53 const QString &baseName,
54 const QString &providerKey,
69 QgsMeshLayer::setDataSourcePrivate( meshLayerPath, baseName, providerKey, providerOptions,
flags );
82void QgsMeshLayer::createSimplifiedMeshes()
86 if ( mSimplificationSettings.
isEnabled() && !hasSimplifiedMeshes() )
88 const double reductionFactor = mSimplificationSettings.
reductionFactor();
90 QVector<QgsTriangularMesh *> simplifyMeshes =
91 mTriangularMeshes[0]->simplifyMesh( reductionFactor );
93 for (
int i = 0; i < simplifyMeshes.count() ; ++i )
95 mTriangularMeshes.emplace_back( simplifyMeshes[i] );
100bool QgsMeshLayer::hasSimplifiedMeshes()
const
105 return ( mTriangularMeshes.size() > 1 );
111 delete mDataProvider;
118 return mDataProvider;
125 return mDataProvider;
140 layer->mElevationProperties = mElevationProperties->
clone();
141 layer->mElevationProperties->setParent( layer );
157 return mMeshEditor->
extent();
160 return mDataProvider->
extent();
180 if ( !mDataProvider )
197 for (
const int index : groupsList )
198 assignDefaultStyleToDatasetGroup( index );
202 if ( !groupsList.isEmpty() )
208 if ( meta.
maximum() == std::numeric_limits<double>::quiet_NaN() &&
209 meta.
minimum() == std::numeric_limits<double>::quiet_NaN() )
220 for (
const int i : groupsList )
222 assignDefaultStyleToDatasetGroup( i );
241 applyClassificationOnScalarSettings( meta, scalarSettings );
246 if ( !groupsList.isEmpty() )
261 if ( mDatasetGroupStore->addPersistentDatasets( path ) )
263 mExtraDatasetUri.append( path );
265 if ( !isTemporalBefore && temporalCapabilities->hasTemporalCapabilities() )
268 temporalCapabilities );
272 QDateTime referenceTime = defaultReferenceTime;
273 if ( !defaultReferenceTime.isValid() )
274 referenceTime = QDateTime( QDate::currentDate(), QTime( 0, 0, 0 ), Qt::UTC );
291 if ( mDatasetGroupStore->addDatasetGroup( datasetGroup ) )
303 return mDatasetGroupStore->saveDatasetGroup( path, datasetGroupIndex, driver );
310 return mNativeMesh.get();
317 return mNativeMesh.get();
324 for (
const std::unique_ptr<QgsTriangularMesh> &lod : mTriangularMeshes )
326 if ( lod && lod->averageTriangleSize() > minimumTriangleSize )
330 if ( !mTriangularMeshes.empty() )
331 return mTriangularMeshes.back().get();
340 return mTriangularMeshes.size();
347 if ( mTriangularMeshes.empty() )
350 return mTriangularMeshes.front().get();
352 if ( lodIndex >=
int( mTriangularMeshes.size() ) )
353 return mTriangularMeshes.back().get();
355 return mTriangularMeshes.at( lodIndex ).get();
370 if ( mTriangularMeshes.empty() )
373 mTriangularMeshes.emplace_back( baseMesh );
376 if ( mTriangularMeshes[0].get()->update( mNativeMesh.get(), transform ) )
377 mTriangularMeshes.resize( 1 );
379 createSimplifiedMeshes();
386 return mRendererCache.get();
393 return mRendererSettings;
402 mRendererSettings = settings;
418 return mTimeSettings;
425 mTimeSettings = settings;
434 return QgsMeshLayerUtils::formatTime( hours, mTemporalProperties->
referenceTime(), mTimeSettings );
436 return QgsMeshLayerUtils::formatTime( hours, QDateTime(), mTimeSettings );
443 return mDatasetGroupStore->datasetGroupCount();
450 return mDatasetGroupStore->extraDatasetGroupCount();
457 return mDatasetGroupStore->datasetGroupIndexes();
464 return mDatasetGroupStore->enabledDatasetGroupIndexes();
471 return mDatasetGroupStore->datasetGroupMetadata( index );
478 return mDatasetGroupStore->datasetCount( index.
group() );
485 return mDatasetGroupStore->datasetMetadata( index );
492 return mDatasetGroupStore->datasetValue( index, valueIndex );
499 return mDatasetGroupStore->datasetValues( index, valueIndex, count );
506 return mDatasetGroupStore->dataset3dValues( index, faceIndex, count );
513 return mDatasetGroupStore->areFacesActive( index, faceIndex, count );
520 return mDatasetGroupStore->isFaceActive( index, faceIndex );
534 const QgsRectangle searchRectangle( point.
