31 #include "qgssettingsregistrycore.h"
47 , mCaptureMode( mode )
48 , mCaptureModeFromLayer( mode == CaptureNone )
55 this, &QgsMapToolCapture::currentLayerChanged );
60 mExtraSnapLayer =
new QgsVectorLayer( QStringLiteral(
"LineString?crs=" ), QStringLiteral(
"extra snap" ), QStringLiteral(
"memory" ), layerOptions );
61 mExtraSnapLayer->startEditing();
63 mExtraSnapLayer->addFeature( f );
64 mExtraSnapFeatureId = f.
id();
67 this, &QgsMapToolCapture::updateExtraSnapLayer );
79 mExtraSnapLayer->deleteLater();
80 mExtraSnapLayer =
nullptr;
86 mValidator->deleteLater();
103 if ( mTempRubberBand )
104 mTempRubberBand->show();
112 if ( mTempRubberBand )
113 mTempRubberBand->hide();
121 void QgsMapToolCapture::currentLayerChanged(
QgsMapLayer *layer )
123 if ( !mCaptureModeFromLayer )
150 if ( mTempRubberBand )
157 bool QgsMapToolCapture::tracingEnabled()
165 QgsPointXY QgsMapToolCapture::tracingStartPoint()
170 return mTracingStartPoint;
172 return lastCapturedMapPoint();
198 mTempRubberBand->addPoint( lastCapturedMapPoint() );
204 QgsPoint lastPoint = lastCapturedMapPoint();
206 if ( lastPointXY == pt0 &&
points[0] != lastPointXY )
222 for (
int i = 1; i <
points.count(); ++i )
233 bool QgsMapToolCapture::tracingAddVertex(
const QgsPointXY &point )
239 if ( mTempRubberBand->pointsCount() == 0 )
241 if ( !tracer->
init() )
251 mTracingStartPoint = point;
268 for (
int i = 0; i <
points.count(); ++i )
277 mCaptureCurve.
moveVertex( lastVertexId, layerPoints.first() );
278 mSnappingMatches.removeLast();
281 int pointBefore = mCaptureCurve.
numPoints();
287 if ( QgsSettingsRegistryCore::settingsDigitizingConvertToCurve.value() )
291 if (
capabilities().testFlag( QgsMapToolCapture::Capability::SupportsCurves ) && vlayer->
dataProvider()->
capabilities().testFlag( QgsVectorDataProvider::Capability::CircularGeometries ) )
295 QgsSettingsRegistryCore::settingsDigitizingConvertToCurveAngleTolerance.value(),
296 QgsSettingsRegistryCore::settingsDigitizingConvertToCurveDistanceTolerance.value()
298 mCaptureCurve = *qgsgeometry_cast<QgsCompoundCurve *>( curved.
constGet() );
303 int pointAfter = mCaptureCurve.
numPoints();
304 for ( ; pointBefore < pointAfter; ++pointBefore )
316 QgsMapToolCaptureRubberBand *QgsMapToolCapture::createCurveRubberBand()
const
318 QgsMapToolCaptureRubberBand *rb =
new QgsMapToolCaptureRubberBand(
mCanvas );
322 double alphaScale = QgsSettingsRegistryCore::settingsDigitizingLineColorAlphaScale.value();
323 color.setAlphaF( color.alphaF() * alphaScale );
324 rb->setLineStyle( Qt::DotLine );
325 rb->setStrokeColor( color );
328 rb->setFillColor( fillColor );
333 QgsPoint QgsMapToolCapture::firstCapturedMapPoint()
335 return mCaptureFirstPoint;
338 QgsPoint QgsMapToolCapture::lastCapturedMapPoint()
340 return mCaptureLastPoint;
343 void QgsMapToolCapture::resetRubberBand()
361 if ( mTempRubberBand )
362 mTempRubberBand->setStringType( mDigitizingType );
367 mStreamingEnabled = enable;
368 mStartNewCurve =
true;
371 mStreamingToleranceInPixels = QgsSettingsRegistryCore::settingsDigitizingStreamTolerance.value();
384 if ( mCaptureMode !=
CapturePoint && mTempRubberBand && mCapturing )
386 bool hasTrace =
false;
388 if ( mStreamingEnabled )
390 if ( !mCaptureCurve.
isEmpty() )
397 mAllowAddingStreamingPoints =
true;
399 mAllowAddingStreamingPoints =
false;
401 else if ( tracingEnabled() && mCaptureCurve.
