QGIS API Documentation 3.41.0-Master (fda2aa46e9a)
Loading...
Searching...
No Matches
qgsarcgisrestutils.cpp
Go to the documentation of this file.
1/***************************************************************************
2 qgsarcgisrestutils.cpp
3 ----------------------
4 begin : Nov 25, 2015
5 copyright : (C) 2015 by Sandro Mani
6 email : [email protected]
7***************************************************************************
8* *
9* This program is free software; you can redistribute it and/or modify *
10* it under the terms of the GNU General Public License as published by *
11* the Free Software Foundation; either version 2 of the License, or *
12* (at your option) any later version. *
13* *
14***************************************************************************/
15
16#include "qgsarcgisrestutils.h"
17#include "moc_qgsarcgisrestutils.cpp"
18#include "qgsfields.h"
19#include "qgslogger.h"
20#include "qgspropertytransformer.h"
21#include "qgsrectangle.h"
22#include "qgspallabeling.h"
23#include "qgssymbol.h"
24#include "qgssymbollayer.h"
25#include "qgslinesymbollayer.h"
26#include "qgsfillsymbollayer.h"
27#include "qgsrenderer.h"
28#include "qgsrulebasedlabeling.h"
29#include "qgssinglesymbolrenderer.h"
30#include "qgscategorizedsymbolrenderer.h"
31#include "qgsvectorlayerlabeling.h"
32#include "qgscircularstring.h"
33#include "qgsmulticurve.h"
34#include "qgspolygon.h"
35#include "qgslinestring.h"
36#include "qgscurve.h"
37#include "qgsgeometryengine.h"
38#include "qgsmultisurface.h"
39#include "qgsmultilinestring.h"
40#include "qgsmultipolygon.h"
41#include "qgsmultipoint.h"
42#include "qgsmarkersymbol.h"
43#include "qgslinesymbol.h"
44#include "qgsfillsymbol.h"
45#include "qgsvariantutils.h"
46#include "qgsmarkersymbollayer.h"
47#include "qgscolorrampimpl.h"
48
49#include <QRegularExpression>
50#include <QUrl>
51#include "qgsclassificationcustom.h"
52#include "qgsclassificationequalinterval.h"
53#include "qgsclassificationfixedinterval.h"
54#include "qgsclassificationjenks.h"
55#include "qgsclassificationquantile.h"
56#include "qgsclassificationstandarddeviation.h"
57#include "qgsgraduatedsymbolrenderer.h"
58
59QMetaType::Type QgsArcGisRestUtils::convertFieldType( const QString &esriFieldType )
60{
61 if ( esriFieldType == QLatin1String( "esriFieldTypeInteger" ) )
62 return QMetaType::Type::LongLong;
63 if ( esriFieldType == QLatin1String( "esriFieldTypeSmallInteger" ) )
64 return QMetaType::Type::Int;
65 if ( esriFieldType == QLatin1String( "esriFieldTypeDouble" ) )
66 return QMetaType::Type::Double;
67 if ( esriFieldType == QLatin1String( "esriFieldTypeSingle" ) )
68 return QMetaType::Type::Double;
69 if ( esriFieldType == QLatin1String( "esriFieldTypeString" ) )
70 return QMetaType::Type::QString;
71 if ( esriFieldType == QLatin1String( "esriFieldTypeDate" ) )
72 return QMetaType::Type::QDateTime;
73 if ( esriFieldType == QLatin1String( "esriFieldTypeGeometry" ) )
74 return QMetaType::Type::UnknownType; // Geometry column should not appear as field
75 if ( esriFieldType == QLatin1String( "esriFieldTypeOID" ) )
76 return QMetaType::Type::LongLong;
77 if ( esriFieldType == QLatin1String( "esriFieldTypeBlob" ) )
78 return QMetaType::Type::QByteArray;
79 if ( esriFieldType == QLatin1String( "esriFieldTypeGlobalID" ) )
80 return QMetaType::Type::QString;
81 if ( esriFieldType == QLatin1String( "esriFieldTypeRaster" ) )
82 return QMetaType::Type::QByteArray;
83 if ( esriFieldType == QLatin1String( "esriFieldTypeGUID" ) )
84 return QMetaType::Type::QString;
85 if ( esriFieldType == QLatin1String( "esriFieldTypeXML" ) )
86 return QMetaType::Type::QString;
87 return QMetaType::Type::UnknownType;
88}
89
90Qgis::WkbType QgsArcGisRestUtils::convertGeometryType( const QString &esriGeometryType )
91{
92 // http://resources.arcgis.com/en/help/arcobjects-cpp/componenthelp/index.html#//000w0000001p000000
93 if ( esriGeometryType == QLatin1String( "esriGeometryNull" ) )
94 return Qgis::WkbType::Unknown;
95 else if ( esriGeometryType == QLatin1String( "esriGeometryPoint" ) )
96 return Qgis::WkbType::Point;
97 else if ( esriGeometryType == QLatin1String( "esriGeometryMultipoint" ) )
98 return Qgis::WkbType::MultiPoint;
99 else if ( esriGeometryType == QLatin1String( "esriGeometryPolyline" ) )
100 return Qgis::WkbType::MultiCurve;
101 else if ( esriGeometryType == QLatin1String( "esriGeometryPolygon" ) )
102 return Qgis::WkbType::MultiPolygon;
103 else if ( esriGeometryType == QLatin1String( "esriGeometryEnvelope" ) )
104 return Qgis::WkbType::Polygon;
105 // Unsupported (either by qgis, or format unspecified by the specification)
106 // esriGeometryCircularArc
107 // esriGeometryEllipticArc
108 // esriGeometryBezier3Curve
109 // esriGeometryPath
110 // esriGeometryRing
111 // esriGeometryLine
112 // esriGeometryAny
113 // esriGeometryMultiPatch
114 // esriGeometryTriangleStrip
115 // esriGeometryTriangleFan
116 // esriGeometryRay
117 // esriGeometrySphere
118 // esriGeometryTriangles
119 // esriGeometryBag
120 return Qgis::WkbType::Unknown;
121}
122
123std::unique_ptr< QgsPoint > QgsArcGisRestUtils::convertPoint( const QVariantList &coordList, Qgis::WkbType pointType )
124{
125 int nCoords = coordList.size();
126 if ( nCoords < 2 )
127 return nullptr;
128 bool xok = false, yok = false;
129 const double x = coordList[0].toDouble( &xok );
130 const double y = coordList[1].toDouble( &yok );
131 if ( !xok || !yok )
132 return nullptr;
133 const bool hasZ = QgsWkbTypes::hasZ( pointType );
134 const double z = hasZ && nCoords >= 3 ? coordList[2].toDouble() : std::numeric_limits< double >::quiet_NaN();
135
136 // if point has just M but not Z, then the point dimension list will only have X, Y, M, otherwise it will have X, Y, Z, M
137 const double m = QgsWkbTypes::hasM( pointType ) && ( ( hasZ && nCoords >= 4 ) || ( !hasZ && nCoords >= 3 ) ) ? coordList[ hasZ ? 3 : 2].toDouble() : std::numeric_limits< double >::quiet_NaN();
138 return std::make_unique< QgsPoint >( pointType, x, y, z, m );
139}
140
141std::unique_ptr< QgsCircularString > QgsArcGisRestUtils::convertCircularString( const QVariantMap &curveData, Qgis::WkbType pointType, const QgsPoint &startPoint )
142{
143 const QVariantList coordsList = curveData[QStringLiteral( "c" )].toList();
144 if ( coordsList.isEmpty() )
145 return nullptr;
146 const int coordsListSize = coordsList.size();
147
148 QVector<QgsPoint> points;
149 points.reserve( coordsListSize + 1 );
150 points.append( startPoint );
151
152 for ( int i = 0; i < coordsListSize - 1; )
153 {
154 // first point is end point, second is point on curve
155 // i.e. the opposite to what QGIS requires!
156 std::unique_ptr< QgsPoint > endPoint( convertPoint( coordsList.at( i ).toList(), pointType ) );
157 if ( !endPoint )
158 return nullptr;
159 i++;
160 std::unique_ptr< QgsPoint > interiorPoint( convertPoint( coordsList.at( i ).toList(), pointType ) );
161 if ( !interiorPoint )
162 return nullptr;
163 i++;
164 points << *interiorPoint;
165 points << *endPoint;
166 }
167 std::unique_ptr< QgsCircularString > curve = std::make_unique< QgsCircularString> ();
168 curve->setPoints( points );
169 return curve;
170}
171
172std::unique_ptr< QgsCompoundCurve > QgsArcGisRestUtils::convertCompoundCurve( const QVariantList &curvesList, Qgis::WkbType pointType )
173{
174 // [[6,3],[5,3],{"b":[[3,2],[6,1],[2,4]]},[1,2],{"c": [[3,3],[1,4]]}]
175 std::unique_ptr< QgsCompoundCurve > compoundCurve = std::make_unique< QgsCompoundCurve >();
176
177 QVector< double > lineX;
178 QVector< double > lineY;
179 QVector< double > lineZ;
180 QVector< double > lineM;
181 int maxCurveListSize = curvesList.size();
182 lineX.resize( maxCurveListSize );
183 lineY.resize( maxCurveListSize );
184
185 const bool hasZ = QgsWkbTypes::hasZ( pointType );
186 if ( hasZ )
187 lineZ.resize( maxCurveListSize );
188 const bool hasM = QgsWkbTypes::hasM( pointType );
189 if ( hasM )
190 lineM.resize( maxCurveListSize );
191
192 double *outLineX = lineX.data();
193 double *outLineY = lineY.data();
194 double *outLineZ = lineZ.data();
195 double *outLineM = lineM.data();
196 int actualLineSize = 0;
197
198 bool xok = false;
199 bool yok = false;
200
201 int curveListIndex = 0;
202 for ( const QVariant &curveData : curvesList )
203 {
204 if ( curveData.userType() == QMetaType::Type::QVariantList )
205 {
206 const QVariantList coordList = curveData.toList();
207 const int nCoords = coordList.size();
208 if ( nCoords < 2 )
209 return nullptr;
210
211 const double x = coordList[0].toDouble( &xok );
212 const double y = coordList[1].toDouble( &yok );
213 if ( !xok || !yok )
214 return nullptr;
215
216 actualLineSize++;
217 *outLineX++ = x;
218 *outLineY++ = y;
219 if ( hasZ )
220 {
221 *outLineZ++ = nCoords >= 3 ? coordList[2].toDouble() : std::numeric_limits< double >::quiet_NaN();
222 }
223
224 if ( hasM )
225 {
226 // if point has just M but not Z, then the point dimension list will only have X, Y, M, otherwise it will have X, Y, Z, M
227 *outLineM++ = ( ( hasZ && nCoords >= 4 ) || ( !hasZ && nCoords >= 3 ) ) ? coordList[ hasZ ? 3 : 2].toDouble() : std::numeric_limits< double >::quiet_NaN();
228 }
229 }
230 else if ( curveData.userType() == QMetaType::Type::QVariantMap )
231 {
232 // The last point of the linestring is the start point of this circular string
233 QgsPoint lastLineStringPoint;
234 if ( actualLineSize > 0 )
235 {
236 lastLineStringPoint = QgsPoint( lineX.at( actualLineSize - 1 ),
237 lineY.at( actualLineSize - 1 ),
238 hasZ ? lineZ.at( actualLineSize - 1 ) : std::numeric_limits< double >::quiet_NaN(),
239 hasM ? lineM.at( actualLineSize - 1 ) : std::numeric_limits< double >::quiet_NaN() );
240 }
241 std::unique_ptr< QgsCircularString > circularString( convertCircularString( curveData.toMap(), pointType, lastLineStringPoint ) );
242 if ( !circularString )
243 {
244 return nullptr;
245 }
246
247 if ( actualLineSize > 0 )
248 {
249 lineX.resize( actualLineSize );
250 lineY.resize( actualLineSize );
251 if ( hasZ )
252 lineZ.resize( actualLineSize );
253 if ( hasM )
254 lineM.resize( actualLineSize );
255
256 compoundCurve->addCurve( new QgsLineString( lineX, lineY, lineZ, lineM ) );
257 lineX.resize( maxCurveListSize - curveListIndex );
258 lineY.resize( maxCurveListSize - curveListIndex );
259 if ( hasZ )
260 lineZ.resize( maxCurveListSize - curveListIndex );
261 if ( hasM )
262 lineM.resize( maxCurveListSize - curveListIndex );
263 outLineX = lineX.data();
264 outLineY = lineY.data();
265 outLineZ = lineZ.data();
266 outLineM = lineM.data();
267 }
268
269 // If the previous curve had less than two points, remove it
270 if ( compoundCurve->curveAt( compoundCurve->nCurves() - 1 )->nCoordinates() < 2 )
271 compoundCurve->removeCurve( compoundCurve->nCurves() - 1 );
272
273 const QgsPoint endPointCircularString = circularString->endPoint();
274 compoundCurve->addCurve( circularString.release() );
275
276 // Prepare a new line string
277 actualLineSize = 1;
278 *outLineX++ = endPointCircularString.x();
279 *outLineY++ = endPointCircularString.y();
280 if ( hasZ )
281 *outLineZ++ = endPointCircularString.z();
282 if ( hasM )
283 *outLineM++ = endPointCircularString.m();
284 }
285 curveListIndex++;
286 }
287
288 if ( actualLineSize == 1 && compoundCurve->nCurves() > 0 )
289 {
290 const QgsCurve *finalCurve = compoundCurve->curveAt( compoundCurve->nCurves() - 1 );
291 const QgsPoint finalCurveEndPoint = finalCurve->endPoint();
292 if ( qgsDoubleNear( finalCurveEndPoint.x(), lineX.at( 0 ) )
293 && qgsDoubleNear( finalCurveEndPoint.y(), lineY.at( 0 ) )
294 && ( !hasZ || qgsDoubleNear( finalCurveEndPoint.z(), lineZ.at( 0 ) ) )
295 && ( !hasM || qgsDoubleNear( finalCurveEndPoint.m(), lineM.at( 0 ) ) ) )
296 {
297 actualLineSize = 0; // redundant final curve containing a duplicate vertex
298 }
299 }
300
301 if ( actualLineSize > 0 )
302 {
303 lineX.resize( actualLineSize );
304 lineY.resize( actualLineSize );
305 if ( hasZ )
306 lineZ.resize( actualLineSize );
307 if ( hasM )
308 lineM.resize( actualLineSize );
309 compoundCurve->addCurve( new QgsLineString( lineX, lineY, lineZ, lineM ) );
310 }
311
312 return compoundCurve;
313}
314
315std::unique_ptr< QgsPoint > QgsArcGisRestUtils::convertGeometryPoint( const QVariantMap &geometryData, Qgis::WkbType pointType )
316{
317 // {"x" : <x>, "y" : <y>, "z" : <z>, "m" : <m>}
318 bool xok = false, yok = false;
319 double x = geometryData[QStringLiteral( "x" )].toDouble( &xok );
320 double y = geometryData[QStringLiteral( "y" )].toDouble( &yok );
321 if ( !xok || !yok )
322 return nullptr;
323 double z = geometryData[QStringLiteral( "z" )].toDouble();
324 double m = geometryData[QStringLiteral( "m" )].toDouble();
325 return std::make_unique< QgsPoint >( pointType, x, y, z, m );
326}
327
328std::unique_ptr< QgsMultiPoint > QgsArcGisRestUtils::convertMultiPoint( const QVariantMap &geometryData, Qgis::WkbType pointType )
329{
330 // {"points" : [[ <x1>, <y1>, <z1>, <m1> ] , [ <x2>, <y2>, <z2>, <m2> ], ... ]}
331 const QVariantList coordsList = geometryData[QStringLiteral( "points" )].toList();
332
333 std::unique_ptr< QgsMultiPoint > multiPoint = std::make_unique< QgsMultiPoint >();
334 multiPoint->reserve( coordsList.size() );
335 for ( const QVariant &coordData : coordsList )
336 {
337 const QVariantList coordList = coordData.toList();
338 std::unique_ptr< QgsPoint > p = convertPoint( coordList, pointType );
339 if ( !p )
340 {
341 continue;
342 }
343 multiPoint->addGeometry( p.release() );
344 }
345
346 // second chance -- sometimes layers are reported as multipoint but features have single
347 // point geometries. Silently handle this and upgrade to multipoint.