x() - searchRadius, point.
y() - searchRadius, point.
x() + searchRadius, point.
y() + searchRadius );
538 if ( faceIndex >= 0 )
555 const int v1 = face[0], v2 = face[1], v3 = face[2];
560 const double x = QgsMeshLayerUtils::interpolateFromVerticesData( p1, p2, p3, val1.
x(), val2.
x(), val3.
x(), point );
561 double y = std::numeric_limits<double>::quiet_NaN();
564 y = QgsMeshLayerUtils::interpolateFromVerticesData( p1, p2, p3, val1.
y(), val2.
y(), val3.
y(), point );
579 value = block2d.
value( 0 );
609 if ( faceIndex >= 0 )
625 const int selectedIndex = closestEdge( point, searchRadius, projectedPoint );
627 if ( selectedIndex >= 0 )
641 const int v1 = edge.first, v2 = edge.second;
645 const double edgeLength = p1.
distance( p2 );
646 const double dist1 = p1.
distance( projectedPoint.
x(), projectedPoint.
y() );
647 value = QgsMeshLayerUtils::interpolateFromVerticesData( dist1 / edgeLength, val1, val2 );
671 if ( ! mTemporalProperties->
isActive() )
674 const QDateTime layerReferenceTime = mTemporalProperties->
referenceTime();
675 QDateTime utcTime = timeRange.
begin();
676 if ( utcTime.timeSpec() != Qt::UTC )
677 utcTime.setTimeSpec( Qt::UTC );
678 const qint64 startTime = layerReferenceTime.msecsTo( utcTime );
680 return mDatasetGroupStore->datasetIndexAtTime( startTime, datasetGroupIndex, mTemporalProperties->
matchingMethod() );
687 return mDatasetGroupStore->datasetIndexAtTime( relativeTime.
seconds() * 1000, datasetGroupIndex, mTemporalProperties->
matchingMethod() );
694 qint64 usedRelativeTime1 = startRelativeTime.
seconds() * 1000;
695 qint64 usedRelativeTime2 = endRelativeTime.
seconds() * 1000;
707 return mDatasetGroupStore->datasetIndexInTimeInterval( usedRelativeTime1, usedRelativeTime2, datasetGroupIndex );
714 if ( meta.
extraOptions().contains( QStringLiteral(
"classification" ) ) )
718 const QStringList classes = meta.
extraOptions()[QStringLiteral(
"classification" )].split( QStringLiteral(
";;" ) );
721 if ( meta.
extraOptions().contains( QStringLiteral(
"units" ) ) )
722 units = meta.
extraOptions()[ QStringLiteral(
"units" )];
724 QVector<QVector<double>> bounds;
725 for (
const QString &classe : classes )
727 const QStringList boundsStr = classe.split(
',' );
728 QVector<double> bound;
729 for (
const QString &boundStr : boundsStr )
730 bound.append( boundStr.toDouble() );
731 bounds.append( bound );
734 if ( ( bounds.count() == 1 && bounds.first().count() > 2 ) ||
735 ( bounds.count() > 1 ) )
737 const QVector<double> firstClass = bounds.first();
738 const QVector<double> lastClass = bounds.last();
739 const double minValue = firstClass.count() > 1 ? ( firstClass.first() + firstClass.last() ) / 2 : firstClass.first();
740 const double maxValue = lastClass.count() > 1 ? ( lastClass.first() + lastClass.last() ) / 2 : lastClass.first();
741 const double diff = maxValue - minValue;
742 QList<QgsColorRampShader::ColorRampItem> colorRampItemlist;
743 for (
int i = 0; i < bounds.count(); ++i )
745 const QVector<double> &boundClass = bounds.at( i );
748 if ( !boundClass.isEmpty() )
750 const double scalarValue = ( boundClass.first() + boundClass.last() ) / 2;
751 item.
color = colorRamp->
color( ( scalarValue - minValue ) / diff );
752 if ( i != 0 && i < bounds.count() - 1 )
754 item.
label = QString( (
"%1 - %2 %3" ) ).
755 arg( QString::number( boundClass.first() ) ).
756 arg( QString::number( boundClass.last() ) ).
760 colorRampItemlist.append( item );
763 if ( firstClass.count() == 1 )
764 colorRampItemlist.first().label = QObject::tr(
"below %1 %2" ).
765 arg( QString::number( firstClass.first() ) ).
769 colorRampItemlist.first().label = QString( (
"%1 - %2 %3" ) ).
770 arg( QString::number( firstClass.first() ) ).
771 arg( QString::number( firstClass.last() ) ).
775 if ( lastClass.count() == 1 )
776 colorRampItemlist.last().label = QObject::tr(
"above %1 %2" ).
