52 const QString &baseName,
53 const QString &providerKey,
63 QgsDataProvider::ReadFlags
flags = QgsDataProvider::ReadFlags();
68 QgsMeshLayer::setDataSourcePrivate( meshLayerPath, baseName, providerKey, providerOptions,
flags );
81void QgsMeshLayer::createSimplifiedMeshes()
85 if ( mSimplificationSettings.
isEnabled() && !hasSimplifiedMeshes() )
87 const double reductionFactor = mSimplificationSettings.
reductionFactor();
89 QVector<QgsTriangularMesh *> simplifyMeshes =
90 mTriangularMeshes[0]->simplifyMesh( reductionFactor );
92 for (
int i = 0; i < simplifyMeshes.count() ; ++i )
94 mTriangularMeshes.emplace_back( simplifyMeshes[i] );
99bool QgsMeshLayer::hasSimplifiedMeshes()
const
104 return ( mTriangularMeshes.size() > 1 );
109 delete mDataProvider;
116 return mDataProvider;
123 return mDataProvider;
138 layer->mElevationProperties = mElevationProperties->
clone();
139 layer->mElevationProperties->setParent( layer );
149 return mMeshEditor->
extent();
152 return mDataProvider->
extent();
172 if ( !mDataProvider )
189 for (
const int index : groupsList )
190 assignDefaultStyleToDatasetGroup( index );
194 if ( !groupsList.isEmpty() )
200 if ( meta.
maximum() == std::numeric_limits<double>::quiet_NaN() &&
201 meta.
minimum() == std::numeric_limits<double>::quiet_NaN() )
212 for (
const int i : groupsList )
214 assignDefaultStyleToDatasetGroup( i );
233 applyClassificationOnScalarSettings( meta, scalarSettings );
238 if ( !groupsList.isEmpty() )
252 if ( mDatasetGroupStore->addPersistentDatasets( path ) )
254 mExtraDatasetUri.append( path );
256 if ( !isTemporalBefore &&
dataProvider()->temporalCapabilities()->hasTemporalCapabilities() )
263 QDateTime referenceTime = defaultReferenceTime;
264 if ( !defaultReferenceTime.isValid() )
265 referenceTime = QDateTime( QDate::currentDate(), QTime( 0, 0, 0 ), Qt::UTC );
282 if ( mDatasetGroupStore->addDatasetGroup( datasetGroup ) )
294 return mDatasetGroupStore->saveDatasetGroup( path, datasetGroupIndex, driver );
301 return mNativeMesh.get();
308 return mNativeMesh.get();
315 for (
const std::unique_ptr<QgsTriangularMesh> &lod : mTriangularMeshes )
317 if ( lod && lod->averageTriangleSize() > minimumTriangleSize )
321 if ( !mTriangularMeshes.empty() )
322 return mTriangularMeshes.back().get();
331 return mTriangularMeshes.size();
338 if ( mTriangularMeshes.empty() )
341 return mTriangularMeshes.front().get();
343 if ( lodIndex >=
int( mTriangularMeshes.size() ) )
344 return mTriangularMeshes.back().get();
346 return mTriangularMeshes.at( lodIndex ).get();
361 if ( mTriangularMeshes.empty() )
364 mTriangularMeshes.emplace_back( baseMesh );
367 if ( mTriangularMeshes[0].get()->update( mNativeMesh.get(), transform ) )
368 mTriangularMeshes.resize( 1 );
370 createSimplifiedMeshes();
377 return mRendererCache.get();
384 return mRendererSettings;
393 mRendererSettings = settings;
409 return mTimeSettings;
416 mTimeSettings = settings;
425 return QgsMeshLayerUtils::formatTime( hours, mTemporalProperties->
referenceTime(), mTimeSettings );
427 return QgsMeshLayerUtils::formatTime( hours, QDateTime(), mTimeSettings );
434 return mDatasetGroupStore->datasetGroupCount();
441 return mDatasetGroupStore->extraDatasetGroupCount();
448 return mDatasetGroupStore->datasetGroupIndexes();
455 return mDatasetGroupStore->enabledDatasetGroupIndexes();
462 return mDatasetGroupStore->datasetGroupMetadata( index );
469 return mDatasetGroupStore->datasetCount( index.
group() );
476 return mDatasetGroupStore->datasetMetadata( index );
483 return mDatasetGroupStore->datasetValue( index, valueIndex );
490 return mDatasetGroupStore->datasetValues( index, valueIndex, count );
497 return mDatasetGroupStore->dataset3dValues( index, faceIndex, count );
504 return mDatasetGroupStore->areFacesActive( index, faceIndex, count );
511 return mDatasetGroupStore->isFaceActive( index, faceIndex );
525 const QgsRectangle searchRectangle( point.
x() - searchRadius, point.
y() - searchRadius, point.
x() + searchRadius, point.
y() + searchRadius );
529 if ( faceIndex >= 0 )
546 const int v1 = face[0], v2 = face[1], v3 = face[2];
551 const double x = QgsMeshLayerUtils::interpolateFromVerticesData( p1, p2, p3, val1.
x(), val2.
x(), val3.
x(), point );
552 double y = std::numeric_limits<double>::quiet_NaN();
555 y = QgsMeshLayerUtils::interpolateFromVerticesData( p1, p2, p3, val1.
y(), val2.
y(), val3.
y(), point );
570 value = block2d.
value( 0 );
600 if ( faceIndex >= 0 )
616 const int selectedIndex = closestEdge( point, searchRadius, projectedPoint );
618 if ( selectedIndex >= 0 )
632 const int v1 = edge.first, v2 = edge.second;
636 const double edgeLength = p1.
distance( p2 );
637 const double dist1 = p1.
distance( projectedPoint.
x(), projectedPoint.
y() );
638 value = QgsMeshLayerUtils::interpolateFromVerticesData( dist1 / edgeLength, val1, val2 );
662 if ( ! mTemporalProperties->
isActive() )
665 const QDateTime layerReferenceTime = mTemporalProperties->
referenceTime();
666 QDateTime utcTime = timeRange.
begin();
667 if ( utcTime.timeSpec() != Qt::UTC )
668 utcTime.setTimeSpec( Qt::UTC );
669 const qint64 startTime = layerReferenceTime.msecsTo( utcTime );
671 return mDatasetGroupStore->datasetIndexAtTime( startTime, datasetGroupIndex, mTemporalProperties->
matchingMethod() );
678 return mDatasetGroupStore->datasetIndexAtTime( relativeTime.
seconds() * 1000, datasetGroupIndex, mTemporalProperties->
matchingMethod() );
685 qint64 usedRelativeTime1 = startRelativeTime.
seconds() * 1000;
686 qint64 usedRelativeTime2 = endRelativeTime.
seconds() * 1000;
698 return mDatasetGroupStore->datasetIndexInTimeInterval( usedRelativeTime1, usedRelativeTime2, datasetGroupIndex );
705 if ( meta.
extraOptions().contains( QStringLiteral(
"classification" ) ) )
709 const QStringList classes = meta.
extraOptions()[QStringLiteral(
"classification" )].split( QStringLiteral(
";;" ) );
712 if ( meta.
extraOptions().contains( QStringLiteral(
"units" ) ) )
713 units = meta.
extraOptions()[ QStringLiteral(
"units" )];
715 QVector<QVector<double>> bounds;
716 for (
const QString &classe : classes )
718 const QStringList boundsStr = classe.split(
',' );
719 QVector<double> bound;
720 for (
const QString &boundStr : boundsStr )
721 bound.append( boundStr.toDouble() );
722 bounds.append( bound );
725 if ( ( bounds.count() == 1 && bounds.first().count() > 2 ) ||
726 ( bounds.count() > 1 ) )
728 const QVector<double> firstClass = bounds.first();
729 const QVector<double> lastClass = bounds.last();
730 const double minValue = firstClass.count() > 1 ? ( firstClass.first() + firstClass.last() ) / 2 : firstClass.first();
731 const double maxValue = lastClass.count() > 1 ? ( lastClass.first() + lastClass.last() ) / 2 : lastClass.first();
732 const double diff = maxValue - minValue;
733 QList<QgsColorRampShader::ColorRampItem> colorRampItemlist;
734 for (
int i = 0; i < bounds.count(); ++i )
736 const QVector<double> &boundClass = bounds.at( i );
739 if ( !boundClass.isEmpty() )
741 const double scalarValue = ( boundClass.first() + boundClass.last() ) / 2;
742 item.
color = colorRamp->
color( ( scalarValue - minValue ) / diff );
743 if ( i != 0 && i < bounds.count() - 1 )
745 item.
label = QString( (
"%1 - %2 %3" ) ).