348 std::unique_ptr< QgsPoint > p = convertGeometryPoint( geometryData, pointType );
349 if ( p )
350 multiPoint->addGeometry( p.release() );
351
352 if ( multiPoint->numGeometries() == 0 )
353 {
354 // didn't find any points, so reset geometry to null
355 multiPoint.reset();
356 }
357 return multiPoint;
358}
359
360std::unique_ptr< QgsMultiCurve > QgsArcGisRestUtils::convertGeometryPolyline( const QVariantMap &geometryData, Qgis::WkbType pointType )
361{
362 // {"curvePaths": [[[0,0], {"c": [[3,3],[1,4]]} ]]}
363 QVariantList pathsList;
364 if ( geometryData[QStringLiteral( "paths" )].isValid() )
365 pathsList = geometryData[QStringLiteral( "paths" )].toList();
366 else if ( geometryData[QStringLiteral( "curvePaths" )].isValid() )
367 pathsList = geometryData[QStringLiteral( "curvePaths" )].toList();
368 if ( pathsList.isEmpty() )
369 return nullptr;
370 std::unique_ptr< QgsMultiCurve > multiCurve = std::make_unique< QgsMultiCurve >();
371 multiCurve->reserve( pathsList.size() );
372 for ( const QVariant &pathData : std::as_const( pathsList ) )
373 {
374 std::unique_ptr< QgsCompoundCurve > curve = convertCompoundCurve( pathData.toList(), pointType );
375 if ( !curve )
376 {
377 return nullptr;
378 }
379 multiCurve->addGeometry( curve.release() );
380 }
381 return multiCurve;
382}
383
384std::unique_ptr< QgsMultiSurface > QgsArcGisRestUtils::convertGeometryPolygon( const QVariantMap &geometryData, Qgis::WkbType pointType )
385{
386 // {"curveRings": [[[0,0], {"c": [[3,3],[1,4]]} ]]}
387 QVariantList ringsList;
388 if ( geometryData[QStringLiteral( "rings" )].isValid() )
389 ringsList = geometryData[QStringLiteral( "rings" )].toList();
390 else if ( geometryData[QStringLiteral( "ringPaths" )].isValid() )
391 ringsList = geometryData[QStringLiteral( "ringPaths" )].toList();
392 if ( ringsList.isEmpty() )
393 return nullptr;
394
395 QList< QgsCompoundCurve * > curves;
396 for ( int i = 0, n = ringsList.size(); i < n; ++i )
397 {
398 std::unique_ptr< QgsCompoundCurve > curve = convertCompoundCurve( ringsList[i].toList(), pointType );
399 if ( !curve )
400 {
401 continue;
402 }
403 curves.append( curve.release() );
404 }
405 if ( curves.count() == 0 )
406 return nullptr;
407
408 std::unique_ptr< QgsMultiSurface > result = std::make_unique< QgsMultiSurface >();
409 if ( curves.count() == 1 )
410 {
411 // shortcut for exterior ring only
412 std::unique_ptr< QgsCurvePolygon > newPolygon = std::make_unique< QgsCurvePolygon >();
413 newPolygon->setExteriorRing( curves.takeAt( 0 ) );
414 result->addGeometry( newPolygon.release() );
415 return result;
416 }
417
418 std::sort( curves.begin(), curves.end(), []( const QgsCompoundCurve * a, const QgsCompoundCurve * b )->bool{ double a_area = 0.0; double b_area = 0.0; a->sumUpArea( a_area ); b->sumUpArea( b_area ); return std::abs( a_area ) > std::abs( b_area ); } );
419 result->reserve( curves.size() );
420 while ( !curves.isEmpty() )
421 {
422 QgsCompoundCurve *exterior = curves.takeFirst();
423 QgsCurvePolygon *newPolygon = new QgsCurvePolygon();
424 newPolygon->setExteriorRing( exterior );
425 std::unique_ptr<QgsGeometryEngine> engine( QgsGeometry::createGeometryEngine( newPolygon ) );
426 engine->prepareGeometry();
427
428 QMutableListIterator< QgsCompoundCurve * > it( curves );
429 while ( it.hasNext() )
430 {
431 QgsCompoundCurve *curve = it.next();
432 QgsRectangle boundingBox = newPolygon->boundingBox();
433 if ( boundingBox.intersects( curve->boundingBox() ) )
434 {
435 QgsPoint point = curve->startPoint();
436 if ( engine->contains( &point ) )
437 {
438 newPolygon->addInteriorRing( curve );
439 it.remove();
440 engine.reset( QgsGeometry::createGeometryEngine( newPolygon ) );
441 engine->prepareGeometry();
442 }
443 }
444 }
445 result->addGeometry( newPolygon );
446 }
447 if ( result->numGeometries() == 0 )
448 return nullptr;
449
450 return result;
451}
452
453std::unique_ptr< QgsPolygon > QgsArcGisRestUtils::convertEnvelope( const QVariantMap &geometryData )
454{
455 // {"xmin" : -109.55, "ymin" : 25.76, "xmax" : -86.39, "ymax" : 49.94}
456 bool xminOk = false, yminOk = false, xmaxOk = false, ymaxOk = false;
457 double xmin = geometryData[QStringLiteral( "xmin" )].toDouble( &xminOk );
458 double ymin = geometryData[QStringLiteral( "ymin" )].toDouble( &yminOk );
459 double xmax = geometryData[QStringLiteral( "xmax" )].toDouble( &xmaxOk );
460 double ymax = geometryData[QStringLiteral( "ymax" )].toDouble( &ymaxOk );
461 if ( !xminOk || !yminOk || !xmaxOk || !ymaxOk )
462 return nullptr;
463 std::unique_ptr< QgsLineString > ext = std::make_unique< QgsLineString> ();
464 ext->addVertex( QgsPoint( xmin, ymin ) );
465 ext->addVertex( QgsPoint( xmax, ymin ) );
466 ext->addVertex( QgsPoint( xmax, ymax ) );
467 ext->addVertex( QgsPoint( xmin, ymax ) );
468 ext->addVertex( QgsPoint( xmin, ymin ) );
469 std::unique_ptr< QgsPolygon > poly = std::make_unique< QgsPolygon >();
470 poly->setExteriorRing( ext.release() );
471 return poly;
472}
473
474QgsAbstractGeometry *QgsArcGisRestUtils::convertGeometry( const QVariantMap &geometryData, const QString &esriGeometryType, bool readM, bool readZ, QgsCoordinateReferenceSystem *crs )
475{
476 Qgis::WkbType pointType = QgsWkbTypes::zmType( Qgis::WkbType::Point, readZ, readM );
477 if ( crs )
478 {
479 *crs = convertSpatialReference( geometryData[QStringLiteral( "spatialReference" )].toMap() );
480 }
481
482 // http://resources.arcgis.com/en/help/arcgis-rest-api/index.html#/Geometry_Objects/02r3000000n1000000/
483 if ( esriGeometryType == QLatin1String( "esriGeometryNull" ) )
484 return nullptr;
485 else if ( esriGeometryType == QLatin1String( "esriGeometryPoint" ) )
486 return convertGeometryPoint( geometryData, pointType ).release();
487 else if ( esriGeometryType == QLatin1String( "esriGeometryMultipoint" ) )
488 return convertMultiPoint( geometryData, pointType ).release();
489 else if ( esriGeometryType == QLatin1String( "esriGeometryPolyline" ) )
490 return convertGeometryPolyline( geometryData, pointType ).release();
491 else if ( esriGeometryType == QLatin1String( "esriGeometryPolygon" ) )
492 return convertGeometryPolygon( geometryData, pointType ).release();
493 else if ( esriGeometryType == QLatin1String( "esriGeometryEnvelope" ) )
494 return convertEnvelope( geometryData ).release();
495 // Unsupported (either by qgis, or format unspecified by the specification)
496 // esriGeometryCircularArc
497 // esriGeometryEllipticArc
498 // esriGeometryBezier3Curve
499 // esriGeometryPath
500 // esriGeometryRing
501 // esriGeometryLine
502 // esriGeometryAny
503 // esriGeometryMultiPatch
504 // esriGeometryTriangleStrip
505 // esriGeometryTriangleFan
506 // esriGeometryRay
507 // esriGeometrySphere
508 // esriGeometryTriangles
509 // esriGeometryBag
510 return nullptr;
511}
512
513QgsCoordinateReferenceSystem QgsArcGisRestUtils::convertSpatialReference( const QVariantMap &spatialReferenceMap )
514{
515 QgsCoordinateReferenceSystem crs;
516
517 QString spatialReference = spatialReferenceMap[QStringLiteral( "latestWkid" )].toString();
518 if ( spatialReference.isEmpty() )
519 spatialReference = spatialReferenceMap[QStringLiteral( "wkid" )].toString();
520
521 // prefer using authority/id wherever we can
522 if ( !spatialReference.isEmpty() )
523 {
524 crs.createFromString( QStringLiteral( "EPSG:%1" ).arg( spatialReference ) );
525 if ( !crs.isValid() )
526 {
527 // Try as an ESRI auth
528 crs.createFromString( QStringLiteral( "ESRI:%1" ).arg( spatialReference ) );
529 }
530 }
531 else if ( !spatialReferenceMap[QStringLiteral( "wkt" )].toString().isEmpty() )
532 {
533 // otherwise fallback to WKT
534 crs.createFromWkt( spatialReferenceMap[QStringLiteral( "wkt" )].toString() );
535 }
536
537 if ( !crs.isValid() )
538 {
539 // If no spatial reference, just use WGS84
540 // TODO -- this needs further investigation! Most ESRI server services default to 3857, so that would likely be
541 // a safer fallback to use...
