std::unique_ptr<QgsMultiLineString> QgsGeometryFactory::fromMultiPolyline( const QgsMultiPolyline &multiline )
{
std::unique_ptr< QgsMultiLineString > mLine( new QgsMultiLineString() );
for ( int i = 0; i < multiline.size(); ++i )
{
mLine->addGeometry( fromPolyline( multiline.at( i ) ).release() );
}
return mLine;
}
QgsGeometry* QgsGeometryAnalyzer::locateBetweenMeasures( double fromMeasure, double toMeasure, QgsGeometry* lineGeom )
{
if ( !lineGeom )
{
return 0;
}
QgsMultiPolyline resultGeom;
//need to go with WKB and z coordinate until QgsGeometry supports M values
unsigned char* lineWkb = lineGeom->asWkb();
unsigned char* ptr = lineWkb + 1;
QGis::WkbType wkbType;
memcpy( &wkbType, ptr, sizeof( wkbType ) );
ptr += sizeof( wkbType );
if ( wkbType != QGis::WKBLineString25D && wkbType != QGis::WKBMultiLineString25D )
{
return 0;
}
if ( wkbType == QGis::WKBLineString25D )
{
locateBetweenWkbString( ptr, resultGeom, fromMeasure, toMeasure );
}
else if ( wkbType == QGis::WKBMultiLineString25D )
{
int* nLines = ( int* )ptr;
ptr += sizeof( int );
for ( int i = 0; i < *nLines; ++i )
{
ptr += ( 1 + sizeof( wkbType ) );
ptr = locateBetweenWkbString( ptr, resultGeom, fromMeasure, toMeasure );
}
}
if ( resultGeom.size() < 1 )
{
return 0;
}
return QgsGeometry::fromMultiPolyline( resultGeom );
}
void QgsGeometryValidator::run()
{
mErrorCount = 0;
QSettings settings;
if ( settings.value( QStringLiteral( "/qgis/digitizing/validate_geometries" ), 1 ).toInt() == 2 )
{
char *r = nullptr;
const GEOSGeometry *g0 = mG.asGeos();
GEOSContextHandle_t handle = QgsGeometry::getGEOSHandler();
if ( !g0 )
{
emit errorFound( QgsGeometry::Error( QObject::tr( "GEOS error:could not produce geometry for GEOS (check log window)" ) ) );
}
else
{
GEOSGeometry *g1 = nullptr;
if ( GEOSisValidDetail_r( handle, g0, GEOSVALID_ALLOW_SELFTOUCHING_RING_FORMING_HOLE, &r, &g1 ) != 1 )
{
if ( g1 )
{
const GEOSCoordSequence *cs = GEOSGeom_getCoordSeq_r( handle, g1 );
unsigned int n;
if ( GEOSCoordSeq_getSize_r( handle, cs, &n ) && n == 1 )
{
double x, y;
GEOSCoordSeq_getX_r( handle, cs, 0, &x );
GEOSCoordSeq_getY_r( handle, cs, 0, &y );
emit errorFound( QgsGeometry::Error( QObject::tr( "GEOS error:%1" ).arg( r ), QgsPoint( x, y ) ) );
mErrorCount++;
}
GEOSGeom_destroy_r( handle, g1 );
}
else
{
emit errorFound( QgsGeometry::Error( QObject::tr( "GEOS error:%1" ).arg( r ) ) );
mErrorCount++;
}
GEOSFree_r( handle, r );
}
}
return;
}
QgsDebugMsg( "validation thread started." );
QgsWkbTypes::Type flatType = QgsWkbTypes::flatType( mG.wkbType() );
//if ( flatType == QgsWkbTypes::Point || flatType == QgsWkbTypes::MultiPoint )
// break;
if ( flatType == QgsWkbTypes::LineString )
{
validatePolyline( 0, mG.asPolyline() );
}
else if ( flatType == QgsWkbTypes::MultiLineString )
{
QgsMultiPolyline mp = mG.asMultiPolyline();
for ( int i = 0; !mStop && i < mp.size(); i++ )
validatePolyline( i, mp[i] );
}
else if ( flatType == QgsWkbTypes::Polygon )
{
validatePolygon( 0, mG.asPolygon() );
}
else if ( flatType == QgsWkbTypes::MultiPolygon )
{
QgsMultiPolygon mp = mG.asMultiPolygon();
for ( int i = 0; !mStop && i < mp.size(); i++ )
{
validatePolygon( i, mp[i] );
}
for ( int i = 0; !mStop && i < mp.size(); i++ )
{
if ( mp[i].isEmpty() )
{
emit errorFound( QgsGeometry::Error( QObject::tr( "polygon %1 has no rings" ).arg( i ) ) );
mErrorCount++;
continue;
}
for ( int j = i + 1; !mStop && j < mp.size(); j++ )
{
if ( mp[j].isEmpty() )
continue;
if ( ringInRing( mp[i][0], mp[j][0] ) )
{
emit errorFound( QgsGeometry::Error( QObject::tr( "polygon %1 inside polygon %2" ).arg( i ).arg( j ) ) );
mErrorCount++;
}
else if ( ringInRing( mp[j][0], mp[i][0] ) )
{
emit errorFound( QgsGeometry::Error( QObject::tr( "polygon %1 inside polygon %2" ).arg( j ).arg( i ) ) );
mErrorCount++;
}
else
{
checkRingIntersections( i, 0, mp[i][0], j, 0, mp[j][0] );
}
}
}
}
else if ( flatType == QgsWkbTypes::Unknown )
{
QgsDebugMsg( QObject::tr( "Unknown geometry type" ) );