746 arg( QString::number( boundClass.first() ) ).
747 arg( QString::number( boundClass.last() ) ).
751 colorRampItemlist.append( item );
754 if ( firstClass.count() == 1 )
755 colorRampItemlist.first().label = QObject::tr(
"below %1 %2" ).
756 arg( QString::number( firstClass.first() ) ).
760 colorRampItemlist.first().label = QString( (
"%1 - %2 %3" ) ).
761 arg( QString::number( firstClass.first() ) ).
762 arg( QString::number( firstClass.last() ) ).
766 if ( lastClass.count() == 1 )
767 colorRampItemlist.last().label = QObject::tr(
"above %1 %2" ).
768 arg( QString::number( lastClass.first() ) ).
772 colorRampItemlist.last().label = QString( (
"%1 - %2 %3" ) ).
773 arg( QString::number( lastClass.first() ) ).
774 arg( QString::number( lastClass.last() ) ).
795 if ( mTemporalProperties->
isActive() )
805 if ( mTemporalProperties->
isActive() )
811void QgsMeshLayer::fillNativeMesh()
815 Q_ASSERT( !mNativeMesh );
817 mNativeMesh.reset(
new QgsMesh() );
825void QgsMeshLayer::onDatasetGroupsAdded(
const QList<int> &datasetGroupIndexes )
830 for (
int datasetGroupIndex : datasetGroupIndexes )
832 if ( !mRendererSettings.
hasSettings( datasetGroupIndex ) )
833 assignDefaultStyleToDatasetGroup( datasetGroupIndex );
840void QgsMeshLayer::onMeshEdited()
844 mRendererCache.reset(
new QgsMeshLayerRendererCache() );
854 return mDatasetGroupStore->datasetGroupTreeItem();
861 mDatasetGroupStore->setDatasetGroupTreeItem( rootItem );
862 updateActiveDatasetGroups();
865int QgsMeshLayer::closestEdge(
const QgsPointXY &point,
double searchRadius,
QgsPointXY &projectedPoint )
const
869 const QgsRectangle searchRectangle( point.
x() - searchRadius, point.
y() - searchRadius, point.
x() + searchRadius, point.
y() + searchRadius );
873 int selectedIndex = -1;
877 double sqrMaxDistFromPoint = pow( searchRadius, 2 );
878 for (
const int edgeIndex : edgeIndexes )
884 const double sqrDist = point.
sqrDistToSegment( vertex1.
x(), vertex1.
y(), vertex2.
x(), vertex2.
y(), projPoint, 0 );
885 if ( sqrDist < sqrMaxDistFromPoint )
887 selectedIndex = edgeIndex;
888 projectedPoint = projPoint;
889 sqrMaxDistFromPoint = sqrDist;
894 return selectedIndex;
909 mTemporalProperties->
setReferenceTime( referenceTime, lDataProvider->temporalCapabilities() );
928 return exactPosition;
929 const QgsRectangle rectangle( point.
x() - searchRadius, point.
y() - searchRadius, point.
x() + searchRadius, point.
y() + searchRadius );
930 double maxDistance = searchRadius;
932 const QList<int> edgeIndexes = mesh->edgeIndexesForRectangle( rectangle );
933 for (
const int edgeIndex : edgeIndexes )
935 const QgsMeshEdge &edge = mesh->edges().at( edgeIndex );
938 const double dist1 = point.
distance( vertex1 );
939 const double dist2 = point.
distance( vertex2 );
940 if ( dist1 < maxDistance )
943 exactPosition = vertex1;
945 if ( dist2 < maxDistance )
948 exactPosition = vertex2;
953 const QList<int> faceIndexes = mesh->faceIndexesForRectangle( rectangle );
954 for (
const int faceIndex : faceIndexes )
956 const QgsMeshFace &face = mesh->triangles().at( faceIndex );
957 for (
int i = 0; i < 3; ++i )
960 const double dist = point.
distance( vertex );
961 if ( dist < maxDistance )
964 exactPosition = vertex;
969 return exactPosition;
977 closestEdge( point, searchRadius, projectedPoint );
979 return projectedPoint;
989 return centroidPosition;
990 const QgsRectangle rectangle( point.
x() - searchRadius, point.
y() - searchRadius, point.
x() + searchRadius, point.
y() + searchRadius );
991 double maxDistance = std::numeric_limits<double>::max();
993 const QList<int> faceIndexes = mesh->faceIndexesForRectangle( rectangle );
994 for (
const int faceIndex : faceIndexes )
996 const int nativefaceIndex = mesh->trianglesToNativeFaces().at( faceIndex );
997 if ( nativefaceIndex < 0 && nativefaceIndex >= mesh->faceCentroids().count() )
999 const QgsPointXY centroid = mesh->faceCentroids()[nativefaceIndex];
1000 const double dist = point.
distance( centroid );
1001 if ( dist < maxDistance )
1004 centroidPosition = centroid;
1008 return centroidPosition;
1015 mDatasetGroupStore->resetDatasetGroupTreeItem();
1016 updateActiveDatasetGroups();
1023 if ( !mDataProvider )
1026 for (
int i = 0; i < groupCount; ++i )
1040 const qint64 time = mDatasetGroupStore->datasetRelativeTime( index );
1052 return mDatasetGroupStore->datasetRelativeTime( index );
1064 message = QObject::tr(
"Face %1 invalid" ).arg( error.
elementIndex );
1067 message = QObject::tr(
"Too many vertices for face %1" ).arg( error.
elementIndex );
1070 message = QObject::tr(
"Face %1 is flat" ).arg( error.
elementIndex );
1073 message = QObject::tr(
"Vertex %1 is a unique shared vertex" ).arg( error.
elementIndex );
1076 message = QObject::tr(
"Vertex %1 is invalid" ).arg( error.
elementIndex );
1079 message = QObject::tr(
"Face %1 is manifold" ).arg( error.
elementIndex );
1118 mRendererCache.reset();
1126 mMeshEditor->deleteLater();
1127 mMeshEditor =
nullptr;
1135 mDataProvider->
close();
1138 mExtraDatasetUri.clear();
1142 if ( mDatasetGroupStore->addDatasetGroup( zValueDatasetGroup.get() ) )
1143 zValueDatasetGroup.release();
1160 QString detailsError;
1164 detailsError = tr(
"Unknown inconsistent mesh error" );
1169 detailsError = detailsErrorMessage(
error );
1172 if ( !detailsError.isEmpty() )
1181 if ( !mDataProvider )
1184 const bool res = mDataProvider->
saveMeshFrame( *mNativeMesh.get() );
1186 if ( continueEditing )
1193 mMeshEditor->deleteLater();
1194 mMeshEditor =
nullptr;
1200 mDatasetGroupStore->setPersistentProvider( mDataProvider, QStringList() );
1211 if ( !mDataProvider )
1214 mTriangularMeshes.clear();
1218 mRendererCache.reset(
new QgsMeshLayerRendererCache() );
1221 if ( continueEditing )
1228 mMeshEditor->deleteLater();
1229 mMeshEditor =
nullptr;
1233 mDatasetGroupStore->setPersistentProvider( mDataProvider, QStringList() );
1248 mTriangularMeshes.at( 0 )->update( mNativeMesh.get(), transform );
1249 mRendererCache.reset(
new QgsMeshLayerRendererCache() );
1259 if ( !mMeshEditor->
reindex( renumber ) )
1262 mTriangularMeshes.clear();
1264 mTriangularMeshes.at( 0 )->update( mNativeMesh.get(), transform );
1265 mRendererCache.reset(
new QgsMeshLayerRendererCache() );
1310 else if ( mDataProvider )
1321 else if ( mDataProvider )
1331 return mNativeMesh->edgeCount();
1332 else if ( mDataProvider )
1337void QgsMeshLayer::updateActiveDatasetGroups()
1343 if ( !mDatasetGroupStore->datasetGroupTreeItem() )
1353 if ( !activeScalarItem && treeItem->childCount() > 0 && oldActiveScalar != -1 )
1354 activeScalarItem = treeItem->
child( 0 );
1356 if ( activeScalarItem && !activeScalarItem->
isEnabled() )
1358 for (
int i = 0; i < treeItem->childCount(); ++i )
1360 activeScalarItem = treeItem->
child( i );
1364 activeScalarItem =
nullptr;
1368 if ( activeScalarItem )
1376 if ( !( activeVectorItem && activeVectorItem->
isEnabled() ) )
1389 QString activeScalarName;
1390 QString activeVectorName;
1395 for (
auto it = nameToIndex.constBegin(); it != nameToIndex.constEnd(); ++it )
1397 int index = it.value();
1398 const QString
name = it.key() ;
1399 int globalIndex = mDatasetGroupStore->indexFromGroupName(
name );
1400 if ( globalIndex >= 0 )
1404 if ( settings.