numPoints() != 0 )
408 mTempRubberBand->curveIsComplete() )
409 mCircularItermediatePoint = mTempRubberBand->pointFromEnd( 1 );
411 !mTempRubberBand->curveIsComplete() )
412 mCircularItermediatePoint =
QgsPoint();
414 hasTrace = tracingMouseMove( e );
420 mTempRubberBand->addPoint( lastCapturedMapPoint() );
421 if ( !mCircularItermediatePoint.
isEmpty() )
423 mTempRubberBand->movePoint( mCircularItermediatePoint );
424 mTempRubberBand->addPoint( mCircularItermediatePoint );
429 if ( !mStreamingEnabled && !hasTrace )
433 const QgsPoint mapPt = lastCapturedMapPoint();
435 if ( mTempRubberBand )
437 mTempRubberBand->movePoint(
mapPoint );
438 mTempRubberBand->movePoint( 0, mapPt );
445 else if ( mTempRubberBand )
446 mTempRubberBand->movePoint(
mapPoint );
457 QgsDebugMsg( QStringLiteral(
"no vector layer" ) );
472 QgsDebugMsg( QStringLiteral(
"transformation to layer coordinate failed" ) );
490 ( sourceLayer->
crs() == vlayer->
crs() ) )
508 QgsLineString line( geom.constGet()->vertexAt( vId ), geom.constGet()->vertexAt( vId2 ) );
514 layerPoint = geom.constGet()->
vertexAt( vId );
554 QgsDebugMsg( QStringLiteral(
"invalid capture mode" ) );
558 if ( mCapturing && mStreamingEnabled && !mAllowAddingStreamingPoints )
577 mSnappingMatches.append( match );
581 if ( mCaptureFirstPoint.
isEmpty() )
589 if ( !mTempRubberBand )
591 mTempRubberBand.reset( createCurveRubberBand() );
592 mTempRubberBand->setStringType( mDigitizingType );
596 bool traceCreated =
false;
597 if ( tracingEnabled() )
599 traceCreated = tracingAddVertex(
mapPoint );
604 mTracingStartPoint = traceCreated ? point :
QgsPointXY();
609 mTempRubberBand->movePoint(
mapPoint );
610 if ( mTempRubberBand->curveIsComplete() )
612 const QgsCurve *curve = mTempRubberBand->curve();
618 if ( match.
isValid() && mSnappingMatches.count() > 0 && !mSnappingMatches.last().isValid() )
620 mSnappingMatches.removeLast();
624 mSnappingMatches.removeLast();
625 mSnappingMatches.append( mCircularIntermediateMatch );
627 mSnappingMatches.append( match );
633 else if ( mTempRubberBand->pointsCount() == 0 )
637 mSnappingMatches.append( match );
643 mCircularIntermediateMatch = match;
647 mTempRubberBand->addPoint(
mapPoint );
652 mTempRubberBand->addPoint( lastCapturedMapPoint() );
656 updateExtraSnapLayer();
674 if ( mTempRubberBand )
678 mTempRubberBand->addPoint( endPt );
695 mCaptureCurve.
addCurve(
c, !mStartNewCurve );
696 mStartNewCurve =
false;
699 int addedPoint = countAfter - countBefore;
701 updateExtraSnapLayer();
703 for (
int i = 0; i < addedPoint; ++i )
713 mCaptureCurve.
clear();
714 updateExtraSnapLayer();
719 return mSnappingMatches;
726 if ( mTempRubberBand )
728 if (
size() <= 1 && mTempRubberBand->pointsCount() != 0 )
731 if ( isAutoRepeat && mIgnoreSubsequentAutoRepeatUndo )
733 mIgnoreSubsequentAutoRepeatUndo =
false;
735 QgsPoint lastPoint = mTempRubberBand->lastPoint();
739 mTempRubberBand->removeLastPoint();
740 mTempRubberBand->movePoint( lastPoint );
745 vertexToRemove.
part = 0;
746 vertexToRemove.
ring = 0;
758 const int curvesBefore = mCaptureCurve.
nCurves();
759 const bool lastCurveIsLineString = qgsgeometry_cast< QgsLineString * >( mCaptureCurve.
curveAt( curvesBefore - 1 ) );
761 int pointsCountBefore = mCaptureCurve.
numPoints();
763 int pointsCountAfter = mCaptureCurve.