777 arg( QString::number( lastClass.first() ) ).
781 colorRampItemlist.last().label = QString( (
"%1 - %2 %3" ) ).
782 arg( QString::number( lastClass.first() ) ).
783 arg( QString::number( lastClass.last() ) ).
804 if ( mTemporalProperties->
isActive() )
814 if ( mTemporalProperties->
isActive() )
820void QgsMeshLayer::fillNativeMesh()
824 Q_ASSERT( !mNativeMesh );
826 mNativeMesh.reset(
new QgsMesh() );
834void QgsMeshLayer::onDatasetGroupsAdded(
const QList<int> &datasetGroupIndexes )
839 for (
int datasetGroupIndex : datasetGroupIndexes )
841 if ( !mRendererSettings.
hasSettings( datasetGroupIndex ) )
842 assignDefaultStyleToDatasetGroup( datasetGroupIndex );
849void QgsMeshLayer::onMeshEdited()
853 mRendererCache.reset(
new QgsMeshLayerRendererCache() );
863 return mDatasetGroupStore->datasetGroupTreeItem();
870 mDatasetGroupStore->setDatasetGroupTreeItem( rootItem );
871 updateActiveDatasetGroups();
874int QgsMeshLayer::closestEdge(
const QgsPointXY &point,
double searchRadius,
QgsPointXY &projectedPoint )
const
878 const QgsRectangle searchRectangle( point.
x() - searchRadius, point.
y() - searchRadius, point.
x() + searchRadius, point.
y() + searchRadius );
882 int selectedIndex = -1;
886 double sqrMaxDistFromPoint = pow( searchRadius, 2 );
887 for (
const int edgeIndex : edgeIndexes )
893 const double sqrDist = point.
sqrDistToSegment( vertex1.
x(), vertex1.
y(), vertex2.
x(), vertex2.
y(), projPoint, 0 );
894 if ( sqrDist < sqrMaxDistFromPoint )
896 selectedIndex = edgeIndex;
897 projectedPoint = projPoint;
898 sqrMaxDistFromPoint = sqrDist;
903 return selectedIndex;
918 mTemporalProperties->
setReferenceTime( referenceTime, lDataProvider->temporalCapabilities() );
937 return exactPosition;
938 const QgsRectangle rectangle( point.
x() - searchRadius, point.
y() - searchRadius, point.
x() + searchRadius, point.
y() + searchRadius );
939 double maxDistance = searchRadius;
941 const QList<int> edgeIndexes = mesh->edgeIndexesForRectangle( rectangle );
942 for (
const int edgeIndex : edgeIndexes )
944 const QgsMeshEdge &edge = mesh->edges().at( edgeIndex );
947 const double dist1 = point.
distance( vertex1 );
948 const double dist2 = point.
distance( vertex2 );
949 if ( dist1 < maxDistance )
952 exactPosition = vertex1;
954 if ( dist2 < maxDistance )
957 exactPosition = vertex2;
962 const QList<int> faceIndexes = mesh->faceIndexesForRectangle( rectangle );
963 for (
const int faceIndex : faceIndexes )
965 const QgsMeshFace &face = mesh->triangles().at( faceIndex );
966 for (
int i = 0; i < 3; ++i )
969 const double dist = point.
distance( vertex );
970 if ( dist < maxDistance )
973 exactPosition = vertex;
978 return exactPosition;
986 closestEdge( point, searchRadius, projectedPoint );
988 return projectedPoint;
998 return centroidPosition;
999 const QgsRectangle rectangle( point.
x() - searchRadius, point.
y() - searchRadius, point.
x() + searchRadius, point.
y() + searchRadius );
1000 double maxDistance = std::numeric_limits<double>::max();
1002 const QList<int> faceIndexes = mesh->faceIndexesForRectangle( rectangle );
1003 for (
const int faceIndex : faceIndexes )
1005 const int nativefaceIndex = mesh->trianglesToNativeFaces().at( faceIndex );
1006 if ( nativefaceIndex < 0 && nativefaceIndex >= mesh->faceCentroids().count() )
1008 const QgsPointXY centroid = mesh->faceCentroids()[nativefaceIndex];
1009 const double dist = point.
distance( centroid );
1010 if ( dist < maxDistance )
1013 centroidPosition = centroid;
1017 return centroidPosition;
1024 mDatasetGroupStore->resetDatasetGroupTreeItem();
1025 updateActiveDatasetGroups();
1032 if ( !mDataProvider )
1035 for (
int i = 0; i < groupCount; ++i )
1049 const qint64 time = mDatasetGroupStore->datasetRelativeTime( index );
1061 return mDatasetGroupStore->datasetRelativeTime( index );
1073 message = QObject::tr(
"Face %1 invalid" ).arg( error.