hasVectorSettings( it.value() ) && mDatasetGroupStore->datasetGroupMetadata( globalIndex ).isVector() )
1417 if ( index == activeScalar )
1418 activeScalarName =
name;
1419 if ( index == activeVector )
1420 activeVectorName =
name;
1424 for (
int globalIndex : globalIndexes )
1426 const QString
name = mDatasetGroupStore->groupName( globalIndex );
1427 if ( !nameToIndex.contains(
name ) )
1430 if ( mDatasetGroupStore->datasetGroupMetadata( globalIndex ).isVector() )
1437 if ( !activeScalarName.isEmpty() )
1439 if ( !activeVectorName.isEmpty() )
1442 return consistentSettings;
1445void QgsMeshLayer::setDataSourcePrivate(
const QString &dataSource,
const QString &baseName,
const QString &provider,
const QgsDataProvider::ProviderOptions &options, QgsDataProvider::ReadFlags flags )
1453 if ( !
mDataSource.isEmpty() && !provider.isEmpty() )
1454 setDataProvider( provider, options,
flags );
1461 switch ( elementType )
1464 return snapOnVertex( point, searchRadius );
1466 return snapOnEdge( point, searchRadius );
1468 return snapOnFace( point, searchRadius );
1491 context.
lastScope()->
setVariable( QStringLiteral(
"_mesh_layer" ), QVariant::fromValue(
this ) );
1493 expression.
prepare( &context );
1495 for (
int i = 0; i < mNativeMesh->vertexCount(); ++i )
1499 if ( expression.
evaluate( &context ).toBool() )
1524 context.
lastScope()->
setVariable( QStringLiteral(
"_mesh_layer" ), QVariant::fromValue(
this ) );
1526 expression.
prepare( &context );
1528 for (
int i = 0; i < mNativeMesh->faceCount(); ++i )
1532 if ( expression.
evaluate( &context ).toBool() )
1576 return mSimplificationSettings;
1583 mSimplificationSettings = simplifySettings;
1594 props[
"color1"] =
"13,8,135,255";
1595 props[
"color2"] =
"240,249,33,255";
1597 "0.0196078;27,6,141,255:0.0392157;38,5,145,255:0.0588235;47,5,150,255:0.0784314;56,4,154,255:0.0980392;65,4,157,255:"
1598 "0.117647;73,3,160,255:0.137255;81,2,163,255:0.156863;89,1,165,255:0.176471;97,0,167,255:0.196078;105,0,168,255:"
1599 "0.215686;113,0,168,255:0.235294;120,1,168,255:0.254902;128,4,168,255:0.27451;135,7,166,255:0.294118;142,12,164,255:"
1600 "0.313725;149,17,161,255:0.333333;156,23,158,255:0.352941;162,29,154,255:0.372549;168,34,150,255:0.392157;174,40,146,255:"
1601 "0.411765;180,46,141,255:0.431373;186,51,136,255:0.45098;191,57,132,255:0.470588;196,62,127,255:0.490196;201,68,122,255:"
1602 "0.509804;205,74,118,255:0.529412;210,79,113,255:0.54902;214,85,109,255:0.568627;218,91,105,255:0.588235;222,97,100,255:"
1603 "0.607843;226,102,96,255:0.627451;230,108,92,255:0.647059;233,114,87,255:0.666667;237,121,83,255:0.686275;240,127,79,255:"
1604 "0.705882;243,133,75,255:0.72549;245,140,70,255:0.745098;247,147,66,255:0.764706;249,154,62,255:0.784314;251,161,57,255:"
1605 "0.803922;252,168,53,255:0.823529;253,175,49,255:0.843137;254,183,45,255:0.862745;254,190,42,255:0.882353;253,198,39,255:"
1606 "0.901961;252,206,37,255:0.921569;251,215,36,255:0.941176;248,223,37,255:0.960784;246,232,38,255:0.980392;243,240,39,255";
1610void QgsMeshLayer::assignDefaultStyleToDatasetGroup(
int groupIndex )
1615 const double groupMin =
metadata.minimum();
1616 const double groupMax =
metadata.maximum();
1619 fcn.classifyColorRamp( 5, -1,
QgsRectangle(),
nullptr );
1648 createSimplifiedMeshes();
1651 if ( !mRendererCache )
1652 mRendererCache.reset(
new QgsMeshLayerRendererCache() );
1664void QgsMeshLayer::checkSymbologyConsistency()
1668 const QList<int> groupIndexes = mDatasetGroupStore->datasetGroupIndexes();
1672 if ( !groupIndexes.empty() )
1690 Q_UNUSED( errorMessage )
1693 const QDomElement elem = node.toElement();
1698 const QDomElement elemRendererSettings = elem.firstChildElement(
"mesh-renderer-settings" );
1699 if ( !elemRendererSettings.isNull() )
1702 QMap<QString, int> groupNameToGlobalIndex;
1703 QDomElement nameToIndexElem = elem.firstChildElement(
"name-to-global-index" );
1704 while ( !nameToIndexElem.isNull() )
1706 const QString
name = nameToIndexElem.attribute( QStringLiteral(
"name" ) );
1707 int globalIndex = nameToIndexElem.attribute( QStringLiteral(
"global-index" ) ).toInt();
1708 groupNameToGlobalIndex.insert(
name, globalIndex );
1709 nameToIndexElem = nameToIndexElem.nextSiblingElement( QStringLiteral(
"name-to-global-index" ) );
1712 mRendererSettings = accordSymbologyWithGroupName(
rendererSettings, groupNameToGlobalIndex );
1714 checkSymbologyConsistency();
1716 const QDomElement elemSimplifySettings = elem.firstChildElement(
"mesh-simplify-settings" );
1717 if ( !elemSimplifySettings.isNull() )
1718 mSimplificationSettings.
readXml( elemSimplifySettings, context );
1721 const QDomNode blendModeNode = node.namedItem( QStringLiteral(
"blendMode" ) );
1722 if ( !blendModeNode.isNull() )
1724 const QDomElement e = blendModeNode.toElement();
1731 const QDomNode layerOpacityNode = node.namedItem( QStringLiteral(
"layerOpacity" ) );
1732 if ( !layerOpacityNode.isNull() )
1734 const QDomElement e = layerOpacityNode.toElement();
1747 Q_UNUSED( errorMessage )
1750 QDomElement elem = node.toElement();
1754 const QDomElement elemRendererSettings = mRendererSettings.
writeXml( doc, context );
1755 elem.appendChild( elemRendererSettings );
1759 for (
int index : groupIndexes )
1761 QDomElement elemNameToIndex = doc.createElement( QStringLiteral(
"name-to-global-index" ) );
1762 elemNameToIndex.setAttribute( QStringLiteral(
"name" ), mDatasetGroupStore->groupName( index ) );
1763 elemNameToIndex.setAttribute( QStringLiteral(
"global-index" ), index );
1764 elem.appendChild( elemNameToIndex );
1767 const QDomElement elemSimplifySettings = mSimplificationSettings.