numPoints();
764 for ( ; pointsCountAfter < pointsCountBefore; pointsCountAfter++ )
765 if ( !mSnappingMatches.empty() )
766 mSnappingMatches.removeLast();
772 if ( mCaptureCurve.
nCurves() < curvesBefore && lastCurveIsLineString )
773 mIgnoreSubsequentAutoRepeatUndo =
true;
776 updateExtraSnapLayer();
786 mTempRubberBand->addPoint( lastCapturedMapPoint() );
787 mTempRubberBand->movePoint( lastPoint );
797 if ( e->key() == Qt::Key_Backspace || e->key() == Qt::Key_Delete )
799 undo( e->isAutoRepeat() );
804 else if ( e->key() == Qt::Key_Escape )
829 qDeleteAll( mGeomErrorMarkers );
830 mGeomErrorMarkers.clear();
839 mCaptureCurve.
clear();
840 updateExtraSnapLayer();
841 mSnappingMatches.clear();
843 lCurrentVectorLayer->triggerRepaint();
848 mTempRubberBand.reset();
859 mCaptureCurve.
close();
860 updateExtraSnapLayer();
863 void QgsMapToolCapture::validateGeometry()
865 if ( QgsSettingsRegistryCore::settingsDigitizingValidateGeometries.value() == 0 )
870 mValidator->deleteLater();
871 mValidator =
nullptr;
875 while ( !mGeomErrorMarkers.isEmpty() )
877 delete mGeomErrorMarkers.takeFirst();
882 switch ( mCaptureMode )
896 exteriorRing->
close();
907 if ( QgsSettingsRegistryCore::settingsDigitizingValidateGeometries.value() == 2 )
928 vm->setToolTip( e.
what() );
930 vm->setZValue( vm->zValue() + 1 );
931 mGeomErrorMarkers << vm;
942 QVector<QgsPointXY> pointsXY;
951 mCaptureCurve.
points( pts );
958 mCaptureCurve.
clear();
960 updateExtraSnapLayer();
961 mSnappingMatches.clear();
962 for (
int i = 0; i < line->
length(); ++i )
970 mCaptureCurve.
clear();
972 updateExtraSnapLayer();
973 mSnappingMatches.clear();
974 for (
int i = 0; i < line->
length(); ++i )
1043 void QgsMapToolCapture::updateExtraSnapLayer()
1045 if ( !mExtraSnapLayer )
1056 qgsgeometry_cast<QgsCompoundCurve *>( geom.
get() )->close();
1070 setVertexDrawingEnabled(
false );
1073 QgsCurve *QgsMapToolCaptureRubberBand::curve()
1075 if ( mPoints.empty() )
1078 switch ( mStringType )
1084 if ( mPoints.count() != 3 )
1096 bool QgsMapToolCaptureRubberBand::curveIsComplete()
const
1108 mFirstPolygonPoint = firstPolygonPoint;
1109 setStringType( stringType );
1110 setRubberBandGeometryType( geomType );
1119 void QgsMapToolCaptureRubberBand::addPoint(
const QgsPoint &point,
bool doUpdate )
1121 if ( mPoints.count() == 0 )
1122 mPoints.append( point );
1124 mPoints.append( point );
1130 void QgsMapToolCaptureRubberBand::movePoint(
const QgsPoint &point )
1132 if ( mPoints.count() > 0 )
1133 mPoints.last() = point ;
1138 void QgsMapToolCaptureRubberBand::movePoint(
int index,
const QgsPoint &point )
1140 if ( mPoints.count() > 0 && mPoints.size() > index )
1141 mPoints[index] = point;
1146 int QgsMapToolCaptureRubberBand::pointsCount()
1148 return mPoints.size();
1156 void QgsMapToolCaptureRubberBand::setStringType(
const QgsWkbTypes::Type &type )
1164 mPoints.removeAt( 1 );
1171 QgsPoint QgsMapToolCaptureRubberBand::lastPoint()
const
1173 if ( mPoints.empty() )
1176 return mPoints.last();
1179 QgsPoint QgsMapToolCaptureRubberBand::pointFromEnd(
int posFromEnd )
const
1181 if ( posFromEnd < mPoints.size() )
1182 return mPoints.at( mPoints.size() - 1 - posFromEnd );
1187 void QgsMapToolCaptureRubberBand::removeLastPoint()
1189 if ( mPoints.count() > 1 )
1190 mPoints.removeLast();
1200 void QgsMapToolCaptureRubberBand::updateCurve()
1202 std::unique_ptr<QgsCurve> curve;
1203 switch ( mStringType )
1206 curve.reset( createLinearString() );
1209 curve.reset( createCircularString() );
1219 geom->setExteriorRing( curve.release() );
1220 setGeometry( geom.release() );
1224 setGeometry( curve.release() );
1228 QgsCurve *QgsMapToolCaptureRubberBand::createLinearString()
1234 points.prepend( mFirstPolygonPoint );
1235 curve->setPoints( points );
1238 curve->setPoints( mPoints );
1240 return curve.release();
1243 QgsCurve *QgsMapToolCaptureRubberBand::createCircularString()
1246 curve->setPoints( mPoints );
1251 polygonCurve->addVertex( mFirstPolygonPoint );
1252 if ( !mPoints.empty() )
1253 polygonCurve->addVertex( mPoints.first() );
1254 polygonCurve->addCurve( curve.release() );
1255 return polygonCurve.release();
1258 return curve.release();
T * release()
Clears the pointer and returns it.