elementIndex );
1076 message = QObject::tr(
"Too many vertices for face %1" ).arg( error.
elementIndex );
1079 message = QObject::tr(
"Face %1 is flat" ).arg( error.
elementIndex );
1082 message = QObject::tr(
"Vertex %1 is a unique shared vertex" ).arg( error.
elementIndex );
1085 message = QObject::tr(
"Vertex %1 is invalid" ).arg( error.
elementIndex );
1088 message = QObject::tr(
"Face %1 is manifold" ).arg( error.
elementIndex );
1127 mRendererCache.reset();
1135 mMeshEditor->deleteLater();
1136 mMeshEditor =
nullptr;
1144 mDataProvider->
close();
1147 mExtraDatasetUri.clear();
1151 if ( mDatasetGroupStore->addDatasetGroup( zValueDatasetGroup.get() ) )
1152 zValueDatasetGroup.release();
1169 QString detailsError;
1173 detailsError = tr(
"Unknown inconsistent mesh error" );
1178 detailsError = detailsErrorMessage(
error );
1181 if ( !detailsError.isEmpty() )
1190 if ( !mDataProvider )
1193 const bool res = mDataProvider->
saveMeshFrame( *mNativeMesh.get() );
1195 if ( continueEditing )
1202 mMeshEditor->deleteLater();
1203 mMeshEditor =
nullptr;
1209 mDatasetGroupStore->setPersistentProvider( mDataProvider, QStringList() );
1220 if ( !mDataProvider )
1223 mTriangularMeshes.clear();
1227 mRendererCache.reset(
new QgsMeshLayerRendererCache() );
1230 if ( continueEditing )
1237 mMeshEditor->deleteLater();
1238 mMeshEditor =
nullptr;
1242 mDatasetGroupStore->setPersistentProvider( mDataProvider, QStringList() );
1257 mTriangularMeshes.at( 0 )->update( mNativeMesh.get(), transform );
1258 mRendererCache.reset(
new QgsMeshLayerRendererCache() );
1268 if ( !mMeshEditor->
reindex( renumber ) )
1271 mTriangularMeshes.clear();
1273 mTriangularMeshes.at( 0 )->update( mNativeMesh.get(), transform );
1274 mRendererCache.reset(
new QgsMeshLayerRendererCache() );
1319 else if ( mDataProvider )
1330 else if ( mDataProvider )
1340 return mNativeMesh->edgeCount();
1341 else if ( mDataProvider )
1346void QgsMeshLayer::updateActiveDatasetGroups()
1352 if ( !mDatasetGroupStore->datasetGroupTreeItem() )
1362 if ( !activeScalarItem && treeItem->childCount() > 0 && oldActiveScalar != -1 )
1363 activeScalarItem = treeItem->
child( 0 );
1365 if ( activeScalarItem && !activeScalarItem->
isEnabled() )
1367 for (
int i = 0; i < treeItem->childCount(); ++i )
1369 activeScalarItem = treeItem->
child( i );
1373 activeScalarItem =
nullptr;
1377 if ( activeScalarItem )
1385 if ( !( activeVectorItem && activeVectorItem->
isEnabled() ) )
1398 QString activeScalarName;
1399 QString activeVectorName;
1404 for (
auto it = nameToIndex.constBegin(); it != nameToIndex.constEnd(); ++it )
1406 int index = it.value();
1407 const QString
name = it.key() ;
1408 int globalIndex = mDatasetGroupStore->indexFromGroupName(
name );
1409 if ( globalIndex >= 0 )
1413 if ( settings.
hasVectorSettings( it.value() ) && mDatasetGroupStore->datasetGroupMetadata( globalIndex ).isVector() )
1426 if ( index == activeScalar )
1427 activeScalarName =
name;
1428 if ( index == activeVector )
1429 activeVectorName =
name;
1433 for (
int globalIndex : globalIndexes )
1435 const QString
name = mDatasetGroupStore->groupName( globalIndex );
1436 if ( !nameToIndex.contains(
name ) )
1439 if ( mDatasetGroupStore->datasetGroupMetadata( globalIndex ).isVector() )
1446 if ( !activeScalarName.isEmpty() )
1448 if ( !activeVectorName.isEmpty() )
1451 return consistentSettings;
1462 if ( !
mDataSource.isEmpty() && !provider.isEmpty() )
1463 setDataProvider( provider, options,
flags );
1470 switch ( elementType )
1473 return snapOnVertex( point, searchRadius );
1475 return snapOnEdge( point, searchRadius );
1477 return snapOnFace( point, searchRadius );
1500 context.