writeXml( doc, context );
1768 elem.appendChild( elemSimplifySettings );
1771 QDomElement blendModeElement = doc.createElement( QStringLiteral(
"blendMode" ) );
1773 blendModeElement.appendChild( blendModeText );
1774 node.appendChild( blendModeElement );
1779 QDomElement layerOpacityElem = doc.createElement( QStringLiteral(
"layerOpacity" ) );
1780 const QDomText layerOpacityText = doc.createTextNode( QString::number(
opacity() ) );
1781 layerOpacityElem.appendChild( layerOpacityText );
1782 node.appendChild( layerOpacityElem );
1792 return writeSymbology( node, doc, errorMessage, context, categories );
1799 return readSymbology( node, errorMessage, context, categories );
1823 const QDomNode pkeyNode = layer_node.namedItem( QStringLiteral(
"provider" ) );
1825 if ( pkeyNode.isNull() )
1831 const QDomElement pkeyElt = pkeyNode.toElement();
1843 const QDomElement elemExtraDatasets = layer_node.firstChildElement( QStringLiteral(
"extra-datasets" ) );
1844 if ( !elemExtraDatasets.isNull() )
1846 QDomElement elemUri = elemExtraDatasets.firstChildElement( QStringLiteral(
"uri" ) );
1847 while ( !elemUri.isNull() )
1850 mExtraDatasetUri.append( uri );
1851 elemUri = elemUri.nextSiblingElement( QStringLiteral(
"uri" ) );
1855 if ( pkeyNode.toElement().hasAttribute( QStringLiteral(
"time-unit" ) ) )
1856 mTemporalUnit =
static_cast<Qgis::TemporalUnit>( pkeyNode.toElement().attribute( QStringLiteral(
"time-unit" ) ).toInt() );
1859 const QDomElement elemDatasetGroupsStore = layer_node.firstChildElement( QStringLiteral(
"mesh-dataset-groups-store" ) );
1860 if ( elemDatasetGroupsStore.isNull() )
1863 mDatasetGroupStore->readXml( elemDatasetGroupsStore, context );
1874 const QDomElement elemStaticDataset = layer_node.firstChildElement( QStringLiteral(
"static-active-dataset" ) );
1875 if ( elemStaticDataset.hasAttribute( QStringLiteral(
"scalar" ) ) )
1877 mStaticScalarDatasetIndex = elemStaticDataset.attribute( QStringLiteral(
"scalar" ) ).toInt();
1879 if ( elemStaticDataset.hasAttribute( QStringLiteral(
"vector" ) ) )
1881 mStaticVectorDatasetIndex = elemStaticDataset.attribute( QStringLiteral(
"vector" ) ).toInt();
1892 QDomElement mapLayerNode = layer_node.toElement();
1894 if ( mapLayerNode.isNull() || ( QLatin1String(
"maplayer" ) != mapLayerNode.nodeName() ) )
1903 if ( mDataProvider )
1905 QDomElement provider = document.createElement( QStringLiteral(
"provider" ) );
1906 const QDomText providerText = document.createTextNode(
providerType() );
1907 provider.appendChild( providerText );
1908 layer_node.appendChild( provider );
1911 const QStringList extraDatasetUris = mDataProvider->
extraDatasets();
1912 QDomElement elemExtraDatasets = document.createElement( QStringLiteral(
"extra-datasets" ) );
1913 for (
const QString &uri : extraDatasetUris )
1916 QDomElement elemUri = document.createElement( QStringLiteral(
"uri" ) );
1917 elemUri.appendChild( document.createTextNode( path ) );
1918 elemExtraDatasets.appendChild( elemUri );
1920 layer_node.appendChild( elemExtraDatasets );
1923 QDomElement elemStaticDataset = document.createElement( QStringLiteral(
"static-active-dataset" ) );
1924 elemStaticDataset.setAttribute( QStringLiteral(
"scalar" ), mStaticScalarDatasetIndex );
1925 elemStaticDataset.setAttribute( QStringLiteral(
"vector" ), mStaticVectorDatasetIndex );
1926 layer_node.appendChild( elemStaticDataset );
1930 layer_node.appendChild( mDatasetGroupStore->writeXml( document, context ) );
1934 return writeSymbology( layer_node, document, errorMsg, context );
1941 if ( !mMeshEditor && mDataProvider && mDataProvider->
isValid() )
1944 mDatasetGroupStore->setPersistentProvider( mDataProvider, QStringList() );
1948 mNativeMesh.reset(
new QgsMesh );
1956 mTriangularMeshes.clear();
1959 mRendererCache.reset(
new QgsMeshLayerRendererCache() );
1961 checkSymbologyConsistency();
1971 if ( mDataProvider )
1974 return QStringList();
1982 QString myMetadata = QStringLiteral(
"<html>\n<body>\n" );
1987 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Information from provider" ) + QStringLiteral(
"</h1>\n<hr>\n" );
1988 myMetadata += QLatin1String(
"<table class=\"list-view\">\n" );
1991 myMetadata += QStringLiteral(
"<tr><td class=\"highlight\">" ) + tr(
"Extent" ) + QStringLiteral(
"</td><td>" ) +
extent().
toString() + QStringLiteral(
"</td></tr>\n" );
1994 QLocale locale = QLocale();
1995 locale.setNumberOptions( locale.numberOptions() &= ~QLocale::NumberOption::OmitGroupSeparator );
1999 myMetadata += QStringLiteral(
"<tr><td class=\"highlight\">" )
2000 + tr(
"Vertex count" ) + QStringLiteral(
"</td><td>" )
2002 + QStringLiteral(
"</td></tr>\n" );
2003 myMetadata += QStringLiteral(
"<tr><td class=\"highlight\">" )
2004 + tr(
"Face count" ) + QStringLiteral(
"</td><td>" )
2005 + ( locale.toString(
static_cast<qlonglong
>(
meshFaceCount() ) ) )
2006 + QStringLiteral(
"</td></tr>\n" );
2007 myMetadata += QStringLiteral(
"<tr><td class=\"highlight\">" )
2008 + tr(
"Edge count" ) + QStringLiteral(
"</td><td>" )
2009 + ( locale.toString(
static_cast<qlonglong
>(
meshEdgeCount() ) ) )
2010 + QStringLiteral(
"</td></tr>\n" );
2011 myMetadata += QStringLiteral(
"<tr><td class=\"highlight\">" )
2012 + tr(
"Dataset groups count" ) + QStringLiteral(
"</td><td>" )
2014 + QStringLiteral(
"</td></tr>\n" );
2018 myMetadata += QLatin1String(
"</table>\n<br><br>" );
2024 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Identification" ) + QStringLiteral(
"</h1>\n<hr>\n" );
2025 myMetadata += htmlFormatter.identificationSectionHtml( );
2026 myMetadata += QLatin1String(
"<br><br>\n" );
2029 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Extent" ) + QStringLiteral(
"</h1>\n<hr>\n" );
2030 myMetadata += htmlFormatter.extentSectionHtml(
isSpatial() );
2031 myMetadata += QLatin1String(
"<br><br>\n" );
2034 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Access" ) + QStringLiteral(
"</h1>\n<hr>\n" );
2035 myMetadata += htmlFormatter.accessSectionHtml( );
2036 myMetadata += QLatin1String(
"<br><br>\n" );
2039 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Contacts" ) + QStringLiteral(
"</h1>\n<hr>\n" );
2040 myMetadata += htmlFormatter.contactsSectionHtml( );
2041 myMetadata += QLatin1String(
"<br><br>\n" );
2044 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Links" ) + QStringLiteral(
"</h1>\n<hr>\n" );
2045 myMetadata += htmlFormatter.linksSectionHtml( );
2046 myMetadata += QLatin1String(
"<br><br>\n" );
2049 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"History" ) + QStringLiteral(
"</h1>\n<hr>\n" );
2050 myMetadata += htmlFormatter.historySectionHtml( );
2051 myMetadata += QLatin1String(
"<br><br>\n" );
2053 myMetadata += QLatin1String(
"\n</body>\n</html>\n" );
2061 return mMeshEditor !=
nullptr;
2068 mDatasetGroupStore->setPersistentProvider(
nullptr, QStringList() );
2070 delete mDataProvider;
2076 mDataProvider = qobject_cast< QgsMeshDataProvider * >(
mPreloadedProvider.release() );
2080 std::unique_ptr< QgsScopedRuntimeProfile > profile;
2082 profile = std::make_unique< QgsScopedRuntimeProfile >( tr(
"Create %1 provider" ).arg( provider ), QStringLiteral(
"projectload" ) );
2087 if ( !mDataProvider )
2089 QgsDebugMsgLevel( QStringLiteral(
"Unable to get mesh data provider" ), 2 );
2093 mDataProvider->setParent(
this );
2094 QgsDebugMsgLevel( QStringLiteral(
"Instantiated the mesh data provider plugin" ), 2 );
2103 if ( !mTemporalProperties->
isValid() )
2110 mDatasetGroupStore->setPersistentProvider( mDataProvider, mExtraDatasetUri );
2114 if ( provider == QLatin1String(
"mesh_memory" ) )
2123 int globalIndex = mDatasetGroupStore->globalDatasetGroupIndexInSource( mDataProvider, i );
2124 if ( globalIndex != -1 &&
2126 assignDefaultStyleToDatasetGroup( globalIndex );
2141 return mTemporalProperties;
2148 return mElevationProperties;
The Qgis class provides global constants for use throughout the application.