542 crs.createFromString( QStringLiteral( "EPSG:4326" ) );
543 }
544 return crs;
545}
546
547QgsSymbol *QgsArcGisRestUtils::convertSymbol( const QVariantMap &symbolData )
548{
549 const QString type = symbolData.value( QStringLiteral( "type" ) ).toString();
550 if ( type == QLatin1String( "esriSMS" ) )
551 {
552 // marker symbol
553 return parseEsriMarkerSymbolJson( symbolData ).release();
554 }
555 else if ( type == QLatin1String( "esriSLS" ) )
556 {
557 // line symbol
558 return parseEsriLineSymbolJson( symbolData ).release();
559 }
560 else if ( type == QLatin1String( "esriSFS" ) )
561 {
562 // fill symbol
563 return parseEsriFillSymbolJson( symbolData ).release();
564 }
565 else if ( type == QLatin1String( "esriPFS" ) )
566 {
567 return parseEsriPictureFillSymbolJson( symbolData ).release();
568 }
569 else if ( type == QLatin1String( "esriPMS" ) )
570 {
571 // picture marker
572 return parseEsriPictureMarkerSymbolJson( symbolData ).release();
573 }
574 else if ( type == QLatin1String( "esriTS" ) )
575 {
576 return parseEsriTextMarkerSymbolJson( symbolData ).release();
577 }
578 return nullptr;
579}
580
581std::unique_ptr<QgsLineSymbol> QgsArcGisRestUtils::parseEsriLineSymbolJson( const QVariantMap &symbolData )
582{
583 QColor lineColor = convertColor( symbolData.value( QStringLiteral( "color" ) ) );
584 if ( !lineColor.isValid() )
585 return nullptr;
586
587 bool ok = false;
588 double widthInPoints = symbolData.value( QStringLiteral( "width" ) ).toDouble( &ok );
589 if ( !ok )
590 return nullptr;
591
592 QgsSymbolLayerList layers;
593 Qt::PenStyle penStyle = convertLineStyle( symbolData.value( QStringLiteral( "style" ) ).toString() );
594 std::unique_ptr< QgsSimpleLineSymbolLayer > lineLayer = std::make_unique< QgsSimpleLineSymbolLayer >( lineColor, widthInPoints, penStyle );
595 lineLayer->setWidthUnit( Qgis::RenderUnit::Points );
596 layers.append( lineLayer.release() );
597
598 std::unique_ptr< QgsLineSymbol > symbol = std::make_unique< QgsLineSymbol >( layers );
599 return symbol;
600}
601
602std::unique_ptr<QgsFillSymbol> QgsArcGisRestUtils::parseEsriFillSymbolJson( const QVariantMap &symbolData )
603{
604 QColor fillColor = convertColor( symbolData.value( QStringLiteral( "color" ) ) );
605 Qt::BrushStyle brushStyle = convertFillStyle( symbolData.value( QStringLiteral( "style" ) ).toString() );
606
607 const QVariantMap outlineData = symbolData.value( QStringLiteral( "outline" ) ).toMap();
608 QColor lineColor = convertColor( outlineData.value( QStringLiteral( "color" ) ) );
609 Qt::PenStyle penStyle = convertLineStyle( outlineData.value( QStringLiteral( "style" ) ).toString() );
610 bool ok = false;
611 double penWidthInPoints = outlineData.value( QStringLiteral( "width" ) ).toDouble( &ok );
612
613 QgsSymbolLayerList layers;
614 std::unique_ptr< QgsSimpleFillSymbolLayer > fillLayer = std::make_unique< QgsSimpleFillSymbolLayer >( fillColor, brushStyle, lineColor, penStyle, penWidthInPoints );
615 fillLayer->setStrokeWidthUnit( Qgis::RenderUnit::Points );
616 layers.append( fillLayer.release() );
617
618 std::unique_ptr< QgsFillSymbol > symbol = std::make_unique< QgsFillSymbol >( layers );
619 return symbol;
620}
621
622std::unique_ptr<QgsFillSymbol> QgsArcGisRestUtils::parseEsriPictureFillSymbolJson( const QVariantMap &symbolData )
623{
624 bool ok = false;
625
626 double widthInPixels = symbolData.value( QStringLiteral( "width" ) ).toInt( &ok );
627 if ( !ok )
628 return nullptr;
629
630 const double xScale = symbolData.value( QStringLiteral( "xscale" ) ).toDouble( &ok );
631 if ( !qgsDoubleNear( xScale, 0.0 ) )
632 widthInPixels *= xScale;
633
634 const double angleCCW = symbolData.value( QStringLiteral( "angle" ) ).toDouble( &ok );
635 double angleCW = 0;
636 if ( ok )
637 angleCW = -angleCCW;
638
639 const double xOffset = symbolData.value( QStringLiteral( "xoffset" ) ).toDouble();
640 const double yOffset = symbolData.value( QStringLiteral( "yoffset" ) ).toDouble();
641
642 QString symbolPath( symbolData.value( QStringLiteral( "imageData" ) ).toString() );
643 symbolPath.prepend( QLatin1String( "base64:" ) );
644
645 QgsSymbolLayerList layers;
646 std::unique_ptr< QgsRasterFillSymbolLayer > fillLayer = std::make_unique< QgsRasterFillSymbolLayer >( symbolPath );
647 fillLayer->setWidth( widthInPixels );
648 fillLayer->setAngle( angleCW );
649 fillLayer->setSizeUnit( Qgis::RenderUnit::Points );
650 fillLayer->setOffset( QPointF( xOffset, yOffset ) );
651 fillLayer->setOffsetUnit( Qgis::RenderUnit::Points );
652 layers.append( fillLayer.release() );
653
654 const QVariantMap outlineData = symbolData.value( QStringLiteral( "outline" ) ).toMap();
655 QColor lineColor = convertColor( outlineData.value( QStringLiteral( "color" ) ) );
656 Qt::PenStyle penStyle = convertLineStyle( outlineData.value( QStringLiteral( "style" ) ).toString() );
657 double penWidthInPoints = outlineData.value( QStringLiteral( "width" ) ).toDouble( &ok );
658
659 std::unique_ptr< QgsSimpleLineSymbolLayer > lineLayer = std::make_unique< QgsSimpleLineSymbolLayer >( lineColor, penWidthInPoints, penStyle );
660 lineLayer->setWidthUnit( Qgis::RenderUnit::Points );
661 layers.append( lineLayer.release() );
662
663 std::unique_ptr< QgsFillSymbol > symbol = std::make_unique< QgsFillSymbol >( layers );
664 return symbol;
665}
666
667Qgis::MarkerShape QgsArcGisRestUtils::parseEsriMarkerShape( const QString &style )
668{
669 if ( style == QLatin1String( "esriSMSCircle" ) )
670 return Qgis::MarkerShape::Circle;
671 else if ( style == QLatin1String( "esriSMSCross" ) )
672 return Qgis::MarkerShape::Cross;
673 else if ( style == QLatin1String( "esriSMSDiamond" ) )
674 return Qgis::MarkerShape::Diamond;
675 else if ( style == QLatin1String( "esriSMSSquare" ) )
676 return Qgis::MarkerShape::Square;
677 else if ( style == QLatin1String( "esriSMSX" ) )
678 return Qgis::MarkerShape::Cross2;
679 else if ( style == QLatin1String( "esriSMSTriangle" ) )
680 return Qgis::MarkerShape::Triangle;
681 else
682 return Qgis::MarkerShape::Circle;
683}
684
685std::unique_ptr<QgsMarkerSymbol> QgsArcGisRestUtils::parseEsriMarkerSymbolJson( const QVariantMap &symbolData )
686{
687 QColor fillColor = convertColor( symbolData.value( QStringLiteral( "color" ) ) );
688 bool ok = false;
689 const double sizeInPoints = symbolData.value( QStringLiteral( "size" ) ).toDouble( &ok );
690 if ( !ok )
691 return nullptr;
692 const double angleCCW = symbolData.value( QStringLiteral( "angle" ) ).toDouble( &ok );
693 double angleCW = 0;
694 if ( ok )
695 angleCW = -angleCCW;
696
697 Qgis::MarkerShape shape = parseEsriMarkerShape( symbolData.value( QStringLiteral( "style" ) ).toString() );
698
699 const double xOffset = symbolData.value( QStringLiteral( "xoffset" ) ).toDouble();
700 const double yOffset = symbolData.value( QStringLiteral( "yoffset" ) ).toDouble();
701
702 const QVariantMap outlineData = symbolData.value( QStringLiteral( "outline" ) ).toMap();
703 QColor lineColor = convertColor( outlineData.value( QStringLiteral( "color" ) ) );
704 Qt::PenStyle penStyle = convertLineStyle( outlineData.value( QStringLiteral( "style" ) ).toString() );
705 double penWidthInPoints = outlineData.value( QStringLiteral( "width" ) ).toDouble( &ok );
706
707 QgsSymbolLayerList layers;
708 std::unique_ptr< QgsSimpleMarkerSymbolLayer > markerLayer = std::make_unique< QgsSimpleMarkerSymbolLayer >( shape, sizeInPoints, angleCW, Qgis::ScaleMethod::ScaleArea, fillColor, lineColor );
709 markerLayer->setSizeUnit( Qgis::RenderUnit::Points );
710 markerLayer->setStrokeWidthUnit( Qgis::RenderUnit::Points );
711 markerLayer->setStrokeStyle( penStyle );
712 markerLayer->setStrokeWidth( penWidthInPoints );
713 markerLayer->setOffset( QPointF( xOffset, yOffset ) );
714 markerLayer->setOffsetUnit( Qgis::RenderUnit::Points );
715 layers.append( markerLayer.release() );
716
717 std::unique_ptr< QgsMarkerSymbol > symbol = std::make_unique< QgsMarkerSymbol >( layers );
718 return symbol;
719}
720
721std::unique_ptr<QgsMarkerSymbol> QgsArcGisRestUtils::parseEsriPictureMarkerSymbolJson( const QVariantMap &symbolData )
722{
723 bool ok = false;
724 const double widthInPixels = symbolData.value( QStringLiteral( "width" ) ).toInt( &ok );
725 if ( !ok )
726 return nullptr;
727 const double heightInPixels = symbolData.value( QStringLiteral( "height" ) ).toInt( &ok );
728 if ( !ok )
729 return nullptr;
730
731 const double angleCCW = symbolData.value( QStringLiteral( "angle" ) ).toDouble( &ok );
732 double angleCW = 0;
733 if ( ok )
734 angleCW = -angleCCW;
735
736 const double xOffset = symbolData.value( QStringLiteral( "xoffset" ) ).toDouble();
737 const double yOffset = symbolData.value( QStringLiteral( "yoffset" ) ).toDouble();
738
739 //const QString contentType = symbolData.value( QStringLiteral( "contentType" ) ).toString();
740
741 QString symbolPath( symbolData.value( QStringLiteral( "imageData" ) ).toString() );
742 symbolPath.prepend( QLatin1String( "base64:" ) );
743
744 QgsSymbolLayerList layers;
745 std::unique_ptr< QgsRasterMarkerSymbolLayer > markerLayer = std::make_unique< QgsRasterMarkerSymbolLayer >( symbolPath, widthInPixels, angleCW, Qgis::ScaleMethod::ScaleArea );
746 markerLayer->setSizeUnit( Qgis::RenderUnit::Points );
747
748 // only change the default aspect ratio if the server height setting requires this
749 if ( !qgsDoubleNear( static_cast< double >( heightInPixels ) / widthInPixels, markerLayer->defaultAspectRatio() ) )
750 markerLayer->setFixedAspectRatio( static_cast< double >( heightInPixels ) / widthInPixels );
751
752 markerLayer->setOffset( QPointF( xOffset, yOffset ) );
753 markerLayer->setOffsetUnit( Qgis::RenderUnit::Points );
754 layers.append( markerLayer.release() );
755
756 std::unique_ptr< QgsMarkerSymbol > symbol = std::make_unique< QgsMarkerSymbol >( layers );
757 return symbol;
758}
759
760std::unique_ptr<QgsMarkerSymbol> QgsArcGisRestUtils::parseEsriTextMarkerSymbolJson( const QVariantMap &symbolData )
761{
762 QgsSymbolLayerList layers;
763
764 const QString fontFamily = symbolData.value( QStringLiteral( "font" ) ).toMap().value( QStringLiteral( "family" ) ).toString();
765
766 const QString chr = symbolData.value( QStringLiteral( "text" ) ).toString();
767
768 const double pointSize = symbolData.value( QStringLiteral( "font" ) ).toMap().value( QStringLiteral( "size" ) ).toDouble();
769
770 const QColor color = convertColor( symbolData.value( QStringLiteral( "color" ) ) );
771
772 const double esriAngle = symbolData.value( QStringLiteral( "angle" ) ).toDouble();
773
774 const double angle = 90.0 - esriAngle;
775
776 std::unique_ptr< QgsFontMarkerSymbolLayer > markerLayer = std::make_unique< QgsFontMarkerSymbolLayer >( fontFamily, chr, pointSize, color, angle );
777
778 QColor strokeColor = convertColor( symbolData.value( QStringLiteral( "borderLineColor" ) ) );
779 markerLayer->setStrokeColor( strokeColor );
780
781 double borderLineSize = symbolData.value( QStringLiteral( "borderLineSize" ) ).toDouble();
782 markerLayer->setStrokeWidth( borderLineSize );
783
784 const QString fontStyle = symbolData.value( QStringLiteral( "font" ) ).toMap().value( QStringLiteral( "style" ) ).toString();
785 markerLayer->setFontStyle( fontStyle );
786
787 double xOffset = symbolData.value( QStringLiteral( "xoffset" ) ).toDouble();
788 double yOffset = symbolData.value( QStringLiteral( "yoffset" ) ).toDouble();
789
790 markerLayer->setOffset( QPointF( xOffset, yOffset ) );
791 markerLayer->setOffsetUnit( Qgis::RenderUnit::Points );
792
793 markerLayer->setSizeUnit( Qgis::RenderUnit::Points );
794 markerLayer->setStrokeWidthUnit( Qgis::RenderUnit::Points );
795
796 QgsMarkerSymbolLayer::HorizontalAnchorPoint hAlign = QgsMarkerSymbolLayer::HorizontalAnchorPoint::HCenter;
797 QgsMarkerSymbolLayer::VerticalAnchorPoint vAlign = QgsMarkerSymbolLayer::VerticalAnchorPoint::VCenter;
798
799 QString horizontalAnchorPoint = symbolData.value( QStringLiteral( "horizontalAlignment" ) ).toString();
800 QString verticalAnchorPoint = symbolData.value( QStringLiteral( "verticalAlignment" ) ).toString();
801
802 if ( horizontalAnchorPoint == QString( "center" ) )
803 {
804 hAlign = QgsMarkerSymbolLayer::HorizontalAnchorPoint::HCenter;
805 }
806 else if ( horizontalAnchorPoint == QString( "left" ) )
807 {
808 hAlign = QgsMarkerSymbolLayer::HorizontalAnchorPoint::Left;
809 }
810 else if ( horizontalAnchorPoint == QString( "right" ) )
811 {
812 hAlign = QgsMarkerSymbolLayer::HorizontalAnchorPoint::Right;
813 }
814
815 if ( verticalAnchorPoint == QString( "center" ) )
816 {
817 vAlign = QgsMarkerSymbolLayer::VerticalAnchorPoint::VCenter;
818 }
819 else if ( verticalAnchorPoint == QString( "top" ) )
820 {
821 vAlign = QgsMarkerSymbolLayer::VerticalAnchorPoint::Top;
822 }
823 else if ( verticalAnchorPoint == QString( "bottom" ) )
824 {
825 vAlign = QgsMarkerSymbolLayer::VerticalAnchorPoint::Bottom;
826 }
827
828 markerLayer->setHorizontalAnchorPoint( hAlign );
829 markerLayer->setVerticalAnchorPoint( vAlign );
830
831 layers.append( markerLayer.release() );
832
833 std::unique_ptr< QgsMarkerSymbol > symbol = std::make_unique< QgsMarkerSymbol >( layers );
834 return symbol;
835}
836
837QgsAbstractVectorLayerLabeling *QgsArcGisRestUtils::convertLabeling( const QVariantList &labelingData )
838{
839 if ( labelingData.empty() )
840 return nullptr;
841