lastScope()->
setVariable( QStringLiteral(
"_native_mesh" ), QVariant::fromValue( *mNativeMesh ) );
1502 expression.
prepare( &context );
1504 for (
int i = 0; i < mNativeMesh->vertexCount(); ++i )
1508 if ( expression.
evaluate( &context ).toBool() )
1533 context.
lastScope()->
setVariable( QStringLiteral(
"_native_mesh" ), QVariant::fromValue( *mNativeMesh ) );
1535 expression.
prepare( &context );
1537 for (
int i = 0; i < mNativeMesh->faceCount(); ++i )
1541 if ( expression.
evaluate( &context ).toBool() )
1585 return mSimplificationSettings;
1592 mSimplificationSettings = simplifySettings;
1603 props[
"color1"] =
"13,8,135,255";
1604 props[
"color2"] =
"240,249,33,255";
1606 "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:"
1607 "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:"
1608 "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:"
1609 "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:"
1610 "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:"
1611 "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:"
1612 "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:"
1613 "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:"
1614 "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:"
1615 "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";
1619void QgsMeshLayer::assignDefaultStyleToDatasetGroup(
int groupIndex )
1624 const double groupMin =
metadata.minimum();
1625 const double groupMax =
metadata.maximum();
1628 fcn.classifyColorRamp( 5, -1,
QgsRectangle(),
nullptr );
1657 createSimplifiedMeshes();
1660 if ( !mRendererCache )
1661 mRendererCache.reset(
new QgsMeshLayerRendererCache() );
1673void QgsMeshLayer::checkSymbologyConsistency()
1677 const QList<int> groupIndexes = mDatasetGroupStore->datasetGroupIndexes();
1681 if ( !groupIndexes.empty() )
1699 Q_UNUSED( errorMessage )
1702 const QDomElement elem = node.toElement();
1707 const QDomElement elemRendererSettings = elem.firstChildElement(
"mesh-renderer-settings" );
1708 if ( !elemRendererSettings.isNull() )
1711 QMap<QString, int> groupNameToGlobalIndex;
1712 QDomElement nameToIndexElem = elem.firstChildElement(
"name-to-global-index" );
1713 while ( !nameToIndexElem.isNull() )
1715 const QString
name = nameToIndexElem.attribute( QStringLiteral(
"name" ) );
1716 int globalIndex = nameToIndexElem.attribute( QStringLiteral(
"global-index" ) ).toInt();
1717 groupNameToGlobalIndex.insert(
name, globalIndex );
1718 nameToIndexElem = nameToIndexElem.nextSiblingElement( QStringLiteral(
"name-to-global-index" ) );
1721 mRendererSettings = accordSymbologyWithGroupName(
rendererSettings, groupNameToGlobalIndex );
1723 checkSymbologyConsistency();
1725 const QDomElement elemSimplifySettings = elem.firstChildElement(
"mesh-simplify-settings" );
1726 if ( !elemSimplifySettings.isNull() )
1727 mSimplificationSettings.
readXml( elemSimplifySettings, context );
1730 const QDomNode blendModeNode = node.namedItem( QStringLiteral(
"blendMode" ) );
1731 if ( !blendModeNode.isNull() )
1733 const QDomElement e = blendModeNode.toElement();
1738 if ( categories.testFlag(
Labeling ) )
1742 QDomElement labelingElement = node.firstChildElement( QStringLiteral(
"labeling" ) );
1743 if ( !labelingElement.isNull() )
1746 mLabelsEnabled = node.toElement().attribute( QStringLiteral(
"labelsEnabled" ), QStringLiteral(
"0" ) ).toInt();
1754 const QDomNode layerOpacityNode = node.namedItem( QStringLiteral(
"layerOpacity" ) );
1755 if ( !layerOpacityNode.isNull() )
1757 const QDomElement e = layerOpacityNode.toElement();
1770 Q_UNUSED( errorMessage )
1773 QDomElement elem = node.toElement();
1777 const QDomElement elemRendererSettings = mRendererSettings.
writeXml( doc, context );
1778 elem.appendChild( elemRendererSettings );
1782 for (
int index : groupIndexes )
1784 QDomElement elemNameToIndex = doc.createElement( QStringLiteral(
"name-to-global-index" ) );
1785 elemNameToIndex.setAttribute( QStringLiteral(
"name" ), mDatasetGroupStore->groupName( index ) );
1786 elemNameToIndex.setAttribute( QStringLiteral(
"global-index" ), index );
1787 elem.appendChild( elemNameToIndex );
1790 const QDomElement elemSimplifySettings = mSimplificationSettings.