@ Critical
Critical/error message.
@ TooManyVerticesInFace
A face has more vertices than the maximum number supported per face.
@ InvalidFace
An error occurs due to an invalid face (for example, vertex indexes are unordered)
@ UniqueSharedVertex
A least two faces share only one vertices.
@ ManifoldFace
ManifoldFace.
@ InvalidVertex
An error occurs due to an invalid vertex (for example, vertex index is out of range the available ver...
@ FlatFace
A flat face is present.
BlendMode
Blending modes defining the available composition modes that can be used when painting.
TemporalUnit
Temporal units.
@ Milliseconds
Milliseconds.
@ Mesh
Mesh layer. Added in QGIS 3.2.
QgsVertexIterator vertices() const
Returns a read-only, Java-style iterator for traversal of vertices of all the geometry,...
Abstract base class for objects which generate elevation profiles.
static QgsRuntimeProfiler * profiler()
Returns the application runtime profiler.
A ramp shader will color a raster pixel based on a list of values ranges in a ramp.
@ EqualInterval
Uses equal interval.
QgsColorRamp * sourceColorRamp() const
Returns the source color ramp.
@ Exact
Assigns the color of the exact matching value in the color ramp item list.
void setClassificationMode(ClassificationMode classificationMode)
Sets classification mode.
void setColorRampItemList(const QList< QgsColorRampShader::ColorRampItem > &list)
Sets a custom colormap.
void setColorRampType(QgsColorRampShader::Type colorRampType)
Sets the color ramp type.
Abstract base class for color ramps.
virtual QColor color(double value) const =0
Returns the color corresponding to a specified value.
Contains information about the context in which a coordinate transform is executed.
bool hasTemporalCapabilities() const
Returns true if the provider has temporal capabilities available.
@ FlagLoadDefaultStyle
Reset the layer's style to the default for the datasource.
QgsCoordinateTransformContext transformContext() const
Returns data provider coordinate transform context.
virtual QgsCoordinateReferenceSystem crs() const =0
Returns the coordinate system for the data source.
void dataChanged()
Emitted whenever a change is made to the data provider which may have caused changes in the provider'...
virtual bool isValid() const =0
Returns true if this is a valid layer.
virtual QStringList subLayers() const
Sub-layers handled by this provider, in order from bottom to top.
virtual void reloadData()
Reloads the data from the source for providers with data caches to synchronize, changes in the data s...
virtual QgsRectangle extent() const =0
Returns the extent of the layer.
virtual void setTransformContext(const QgsCoordinateTransformContext &transformContext)
Sets data coordinate transform context to transformContext.
void setVariable(const QString &name, const QVariant &value, bool isStatic=false)
Convenience method for setting a variable in the context scope by name name and value.
static QgsExpressionContextScope * meshExpressionScope(QgsMesh::ElementType elementType)
Creates a new scope which contains functions relating to mesh layer element elementType.
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
QgsExpressionContextScope * lastScope()
Returns the last scope added to the context.
void appendScope(QgsExpressionContextScope *scope)
Appends a scope to the end of the context.
Class for parsing and evaluation of expressions (formerly called "search strings").
bool prepare(const QgsExpressionContext *context)
Gets the expression ready for evaluation - find out column indexes.
QVariant evaluate()
Evaluate the feature and return the result.
static QgsColorRamp * create(const QVariantMap &properties=QVariantMap())
Creates a new QgsColorRamp from a map of properties.
Class defining color to render mesh datasets.
Represents a simple line renderer with width and color varying depending on values.
Represents a width than can vary depending on values.
void setMaximumValue(double maximumValue)
Sets the maximum value used to defined the variable width.
void setMinimumValue(double minimumValue)
Sets the minimum value used to defined the variable width.
A representation of the interval between two datetime values.
double seconds() const
Returns the interval duration in seconds.
Base class for storage of map layer elevation properties.
static QString typeToString(Qgis::LayerType type)
Converts a map layer type to a string value.
static QgsMapLayerLegend * defaultMeshLegend(QgsMeshLayer *ml)
Create new legend implementation for mesh layer.
Base class for utility classes that encapsulate information necessary for rendering of map layers.
Base class for storage of map layer temporal properties.
virtual void setDefaultsFromDataProviderTemporalCapabilities(const QgsDataProviderTemporalCapabilities *capabilities)=0
Sets the layers temporal settings to appropriate defaults based on a provider's temporal capabilities...
Base class for all map layer types.
virtual bool isSpatial() const
Returns true if the layer is considered a spatial layer, ie it has some form of geometry associated w...
void editingStopped()
Emitted when edited changes have been successfully written to the data provider.
QString source() const
Returns the source for the layer.
void setBlendMode(QPainter::CompositionMode blendMode)
Set the blending mode used for rendering a layer.
void trigger3DUpdate()
Will advise any 3D maps that this layer requires to be updated in the scene.
QgsMapLayer::LayerFlags flags() const
Returns the flags for this layer.
void editingStarted()
Emitted when editing on this layer has started.
virtual QString loadDefaultStyle(bool &resultFlag)
Retrieve the default style for this layer if one exists (either as a .qml file on disk or as a record...
QString mLayerName
Name of the layer - used for display.
void triggerRepaint(bool deferredUpdate=false)
Will advise the map canvas (and any other interested party) that this layer requires to be repainted.
QString crsHtmlMetadata() const
Returns a HTML fragment containing the layer's CRS metadata, for use in the htmlMetadata() method.
QgsLayerMetadata metadata
QPainter::CompositionMode blendMode() const
Returns the current blending mode for a layer.
virtual void setOpacity(double opacity)
Sets the opacity for the layer, where opacity is a value between 0 (totally transparent) and 1....
QString mProviderKey
Data provider key (name of the data provider)
QgsCoordinateTransformContext transformContext() const
Returns the layer data provider coordinate transform context or a default transform context if the la...
std::unique_ptr< QgsDataProvider > mPreloadedProvider
Optionally used when loading a project, it is released when the layer is effectively created.
void rendererChanged()
Signal emitted when renderer is changed.
virtual QgsError error() const
Gets current status error.
void dataSourceChanged()
Emitted whenever the layer's data source has been changed.
void emitStyleChanged()
Triggers an emission of the styleChanged() signal.
void dataChanged()
Data of layer changed.
virtual QgsMapLayer * clone() const =0
Returns a new instance equivalent to this one except for the id which is still unique.
QString mDataSource
Data source description string, varies by layer type.
@ FlagDontResolveLayers
Don't resolve layer paths or create data providers for layers.
void setValid(bool valid)
Sets whether layer is valid or not.
void readCommonStyle(const QDomElement &layerElement, const QgsReadWriteContext &context, StyleCategories categories=AllStyleCategories)
Read style data common to all layer types.
QgsMapLayer::ReadFlags mReadFlags
Read flags. It's up to the subclass to respect these when restoring state from XML.
void setLegend(QgsMapLayerLegend *legend)
Assign a legend controller to the map layer.
@ Rendering
Rendering: scale visibility, simplify method, opacity.
void layerModified()
Emitted when modifications has been done on layer.
void setProviderType(const QString &providerType)
Sets the providerType (provider key)
QString generalHtmlMetadata() const
Returns an HTML fragment containing general metadata information, for use in the htmlMetadata() metho...
void writeCommonStyle(QDomElement &layerElement, QDomDocument &document, const QgsReadWriteContext &context, StyleCategories categories=AllStyleCategories) const
Write style data common to all layer types.
void invalidateWgs84Extent()
Invalidates the WGS84 extent.
bool mShouldValidateCrs
true if the layer's CRS should be validated and invalid CRSes are not permitted.
void setCrs(const QgsCoordinateReferenceSystem &srs, bool emitSignal=true)
Sets layer's spatial reference system.
static QgsDataProvider::ReadFlags providerReadFlags(const QDomNode &layerNode, QgsMapLayer::ReadFlags layerReadFlags)
Returns provider read flag deduced from layer read flags layerReadFlags and a dom node layerNode that...