void reset(T *p=nullptr)
Will reset the managed pointer to p.
Abstract base class for all geometries.
bool is3D() const SIP_HOLDGIL
Returns true if the geometry is 3D and contains a z-value.
QgsWkbTypes::Type wkbType() const SIP_HOLDGIL
Returns the WKB type of the geometry.
bool isMeasure() const SIP_HOLDGIL
Returns true if the geometry contains m values.
static QCursor getThemeCursor(Cursor cursor)
Helper to get a theme cursor.
Circular string geometry type.
Compound curve geometry type.
QgsLineString * curveToLine(double tolerance=M_PI_2/90, SegmentationToleranceType toleranceType=MaximumAngle) const override
Returns a new line string geometry corresponding to a segmentized approximation of the curve.
void close()
Appends first point if not already closed.
QgsPoint endPoint() const override SIP_HOLDGIL
Returns the end point of the curve.
const QgsCurve * curveAt(int i) const SIP_HOLDGIL
Returns the curve at the specified index.
int numPoints() const override SIP_HOLDGIL
Returns the number of points in the curve.
void removeCurve(int i)
Removes a curve from the geometry.
void addCurve(QgsCurve *c, bool extendPrevious=false)
Adds a curve to the geometry (takes ownership).
bool moveVertex(QgsVertexId position, const QgsPoint &newPos) override
Moves a vertex within the geometry.
bool deleteVertex(QgsVertexId position) override
Deletes a vertex within the geometry.
QgsCompoundCurve * clone() const override
Clones the geometry by performing a deep copy.
void points(QgsPointSequence &pts) const override
Returns a list of points within the curve.
void clear() override
Clears the geometry, ie reset it to a null geometry.
QgsPoint startPoint() const override SIP_HOLDGIL
Returns the starting point of the curve.
bool isEmpty() const override SIP_HOLDGIL
Returns true if the geometry is empty.
void addVertex(const QgsPoint &pt)
Adds a vertex to the end of the geometry.
int nCurves() const SIP_HOLDGIL
Returns the number of curves in the geometry.
Custom exception class for Coordinate Reference System related exceptions.
Curve polygon geometry type.
Abstract base class for curved geometry type.
QgsCurve * segmentize(double tolerance=M_PI_2/90, SegmentationToleranceType toleranceType=MaximumAngle) const override
Returns a geometry without curves.
int vertexCount(int part=0, int ring=0) const override
Returns the number of vertices of which this geometry is built.
QgsCurve * clone() const override=0
Clones the geometry by performing a deep copy.
virtual QgsPoint endPoint() const =0
Returns the end point of the curve.
bool nextFeature(QgsFeature &f)
This class wraps a request for features to a vector layer (or directly its vector data provider).
QgsFeatureRequest & setFilterFid(QgsFeatureId fid)
Sets feature ID that should be fetched.
The feature class encapsulates a single feature including its unique ID, geometry and a list of field...