writeXml( doc, context );
1791 elem.appendChild( elemSimplifySettings );
1794 QDomElement blendModeElement = doc.createElement( QStringLiteral(
"blendMode" ) );
1796 blendModeElement.appendChild( blendModeText );
1797 node.appendChild( blendModeElement );
1799 if ( categories.testFlag(
Labeling ) )
1803 QDomElement labelingElement = mLabeling->
save( doc, context );
1804 elem.appendChild( labelingElement );
1806 elem.setAttribute( QStringLiteral(
"labelsEnabled" ), mLabelsEnabled ? QStringLiteral(
"1" ) : QStringLiteral(
"0" ) );
1812 QDomElement layerOpacityElem = doc.createElement( QStringLiteral(
"layerOpacity" ) );
1813 const QDomText layerOpacityText = doc.createTextNode( QString::number(
opacity() ) );
1814 layerOpacityElem.appendChild( layerOpacityText );
1815 node.appendChild( layerOpacityElem );
1825 return writeSymbology( node, doc, errorMessage, context, categories );
1832 return readSymbology( node, errorMessage, context, categories );
1856 const QDomNode pkeyNode = layer_node.namedItem( QStringLiteral(
"provider" ) );
1858 if ( pkeyNode.isNull() )
1864 const QDomElement pkeyElt = pkeyNode.toElement();
1876 const QDomElement elemExtraDatasets = layer_node.firstChildElement( QStringLiteral(
"extra-datasets" ) );
1877 if ( !elemExtraDatasets.isNull() )
1879 QDomElement elemUri = elemExtraDatasets.firstChildElement( QStringLiteral(
"uri" ) );
1880 while ( !elemUri.isNull() )
1883 mExtraDatasetUri.append( uri );
1884 elemUri = elemUri.nextSiblingElement( QStringLiteral(
"uri" ) );
1888 if ( pkeyNode.toElement().hasAttribute( QStringLiteral(
"time-unit" ) ) )
1889 mTemporalUnit =
static_cast<Qgis::TemporalUnit>( pkeyNode.toElement().attribute( QStringLiteral(
"time-unit" ) ).toInt() );
1892 const QDomElement elemDatasetGroupsStore = layer_node.firstChildElement( QStringLiteral(
"mesh-dataset-groups-store" ) );
1893 if ( elemDatasetGroupsStore.isNull() )
1896 mDatasetGroupStore->readXml( elemDatasetGroupsStore, context );
1907 const QDomElement elemStaticDataset = layer_node.firstChildElement( QStringLiteral(
"static-active-dataset" ) );
1908 if ( elemStaticDataset.hasAttribute( QStringLiteral(
"scalar" ) ) )
1910 mStaticScalarDatasetIndex = elemStaticDataset.attribute( QStringLiteral(
"scalar" ) ).toInt();
1912 if ( elemStaticDataset.hasAttribute( QStringLiteral(
"vector" ) ) )
1914 mStaticVectorDatasetIndex = elemStaticDataset.attribute( QStringLiteral(
"vector" ) ).toInt();
1925 QDomElement mapLayerNode = layer_node.toElement();
1927 if ( mapLayerNode.isNull() || ( QLatin1String(
"maplayer" ) != mapLayerNode.nodeName() ) )
1936 if ( mDataProvider )
1938 QDomElement provider = document.createElement( QStringLiteral(
"provider" ) );
1939 const QDomText providerText = document.createTextNode(
providerType() );
1940 provider.appendChild( providerText );
1941 layer_node.appendChild( provider );
1944 const QStringList extraDatasetUris = mDataProvider->
extraDatasets();
1945 QDomElement elemExtraDatasets = document.createElement( QStringLiteral(
"extra-datasets" ) );
1946 for (
const QString &uri : extraDatasetUris )
1949 QDomElement elemUri = document.createElement( QStringLiteral(
"uri" ) );
1950 elemUri.appendChild( document.createTextNode( path ) );
1951 elemExtraDatasets.appendChild( elemUri );
1953 layer_node.appendChild( elemExtraDatasets );
1956 QDomElement elemStaticDataset = document.createElement( QStringLiteral(
"static-active-dataset" ) );
1957 elemStaticDataset.setAttribute( QStringLiteral(
"scalar" ), mStaticScalarDatasetIndex );
1958 elemStaticDataset.setAttribute( QStringLiteral(
"vector" ), mStaticVectorDatasetIndex );
1959 layer_node.appendChild( elemStaticDataset );
1963 layer_node.appendChild( mDatasetGroupStore->writeXml( document, context ) );
1967 return writeSymbology( layer_node, document, errorMsg, context );
1974 if ( !mMeshEditor && mDataProvider && mDataProvider->
isValid() )
1977 mDatasetGroupStore->setPersistentProvider( mDataProvider, QStringList() );
1981 mNativeMesh.reset(
new QgsMesh );
1989 mTriangularMeshes.clear();
1992 mRendererCache.reset(
new QgsMeshLayerRendererCache() );
1994 checkSymbologyConsistency();
2004 if ( mDataProvider )
2007 return QStringList();
2015 QString myMetadata = QStringLiteral(
"<html>\n<body>\n" );
2020 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Information from provider" ) + QStringLiteral(
"</h1>\n<hr>\n" );
2021 myMetadata += QLatin1String(
"<table class=\"list-view\">\n" );
2024 myMetadata += QStringLiteral(
"<tr><td class=\"highlight\">" ) + tr(
"Extent" ) + QStringLiteral(
"</td><td>" ) +
extent().