Abstract class to interpolate 3d stacked mesh data to 2d data.
QgsMeshDataBlock calculate(const QgsMesh3DDataBlock &block3d, QgsFeedback *feedback=nullptr) const
Calculated 2d block values from 3d stacked mesh values.
QgsMesh3DDataBlock is a block of 3d stacked mesh data related N faces defined on base mesh frame.
QgsMeshDataBlock is a block of integers/doubles that can be used to retrieve: active flags (e....
QgsMeshDatasetValue value(int index) const
Returns a value represented by the index For active flag the behavior is undefined.
bool isValid() const
Whether the block is valid.
QDateTime referenceTime() const
Returns the reference time.
Qgis::TemporalUnit temporalUnit() const
Returns the temporal unit used to read data by the data provider.
MatchingTemporalDatasetMethod
Method for selection of temporal mesh dataset from a range time.
qint64 firstTimeStepDuration(int group) const
Returns the duration of the first time step of the dataset group with index group.
Base class for providing data for QgsMeshLayer.
virtual QgsMeshDriverMetadata driverMetadata() const
Returns the mesh driver metadata of the provider.
void setTemporalUnit(Qgis::TemporalUnit unit)
Sets the temporal unit of the provider and reload data if it changes.
QgsMeshDataProviderTemporalCapabilities * temporalCapabilities() override
Returns the provider's temporal capabilities.
virtual void close()=0
Closes the data provider and free every resources used.
virtual int vertexCount() const =0
Returns number of vertices in the native mesh.
virtual void populateMesh(QgsMesh *mesh) const =0
Populates the mesh vertices, edges and faces.
virtual bool saveMeshFrame(const QgsMesh &mesh)=0
Saves the mesh frame to the source.
virtual int edgeCount() const =0
Returns number of edges in the native mesh.
virtual int faceCount() const =0
Returns number of faces in the native mesh.
Class used to register and access all the dataset groups related to a mesh layer.
void datasetGroupsAdded(QList< int > indexes)
Emitted after dataset groups are added.
Tree item for display of the mesh dataset groups.
int datasetGroupIndex() const
QgsMeshDatasetGroupTreeItem * childFromDatasetGroupIndex(int index)
Returns the child with dataset group index Searches as depper as needed on the child hierarchy.
QgsMeshDatasetGroupTreeItem * child(int row) const
Returns a child.
Abstract class that represents a dataset group.
QgsMeshDatasetIndex is index that identifies the dataset group (e.g.
bool isValid() const
Returns whether index is valid, ie at least groups is set.
int group() const
Returns a group index.
int dataset() const
Returns a dataset index within group()
virtual int datasetGroupCount() const =0
Returns number of datasets groups loaded.
virtual QStringList extraDatasets() const =0
Returns list of additional dataset file URIs added using addDataset() calls.
QgsMeshDatasetValue represents single dataset value.
double y() const
Returns y value.
double x() const
Returns x value.
Class that represents an error during mesh editing.
Qgis::MeshEditingErrorType errorType
Class that makes edit operation on a mesh.
QgsMeshEditingError initialize()
Initializes the mesh editor and returns first error if the internal native mesh has topological error...
int validFacesCount() const
Returns the count of valid faces, that is non void faces in the mesh.
bool checkConsistency(QgsMeshEditingError &error) const
Return true if the edited mesh is consistent.
QgsRectangle extent() const
Returns the extent of the edited mesh.
QgsMeshEditingError initializeWithErrorsFix()
Initializes the mesh editor.
int maximumVerticesPerFace() const
Returns the maximum count of vertices per face that the mesh can support.
void stopEditing()
Stops editing.
void meshEdited()
Emitted when the mesh is edited.
void resetTriangularMesh(QgsTriangularMesh *triangularMesh)
Resets the triangular mesh.
bool isModified() const
Returns whether the mesh has been modified.
int validVerticesCount() const
Returns the count of valid vertices, that is non void vertices in the mesh.
bool reindex(bool renumbering)
Reindexes the mesh, that is remove unusued index of face and vertices, this operation void the undo/r...
QgsMeshDatasetGroup * createZValueDatasetGroup()
Creates and returns a scalar dataset group with value on vertex that is can be used to access the Z v...
Mesh layer specific subclass of QgsMapLayerElevationProperties.
QgsMeshLayerElevationProperties * clone() const override
Creates a clone of the properties.
Implementation of QgsAbstractProfileGenerator for mesh layers.
Implementation of threaded rendering for mesh layers.
Implementation of map layer temporal properties for mesh layers.
QDateTime referenceTime() const
Returns the reference time.
bool isValid() const
Returns whether the instance is valid.
void setMatchingMethod(const QgsMeshDataProviderTemporalCapabilities::MatchingTemporalDatasetMethod &matchingMethod)
Sets the method used to match dataset from temporal capabilities.
QgsMeshDataProviderTemporalCapabilities::MatchingTemporalDatasetMethod matchingMethod() const
Returns the method used to match dataset from temporal capabilities.
void setReferenceTime(const QDateTime &referenceTime, const QgsDataProviderTemporalCapabilities *capabilities)
Sets the reference time and update the time extent from the temporal capabilities,...
void setDefaultsFromDataProviderTemporalCapabilities(const QgsDataProviderTemporalCapabilities *capabilities) override
Sets the layers temporal settings to appropriate defaults based on a provider's temporal capabilities...
bool alwaysLoadReferenceTimeFromSource() const
Returns whether the time proporties are automatically reloaded from provider when project is opened o...
QgsDateTimeRange timeExtent() const
Returns the time extent.
Represents a mesh layer supporting display of data on structured or unstructured meshes.
QList< int > selectVerticesByExpression(QgsExpression expression)
Returns a list of vertex indexes that meet the condition defined by expression with the context expre...
void setMeshSimplificationSettings(const QgsMeshSimplificationSettings &meshSimplificationSettings)
Sets mesh simplification settings.
int datasetCount(const QgsMeshDatasetIndex &index) const
Returns the dataset count in the dataset groups.
QList< int > datasetGroupsIndexes() const
Returns the list of indexes of dataset groups handled by the layer.
void stopFrameEditing(const QgsCoordinateTransform &transform)
Stops editing of the mesh, re-indexes the faces and vertices, rebuilds the triangular mesh and its sp...
QgsRectangle extent() const override
Returns the extent of the layer.
void setStaticVectorDatasetIndex(const QgsMeshDatasetIndex &staticVectorDatasetIndex)
Sets the static vector dataset index that is rendered if the temporal properties is not active.
void setStaticScalarDatasetIndex(const QgsMeshDatasetIndex &staticScalarDatasetIndex)
Sets the static scalar dataset index that is rendered if the temporal properties is not active.
bool contains(const QgsMesh::ElementType &type) const
Returns whether the mesh contains at mesh elements of given type.
QgsMeshRendererSettings rendererSettings() const
Returns renderer settings.
QList< QgsMeshDatasetIndex > datasetIndexInRelativeTimeInterval(const QgsInterval &startRelativeTime, const QgsInterval &endRelativeTime, int datasetGroupIndex) const
Returns a list of dataset indexes from datasets group that are in a interval time from the layer refe...
void activeScalarDatasetGroupChanged(int index)
Emitted when active scalar group dataset is changed.
int datasetGroupCount() const
Returns the dataset groups count handle by the layer.
void updateTriangularMesh(const QgsCoordinateTransform &transform=QgsCoordinateTransform())
Gets native mesh and updates (creates if it doesn't exist) the base triangular mesh.
bool addDatasets(const QString &path, const QDateTime &defaultReferenceTime=QDateTime())
Adds datasets to the mesh from file with path.
bool isModified() const override
Returns whether the mesh frame has been modified since the last save.
void activeVectorDatasetGroupChanged(int index)
Emitted when active vector group dataset is changed.
void reload() override
Synchronises with changes in the datasource.
QgsMeshDatasetIndex activeScalarDatasetAtTime(const QgsDateTimeRange &timeRange) const
Returns dataset index from active scalar group depending on the time range.
QgsPointXY snapOnElement(QgsMesh::ElementType elementType, const QgsPointXY &point, double searchRadius)
Returns the position of the snapped point on the mesh element closest to point intersecting with the ...
bool readXml(const QDomNode &layer_node, QgsReadWriteContext &context) override
Called by readLayerXML(), used by children to read state specific to them from project files.
QStringList subLayers() const override
Returns the sublayers of this layer.