A rubberband class for QgsAbstractGeometry (considering curved geometries).
void setGeometryType(const QgsWkbTypes::GeometryType &geometryType)
Sets which geometry is handled by the rubber band, polygon or line.
virtual void setGeometry(QgsAbstractGeometry *geom)
Sets geometry (takes ownership). Geometry is expected to be in map coordinates.
static QgsPoint closestPoint(const QgsAbstractGeometry &geometry, const QgsPoint &point)
Returns the nearest point on a segment of a geometry for the specified point.
void errorFound(const QgsGeometry::Error &error)
Sent when an error has been found during the validation process.
bool hasWhere() const
true if the location available from
QgsPointXY where() const
The coordinates at which the error is located and should be visualized.
QString what() const
A human readable error message containing details about the error.
A geometry is the spatial representation of a feature.
const QgsAbstractGeometry * constGet() const SIP_HOLDGIL
Returns a non-modifiable (const) reference to the underlying abstract geometry primitive.
bool vertexIdFromVertexNr(int number, QgsVertexId &id) const
Calculates the vertex ID from a vertex number.
QgsPoint vertexAt(int atVertex) const
Returns coordinates of a vertex.
QgsAbstractGeometry * get()
Returns a modifiable (non-const) reference to the underlying abstract geometry primitive.
QgsGeometry convertToCurves(double distanceTolerance=1e-8, double angleTolerance=1e-8) const
Attempts to convert a non-curved geometry into a curved geometry type (e.g.
static void convertPointList(const QVector< QgsPointXY > &input, QgsPointSequence &output)
Upgrades a point list from QgsPointXY to QgsPoint.
ValidationMethod
Available methods for validating geometries.
@ ValidatorQgisInternal
Use internal QgsGeometryValidator method.
@ ValidatorGeos
Use GEOS validation methods.
Line string geometry type, with support for z-dimension and m-values.
double length() const override SIP_HOLDGIL
Returns the planar, 2-dimensional length of the geometry.
void close()
Closes the line string by appending the first point to the end of the line, if it is not already clos...
Extension of QgsTracer that provides extra functionality:
QAction * actionEnableTracing() const
Access to action that user may use to toggle tracing on/off. May be nullptr if no action was associat...
void reportError(PathError err, bool addingVertex)
Report a path finding error to the user.
static QgsMapCanvasTracer * tracerForCanvas(QgsMapCanvas *canvas)
Retrieve instance of this class associated with given canvas (if any).
QAction * actionEnableSnapping() const
Access to action that user may use to toggle snapping on/off.
Map canvas is a class for displaying all GIS data types on a canvas.
void currentLayerChanged(QgsMapLayer *layer)
Emitted when the current layer is changed.
QgsSnappingUtils * snappingUtils() const
Returns snapping utility class that is associated with map canvas.
const QgsMapSettings & mapSettings() const
Gets access to properties used for map rendering.
QgsMapLayer * currentLayer()
returns current layer (set by legend widget)
Base class for all map layer types.
QgsCoordinateReferenceSystem crs
void setCrs(const QgsCoordinateReferenceSystem &srs, bool emitSignal=true)
Sets layer's spatial reference system.
A QgsMapMouseEvent is the result of a user interaction with the mouse on a QgsMapCanvas.
bool isSnapped() const
Returns true if there is a snapped point cached.
QgsPointXY mapPoint() const
mapPoint returns the point in coordinates
QgsPointLocator::Match mapPointMatch() const
Returns the matching data from the most recently snapped point.
QgsPointXY layerToMapCoordinates(const QgsMapLayer *layer, QgsPointXY point) const
transform point coordinates from layer's CRS to output CRS
QgsCoordinateTransform layerTransform(const QgsMapLayer *layer) const
Returns the coordinate transform from layer's CRS to destination CRS.
A class to represent a 2D point.
double distance(double x, double y) const SIP_HOLDGIL
Returns the distance between this point and a specified x, y coordinate.
Point geometry type, with support for z-dimension and m-values.
bool addMValue(double mValue=0) override
Adds a measure to the geometry, initialized to a preset value.
bool dropMValue() override
Drops any measure values which exist in the geometry.
bool isEmpty() const override SIP_HOLDGIL
Returns true if the geometry is empty.
bool addZValue(double zValue=0) override
Adds a z-dimension to the geometry, initialized to a preset value.
void setZ(double z) SIP_HOLDGIL
Sets the point's z-coordinate.
QgsPoint vertexAt(QgsVertexId) const override
Returns the point corresponding to a specified vertex id.
bool dropZValue() override
Drops any z-dimensions which exist in the geometry.
void setExteriorRing(QgsCurve *ring) override
Sets the exterior ring of the polygon.
static QgsProject * instance()
Returns the QgsProject singleton instance.
void snappingConfigChanged(const QgsSnappingConfig &config)
Emitted whenever the configuration for snapping has changed.