toString() + QStringLiteral(
"</td></tr>\n" );
2027 QLocale locale = QLocale();
2028 locale.setNumberOptions( locale.numberOptions() &= ~QLocale::NumberOption::OmitGroupSeparator );
2032 myMetadata += QStringLiteral(
"<tr><td class=\"highlight\">" )
2033 + tr(
"Vertex count" ) + QStringLiteral(
"</td><td>" )
2035 + QStringLiteral(
"</td></tr>\n" );
2036 myMetadata += QStringLiteral(
"<tr><td class=\"highlight\">" )
2037 + tr(
"Face count" ) + QStringLiteral(
"</td><td>" )
2038 + ( locale.toString(
static_cast<qlonglong
>(
meshFaceCount() ) ) )
2039 + QStringLiteral(
"</td></tr>\n" );
2040 myMetadata += QStringLiteral(
"<tr><td class=\"highlight\">" )
2041 + tr(
"Edge count" ) + QStringLiteral(
"</td><td>" )
2042 + ( locale.toString(
static_cast<qlonglong
>(
meshEdgeCount() ) ) )
2043 + QStringLiteral(
"</td></tr>\n" );
2044 myMetadata += QStringLiteral(
"<tr><td class=\"highlight\">" )
2045 + tr(
"Dataset groups count" ) + QStringLiteral(
"</td><td>" )
2047 + QStringLiteral(
"</td></tr>\n" );
2048 myMetadata += provider->htmlMetadata();
2052 myMetadata += QLatin1String(
"</table>\n<br><br>" );
2058 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Identification" ) + QStringLiteral(
"</h1>\n<hr>\n" );
2059 myMetadata += htmlFormatter.identificationSectionHtml( );
2060 myMetadata += QLatin1String(
"<br><br>\n" );
2063 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Extent" ) + QStringLiteral(
"</h1>\n<hr>\n" );
2064 myMetadata += htmlFormatter.extentSectionHtml(
isSpatial() );
2065 myMetadata += QLatin1String(
"<br><br>\n" );
2068 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Access" ) + QStringLiteral(
"</h1>\n<hr>\n" );
2069 myMetadata += htmlFormatter.accessSectionHtml( );
2070 myMetadata += QLatin1String(
"<br><br>\n" );
2073 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Contacts" ) + QStringLiteral(
"</h1>\n<hr>\n" );
2074 myMetadata += htmlFormatter.contactsSectionHtml( );
2075 myMetadata += QLatin1String(
"<br><br>\n" );
2078 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Links" ) + QStringLiteral(
"</h1>\n<hr>\n" );
2079 myMetadata += htmlFormatter.linksSectionHtml( );
2080 myMetadata += QLatin1String(
"<br><br>\n" );
2083 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"History" ) + QStringLiteral(
"</h1>\n<hr>\n" );
2084 myMetadata += htmlFormatter.historySectionHtml( );
2085 myMetadata += QLatin1String(
"<br><br>\n" );
2089 myMetadata += QLatin1String(
"\n</body>\n</html>\n" );
2104 mDatasetGroupStore->setPersistentProvider(
nullptr, QStringList() );
2106 delete mDataProvider;
2112 mDataProvider = qobject_cast< QgsMeshDataProvider * >(
mPreloadedProvider.release() );
2116 std::unique_ptr< QgsScopedRuntimeProfile > profile;
2118 profile = std::make_unique< QgsScopedRuntimeProfile >( tr(
"Create %1 provider" ).arg( provider ), QStringLiteral(
"projectload" ) );
2123 if ( !mDataProvider )
2125 QgsDebugMsgLevel( QStringLiteral(
"Unable to get mesh data provider" ), 2 );
2129 mDataProvider->setParent(
this );
2130 QgsDebugMsgLevel( QStringLiteral(
"Instantiated the mesh data provider plugin" ), 2 );
2139 if ( !mTemporalProperties->
isValid() )
2146 mDatasetGroupStore->setPersistentProvider( mDataProvider, mExtraDatasetUri );
2150 if ( provider == QLatin1String(
"mesh_memory" ) )
2159 int globalIndex = mDatasetGroupStore->globalDatasetGroupIndexInSource( mDataProvider, i );
2160 if ( globalIndex != -1 &&
2162 assignDefaultStyleToDatasetGroup( globalIndex );
2177 return mTemporalProperties;
2184 return mElevationProperties;
2191 return mLabelsEnabled &&
static_cast< bool >( mLabeling );
2198 mLabelsEnabled = enabled;
The Qgis class provides global constants for use throughout the application.