842 QgsRuleBasedLabeling::Rule *root = new QgsRuleBasedLabeling::Rule( new QgsPalLayerSettings(), 0, 0, QString(), QString(), false );
843 root->setActive( true );
844
845 int i = 1;
846 for ( const QVariant &lbl : labelingData )
847 {
848 const QVariantMap labeling = lbl.toMap();
849
850 QgsPalLayerSettings *settings = new QgsPalLayerSettings();
851 QgsTextFormat format;
852
853 const QString placement = labeling.value( QStringLiteral( "labelPlacement" ) ).toString();
854 if ( placement == QLatin1String( "esriServerPointLabelPlacementAboveCenter" ) )
855 {
856 settings->placement = Qgis::LabelPlacement::OverPoint;
857 settings->pointSettings().setQuadrant( Qgis::LabelQuadrantPosition::Above );
858 }
859 else if ( placement == QLatin1String( "esriServerPointLabelPlacementBelowCenter" ) )
860 {
861 settings->placement = Qgis::LabelPlacement::OverPoint;
862 settings->pointSettings().setQuadrant( Qgis::LabelQuadrantPosition::Below );
863 }
864 else if ( placement == QLatin1String( "esriServerPointLabelPlacementCenterCenter" ) )
865 {
866 settings->placement = Qgis::LabelPlacement::OverPoint;
867 settings->pointSettings().setQuadrant( Qgis::LabelQuadrantPosition::Over );
868 }
869 else if ( placement == QLatin1String( "esriServerPointLabelPlacementAboveLeft" ) )
870 {
871 settings->placement = Qgis::LabelPlacement::OverPoint;
872 settings->pointSettings().setQuadrant( Qgis::LabelQuadrantPosition::AboveLeft );
873 }
874 else if ( placement == QLatin1String( "esriServerPointLabelPlacementBelowLeft" ) )
875 {
876 settings->placement = Qgis::LabelPlacement::OverPoint;
877 settings->pointSettings().setQuadrant( Qgis::LabelQuadrantPosition::BelowLeft );
878 }
879 else if ( placement == QLatin1String( "esriServerPointLabelPlacementCenterLeft" ) )
880 {
881 settings->placement = Qgis::LabelPlacement::OverPoint;
882 settings->pointSettings().setQuadrant( Qgis::LabelQuadrantPosition::Left );
883 }
884 else if ( placement == QLatin1String( "esriServerPointLabelPlacementAboveRight" ) )
885 {
886 settings->placement = Qgis::LabelPlacement::OverPoint;
887 settings->pointSettings().setQuadrant( Qgis::LabelQuadrantPosition::AboveRight );
888 }
889 else if ( placement == QLatin1String( "esriServerPointLabelPlacementBelowRight" ) )
890 {
891 settings->placement = Qgis::LabelPlacement::OverPoint;
892 settings->pointSettings().setQuadrant( Qgis::LabelQuadrantPosition::BelowRight );
893 }
894 else if ( placement == QLatin1String( "esriServerPointLabelPlacementCenterRight" ) )
895 {
896 settings->placement = Qgis::LabelPlacement::OverPoint;
897 settings->pointSettings().setQuadrant( Qgis::LabelQuadrantPosition::Right );
898 }
899 else if ( placement == QLatin1String( "esriServerLinePlacementAboveAfter" ) ||
900 placement == QLatin1String( "esriServerLinePlacementAboveStart" ) ||
901 placement == QLatin1String( "esriServerLinePlacementAboveAlong" ) )
902 {
903 settings->placement = Qgis::LabelPlacement::Line;
904 settings->lineSettings().setPlacementFlags( Qgis::LabelLinePlacementFlag::AboveLine | Qgis::LabelLinePlacementFlag::MapOrientation );
905 }
906 else if ( placement == QLatin1String( "esriServerLinePlacementBelowAfter" ) ||
907 placement == QLatin1String( "esriServerLinePlacementBelowStart" ) ||
908 placement == QLatin1String( "esriServerLinePlacementBelowAlong" ) )
909 {
910 settings->placement = Qgis::LabelPlacement::Line;
911 settings->lineSettings().setPlacementFlags( Qgis::LabelLinePlacementFlag::BelowLine | Qgis::LabelLinePlacementFlag::MapOrientation );
912 }
913 else if ( placement == QLatin1String( "esriServerLinePlacementCenterAfter" ) ||
914 placement == QLatin1String( "esriServerLinePlacementCenterStart" ) ||
915 placement == QLatin1String( "esriServerLinePlacementCenterAlong" ) )
916 {
917 settings->placement = Qgis::LabelPlacement::Line;
918 settings->lineSettings().setPlacementFlags( Qgis::LabelLinePlacementFlag::OnLine | Qgis::LabelLinePlacementFlag::MapOrientation );
919 }
920 else if ( placement == QLatin1String( "esriServerPolygonPlacementAlwaysHorizontal" ) )
921 {
922 settings->placement = Qgis::LabelPlacement::Horizontal;
923 }
924
925 const double minScale = labeling.value( QStringLiteral( "minScale" ) ).toDouble();
926 const double maxScale = labeling.value( QStringLiteral( "maxScale" ) ).toDouble();
927
928 QVariantMap symbol = labeling.value( QStringLiteral( "symbol" ) ).toMap();
929 format.setColor( convertColor( symbol.value( QStringLiteral( "color" ) ) ) );
930 const double haloSize = symbol.value( QStringLiteral( "haloSize" ) ).toDouble();
931 if ( !qgsDoubleNear( haloSize, 0.0 ) )
932 {
933 QgsTextBufferSettings buffer;
934 buffer.setEnabled( true );
935 buffer.setSize( haloSize );
936 buffer.setSizeUnit( Qgis::RenderUnit::Points );
937 buffer.setColor( convertColor( symbol.value( QStringLiteral( "haloColor" ) ) ) );
938 format.setBuffer( buffer );
939 }
940
941 const QString fontFamily = symbol.value( QStringLiteral( "font" ) ).toMap().value( QStringLiteral( "family" ) ).toString();
942 const QString fontStyle = symbol.value( QStringLiteral( "font" ) ).toMap().value( QStringLiteral( "style" ) ).toString();
943 const QString fontWeight = symbol.value( QStringLiteral( "font" ) ).toMap().value( QStringLiteral( "weight" ) ).toString();
944 const int fontSize = symbol.value( QStringLiteral( "font" ) ).toMap().value( QStringLiteral( "size" ) ).toInt();
945 QFont font( fontFamily, fontSize );
946 font.setStyleName( fontStyle );
947 font.setWeight( fontWeight == QLatin1String( "bold" ) ? QFont::Bold : QFont::Normal );
948
949 format.setFont( font );
950 format.setSize( fontSize );
951 format.setSizeUnit( Qgis::RenderUnit::Points );
952
953 settings->setFormat( format );
954
955 QString where = labeling.value( QStringLiteral( "where" ) ).toString();
956 QgsExpression exp( where );
957 // If the where clause isn't parsed as valid, don't use its
958 if ( !exp.isValid() )
959 where.clear();
960
961 settings->fieldName = convertLabelingExpression( labeling.value( QStringLiteral( "labelExpression" ) ).toString() );
962 settings->isExpression = true;
963
964 QgsRuleBasedLabeling::Rule *child = new QgsRuleBasedLabeling::Rule( settings, maxScale, minScale, where, QObject::tr( "ASF label %1" ).arg( i++ ), false );
965 child->setActive( true );
966 root->appendChild( child );
967 }
968
969 return new QgsRuleBasedLabeling( root );
970}
971
972QgsFeatureRenderer *QgsArcGisRestUtils::convertRenderer( const QVariantMap &rendererData )
973{
974 const QString type = rendererData.value( QStringLiteral( "type" ) ).toString();
975 if ( type == QLatin1String( "simple" ) )
976 {
977 const QVariantMap symbolProps = rendererData.value( QStringLiteral( "symbol" ) ).toMap();
978 std::unique_ptr< QgsSymbol > symbol( convertSymbol( symbolProps ) );
979 if ( symbol )
980 return new QgsSingleSymbolRenderer( symbol.release() );
981 else
982 return nullptr;
983 }
984 else if ( type == QLatin1String( "uniqueValue" ) )
985 {
986 const QString field1 = rendererData.value( QStringLiteral( "field1" ) ).toString();
987 const QString field2 = rendererData.value( QStringLiteral( "field2" ) ).toString();
988 const QString field3 = rendererData.value( QStringLiteral( "field3" ) ).toString();
989 QString attribute;
990 if ( !field2.isEmpty() || !field3.isEmpty() )
991 {
992 const QString delimiter = rendererData.value( QStringLiteral( "fieldDelimiter" ) ).toString();
993 if ( !field3.isEmpty() )
994 {
995 attribute = QStringLiteral( "concat(\"%1\",'%2',\"%3\",'%4',\"%5\")" ).arg( field1, delimiter, field2, delimiter, field3 );
996 }
997 else
998 {
999 attribute = QStringLiteral( "concat(\"%1\",'%2',\"%3\")" ).arg( field1, delimiter, field2 );
1000 }
1001 }
1002 else
1003 {
1004 attribute = field1;
1005 }
1006
1007 const QVariantList categories = rendererData.value( QStringLiteral( "uniqueValueInfos" ) ).toList();
1008 QgsCategoryList categoryList;
1009 for ( const QVariant &category : categories )
1010 {
1011 const QVariantMap categoryData = category.toMap();
1012 const QString value = categoryData.value( QStringLiteral( "value" ) ).toString();
1013 const QString label = categoryData.value( QStringLiteral( "label" ) ).toString();
1014 std::unique_ptr< QgsSymbol > symbol( QgsArcGisRestUtils::convertSymbol( categoryData.value( QStringLiteral( "symbol" ) ).toMap() ) );
1015 if ( symbol )
1016 {
1017 categoryList.append( QgsRendererCategory( value, symbol.release(), label ) );
1018 }
1019 }
1020
1021 std::unique_ptr< QgsSymbol > defaultSymbol( convertSymbol( rendererData.value( QStringLiteral( "defaultSymbol" ) ).toMap() ) );
1022 if ( defaultSymbol )
1023 {
1024 categoryList.append( QgsRendererCategory( QVariant(), defaultSymbol.release(), rendererData.value( QStringLiteral( "defaultLabel" ) ).toString() ) );
1025 }
1026
1027 if ( categoryList.empty() )
1028 return nullptr;
1029
1030 return new QgsCategorizedSymbolRenderer( attribute, categoryList );
1031 }
1032 else if ( type == QLatin1String( "classBreaks" ) )
1033 {
1034 const QString attrName = rendererData.value( QStringLiteral( "field" ) ).toString();
1035
1036 const QVariantList classBreakInfos = rendererData.value( QStringLiteral( "classBreakInfos" ) ).toList();
1037 const QVariantMap authoringInfo = rendererData.value( QStringLiteral( "authoringInfo" ) ).toMap();
1038 QVariantMap symbolData;
1039
1040 QString esriMode = authoringInfo.value( QStringLiteral( "classificationMethod" ) ).toString();
1041 if ( esriMode.isEmpty() )
1042 {
1043 esriMode = rendererData.value( QStringLiteral( "classificationMethod" ) ).toString();
1044 }
1045
1046 if ( !classBreakInfos.isEmpty() )
1047 {
1048 symbolData = classBreakInfos.at( 0 ).toMap().value( QStringLiteral( "symbol" ) ).toMap();
1049 }
1050 std::unique_ptr< QgsSymbol > symbol( QgsArcGisRestUtils::convertSymbol( symbolData ) );
1051 if ( !symbol )
1052 return nullptr;
1053
1054 const double transparency = rendererData.value( QStringLiteral( "transparency" ) ).toDouble();
1055 const double opacity = ( 100.0 - transparency ) / 100.0;
1056 symbol->setOpacity( opacity );
1057
1058 const QVariantList visualVariablesData = rendererData.value( QStringLiteral( "visualVariables" ) ).toList();
1059
1060 for ( const QVariant &visualVariable : visualVariablesData )
1061 {
1062 const QVariantMap visualVariableData = visualVariable.toMap();
1063 const QString variableType = visualVariableData.value( QStringLiteral( "type" ) ).toString();
1064 if ( variableType == QLatin1String( "sizeInfo" ) )
1065 {
1066 continue;
1067 }
1068 else if ( variableType == QLatin1String( "colorInfo" ) )
1069 {
1070 const QVariantList stops = visualVariableData.value( QStringLiteral( "stops" ) ).toList();
1071 if ( stops.size() < 2 )
1072 continue;
1073
1074 // layer has continuous coloring, so convert to a symbol using color ramp assistant
1075 bool ok = false;
1076 const double minValue = stops.front().toMap().value( QStringLiteral( "value" ) ).toDouble( &ok );
1077 if ( !ok )
1078 continue;
1079 const QColor minColor = convertColor( stops.front().toMap().value( QStringLiteral( "color" ) ) );
1080
1081 const double maxValue = stops.back().toMap().value( QStringLiteral( "value" ) ).toDouble( &ok );
1082 if ( !ok )
1083 continue;
1084 const QColor maxColor = convertColor( stops.back().toMap().value( QStringLiteral( "color" ) ) );
1085
1086 QgsGradientStopsList gradientStops;
1087 for ( int i = 1; i < stops.size() - 1; ++i )
1088 {
1089 const QVariantMap stopData = stops.at( i ).toMap();
1090 const double breakpoint = stopData.value( QStringLiteral( "value" ) ).toDouble();
1091 const double scaledBreakpoint = ( breakpoint - minValue ) / ( maxValue - minValue );
1092 const QColor fillColor = convertColor( stopData.value( QStringLiteral( "color" ) ) );
1093
1094 gradientStops.append( QgsGradientStop( scaledBreakpoint, fillColor ) );
1095 }
1096
1097 std::unique_ptr< QgsGradientColorRamp > colorRamp = std::make_unique< QgsGradientColorRamp >(
1098 minColor, maxColor, false, gradientStops
1099 );
1100
1101 QgsProperty colorProperty = QgsProperty::fromField( attrName );
1102 colorProperty.setTransformer(
1103 new QgsColorRampTransformer( minValue, maxValue, colorRamp.release() )
1104 );
1105 for ( int layer = 0; layer < symbol->symbolLayerCount(); ++layer )
1106 {
1107 symbol->symbolLayer( layer )->setDataDefinedProperty( QgsSymbolLayer::Property::FillColor, colorProperty );
1108 }
1109
1110 std::unique_ptr< QgsSingleSymbolRenderer > singleSymbolRenderer = std::make_unique< QgsSingleSymbolRenderer >( symbol.release() );
1111
1112 return singleSymbolRenderer.release();
1113 }
1114 else
1115 {
1116 QgsDebugError( QStringLiteral( "ESRI visualVariable type %1 is not currently supported" ).arg( variableType ) );
1117 }
1118 }
1119
1120 double lastValue = rendererData.value( QStringLiteral( "minValue" ) ).toDouble();
1121
1122 std::unique_ptr< QgsGraduatedSymbolRenderer > graduatedRenderer = std::make_unique< QgsGraduatedSymbolRenderer >( attrName );
1123
1124 graduatedRenderer->setSourceSymbol( symbol.release() );
1125
1126 if ( esriMode == QLatin1String( "esriClassifyDefinedInterval" ) )
1127 {
1128 QgsClassificationFixedInterval *method = new QgsClassificationFixedInterval();
1129 graduatedRenderer->setClassificationMethod( method );
1130 }
1131 else if ( esriMode == QLatin1String( "esriClassifyEqualInterval" ) )
1132 {