A class for drawing transient features (e.g.
void movePoint(const QgsPointXY &p, int geometryIndex=0, int ringIndex=0)
Moves the rubber band point specified by index.
const QgsPointXY * getPoint(int i, int j=0, int ringIndex=0) const
Returns a vertex.
void addGeometry(const QgsGeometry &geometry, QgsVectorLayer *layer, bool doUpdate=true)
Adds the geometry of an existing feature to a rubberband This is useful for multi feature highlightin...
void reset(QgsWkbTypes::GeometryType geometryType=QgsWkbTypes::LineGeometry)
Clears all the geometries in this rubberband.
int numberOfVertices() const
Returns count of vertices in all lists of mPoint.
Class that shows snapping marker on map canvas for the current snapping match.
void addExtraSnapLayer(QgsVectorLayer *vl)
Supply an extra snapping layer (typically a memory layer).
void removeExtraSnapLayer(QgsVectorLayer *vl)
Removes an extra snapping layer.
bool isPointSnapped(const QgsPointXY &pt)
Find out whether the point is snapped to a vertex or edge (i.e. it can be used for tracing start/stop...
QVector< QgsPointXY > findShortestPath(const QgsPointXY &p1, const QgsPointXY &p2, PathError *error=nullptr)
Given two points, find the shortest path and return points on the way.
PathError
Possible errors that may happen when calling findShortestPath()
@ ErrTooManyFeatures
Max feature count threshold was reached while reading features.
bool init()
Build the internal data structures.
virtual Q_INVOKABLE QgsVectorDataProvider::Capabilities capabilities() const
Returns flags containing the supported capabilities.
Represents a vector layer which manages a vector based data sets.
Q_INVOKABLE QgsWkbTypes::Type wkbType() const FINAL
Returns the WKBType or WKBUnknown in case of error.
Q_INVOKABLE QgsWkbTypes::GeometryType geometryType() const
Returns point, line or polygon.
QgsFeatureIterator getFeatures(const QgsFeatureRequest &request=QgsFeatureRequest()) const FINAL
Queries the layer for features specified in request.
QgsVectorDataProvider * dataProvider() FINAL
Returns the layer's data provider, it may be nullptr.
QgsFeature getFeature(QgsFeatureId fid) const
Queries the layer for the feature with the given id.
bool changeGeometry(QgsFeatureId fid, QgsGeometry &geometry, bool skipDefaultValue=false)
Changes a feature's geometry within the layer's edit buffer (but does not immediately commit the chan...
A class for marking vertices of features using e.g.
void setPenWidth(int width)
void setCenter(const QgsPointXY &point)
Sets the center point of the marker, in map coordinates.
void setIconType(int iconType)
void setColor(const QColor &color)
Sets the stroke color for the marker.
GeometryType
The geometry types are used to group QgsWkbTypes::Type in a coarse way.
static bool hasM(Type type) SIP_HOLDGIL
Tests whether a WKB type contains m values.
Type
The WKB type describes the number of dimensions a geometry has.
static bool hasZ(Type type) SIP_HOLDGIL
Tests whether a WKB type contains the z-dimension.
As part of the API refactoring and improvements which landed in the Processing API was substantially reworked from the x version This was done in order to allow much of the underlying Processing framework to be ported into c
QVector< QgsPoint > QgsPointSequence
#define QgsDebugMsgLevel(str, level)
QgsVectorLayer * layer() const
The vector layer where the snap occurred.
QgsFeatureId featureId() const
The id of the feature to which the snapped geometry belongs.
QgsPointXY point() const
for vertex / edge match coords depending on what class returns it (geom.cache: layer coords,...
bool hasEdge() const
Returns true if the Match is an edge.
bool hasLineEndpoint() const
Returns true if the Match is a line endpoint (start or end vertex).
bool hasMiddleSegment() const
Returns true if the Match is the middle of a segment.
int vertexIndex() const
for vertex / edge match (first vertex of the edge)
bool hasVertex() const
Returns true if the Match is a vertex.
Setting options for loading vector layers.
bool skipCrsValidation
Controls whether the layer is allowed to have an invalid/unknown CRS.
bool loadDefaultStyle
Set to true if the default layer style should be loaded.
Utility class for identifying a unique vertex within a geometry.