@ Exact
Assigns the color of the exact matching value in the color ramp item list.
@ 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.
QFlags< DataProviderReadFlag > DataProviderReadFlags
Flags which control data provider construction.
@ EqualInterval
Uses equal interval.
@ Mesh
Mesh layer. Added in QGIS 3.2.
@ LoadDefaultStyle
Reset the layer's style to the default for the datasource.
QgsVertexIterator vertices() const
Returns a read-only, Java-style iterator for traversal of vertices of all the geometry,...
Abstract base class - its implementations define different approaches to the labeling of a mesh layer...
static QgsAbstractMeshLayerLabeling * create(const QDomElement &element, const QgsReadWriteContext &context)
Try to create instance of an implementation based on the XML data.
virtual QDomElement save(QDomDocument &doc, const QgsReadWriteContext &context) const =0
Returns labeling configuration as XML element.
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.
void setClassificationMode(Qgis::ShaderClassificationMethod classificationMode)
Sets the classification mode.
QgsColorRamp * sourceColorRamp() const
Returns the source color ramp.
void setColorRampType(Qgis::ShaderInterpolationMethod colorRampType)
Sets the color ramp interpolation method.
void setColorRampItemList(const QList< QgsColorRampShader::ColorRampItem > &list)
Sets a custom color map.
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.
Base class for handling properties relating to a data provider's temporal capabilities.
bool hasTemporalCapabilities() const
Returns true if the provider has temporal capabilities available.
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.
static Qgis::DataProviderReadFlags providerReadFlags(const QDomNode &layerNode, QgsMapLayer::ReadFlags layerReadFlags)
Returns provider read flag deduced from layer read flags layerReadFlags and a dom node layerNode that...
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....
QFlags< StyleCategory > StyleCategories
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 customPropertyHtmlMetadata() const
Returns an HTML fragment containing custom property information, for use in the htmlMetadata() method...
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.
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.
QgsMeshDatasetIndex activeVectorDatasetAtTime(const QgsDateTimeRange &timeRange, int group=-1) const
Returns dataset index from active vector group depending on the time range If the temporal properties...
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.
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.
const QgsAbstractMeshLayerLabeling * labeling() const
Access to const labeling configuration.
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...
QgsMeshDatasetIndex staticVectorDatasetIndex(int group=-1) const
Returns the static vector dataset index that is rendered if the temporal properties is not active.
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 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 setLabeling(QgsAbstractMeshLayerLabeling *labeling)
Sets labeling configuration.
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.
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.
void setLabelsEnabled(bool enabled)
Sets whether labels should be enabled for the layer.
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
Write the style for the layer into the document provided.
int meshVertexCount() const
Returns the vertices count of the mesh frame.
bool labelsEnabled() const
Returns whether the layer contains labels which are enabled and should be drawn.
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.
QgsMeshDatasetIndex activeScalarDatasetAtTime(const QgsDateTimeRange &timeRange, int group=-1) const
Returns dataset index from active scalar group depending on the time range.
QgsTriangularMesh * triangularMesh(double minimumTriangleSize=0) const
Returns triangular mesh (nullptr before rendering or calling to updateMesh).
QgsMeshDatasetIndex staticScalarDatasetIndex(int group=-1) const
Returns the static scalar dataset index that is rendered if the temporal properties is not active.
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
Read the symbology for the current layer from the DOM node supplied.
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.
@ NoResampling
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.
Allows entering a context category and takes care of leaving this category on deletion of the class.
The class is used as a container of context for various read/write operations on other objects.
MAYBE_UNUSED NODISCARD QgsReadWriteContextCategoryPopper enterCategory(const QString &category, const QString &details=QString()) const
Push a category to the stack.
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.
QgsColorRamp * colorRamp(const QString &name) const
Returns a new copy of the specified color ramp.
static QgsStyle * defaultStyle(bool initialize=true)
Returns the default application-wide style.
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.