1133 QgsClassificationEqualInterval *method = new QgsClassificationEqualInterval();
1134 graduatedRenderer->setClassificationMethod( method );
1135 }
1136 else if ( esriMode == QLatin1String( "esriClassifyGeometricalInterval" ) )
1137 {
1138 QgsClassificationCustom *method = new QgsClassificationCustom();
1139 graduatedRenderer->setClassificationMethod( method );
1140 }
1141 else if ( esriMode == QLatin1String( "esriClassifyManual" ) )
1142 {
1143 QgsClassificationCustom *method = new QgsClassificationCustom();
1144 graduatedRenderer->setClassificationMethod( method );
1145 }
1146 else if ( esriMode == QLatin1String( "esriClassifyNaturalBreaks" ) )
1147 {
1148 QgsClassificationJenks *method = new QgsClassificationJenks();
1149 graduatedRenderer->setClassificationMethod( method );
1150 }
1151 else if ( esriMode == QLatin1String( "esriClassifyQuantile" ) )
1152 {
1153 QgsClassificationQuantile *method = new QgsClassificationQuantile();
1154 graduatedRenderer->setClassificationMethod( method );
1155 }
1156 else if ( esriMode == QLatin1String( "esriClassifyStandardDeviation" ) )
1157 {
1158 QgsClassificationStandardDeviation *method = new QgsClassificationStandardDeviation();
1159 graduatedRenderer->setClassificationMethod( method );
1160 }
1161 else if ( !esriMode.isEmpty() )
1162 {
1163 QgsDebugError( QStringLiteral( "ESRI classification mode %1 is not currently supported" ).arg( esriMode ) );
1164 }
1165
1166 for ( const QVariant &classBreakInfo : classBreakInfos )
1167 {
1168 const QVariantMap symbolData = classBreakInfo.toMap().value( QStringLiteral( "symbol" ) ).toMap();
1169 std::unique_ptr< QgsSymbol > symbol( QgsArcGisRestUtils::convertSymbol( symbolData ) );
1170 double classMaxValue = classBreakInfo.toMap().value( QStringLiteral( "classMaxValue" ) ).toDouble();
1171 const QString label = classBreakInfo.toMap().value( QStringLiteral( "label" ) ).toString();
1172
1173 QgsRendererRange range;
1174
1175 range.setLowerValue( lastValue );
1176 range.setUpperValue( classMaxValue );
1177 range.setLabel( label );
1178 range.setSymbol( symbol.release() );
1179
1180 lastValue = classMaxValue;
1181 graduatedRenderer->addClass( range );
1182 }
1183
1184 return graduatedRenderer.release();
1185 }
1186 else if ( type == QLatin1String( "heatmap" ) )
1187 {
1188 // currently unsupported
1189 return nullptr;
1190 }
1191 else if ( type == QLatin1String( "vectorField" ) )
1192 {
1193 // currently unsupported
1194 return nullptr;
1195 }
1196 return nullptr;
1197}
1198
1199QString QgsArcGisRestUtils::convertLabelingExpression( const QString &string )
1200{
1201 QString expression = string;
1202
1203 // Replace a few ArcGIS token to QGIS equivalents
1204 const thread_local QRegularExpression rx1 = QRegularExpression( QStringLiteral( "(?=([^\"\\\\]*(\\\\.|\"([^\"\\\\]*\\\\.)*[^\"\\\\]*\"))*[^\"]*$)(\\s|^)CONCAT(\\s|$)" ) );
1205 expression = expression.replace( rx1, QStringLiteral( "\\4||\\5" ) );
1206
1207 const thread_local QRegularExpression rx2 = QRegularExpression( QStringLiteral( "(?=([^\"\\\\]*(\\\\.|\"([^\"\\\\]*\\\\.)*[^\"\\\\]*\"))*[^\"]*$)(\\s|^)NEWLINE(\\s|$)" ) );
1208 expression = expression.replace( rx2, QStringLiteral( "\\4'\\n'\\5" ) );
1209
1210 // ArcGIS's double quotes are single quotes in QGIS
1211 const thread_local QRegularExpression rx3 = QRegularExpression( QStringLiteral( "\"(.*?(?<!\\\\))\"" ) );
1212 expression = expression.replace( rx3, QStringLiteral( "'\\1'" ) );
1213 const thread_local QRegularExpression rx4 = QRegularExpression( QStringLiteral( "\\\\\"" ) );
1214 expression = expression.replace( rx4, QStringLiteral( "\"" ) );
1215
1216 // ArcGIS's square brakets are double quotes in QGIS
1217 const thread_local QRegularExpression rx5 = QRegularExpression( QStringLiteral( "\\[([^]]*)\\]" ) );
1218 expression = expression.replace( rx5, QStringLiteral( "\"\\1\"" ) );
1219
1220 return expression;
1221}
1222
1223QColor QgsArcGisRestUtils::convertColor( const QVariant &colorData )
1224{
1225 const QVariantList colorParts = colorData.toList();
1226 if ( colorParts.count() < 4 )
1227 return QColor();
1228
1229 int red = colorParts.at( 0 ).toInt();
1230 int green = colorParts.at( 1 ).toInt();
1231 int blue = colorParts.at( 2 ).toInt();
1232 int alpha = colorParts.at( 3 ).toInt();
1233 return QColor( red, green, blue, alpha );
1234}
1235
1236Qt::PenStyle QgsArcGisRestUtils::convertLineStyle( const QString &style )
1237{
1238 if ( style == QLatin1String( "esriSLSSolid" ) )
1239 return Qt::SolidLine;
1240 else if ( style == QLatin1String( "esriSLSDash" ) )
1241 return Qt::DashLine;
1242 else if ( style == QLatin1String( "esriSLSDashDot" ) )
1243 return Qt::DashDotLine;
1244 else if ( style == QLatin1String( "esriSLSDashDotDot" ) )
1245 return Qt::DashDotDotLine;
1246 else if ( style == QLatin1String( "esriSLSDot" ) )
1247 return Qt::DotLine;
1248 else if ( style == QLatin1String( "esriSLSNull" ) )
1249 return Qt::NoPen;
1250 else
1251 return Qt::SolidLine;
1252}
1253
1254Qt::BrushStyle QgsArcGisRestUtils::convertFillStyle( const QString &style )
1255{
1256 if ( style == QLatin1String( "esriSFSBackwardDiagonal" ) )
1257 return Qt::BDiagPattern;
1258 else if ( style == QLatin1String( "esriSFSCross" ) )
1259 return Qt::CrossPattern;
1260 else if ( style == QLatin1String( "esriSFSDiagonalCross" ) )
1261 return Qt::DiagCrossPattern;
1262 else if ( style == QLatin1String( "esriSFSForwardDiagonal" ) )
1263 return Qt::FDiagPattern;
1264 else if ( style == QLatin1String( "esriSFSHorizontal" ) )
1265 return Qt::HorPattern;
1266 else if ( style == QLatin1String( "esriSFSNull" ) )
1267 return Qt::NoBrush;
1268 else if ( style == QLatin1String( "esriSFSSolid" ) )
1269 return Qt::SolidPattern;
1270 else if ( style == QLatin1String( "esriSFSVertical" ) )
1271 return Qt::VerPattern;
1272 else
1273 return Qt::SolidPattern;
1274}
1275
1276QDateTime QgsArcGisRestUtils::convertDateTime( const QVariant &value )
1277{
1278 if ( QgsVariantUtils::isNull( value ) )
1279 return QDateTime();
1280 bool ok = false;
1281 QDateTime dt = QDateTime::fromMSecsSinceEpoch( value.toLongLong( &ok ) );
1282 if ( !ok )
1283 {
1284 QgsDebugError( QStringLiteral( "Invalid value %1 for datetime" ).arg( value.toString() ) );
1285 return QDateTime();
1286 }
1287 else
1288 return dt;
1289}
1290
1291QgsRectangle QgsArcGisRestUtils::convertRectangle( const QVariant &value )
1292{
1293 if ( QgsVariantUtils::isNull( value ) )
1294 return QgsRectangle();
1295
1296 const QVariantMap coords = value.toMap();
1297 if ( coords.isEmpty() ) return QgsRectangle();
1298
1299 bool ok;
1300
1301 const double xmin = coords.value( QStringLiteral( "xmin" ) ).toDouble( &ok );
1302 if ( ! ok ) return QgsRectangle();
1303
1304 const double ymin = coords.value( QStringLiteral( "ymin" ) ).toDouble( &ok );
1305 if ( ! ok ) return QgsRectangle();
1306
1307 const double xmax = coords.value( QStringLiteral( "xmax" ) ).toDouble( &ok );
1308 if ( ! ok ) return QgsRectangle();
1309
1310 const double ymax = coords.value( QStringLiteral( "ymax" ) ).toDouble( &ok );
1311 if ( ! ok ) return QgsRectangle();
1312
1313 return QgsRectangle( xmin, ymin, xmax, ymax );
1314
1315}
1316
1317
1318QVariantMap QgsArcGisRestUtils::geometryToJson( const QgsGeometry &geometry, const QgsArcGisRestContext &, const QgsCoordinateReferenceSystem &crs )
1319{
1320 QVariantMap res;
1321 if ( geometry.isNull() )
1322 return QVariantMap();
1323
1324 const QgsAbstractGeometry *geom = geometry.constGet()->simplifiedTypeRef();
1325 switch ( QgsWkbTypes::flatType( geom->wkbType() ) )
1326 {
1327 case Qgis::WkbType::Unknown:
1328 case Qgis::WkbType::NoGeometry:
1329 return QVariantMap();
1330
1331 case Qgis::WkbType::Point:
1332 res = pointToJson( qgsgeometry_cast< const QgsPoint * >( geom ) );
1333 break;
1334
1335 case Qgis::WkbType::LineString:
1336 res = lineStringToJson( qgsgeometry_cast< const QgsLineString * >( geom ) );
1337 break;
1338
1339 case Qgis::WkbType::CircularString:
1340 case Qgis::WkbType::CompoundCurve:
1341 res = curveToJson( qgsgeometry_cast< const QgsCurve * >( geom ) );
1342 break;
1343
1344 case Qgis::WkbType::Polygon:
1345 res = polygonToJson( qgsgeometry_cast< const QgsPolygon * >( geom ) );
1346 break;
1347
1348 case Qgis::WkbType::MultiPoint:
1349 res = multiPointToJson( qgsgeometry_cast< const QgsMultiPoint * >( geom ) );
1350 break;
1351
1352 case Qgis::WkbType::MultiLineString:
1353 res = multiLineStringToJson( qgsgeometry_cast< const QgsMultiLineString * >( geom ) );
1354 break;
1355
1356 case Qgis::WkbType::MultiCurve:
1357 res = multiCurveToJson( qgsgeometry_cast< const QgsMultiCurve * >( geom ) );
1358 break;
1359
1360 case Qgis::WkbType::MultiPolygon:
1361 res = multiPolygonToJson( qgsgeometry_cast< const QgsMultiPolygon * >( geom ) );
1362 break;
1363
1364 case Qgis::WkbType::CurvePolygon:
1365 res = curvePolygonToJson( qgsgeometry_cast< const QgsCurvePolygon * >( geom ) );
1366 break;
1367
1368 case Qgis::WkbType::MultiSurface:
1369 res = multiSurfaceToJson( qgsgeometry_cast< const QgsMultiSurface * >( geom ) );
1370 break;
1371
1372 case Qgis::WkbType::GeometryCollection:
1373 return QVariantMap(); // not supported by REST API
1374
1375 case Qgis::WkbType::Triangle:
1376 return QVariantMap(); //not yet supported, but could be
1377
1378 default:
1379 return QVariantMap(); //unreachable
1380
1381 }
1382
1383 if ( crs.isValid() )
1384 {
1385 // add spatialReference information
1386 res.insert( QStringLiteral( "spatialReference" ), crsToJson( crs ) );
1387 }
1388
1389 return res;
1390}
1391
1392QVariantMap QgsArcGisRestUtils::pointToJson( const QgsPoint *point )
1393{
1394 QVariantMap data;
1395 if ( point->isEmpty() )
1396 data[QStringLiteral( "x" )] = QStringLiteral( "NaN" );
1397 else
1398 {
1399 data[QStringLiteral( "x" )] = point->x();
1400 data[QStringLiteral( "y" )] = point->y();
1401
1402 if ( point->is3D() )
1403 data[QStringLiteral( "z" )] = !std::isnan( point->z() ) ? QVariant( point->z() ) : QVariant( QStringLiteral( "NaN" ) );
1404
1405 if ( point->isMeasure() )
1406 data[QStringLiteral( "m" )] = !std::isnan( point->m() ) ? QVariant( point->m() ) : QVariant( QStringLiteral( "NaN" ) );
1407 }
1408 return data;
1409}
1410
1411QVariantMap QgsArcGisRestUtils::multiPointToJson( const QgsMultiPoint *multiPoint )
1412{
1413 QVariantMap data;
1414 const bool hasZ = multiPoint->is3D();
1415 const bool hasM = multiPoint->isMeasure();
1416 data[QStringLiteral( "hasM" )] = hasM;
1417 data[QStringLiteral( "hasZ" )] = hasZ;
1418
1419 QVariantList pointsList;
1420 const int size = multiPoint->numGeometries();
1421 pointsList.reserve( size );
1422
1423 QVariantList pointList;
1424 for ( int i = 0; i < size; ++i )
1425 {
1426 const QgsPoint *point = multiPoint->pointN( i );
1427
1428 pointList.clear();
1429 pointList.append( point->x() );
1430 pointList.append( point->y() );
1431 if ( hasZ )
1432 pointList.append( point->z() );
1433 if ( hasM && !std::isnan( point->m() ) )
1434 pointList.append( point->m() );
1435
1436 pointsList.push_back( pointList );
1437 }
1438
1439 data[QStringLiteral( "points" )] = pointsList;
1440 return data;
1441}
1442
1443QVariantList QgsArcGisRestUtils::lineStringToJsonPath( const QgsLineString *line )
1444{
1445 const bool hasZ = line->is3D();
1446 const bool hasM = line->isMeasure();
1447
1448 QVariantList pointsList;
1449 const int size = line->numPoints();
1450 pointsList.reserve( size );
1451
1452 QVariantList pointList;
1453 const double *xData = line->xData();
1454 const double *yData = line->yData();
1455 const double *zData = hasZ ? line->zData() : nullptr;
1456 const double *mData = hasM ? line->mData() : nullptr;
1457
1458 for ( int i = 0; i < size; ++i )
1459 {
1460 pointList.clear();
1461 pointList.append( *xData++ );
1462 pointList.append( *yData++ );
1463
1464 if ( hasZ )
1465 pointList.append( *zData++ );
1466
1467 if ( hasM && !std::isnan( *mData ) )
1468 pointList.append( *mData );
1469 if ( hasM )
1470 mData++;
1471
1472 pointsList.push_back( pointList );
1473 }
1474 return pointsList;
1475}
1476
1477QVariantList QgsArcGisRestUtils::curveToJsonCurve( const QgsCurve *curve, bool includeStart )
1478{
1479 const bool hasZ = curve->is3D();
1480 const bool hasM = curve->isMeasure();
1481
1482 auto pointToList = [hasZ, hasM]( const QgsPoint & point ) -> QVariantList
1483 {
1484 QVariantList pointList;
1485
1486 pointList.append( point.x() );
1487 pointList.append( point.y() );
1488
1489 if ( hasZ )
1490 pointList.append( point.z() );
1491
1492 if ( hasM && !std::isnan( point.m() ) )
1493 pointList.append( point.m() );
1494
1495 return pointList;
1496 };
1497
1498 QVariantList res;
1499 switch ( QgsWkbTypes::flatType( curve->wkbType() ) )
1500 {
1501 case Qgis::WkbType::LineString:
1502 {
1503 QVariantList part = lineStringToJsonPath( qgsgeometry_cast< const QgsLineString *>( curve ) );
1504 if ( !part.isEmpty() && !includeStart )
1505 part.removeAt( 0 );
1506 res = part;
1507 break;
1508 }
1509
1510 case Qgis::WkbType::CircularString:
1511 {
1512 const QgsCircularString *circularString = qgsgeometry_cast<const QgsCircularString * >( curve );
1513 if ( includeStart && !circularString->isEmpty() )
1514 {
1515 res.push_back( pointToList( circularString->startPoint() ) );
1516 }
1517
1518 const int size = circularString->numPoints();
1519 for ( int i = 1; i + 1 < size; i += 2 )
1520 {
1521 // end point comes BEFORE interior point!