QgsMeshEditor * meshEditor()
Returns a pointer to the mesh editor own by the mesh layer.
void setDatasetGroupTreeRootItem(QgsMeshDatasetGroupTreeItem *rootItem)
Sets the root items of the dataset group tree item.
QgsMeshDatasetValue dataset1dValue(const QgsMeshDatasetIndex &index, const QgsPointXY &point, double searchRadius) const
Returns the value of 1D mesh dataset defined on edge that are in the search area defined by point ans...
QgsMesh * nativeMesh()
Returns native mesh (nullptr before rendering or calling to updateMesh)
QString loadDefaultStyle(bool &resultFlag) FINAL
Retrieve the default style for this layer if one exists (either as a .qml file on disk or as a record...
QgsTriangularMesh * triangularMeshByLodIndex(int lodIndex) const
Returns triangular corresponding to the index of level of details.
QString htmlMetadata() const override
Obtain a formatted HTML string containing assorted metadata for this layer.
int meshFaceCount() const
Returns the faces count of the mesh frame.
QList< int > selectFacesByExpression(QgsExpression expression)
Returns a list of faces indexes that meet the condition defined by expression with the context expres...
QgsMapLayerElevationProperties * elevationProperties() override
Returns the layer's elevation properties.
QgsMeshLayer * clone() const override
Returns a new instance equivalent to this one except for the id which is still unique.
void timeSettingsChanged()
Emitted when time format is changed.
QList< int > enabledDatasetGroupsIndexes() const
Returns the list of indexes of enables dataset groups handled by the layer.
void resetDatasetGroupTreeItem()
Reset the dataset group tree item to default from provider.
int triangularMeshLevelOfDetailCount() const
Returns the count of levels of detail of the mesh simplification.
bool rollBackFrameEditing(const QgsCoordinateTransform &transform, bool continueEditing=true)
Rolls Back editing of the mesh frame.
QString encodedSource(const QString &source, const QgsReadWriteContext &context) const override
Called by writeLayerXML(), used by derived classes to encode provider's specific data source to proje...
QgsMeshDatasetIndex staticVectorDatasetIndex() const
Returns the static vector dataset index that is rendered if the temporal properties is not active.
QgsMeshDatasetIndex datasetIndexAtRelativeTime(const QgsInterval &relativeTime, int datasetGroupIndex) const
Returns dataset index from datasets group depending on the relative time from the layer reference tim...
bool writeXml(QDomNode &layer_node, QDomDocument &doc, const QgsReadWriteContext &context) const override
Called by writeLayerXML(), used by children to write state specific to them to project files.
bool commitFrameEditing(const QgsCoordinateTransform &transform, bool continueEditing=true)
Commits editing of the mesh frame, Rebuilds the triangular mesh and its spatial index with transform,...
QgsAbstractProfileGenerator * createProfileGenerator(const QgsProfileRequest &request) override
Given a profile request, returns a new profile generator ready for generating elevation profiles.
QgsMeshDataBlock datasetValues(const QgsMeshDatasetIndex &index, int valueIndex, int count) const
Returns N vector/scalar values from the index from the dataset.
bool writeStyle(QDomNode &node, QDomDocument &doc, QString &errorMessage, const QgsReadWriteContext &context, StyleCategories categories=AllStyleCategories) const override
Write just the symbology information for the layer into the document.
void setTransformContext(const QgsCoordinateTransformContext &transformContext) override
Sets the coordinate transform context to transformContext.
int meshEdgeCount() const
Returns the edges count of the mesh frame.
QgsMeshSimplificationSettings meshSimplificationSettings() const
Returns mesh simplification settings.
QgsMapLayerRenderer * createMapRenderer(QgsRenderContext &rendererContext) override
Returns new instance of QgsMapLayerRenderer that will be used for rendering of given context.
QgsMeshDatasetIndex activeVectorDatasetAtTime(const QgsDateTimeRange &timeRange) const
Returns dataset index from active vector group depending on the time range If the temporal properties...
bool isEditable() const override
Returns true if the layer can be edited.
QgsMeshDataBlock areFacesActive(const QgsMeshDatasetIndex &index, int faceIndex, int count) const
Returns whether the faces are active for particular dataset.
QgsMeshDatasetIndex staticScalarDatasetIndex() const
Returns the static scalar dataset index that is rendered if the temporal properties is not active.
bool isFaceActive(const QgsMeshDatasetIndex &index, int faceIndex) const
Returns N vector/scalar values from the face index from the dataset for 3d stacked meshes.
QgsMeshDatasetMetadata datasetMetadata(const QgsMeshDatasetIndex &index) const
Returns the dataset metadata.
bool saveDataset(const QString &path, int datasetGroupIndex, QString driver)
Saves datasets group on file with the specified driver.
bool supportsEditing() const override
Returns whether the layer supports editing or not.
QgsMeshDataProvider * dataProvider() override
Returns the layer's data provider, it may be nullptr.
QgsInterval firstValidTimeStep() const
Returns the first valid time step of the dataset groups, invalid QgInterval if no time step is presen...
QgsInterval datasetRelativeTime(const QgsMeshDatasetIndex &index)
Returns the relative time of the dataset from the reference time of its group.
QgsMeshDatasetIndex datasetIndexAtTime(const QgsDateTimeRange &timeRange, int datasetGroupIndex) const
Returns dataset index from datasets group depending on the time range.
Q_DECL_DEPRECATED bool startFrameEditing(const QgsCoordinateTransform &transform)
Starts editing of the mesh frame.
bool reindex(const QgsCoordinateTransform &transform, bool renumber)
Re-indexes the faces and vertices, and renumber the indexes if renumber is true.
QgsMeshDatasetValue datasetValue(const QgsMeshDatasetIndex &index, int valueIndex) const
Returns vector/scalar value associated with the index from the dataset To read multiple continuous va...
QgsMeshTimeSettings timeSettings() const
Returns time format settings.
QgsMapLayerTemporalProperties * temporalProperties() override
Returns the layer's temporal properties.
bool writeSymbology(QDomNode &node, QDomDocument &doc, QString &errorMessage, const QgsReadWriteContext &context, QgsMapLayer::StyleCategories categories=QgsMapLayer::AllStyleCategories) const override
int meshVertexCount() const
Returns the vertices count of the mesh frame.
void setReferenceTime(const QDateTime &referenceTime)
Sets the reference time of the layer.
bool readStyle(const QDomNode &node, QString &errorMessage, QgsReadWriteContext &context, StyleCategories categories=AllStyleCategories) override
Read the style for the current layer from the DOM node supplied.
int extraDatasetGroupCount() const
Returns the extra dataset groups count handle by the layer.
void setRendererSettings(const QgsMeshRendererSettings &settings)
Sets new renderer settings.
qint64 datasetRelativeTimeInMilliseconds(const QgsMeshDatasetIndex &index)
Returns the relative time (in milliseconds) of the dataset from the reference time of its group.
QgsTriangularMesh * triangularMesh(double minimumTriangleSize=0) const
Returns triangular mesh (nullptr before rendering or calling to updateMesh).
void setTemporalMatchingMethod(const QgsMeshDataProviderTemporalCapabilities::MatchingTemporalDatasetMethod &matchingMethod)
Sets the method used to match the temporal dataset from a requested time, see activeVectorDatasetAtTi...
QgsMeshDatasetGroupTreeItem * datasetGroupTreeRootItem() const
Returns the root items of the dataset group tree item.
QgsMesh3DDataBlock dataset3dValues(const QgsMeshDatasetIndex &index, int faceIndex, int count) const
Returns N vector/scalar values from the face index from the dataset for 3d stacked meshes.
QgsMesh3DDataBlock dataset3dValue(const QgsMeshDatasetIndex &index, const QgsPointXY &point) const
Returns the 3d values of stacked 3d mesh defined by the given point.
bool readSymbology(const QDomNode &node, QString &errorMessage, QgsReadWriteContext &context, QgsMapLayer::StyleCategories categories=QgsMapLayer::AllStyleCategories) override
QString providerType() const
Returns the provider type for this layer.
QString decodedSource(const QString &source, const QString &provider, const QgsReadWriteContext &context) const override
Called by readLayerXML(), used by derived classes to decode provider's specific data source from proj...
void reloaded()
Emitted when the mesh layer is reloaded, see reload()
QString formatTime(double hours)
Returns (date) time in hours formatted to human readable form.