1522 QVariantMap curvePart;
1523 QVariantList curveList;
1524 curveList.push_back( pointToList( circularString->pointN( i + 1 ) ) );
1525
1526 curveList.push_back( pointToList( circularString->pointN( i ) ) );
1527
1528 curvePart.insert( QStringLiteral( "c" ), curveList );
1529 res.push_back( curvePart );
1530 }
1531 break;
1532 }
1533
1534 case Qgis::WkbType::CompoundCurve:
1535 {
1536 const QgsCompoundCurve *compoundCurve = qgsgeometry_cast<const QgsCompoundCurve * >( curve );
1537
1538 const int size = compoundCurve->nCurves();
1539 for ( int i = 0; i < size; ++i )
1540 {
1541 const QgsCurve *subCurve = compoundCurve->curveAt( i );
1542 res.append( curveToJsonCurve( subCurve, i == 0 ) );
1543 }
1544 break;
1545 }
1546
1547 default:
1548 break;
1549 }
1550 return res;
1551}
1552
1553QVariantMap QgsArcGisRestUtils::lineStringToJson( const QgsLineString *line )
1554{
1555 QVariantMap data;
1556 const bool hasZ = line->is3D();
1557 const bool hasM = line->isMeasure();
1558 data[QStringLiteral( "hasM" )] = hasM;
1559 data[QStringLiteral( "hasZ" )] = hasZ;
1560
1561 const QVariantList pointsList = lineStringToJsonPath( line );
1562
1563 QVariantList pointsData = QVariantList();
1564 pointsData.push_back( pointsList );
1565 data[QStringLiteral( "paths" )] = pointsData;
1566
1567 return data;
1568}
1569
1570QVariantMap QgsArcGisRestUtils::curveToJson( const QgsCurve *curve )
1571{
1572 QVariantMap data;
1573 const bool hasZ = curve->is3D();
1574 const bool hasM = curve->isMeasure();
1575 data[QStringLiteral( "hasM" )] = hasM;
1576 data[QStringLiteral( "hasZ" )] = hasZ;
1577
1578 const QVariantList curveList = curveToJsonCurve( curve, true );
1579
1580 QVariantList curveData = QVariantList();
1581 curveData.push_back( curveList );
1582 data[QStringLiteral( "curvePaths" )] = curveData;
1583
1584 return data;
1585}
1586
1587QVariantMap QgsArcGisRestUtils::multiLineStringToJson( const QgsMultiLineString *multiLine )
1588{
1589 QVariantMap data;
1590 const bool hasZ = multiLine->is3D();
1591 const bool hasM = multiLine->isMeasure();
1592 data[QStringLiteral( "hasM" )] = hasM;
1593 data[QStringLiteral( "hasZ" )] = hasZ;
1594
1595 const int size = multiLine->numGeometries();
1596 QVariantList paths;
1597 paths.reserve( size );
1598 for ( int i = 0; i < size; ++i )
1599 {
1600 const QgsLineString *line = multiLine->lineStringN( i );
1601 paths.push_back( lineStringToJsonPath( line ) );
1602 }
1603
1604 data[QStringLiteral( "paths" )] = paths;
1605 return data;
1606}
1607
1608QVariantMap QgsArcGisRestUtils::multiCurveToJson( const QgsMultiCurve *multiCurve )
1609{
1610 QVariantMap data;
1611 const bool hasZ = multiCurve->is3D();
1612 const bool hasM = multiCurve->isMeasure();
1613 data[QStringLiteral( "hasM" )] = hasM;
1614 data[QStringLiteral( "hasZ" )] = hasZ;
1615
1616 const int size = multiCurve->numGeometries();
1617 QVariantList paths;
1618 paths.reserve( size );
1619 for ( int i = 0; i < size; ++i )
1620 {
1621 const QgsCurve *curve = multiCurve->curveN( i );
1622 paths.push_back( curveToJsonCurve( curve, true ) );
1623 }
1624
1625 data[QStringLiteral( "curvePaths" )] = paths;
1626 return data;
1627}
1628
1629QVariantList QgsArcGisRestUtils::polygonToJsonRings( const QgsPolygon *polygon )
1630{
1631 QVariantList rings;
1632 const int numInteriorRings = polygon->numInteriorRings();
1633 rings.reserve( numInteriorRings + 1 );
1634
1635 if ( const QgsLineString *exterior = qgsgeometry_cast< const QgsLineString * >( polygon->exteriorRing() ) )
1636 {
1637 // exterior ring MUST be clockwise
1638 switch ( exterior->orientation() )
1639 {
1640 case Qgis::AngularDirection::Clockwise:
1641 rings.push_back( lineStringToJsonPath( exterior ) );
1642 break;
1643
1644 case Qgis::AngularDirection::CounterClockwise:
1645 {
1646 std::unique_ptr< QgsLineString > reversed( exterior->reversed() );
1647 rings.push_back( lineStringToJsonPath( reversed.get() ) );
1648 break;
1649 }
1650 case Qgis::AngularDirection::NoOrientation:
1651 break;
1652 }
1653 }
1654
1655 for ( int i = 0; i < numInteriorRings; ++i )
1656 {
1657 const QgsLineString *ring = qgsgeometry_cast< const QgsLineString * >( polygon->interiorRing( i ) );
1658 // holes MUST be counter-clockwise
1659 switch ( ring->orientation() )
1660 {
1661 case Qgis::AngularDirection::CounterClockwise:
1662 rings.push_back( lineStringToJsonPath( ring ) );
1663 break;
1664
1665 case Qgis::AngularDirection::Clockwise:
1666 {
1667 std::unique_ptr< QgsLineString > reversed( ring->reversed() );
1668 rings.push_back( lineStringToJsonPath( reversed.get() ) );
1669 break;
1670 }
1671 case Qgis::AngularDirection::NoOrientation:
1672 break;
1673 }
1674 }
1675 return rings;
1676}
1677
1678QVariantList QgsArcGisRestUtils::curvePolygonToJsonRings( const QgsCurvePolygon *polygon )
1679{
1680 QVariantList rings;
1681 const int numInteriorRings = polygon->numInteriorRings();
1682 rings.reserve( numInteriorRings + 1 );
1683
1684 if ( const QgsCurve *exterior = qgsgeometry_cast< const QgsCurve * >( polygon->exteriorRing() ) )
1685 {
1686 // exterior ring MUST be clockwise
1687 switch ( exterior->orientation() )
1688 {
1689 case Qgis::AngularDirection::Clockwise:
1690 rings.push_back( curveToJsonCurve( exterior, true ) );
1691 break;
1692
1693 case Qgis::AngularDirection::CounterClockwise:
1694 {
1695 std::unique_ptr< QgsCurve > reversed( exterior->reversed() );
1696 rings.push_back( curveToJsonCurve( reversed.get(), true ) );
1697 break;
1698 }
1699 case Qgis::AngularDirection::NoOrientation:
1700 break;
1701 }
1702 }
1703
1704 for ( int i = 0; i < numInteriorRings; ++i )
1705 {
1706 const QgsCurve *ring = qgsgeometry_cast< const QgsCurve * >( polygon->interiorRing( i ) );
1707 // holes MUST be counter-clockwise
1708 switch ( ring->orientation() )
1709 {
1710 case Qgis::AngularDirection::CounterClockwise:
1711 rings.push_back( curveToJsonCurve( ring, true ) );
1712 break;
1713
1714 case Qgis::AngularDirection::Clockwise:
1715 {
1716 std::unique_ptr< QgsCurve > reversed( ring->reversed() );
1717 rings.push_back( curveToJsonCurve( reversed.get(), true ) );
1718 break;
1719 }
1720 case Qgis::AngularDirection::NoOrientation:
1721 break;
1722 }
1723 }
1724 return rings;
1725}
1726
1727QVariantMap QgsArcGisRestUtils::polygonToJson( const QgsPolygon *polygon )
1728{
1729 QVariantMap data;
1730 const bool hasZ = polygon->is3D();
1731 const bool hasM = polygon->isMeasure();
1732 data[QStringLiteral( "hasM" )] = hasM;
1733 data[QStringLiteral( "hasZ" )] = hasZ;
1734 data[QStringLiteral( "rings" )] = polygonToJsonRings( polygon );
1735 return data;
1736}
1737
1738QVariantMap QgsArcGisRestUtils::curvePolygonToJson( const QgsCurvePolygon *polygon )
1739{
1740 QVariantMap data;
1741 const bool hasZ = polygon->is3D();
1742 const bool hasM = polygon->isMeasure();
1743 data[QStringLiteral( "hasM" )] = hasM;
1744 data[QStringLiteral( "hasZ" )] = hasZ;
1745 data[QStringLiteral( "curveRings" )] = curvePolygonToJsonRings( polygon );
1746 return data;
1747}
1748
1749QVariantMap QgsArcGisRestUtils::multiPolygonToJson( const QgsMultiPolygon *multiPolygon )
1750{
1751 QVariantMap data;
1752 const bool hasZ = multiPolygon->is3D();
1753 const bool hasM = multiPolygon->isMeasure();
1754 data[QStringLiteral( "hasM" )] = hasM;
1755 data[QStringLiteral( "hasZ" )] = hasZ;
1756
1757 const int size = multiPolygon->numGeometries();
1758 QVariantList rings;
1759 for ( int i = 0; i < size; ++i )
1760 {
1761 const QgsPolygon *polygon = multiPolygon->polygonN( i );
1762 rings.append( polygonToJsonRings( polygon ) );
1763 }
1764
1765 data[QStringLiteral( "rings" )] = rings;
1766 return data;
1767}
1768
1769QVariantMap QgsArcGisRestUtils::multiSurfaceToJson( const QgsMultiSurface *multiSurface )
1770{
1771 QVariantMap data;
1772 const bool hasZ = multiSurface->is3D();
1773 const bool hasM = multiSurface->isMeasure();
1774 data[QStringLiteral( "hasM" )] = hasM;
1775 data[QStringLiteral( "hasZ" )] = hasZ;
1776
1777 const int size = multiSurface->numGeometries();
1778 QVariantList rings;
1779 for ( int i = 0; i < size; ++i )
1780 {
1781 const QgsCurvePolygon *polygon = qgsgeometry_cast< const QgsCurvePolygon * >( multiSurface->geometryN( i ) );
1782 if ( !polygon )
1783 continue;
1784
1785 rings.append( curvePolygonToJsonRings( polygon ) );
1786 }
1787
1788 data[QStringLiteral( "curveRings" )] = rings;
1789 return data;
1790}
1791
1792QVariantMap QgsArcGisRestUtils::crsToJson( const QgsCoordinateReferenceSystem &crs )
1793{
1794 QVariantMap res;
1795 if ( !crs.isValid() )
1796 return res;
1797
1798 const QString authid = crs.authid();
1799 if ( !authid.isEmpty() )
1800 {
1801 const thread_local QRegularExpression rxAuthid( QStringLiteral( "(\\w+):(\\d+)" ) );
1802 const QRegularExpressionMatch match = rxAuthid.match( authid );
1803 if ( match.hasMatch()
1804 && (
1805 ( match.captured( 1 ).compare( QLatin1String( "EPSG" ), Qt::CaseInsensitive ) == 0 )
1806 || ( match.captured( 1 ).compare( QLatin1String( "ESRI" ), Qt::CaseInsensitive ) == 0 )
1807 )
1808 )
1809 {
1810 const QString wkid = match.captured( 2 );
1811 res.insert( QStringLiteral( "wkid" ), wkid );
1812 return res;
1813 }
1814 }
1815
1816 // docs don't mention the WKT version support, so let's hope for 2.0...
1817 res.insert( QStringLiteral( "wkt" ), crs.toWkt( Qgis::CrsWktVariant::Wkt2_2019Simplified ) );
1818
1819 return res;
1820}
1821
1822QVariantMap QgsArcGisRestUtils::featureToJson( const QgsFeature &feature, const QgsArcGisRestContext &context, const QgsCoordinateReferenceSystem &crs, QgsArcGisRestUtils::FeatureToJsonFlags flags )
1823{
1824 QVariantMap res;
1825 if ( ( flags & FeatureToJsonFlag::IncludeGeometry ) && feature.hasGeometry() )
1826 {
1827 res.insert( QStringLiteral( "geometry" ), geometryToJson( feature.geometry(), context, crs ) );
1828 }
1829
1830 QVariantMap attributes;
1831 const QgsFields fields = feature.fields();
1832 for ( const QgsField &field : fields )
1833 {
1834 if ( ( flags & FeatureToJsonFlag::IncludeNonObjectIdAttributes ) || field.name() == context.objectIdFieldName() )
1835 attributes.insert( field.name(), variantToAttributeValue( feature.attribute( field.name() ), field.type(), context ) );
1836 }
1837 if ( !attributes.isEmpty() )
1838 {
1839 res.insert( QStringLiteral( "attributes" ), attributes );
1840 }
1841 return res;
1842}
1843
1844QVariant QgsArcGisRestUtils::variantToAttributeValue( const QVariant &variant, QMetaType::Type expectedType, const QgsArcGisRestContext &context )
1845{
1846 if ( QgsVariantUtils::isNull( variant ) )
1847 return QVariant();
1848
1849 switch ( expectedType )
1850 {
1851 case QMetaType::Type::QString:
1852 {
1853 const QString escaped = variant.toString().replace( '\\', QLatin1String( "\\\\" ) ).replace( '"', QLatin1String( "\\\"" ) );
1854 return QString( QUrl::toPercentEncoding( escaped, "'" ) );
1855 }
1856
1857 case QMetaType::Type::QDateTime:
1858 case QMetaType::Type::QDate:
1859 {
1860 switch ( variant.userType() )
1861 {
1862 case QMetaType::Type::QDateTime:
1863 return variant.toDateTime().toMSecsSinceEpoch();
1864
1865 case QMetaType::Type::QDate:
1866 // for date values, assume start of day -- the REST api requires datetime values only, not plain dates
1867 if ( context.timeZone().isValid() )
1868 return QDateTime( variant.toDate(), QTime( 0, 0, 0 ), context.timeZone() ).toMSecsSinceEpoch();
1869 else
1870 return QDateTime( variant.toDate(), QTime( 0, 0, 0 ) ).toMSecsSinceEpoch();
1871
1872 default:
1873 return QVariant();
1874 }
1875 }
1876
1877 default:
1878 return variant;
1879 }
1880}
1881
1882QVariantMap QgsArcGisRestUtils::fieldDefinitionToJson( const QgsField &field )
1883{
1884 QVariantMap res;
1885 res.insert( QStringLiteral( "name" ), field.name() );
1886
1887 QString fieldType;
1888 switch ( field.type() )
1889 {
1890 case QMetaType::Type::LongLong:
1891 fieldType = QStringLiteral( "esriFieldTypeInteger" );
1892 break;
1893
1894 case QMetaType::Type::Int:
1895 fieldType = QStringLiteral( "esriFieldTypeSmallInteger" );
1896 break;
1897
1898 case QMetaType::Type::Double:
1899 fieldType = QStringLiteral( "esriFieldTypeDouble" );
1900 break;
1901
1902 case QMetaType::Type::QString:
1903 fieldType = QStringLiteral( "esriFieldTypeString" );
1904 break;
1905
1906 case QMetaType::Type::QDateTime:
1907 case QMetaType::Type::QDate:
1908 fieldType = QStringLiteral( "esriFieldTypeDate" );
1909 break;
1910
1911 case QMetaType::Type::QByteArray:
1912 fieldType = QStringLiteral( "esriFieldTypeBlob" );
1913 break;
1914
1915 default:
1916 // fallback to string
1917 fieldType = QStringLiteral( "esriFieldTypeString" );
1918 break;
1919 }
1920 res.insert( QStringLiteral( "type" ), fieldType );
1921
1922 if ( !field.alias().isEmpty() )
1923 res.insert( QStringLiteral( "alias" ), field.alias() );
1924
1925 // nullable
1926 const bool notNullable = field.constraints().constraints() & QgsFieldConstraints::Constraint::ConstraintNotNull;
1927 res.insert( QStringLiteral( "nullable" ), !notNullable );
1928
1929 // editable
1930 res.insert( QStringLiteral( "editable" ), true );
1931
1932 return res;
1933}
1934
1935Qgis::ArcGisRestServiceType QgsArcGisRestUtils::serviceTypeFromString( const QString &type )
1936{
1937 if ( type.compare( QLatin1String( "FeatureServer" ), Qt::CaseInsensitive ) == 0 )
1938 return Qgis::ArcGisRestServiceType::FeatureServer;
1939 else if ( type.compare( QLatin1String( "MapServer" ), Qt::CaseInsensitive ) == 0 )
1940 return Qgis::ArcGisRestServiceType::MapServer;
1941 else if ( type.compare( QLatin1String( "ImageServer" ), Qt::CaseInsensitive ) == 0 )
1942 return Qgis::ArcGisRestServiceType::ImageServer;
1943 else if ( type.compare( QLatin1String( "GlobeServer" ), Qt::CaseInsensitive ) == 0 )
1944 return Qgis::ArcGisRestServiceType::GlobeServer;
1945 else if ( type.compare( QLatin1String( "GPServer" ), Qt::CaseInsensitive ) == 0 )
1946 return Qgis::ArcGisRestServiceType::GPServer;
1947 else if ( type.compare( QLatin1String( "GeocodeServer" ), Qt::CaseInsensitive ) == 0 )
1948 return Qgis::ArcGisRestServiceType::GeocodeServer;
1949
1950 return Qgis::ArcGisRestServiceType::Unknown;
1951}
1952
Qgis::LabelLinePlacementFlag::BelowLine
@ BelowLine
Labels can be placed below a line feature. Unless MapOrientation is also specified this mode respects...
Qgis::LabelLinePlacementFlag::MapOrientation
@ MapOrientation
Signifies that the AboveLine and BelowLine flags should respect the map's orientation rather than the...
Qgis::LabelLinePlacementFlag::OnLine
@ OnLine
Labels can be placed directly over a line feature.
Qgis::LabelLinePlacementFlag::AboveLine
@ AboveLine
Labels can be placed above a line feature. Unless MapOrientation is also specified this mode respects...
Qgis::AngularDirection::NoOrientation
@ NoOrientation
Unknown orientation or sentinel value.
Qgis::AngularDirection::CounterClockwise
@ CounterClockwise
Counter-clockwise direction.
Qgis::AngularDirection::Clockwise
@ Clockwise
Clockwise direction.
Qgis::LabelPlacement::OverPoint
@ OverPoint
Arranges candidates over a point (or centroid of a polygon), or at a preset offset from the point....
Qgis::LabelPlacement::Line
@ Line
Arranges candidates parallel to a generalised line representing the feature or parallel to a polygon'...
Qgis::LabelPlacement::Horizontal
@ Horizontal
Arranges horizontal candidates scattered throughout a polygon feature. Applies to polygon layers only...
Qgis::ScaleMethod::ScaleArea
@ ScaleArea
Calculate scale by the area.
Qgis::ArcGisRestServiceType
ArcGisRestServiceType
Available ArcGIS REST service types.
Definition qgis.h:4067
Qgis::ArcGisRestServiceType::GeocodeServer
@ GeocodeServer
GeocodeServer.
Qgis::ArcGisRestServiceType::Unknown
@ Unknown
Other unknown/unsupported type.
Qgis::ArcGisRestServiceType::FeatureServer
@ FeatureServer
FeatureServer.
Qgis::MarkerShape
MarkerShape
Marker shapes.
Definition qgis.h:2849
Qgis::MarkerShape::Triangle
@ Triangle
Triangle.
Qgis::MarkerShape::Cross2
@ Cross2
Rotated cross (lines only), 'x' shape.
Qgis::MarkerShape::Cross
@ Cross
Cross (lines only)
Qgis::RenderUnit::Points
@ Points
Points (e.g., for font sizes)
Qgis::WkbType
WkbType
The WKB type describes the number of dimensions a geometry has.
Definition qgis.h:256
Qgis::WkbType::CompoundCurve
@ CompoundCurve
CompoundCurve.
Qgis::WkbType::LineString
@ LineString
LineString.
Qgis::WkbType::MultiPoint
@ MultiPoint
MultiPoint.
Qgis::WkbType::Polygon
@ Polygon
Polygon.
Qgis::WkbType::MultiPolygon
@ MultiPolygon
MultiPolygon.
Qgis::WkbType::Triangle
@ Triangle
Triangle.
Qgis::WkbType::NoGeometry
@ NoGeometry
No geometry.
Qgis::WkbType::MultiLineString
@ MultiLineString
MultiLineString.
Qgis::WkbType::Unknown
@ Unknown
Unknown.
Qgis::WkbType::CircularString
@ CircularString
CircularString.
Qgis::WkbType::GeometryCollection
@ GeometryCollection
GeometryCollection.
Qgis::WkbType::MultiCurve
@ MultiCurve
MultiCurve.
Qgis::WkbType::CurvePolygon
@ CurvePolygon
CurvePolygon.
Qgis::WkbType::MultiSurface
@ MultiSurface
MultiSurface.
Qgis::CrsWktVariant::Wkt2_2019Simplified
@ Wkt2_2019Simplified
WKT2_2019 with the simplification rule of WKT2_SIMPLIFIED.
QgsAbstractGeometry
Abstract base class for all geometries.
Definition qgsabstractgeometry.h:80
QgsAbstractGeometry::simplifiedTypeRef
virtual const QgsAbstractGeometry * simplifiedTypeRef() const
Returns a reference to the simplest lossless representation of this geometry, e.g.
Definition qgsabstractgeometry.cpp:323
QgsAbstractGeometry::isMeasure
bool isMeasure() const
Returns true if the geometry contains m values.
Definition qgsabstractgeometry.h:259
QgsAbstractGeometry::boundingBox
virtual QgsRectangle boundingBox() const
Returns the minimal bounding box for the geometry.
Definition qgsabstractgeometry.cpp:118
QgsAbstractGeometry::is3D
bool is3D() const
Returns true if the geometry is 3D and contains a z-value.
Definition qgsabstractgeometry.h:250
QgsAbstractGeometry::wkbType
Qgis::WkbType wkbType() const
Returns the WKB type of the geometry.
Definition qgsabstractgeometry.h:237
QgsAbstractVectorLayerLabeling
Abstract base class - its implementations define different approaches to the labeling of a vector lay...
Definition qgsvectorlayerlabeling.h:41
QgsArcGisRestContext
Contains the context of a ArcGIS REST service operation.
Definition qgsarcgisrestutils.h:67
QgsArcGisRestContext::timeZone
QTimeZone timeZone() const
Returns the time zone for datetime values.
Definition qgsarcgisrestutils.h:82
QgsArcGisRestContext::objectIdFieldName
QString objectIdFieldName() const
Returns the name of the objectId field.
Definition qgsarcgisrestutils.h:96
QgsArcGisRestUtils::fieldDefinitionToJson
static QVariantMap fieldDefinitionToJson(const QgsField &field)
Converts a field's definition to an ArcGIS REST JSON representation.
Definition qgsarcgisrestutils.cpp:1882
QgsArcGisRestUtils::convertSpatialReference
static QgsCoordinateReferenceSystem convertSpatialReference(const QVariantMap &spatialReferenceMap)
Converts a spatial reference JSON definition to a QgsCoordinateReferenceSystem value.
Definition qgsarcgisrestutils.cpp:513
QgsArcGisRestUtils::convertDateTime
static QDateTime convertDateTime(const QVariant &value)
Converts a date time value to a QDateTime.
Definition qgsarcgisrestutils.cpp:1276
QgsArcGisRestUtils::convertGeometryType
static Qgis::WkbType convertGeometryType(const QString &type)
Converts an ESRI REST geometry type to a WKB type.
Definition qgsarcgisrestutils.cpp:90
QgsArcGisRestUtils::convertLabelingExpression
static QString convertLabelingExpression(const QString &string)
Converts an ESRI labeling expression to a QGIS expression string.
Definition qgsarcgisrestutils.cpp:1199
QgsArcGisRestUtils::convertSymbol
static QgsSymbol * convertSymbol(const QVariantMap &definition)
Converts a symbol JSON definition to a QgsSymbol.
Definition qgsarcgisrestutils.cpp:547
QgsArcGisRestUtils::geometryToJson
static QVariantMap geometryToJson(const QgsGeometry &geometry, const QgsArcGisRestContext &context, const QgsCoordinateReferenceSystem &crs=QgsCoordinateReferenceSystem())
Converts a geometry to an ArcGIS REST JSON representation.
Definition qgsarcgisrestutils.cpp:1318
QgsArcGisRestUtils::serviceTypeFromString
static Qgis::ArcGisRestServiceType serviceTypeFromString(const QString &type)
Converts a string value to a REST service type.
Definition qgsarcgisrestutils.cpp:1935
QgsArcGisRestUtils::variantToAttributeValue
static QVariant variantToAttributeValue(const QVariant &variant, QMetaType::Type expectedType, const QgsArcGisRestContext &context)
Converts a variant to a REST attribute value.
Definition qgsarcgisrestutils.cpp:1844
QgsArcGisRestUtils::convertGeometry
static QgsAbstractGeometry * convertGeometry(const QVariantMap &geometry, const QString &esriGeometryType, bool hasM, bool hasZ, QgsCoordinateReferenceSystem *crs=nullptr)
Converts an ESRI REST geometry JSON definition to a QgsAbstractGeometry.
Definition qgsarcgisrestutils.cpp:474
QgsArcGisRestUtils::featureToJson
static QVariantMap featureToJson(const QgsFeature &feature, const QgsArcGisRestContext &context, const QgsCoordinateReferenceSystem &crs=QgsCoordinateReferenceSystem(), QgsArcGisRestUtils::FeatureToJsonFlags flags=QgsArcGisRestUtils::FeatureToJsonFlags(static_cast< int >(QgsArcGisRestUtils::FeatureToJsonFlag::IncludeGeometry)|static_cast< int >(QgsArcGisRestUtils::FeatureToJsonFlag::IncludeNonObjectIdAttributes)))
Converts a feature to an ArcGIS REST JSON representation.
Definition qgsarcgisrestutils.cpp:1822
QgsArcGisRestUtils::convertLineStyle
static Qt::PenStyle convertLineStyle(const QString &style)
Converts an ESRI line style to a Qt pen style.
Definition qgsarcgisrestutils.cpp:1236
QgsArcGisRestUtils::FeatureToJsonFlag::IncludeGeometry
@ IncludeGeometry
Whether to include the geometry definition.
QgsArcGisRestUtils::FeatureToJsonFlag::IncludeNonObjectIdAttributes
@ IncludeNonObjectIdAttributes
Whether to include any non-objectId attributes.
QgsArcGisRestUtils::convertRenderer
static QgsFeatureRenderer * convertRenderer(const QVariantMap &rendererData)
Converts renderer JSON data to an equivalent QgsFeatureRenderer.
Definition qgsarcgisrestutils.cpp:972
QgsArcGisRestUtils::convertFieldType
static QMetaType::Type convertFieldType(const QString &type)
Converts an ESRI REST field type to a QVariant type.
Definition qgsarcgisrestutils.cpp:59
QgsArcGisRestUtils::convertFillStyle
static Qt::BrushStyle convertFillStyle(const QString &style)
Converts an ESRI fill style to a Qt brush style.
Definition qgsarcgisrestutils.cpp:1254
QgsArcGisRestUtils::crsToJson
static QVariantMap crsToJson(const QgsCoordinateReferenceSystem &crs)
Converts a crs to an ArcGIS REST JSON representation.
Definition qgsarcgisrestutils.cpp:1792
QgsArcGisRestUtils::FeatureToJsonFlags
QFlags< FeatureToJsonFlag > FeatureToJsonFlags
Flags which control the behavior of converting features to JSON.
Definition qgsarcgisrestutils.h:240
QgsArcGisRestUtils::convertLabeling
static QgsAbstractVectorLayerLabeling * convertLabeling(const QVariantList &data)
Converts labeling JSON data to an equivalent QGIS vector labeling.
Definition qgsarcgisrestutils.cpp:837
QgsArcGisRestUtils::convertColor
static QColor convertColor(const QVariant &data)
Converts ESRI JSON color data to a QColor object.
Definition qgsarcgisrestutils.cpp:1223
QgsArcGisRestUtils::convertRectangle
static QgsRectangle convertRectangle(const QVariant &value)
Converts a rectangle value to a QgsRectangle.
Definition qgsarcgisrestutils.cpp:1291
QgsCircularString
Circular string geometry type.
Definition qgscircularstring.h:34
QgsCircularString::startPoint
QgsPoint startPoint() const override
Returns the starting point of the curve.
Definition qgscircularstring.cpp:594
QgsCircularString::isEmpty
bool isEmpty() const override
Returns true if the geometry is empty.
Definition qgscircularstring.cpp:567
QgsCircularString::numPoints
int numPoints() const override
Returns the number of points in the curve.
Definition qgscircularstring.cpp:698
QgsCircularString::pointN
QgsPoint pointN(int i) const
Returns the point at index i within the circular string.
Definition qgscircularstring.cpp:743
QgsClassificationCustom
QgsClassificationCustom is a dummy implementation of QgsClassification which does not compute any bre...
Definition qgsclassificationcustom.h:29
QgsClassificationEqualInterval
QgsClassificationEqualInterval is an implementation of QgsClassificationMethod for equal intervals.
Definition qgsclassificationequalinterval.h:29
QgsClassificationFixedInterval
Implementation of a fixed interval classification.
Definition qgsclassificationfixedinterval.h:29
QgsClassificationJenks
QgsClassificationJenks is an implementation of QgsClassificationMethod for natural breaks based on Je...
Definition qgsclassificationjenks.h:29
QgsClassificationQuantile
QgsClassificationQuantile is an implementation of QgsClassificationMethod based on quantiles.
Definition qgsclassificationquantile.h:30
QgsClassificationStandardDeviation
QgsClassificationCustom is an implementation of QgsClassificationMethod based on standard deviation.
Definition qgsclassificationstandarddeviation.h:29
QgsColorRampTransformer
QgsPropertyTransformer subclass for transforming a numeric value into a color from a color ramp.
Definition qgspropertytransformer.h:588
QgsCompoundCurve
Compound curve geometry type.
Definition qgscompoundcurve.h:31
QgsCompoundCurve::reversed
QgsCompoundCurve * reversed() const override
Returns a reversed copy of the curve, where the direction of the curve has been flipped.
Definition qgscompoundcurve.cpp:1285
QgsCompoundCurve::nCurves
int nCurves() const
Returns the number of curves in the geometry.
Definition qgscompoundcurve.h:133
QgsCompoundCurve::curveAt
const QgsCurve * curveAt(int i) const
Returns the curve at the specified index.
Definition qgscompoundcurve.cpp:559
QgsCompoundCurve::startPoint
QgsPoint startPoint() const override
Returns the starting point of the curve.
Definition qgscompoundcurve.cpp:359
QgsCoordinateReferenceSystem
This class represents a coordinate reference system (CRS).
Definition qgscoordinatereferencesystem.h:212
QgsCoordinateReferenceSystem::isValid
bool isValid() const
Returns whether this CRS is correctly initialized and usable.
Definition qgscoordinatereferencesystem.cpp:1011
QgsCoordinateReferenceSystem::createFromWkt
bool createFromWkt(const QString &wkt)
Sets this CRS using a WKT definition.
Definition qgscoordinatereferencesystem.cpp:933
QgsCoordinateReferenceSystem::createFromString
bool createFromString(const QString &definition)
Set up this CRS from a string definition.
Definition qgscoordinatereferencesystem.cpp:296
QgsCoordinateReferenceSystem::toWkt
QString toWkt(Qgis::CrsWktVariant variant=Qgis::CrsWktVariant::Wkt1Gdal, bool multiline=false, int indentationWidth=4) const
Returns a WKT representation of this CRS.
Definition qgscoordinatereferencesystem.cpp:2053
QgsCurvePolygon
Curve polygon geometry type.
Definition qgscurvepolygon.h:35
QgsCurvePolygon::numInteriorRings
int numInteriorRings() const
Returns the number of interior rings contained with the curve polygon.