QgsMeshDatasetGroupMetadata datasetGroupMetadata(const QgsMeshDatasetIndex &index) const
Returns the dataset groups metadata.
QgsMeshLayerRendererCache * rendererCache()
Returns native mesh (nullptr before rendering)
void setTimeSettings(const QgsMeshTimeSettings &settings)
Sets time format settings.
QgsMeshLayer(const QString &path=QString(), const QString &baseName=QString(), const QString &providerLib=QStringLiteral("mesh_memory"), const QgsMeshLayer::LayerOptions &options=QgsMeshLayer::LayerOptions())
Constructor - creates a mesh layer.
Represents a mesh renderer settings for mesh object.
void setEnabled(bool enabled)
Sets whether mesh structure rendering is enabled.
Represents a mesh renderer settings for scalar datasets.
void setClassificationMinimumMaximum(double minimum, double maximum)
Sets min/max values used for creation of the color ramp shader.
void setColorRampShader(const QgsColorRampShader &shader)
Sets color ramp shader function.
QgsColorRampShader colorRampShader() const
Returns color ramp shader function.
@ None
Does not use resampling.
@ NeighbourAverage
Does a simple average of values defined for all surrounding faces/vertices.
void setEdgeStrokeWidth(const QgsInterpolatedLineWidth &strokeWidth)
Sets the stroke width used to render edges scalar dataset.
void setDataResamplingMethod(const DataResamplingMethod &dataResamplingMethod)
Sets data interpolation method.
Represents all mesh renderer settings.
void setActiveVectorDatasetGroup(int activeVectorDatasetGroup)
Sets the active vector dataset group.
QgsMeshRendererScalarSettings scalarSettings(int groupIndex) const
Returns renderer settings.
int activeVectorDatasetGroup() const
Returns the active vector dataset group.
bool hasVectorSettings(int groupIndex) const
Returns whether groupIndex has existing vector settings.
QgsMesh3DAveragingMethod * averagingMethod() const
Returns averaging method for conversion of 3d stacked mesh data to 2d data.
bool removeVectorSettings(int groupIndex)
Removes vector settings for groupIndex.
bool hasSettings(int datasetGroupIndex) const
Returns whether the group with index has render settings (scalar or vector)
int activeScalarDatasetGroup() const
Returns the active scalar dataset group.
QgsMeshRendererVectorSettings vectorSettings(int groupIndex) const
Returns renderer settings.
void setActiveScalarDatasetGroup(int activeScalarDatasetGroup)
Sets the active scalar dataset group.
void readXml(const QDomElement &elem, const QgsReadWriteContext &context=QgsReadWriteContext())
Reads configuration from the given DOM element.
void setVectorSettings(int groupIndex, const QgsMeshRendererVectorSettings &settings)
Sets new renderer settings.
QDomElement writeXml(QDomDocument &doc, const QgsReadWriteContext &context=QgsReadWriteContext()) const
Writes configuration to a new DOM element.
bool removeScalarSettings(int groupIndex)
Removes scalar settings with groupIndex.
void setScalarSettings(int groupIndex, const QgsMeshRendererScalarSettings &settings)
Sets new renderer settings.
void setNativeMeshSettings(const QgsMeshRendererMeshSettings &settings)
Sets new native mesh renderer settings, triggers repaint.
Represents a renderer settings for vector datasets.
void setColorRampShader(const QgsColorRampShader &colorRampShader)
Returns the color ramp shader used to render vector datasets.
Represents an overview renderer settings.
QDomElement writeXml(QDomDocument &doc, const QgsReadWriteContext &context) const
Writes configuration to a new DOM element.
void setEnabled(bool isEnabled)
Sets if the overview is active.
double reductionFactor() const
Returns the reduction factor used to build simplified mesh.
bool isEnabled() const
Returns if the overview is active.
void readXml(const QDomElement &elem, const QgsReadWriteContext &context)
Reads configuration from the given DOM element.
Represents a mesh time settings for mesh datasets.
static void logMessage(const QString &message, const QString &tag=QString(), Qgis::MessageLevel level=Qgis::MessageLevel::Warning, bool notifyUser=true)
Adds a message to the log instance (and creates it if necessary).
static Qgis::BlendMode getBlendModeEnum(QPainter::CompositionMode blendMode)
Returns a Qgis::BlendMode corresponding to a QPainter::CompositionMode.
static QPainter::CompositionMode getCompositionMode(Qgis::BlendMode blendMode)
Returns a QPainter::CompositionMode corresponding to a Qgis::BlendMode.
QString writePath(const QString &filename) const
Prepare a filename to save it to the project file.
QString readPath(const QString &filename) const
Turn filename read from the project file to an absolute path.
A class to represent a 2D point.
double distance(double x, double y) const
Returns the distance between this point and a specified x, y coordinate.
double sqrDistToSegment(double x1, double y1, double x2, double y2, QgsPointXY &minDistPoint, double epsilon=DEFAULT_SEGMENT_EPSILON) const
Returns the minimum distance between this point and a segment.
Point geometry type, with support for z-dimension and m-values.
double distance(double x, double y) const
Returns the Cartesian 2D distance between this point and a specified x, y coordinate.
Encapsulates properties and constraints relating to fetching elevation profiles from different source...
QString absoluteToRelativeUri(const QString &providerKey, const QString &uri, const QgsReadWriteContext &context) const
Converts absolute path(s) to relative path(s) in the given provider-specific URI.
static QgsProviderRegistry * instance(const QString &pluginPath=QString())
Means of accessing canonical single instance.
QString relativeToAbsoluteUri(const QString &providerKey, const QString &uri, const QgsReadWriteContext &context) const
Converts relative path(s) to absolute path(s) in the given provider-specific URI.
virtual void setMaximumValue(double value)
Sets the maximum value for the raster shader.
virtual void setMinimumValue(double value)
Sets the minimum value for the raster shader.
The class is used as a container of context for various read/write operations on other objects.
const QgsPathResolver & pathResolver() const
Returns path resolver for conversion between relative and absolute paths.
A rectangle specified with double values.
QString toString(int precision=16) const
Returns a string representation of form xmin,ymin : xmax,ymax Coordinates will be truncated to the sp...
void setNull()
Mark a rectangle as being null (holding no spatial information).
Contains information about the context of a rendering operation.
QgsCoordinateTransform coordinateTransform() const
Returns the current coordinate transform for the context.
static QgsStyle * defaultStyle()
Returns default application-wide style.
QgsColorRamp * colorRamp(const QString &name) const
Returns a new copy of the specified color ramp.
bool isActive() const
Returns true if the temporal property is active.
void setIsActive(bool active)
Sets whether the temporal property is active.
T begin() const
Returns the beginning of the range.
static QgsMeshEditingError checkTopology(const QgsMesh &mesh, int maxVerticesPerFace)
Checks the topology of the mesh mesh, if error occurs, this mesh can't be edited.
Triangular/Derived Mesh is mesh with vertices in map coordinates.
const QVector< QgsMeshFace > & triangles() const
Returns triangles.
QList< int > edgeIndexesForRectangle(const QgsRectangle &rectangle) const
Finds indexes of edges intersecting given bounding box It uses spatial indexing.
const QVector< QgsMeshVertex > & vertices() const
Returns vertices in map coordinate system.
const QVector< QgsMeshEdge > & edges() const
Returns edges.
bool contains(const QgsMesh::ElementType &type) const
Returns whether the mesh contains mesh elements of given type.
const QVector< int > & trianglesToNativeFaces() const
Returns mapping between triangles and original faces.
int faceIndexForPoint_v2(const QgsPointXY &point) const
Finds index of triangle at given point It uses spatial indexing and don't use geos to be faster.
#define QgsDebugMsgLevel(str, level)
QVector< int > QgsMeshFace
List of vertex indexes.
QPair< int, int > QgsMeshEdge
Edge is a straight line seqment between 2 points.
#define INVALID_MESHLAYER_TIME
#define QGIS_PROTECT_QOBJECT_THREAD_ACCESS
Setting options for creating vector data providers.
Setting options for loading mesh layers.
QgsCoordinateTransformContext transformContext
Coordinate transform context.
bool loadDefaultStyle
Set to true if the default layer style should be loaded.
bool skipCrsValidation
Controls whether the layer is allowed to have an invalid/unknown CRS.
Mesh - vertices, edges and faces.
ElementType
Defines type of mesh elements.