Definition qgscurvepolygon.h:164
QgsCurvePolygon::exteriorRing
const QgsCurve * exteriorRing() const
Returns the curve polygon's exterior ring.
Definition qgscurvepolygon.h:174
QgsCurvePolygon::interiorRing
const QgsCurve * interiorRing(int i) const
Retrieves an interior ring from the curve polygon.
Definition qgscurvepolygon.h:200
QgsCurvePolygon::setExteriorRing
virtual void setExteriorRing(QgsCurve *ring)
Sets the exterior ring of the polygon.
Definition qgscurvepolygon.cpp:706
QgsCurvePolygon::addInteriorRing
virtual void addInteriorRing(QgsCurve *ring)
Adds an interior ring to the geometry (takes ownership)
Definition qgscurvepolygon.cpp:753
QgsCurve
Abstract base class for curved geometry type.
Definition qgscurve.h:35
QgsCurve::orientation
Qgis::AngularDirection orientation() const
Returns the curve's orientation, e.g.
Definition qgscurve.cpp:286
QgsCurve::reversed
virtual QgsCurve * reversed() const =0
Returns a reversed copy of the curve, where the direction of the curve has been flipped.
QgsCurve::endPoint
virtual QgsPoint endPoint() const =0
Returns the end point of the curve.
QgsExpression
Class for parsing and evaluation of expressions (formerly called "search strings").
Definition qgsexpression.h:189
QgsExpression::isValid
bool isValid() const
Checks if this expression is valid.
Definition qgsexpression.cpp:227
QgsFeatureRenderer
Abstract base class for all 2D vector feature renderers.
Definition qgsrenderer.h:106
QgsFeature
The feature class encapsulates a single feature including its unique ID, geometry and a list of field...
Definition qgsfeature.h:58
QgsFeature::fields
QgsFields fields
Definition qgsfeature.h:68
QgsFeature::geometry
QgsGeometry geometry
Definition qgsfeature.h:69
QgsFeature::hasGeometry
bool hasGeometry() const
Returns true if the feature has an associated geometry.
Definition qgsfeature.cpp:231
QgsFeature::attribute
Q_INVOKABLE QVariant attribute(const QString &name) const
Lookup attribute value by attribute name.
Definition qgsfeature.cpp:336
QgsFieldConstraints::ConstraintNotNull
@ ConstraintNotNull
Field may not be null.
Definition qgsfieldconstraints.h:45
QgsField
Encapsulate a field in an attribute table or data source.
Definition qgsfield.h:53
QgsField::type
QMetaType::Type type
Definition qgsfield.h:60
QgsField::name
QString name
Definition qgsfield.h:62
QgsField::alias
QString alias
Definition qgsfield.h:63
QgsField::constraints
QgsFieldConstraints constraints
Definition qgsfield.h:65
QgsFields
Container of fields for a vector layer.
Definition qgsfields.h:46
QgsGeometryCollection::numGeometries
int numGeometries() const
Returns the number of geometries within the collection.
Definition qgsgeometrycollection.h:120
QgsGeometryCollection::geometryN
const QgsAbstractGeometry * geometryN(int n) const
Returns a const reference to a geometry from within the collection.
Definition qgsgeometrycollection.h:148
QgsGeometry
A geometry is the spatial representation of a feature.
Definition qgsgeometry.h:162
QgsGeometry::constGet
const QgsAbstractGeometry * constGet() const
Returns a non-modifiable (const) reference to the underlying abstract geometry primitive.
Definition qgsgeometry.cpp:128
QgsGeometry::createGeometryEngine
static QgsGeometryEngine * createGeometryEngine(const QgsAbstractGeometry *geometry, double precision=0.0, Qgis::GeosCreationFlags flags=Qgis::GeosCreationFlag::SkipEmptyInteriorRings)
Creates and returns a new geometry engine representing the specified geometry using precision on a gr...
Definition qgsgeometry.cpp:4471
QgsGradientStop
Represents a color stop within a QgsGradientColorRamp color ramp.
Definition qgscolorrampimpl.h:38
QgsLabelLineSettings::setPlacementFlags
void setPlacementFlags(Qgis::LabelLinePlacementFlags flags)
Returns the line placement flags, which dictate how line labels can be placed above or below the line...
Definition qgslabellinesettings.h:104
QgsLabelPointSettings::setQuadrant
void setQuadrant(Qgis::LabelQuadrantPosition quadrant)
Sets the quadrant in which to offset labels from the point.
Definition qgslabelpointsettings.h:61
QgsLineString
Line string geometry type, with support for z-dimension and m-values.
Definition qgslinestring.h:45
QgsLineString::yData
const double * yData() const
Returns a const pointer to the y vertex data.
Definition qgslinestring.h:546
QgsLineString::xData
const double * xData() const
Returns a const pointer to the x vertex data.
Definition qgslinestring.h:535
QgsLineString::zData
const double * zData() const
Returns a const pointer to the z vertex data, or nullptr if the linestring does not have z values.
Definition qgslinestring.h:559
QgsLineString::numPoints
int numPoints() const override
Returns the number of points in the curve.
Definition qgslinestring.cpp:1191
QgsLineString::reversed
QgsLineString * reversed() const override
Returns a reversed copy of the curve, where the direction of the curve has been flipped.
Definition qgslinestring.cpp:1488
QgsLineString::mData
const double * mData() const
Returns a const pointer to the m vertex data, or nullptr if the linestring does not have m values.
Definition qgslinestring.h:575
QgsMarkerSymbolLayer::HorizontalAnchorPoint
HorizontalAnchorPoint
Symbol horizontal anchor points.
Definition qgssymbollayer.h:772
QgsMarkerSymbolLayer::Right
@ Right
Align to right side of symbol.
Definition qgssymbollayer.h:775
QgsMarkerSymbolLayer::HCenter
@ HCenter
Align to horizontal center of symbol.
Definition qgssymbollayer.h:774
QgsMarkerSymbolLayer::Left
@ Left
Align to left side of symbol.
Definition qgssymbollayer.h:773
QgsMarkerSymbolLayer::VerticalAnchorPoint
VerticalAnchorPoint
Symbol vertical anchor points.
Definition qgssymbollayer.h:780
QgsMarkerSymbolLayer::VCenter
@ VCenter
Align to vertical center of symbol.
Definition qgssymbollayer.h:782
QgsMarkerSymbolLayer::Bottom
@ Bottom
Align to bottom of symbol.
Definition qgssymbollayer.h:783
QgsMarkerSymbolLayer::Top
@ Top
Align to top of symbol.
Definition qgssymbollayer.h:781
QgsMultiCurve
Multi curve geometry collection.
Definition qgsmulticurve.h:29
QgsMultiCurve::curveN
QgsCurve * curveN(int index)
Returns the curve with the specified index.
Definition qgsmulticurve.cpp:34
QgsMultiLineString
Multi line string geometry collection.
Definition qgsmultilinestring.h:31
QgsMultiLineString::lineStringN
QgsLineString * lineStringN(int index)
Returns the line string with the specified index.
Definition qgsmultilinestring.cpp:62
QgsMultiPoint
Multi point geometry collection.
Definition qgsmultipoint.h:29
QgsMultiPoint::pointN
QgsPoint * pointN(int index)
Returns the point with the specified index.
Definition qgsmultipoint.cpp:111
QgsMultiPolygon
Multi polygon geometry collection.
Definition qgsmultipolygon.h:31
QgsMultiPolygon::polygonN
QgsPolygon * polygonN(int index)
Returns the polygon with the specified index.
Definition qgsmultipolygon.cpp:59
QgsMultiSurface
Multi surface geometry collection.
Definition qgsmultisurface.h:32
QgsPalLayerSettings
Contains settings for how a map layer will be labeled.
Definition qgspallabeling.h:88
QgsPalLayerSettings::setFormat
void setFormat(const QgsTextFormat &format)
Sets the label text formatting settings, e.g., font settings, buffer settings, etc.
Definition qgspallabeling.h:724
QgsPalLayerSettings::placement
Qgis::LabelPlacement placement
Label placement mode.
Definition qgspallabeling.h:389
QgsPalLayerSettings::isExpression
bool isExpression
true if this label is made from a expression string, e.g., FieldName || 'mm'
Definition qgspallabeling.h:315
QgsPalLayerSettings::lineSettings
const QgsLabelLineSettings & lineSettings() const
Returns the label line settings, which contain settings related to how the label engine places and fo...
Definition qgspallabeling.h:754
QgsPalLayerSettings::fieldName
QString fieldName
Name of field (or an expression) to use for label text.
Definition qgspallabeling.h:309
QgsPalLayerSettings::pointSettings
const QgsLabelPointSettings & pointSettings() const
Returns the label point settings, which contain settings related to how the label engine places and f...
Definition qgspallabeling.h:783
QgsPoint
Point geometry type, with support for z-dimension and m-values.
Definition qgspoint.h:49
QgsPoint::clear
void clear() override
Clears the geometry, ie reset it to a null geometry.
Definition qgspoint.cpp:361
QgsPoint::z
double z
Definition qgspoint.h:54
QgsPoint::x
double x
Definition qgspoint.h:52
QgsPoint::isEmpty
bool isEmpty() const override
Returns true if the geometry is empty.
Definition qgspoint.cpp:738
QgsPoint::m
double m
Definition qgspoint.h:55
QgsPoint::y
double y
Definition qgspoint.h:53
QgsPolygon
Polygon geometry type.
Definition qgspolygon.h:33
QgsProperty
A store for object properties.
Definition qgsproperty.h:228
QgsProperty::setTransformer
void setTransformer(QgsPropertyTransformer *transformer)
Sets an optional transformer to use for manipulating the calculated values for the property.
Definition qgsproperty.cpp:862
QgsProperty::fromField
static QgsProperty fromField(const QString &fieldName, bool isActive=true)
Returns a new FieldBasedProperty created from the specified field name.
Definition qgsproperty.cpp:242
QgsRectangle
A rectangle specified with double values.
Definition qgsrectangle.h:42
QgsRectangle::intersects
bool intersects(const QgsRectangle &rect) const
Returns true when rectangle intersects with other rectangle.
Definition qgsrectangle.h:370
QgsRendererCategory
Represents an individual category (class) from a QgsCategorizedSymbolRenderer.
Definition qgscategorizedsymbolrenderer.h:36
QgsRendererRange::setUpperValue
void setUpperValue(double upperValue)
Sets the upper bound of the range.
Definition qgsrendererrange.cpp:108
QgsRendererRange::setSymbol
void setSymbol(QgsSymbol *s)
Sets the symbol used for the range.
Definition qgsrendererrange.cpp:98
QgsRendererRange::setLabel
void setLabel(const QString &label)
Sets the label used for the range.
Definition qgsrendererrange.cpp:103
QgsRendererRange::setLowerValue
void setLowerValue(double lowerValue)
Sets the lower bound of the range.
Definition qgsrendererrange.cpp:113
QgsRuleBasedLabeling::Rule
A child rule for QgsRuleBasedLabeling.
Definition qgsrulebasedlabeling.h:54
QgsRuleBasedLabeling::Rule::setActive
void setActive(bool state)
Sets if this rule is active.
Definition qgsrulebasedlabeling.h:170
QgsRuleBasedLabeling::Rule::appendChild
void appendChild(QgsRuleBasedLabeling::Rule *rule)
add child rule, take ownership, sets this as parent
Definition qgsrulebasedlabeling.cpp:181
QgsRuleBasedLabeling
Rule based labeling for a vector layer.
Definition qgsrulebasedlabeling.h:42
QgsSymbol
Abstract base class for all rendered symbols.
Definition qgssymbol.h:231
QgsTextBufferSettings
Container for settings relating to a text buffer.
Definition qgstextbuffersettings.h:42
QgsTextBufferSettings::setColor
void setColor(const QColor &color)
Sets the color for the buffer.
Definition qgstextbuffersettings.cpp:120
QgsTextBufferSettings::setSizeUnit
void setSizeUnit(Qgis::RenderUnit unit)
Sets the units used for the buffer size.
Definition qgstextbuffersettings.cpp:100
QgsTextBufferSettings::setEnabled
void setEnabled(bool enabled)
Sets whether the text buffer will be drawn.
Definition qgstextbuffersettings.cpp:80
QgsTextBufferSettings::setSize
void setSize(double size)
Sets the size of the buffer.
Definition qgstextbuffersettings.cpp:90
QgsTextFormat
Container for all settings relating to text rendering.
Definition qgstextformat.h:41
QgsTextFormat::setColor
void setColor(const QColor &color)
Sets the color that text will be rendered in.
Definition qgstextformat.cpp:310
QgsTextFormat::setSize
void setSize(double size)
Sets the size for rendered text.
Definition qgstextformat.cpp:299
QgsTextFormat::setFont
void setFont(const QFont &font)
Sets the font used for rendering text.
Definition qgstextformat.cpp:214
QgsTextFormat::setSizeUnit
void setSizeUnit(Qgis::RenderUnit unit)
Sets the units for the size of rendered text.
Definition qgstextformat.cpp:277
QgsTextFormat::setBuffer
void setBuffer(const QgsTextBufferSettings &bufferSettings)
Sets the text's buffer settings.
Definition qgstextformat.cpp:125
QgsVariantUtils::isNull
static bool isNull(const QVariant &variant, bool silenceNullWarnings=false)
Returns true if the specified variant should be considered a NULL value.
Definition qgsvariantutils.cpp:169
QgsWkbTypes::zmType
static Qgis::WkbType zmType(Qgis::WkbType type, bool hasZ, bool hasM)
Returns the modified input geometry type according to hasZ / hasM.
Definition qgswkbtypes.h:782
QgsWkbTypes::hasZ
static bool hasZ(Qgis::WkbType type)
Tests whether a WKB type contains the z-dimension.
Definition qgswkbtypes.h:1044
QgsWkbTypes::hasM
static bool hasM(Qgis::WkbType type)
Tests whether a WKB type contains m values.
Definition qgswkbtypes.h:1098
QgsWkbTypes::flatType
static Qgis::WkbType flatType(Qgis::WkbType type)
Returns the flat type for a WKB type.
Definition qgswkbtypes.h:671
MathUtils::angle
double ANALYSIS_EXPORT angle(QgsPoint *p1, QgsPoint *p2, QgsPoint *p3, QgsPoint *p4)
Calculates the angle between two segments (in 2 dimension, z-values are ignored)
Definition MathUtils.cpp:716
qgsDoubleNear
bool qgsDoubleNear(double a, double b, double epsilon=4 *std::numeric_limits< double >::epsilon())
Compare two doubles (but allow some difference)
Definition qgis.h:5917
QgsCategoryList
QList< QgsRendererCategory > QgsCategoryList
Definition qgscategorizedsymbolrenderer.h:157
QgsGradientStopsList
QList< QgsGradientStop > QgsGradientStopsList
List of gradient stops.
Definition qgscolorrampimpl.h:121
QgsDebugError
#define QgsDebugError(str)
Definition qgslogger.h:38
QgsSymbolLayerList
QList< QgsSymbolLayer * > QgsSymbolLayerList
Definition qgssymbol.h:30
crs
const QgsCoordinateReferenceSystem & crs
Definition qgswfsgetfeature.cpp:53
Generated on Sun Nov 10 2024 14:15:43 for QGIS API Documentation by doxygen 1.9.8