emit errorFound( QgsGeometry::Error( QObject::tr( "Unknown geometry type %1" ).arg( mG.wkbType() ) ) );
mErrorCount++;
}
QgsDebugMsg( "validation finished." );
if ( mStop )
{
emit errorFound( QgsGeometry::Error( QObject::tr( "Geometry validation was aborted." ) ) );
}
else if ( mErrorCount > 0 )
{
emit errorFound( QgsGeometry::Error( QObject::tr( "Geometry has %1 errors." ).arg( mErrorCount ) ) );
}
#if 0
else
{
emit errorFound( QgsGeometry::Error( QObject::tr( "Geometry is valid." ) ) );
}
#endif
}
void QgsRubberBand::addGeometry( const QgsGeometry& geom, QgsVectorLayer* layer )
{
if ( geom.isEmpty() )
{
return;
}
//maprender object of canvas
const QgsMapSettings& ms = mMapCanvas->mapSettings();
int idx = mPoints.size();
switch ( geom.wkbType() )
{
case QgsWkbTypes::Point:
case QgsWkbTypes::Point25D:
{
QgsPoint pt;
if ( layer )
{
pt = ms.layerToMapCoordinates( layer, geom.asPoint() );
}
else
{
pt = geom.asPoint();
}
addPoint( pt, false, idx );
removeLastPoint( idx, false );
}
break;
case QgsWkbTypes::MultiPoint:
case QgsWkbTypes::MultiPoint25D:
{
QgsMultiPoint mpt = geom.asMultiPoint();
for ( int i = 0; i < mpt.size(); ++i, ++idx )
{
QgsPoint pt = mpt[i];
if ( layer )
{
addPoint( ms.layerToMapCoordinates( layer, pt ), false, idx );
removeLastPoint( idx, false );
}
else
{
addPoint( pt, false, idx );
removeLastPoint( idx, false );
}
}
}
break;
case QgsWkbTypes::LineString:
case QgsWkbTypes::LineString25D:
{
QgsPolyline line = geom.asPolyline();
for ( int i = 0; i < line.count(); i++ )
{
if ( layer )
{
addPoint( ms.layerToMapCoordinates( layer, line[i] ), false, idx );
}
else
{
addPoint( line[i], false, idx );
}
}
}
break;
case QgsWkbTypes::MultiLineString:
case QgsWkbTypes::MultiLineString25D:
{
QgsMultiPolyline mline = geom.asMultiPolyline();
for ( int i = 0; i < mline.size(); ++i, ++idx )
{
QgsPolyline line = mline[i];
if ( line.isEmpty() )
{
--idx;
}
for ( int j = 0; j < line.size(); ++j )
{
if ( layer )
{
addPoint( ms.layerToMapCoordinates( layer, line[j] ), false, idx );
}
else
{
addPoint( line[j], false, idx );
}
}
}
}
break;
case QgsWkbTypes::Polygon:
case QgsWkbTypes::Polygon25D:
{
QgsPolygon poly = geom.asPolygon();
QgsPolyline line = poly[0];
for ( int i = 0; i < line.count(); i++ )
{
if ( layer )
{
addPoint( ms.layerToMapCoordinates( layer, line[i] ), false, idx );
}
else
{
addPoint( line[i], false, idx );
}
}
}
break;
case QgsWkbTypes::MultiPolygon:
case QgsWkbTypes::MultiPolygon25D:
{
QgsMultiPolygon multipoly = geom.asMultiPolygon();
for ( int i = 0; i < multipoly.size(); ++i, ++idx )
{
QgsPolygon poly = multipoly[i];
QgsPolyline line = poly[0];
for ( int j = 0; j < line.count(); ++j )
{
if ( layer )
{
addPoint( ms.layerToMapCoordinates( layer, line[j] ), false, idx );
}
else
{
addPoint( line[j], false, idx );
}
}
}
}
break;
case QgsWkbTypes::Unknown:
default:
return;
}
setVisible( true );
updateRect();
update();
}
void QgsRubberBand::addGeometry( QgsGeometry* geom, QgsVectorLayer* layer )
{
if ( !geom )
{
return;
}
//maprender object of canvas
QgsMapRenderer* mr = mMapCanvas->mapRenderer();
if ( !mr )
{
return;
}
int idx = mPoints.size();
switch ( geom->wkbType() )
{
case QGis::WKBPoint:
case QGis::WKBPoint25D:
{
QgsPoint pt;
if ( layer )
{
pt = mr->layerToMapCoordinates( layer, geom->asPoint() );
}
else
{
pt = geom->asPoint();
}
addPoint( pt, false, idx );
}
break;
case QGis::WKBMultiPoint:
case QGis::WKBMultiPoint25D:
{
QgsMultiPoint mpt = geom->asMultiPoint();
for ( int i = 0; i < mpt.size(); ++i, ++idx )
{
QgsPoint pt = mpt[i];
if ( layer )
{
addPoint( mr->layerToMapCoordinates( layer, pt ), false, idx );
}
else
{
addPoint( pt, false, idx );
}
}
}
break;
case QGis::WKBLineString:
case QGis::WKBLineString25D:
{
QgsPolyline line = geom->asPolyline();
for ( int i = 0; i < line.count(); i++ )
{
if ( layer )
{
addPoint( mr->layerToMapCoordinates( layer, line[i] ), false, idx );
}
else
{
addPoint( line[i], false, idx );
}
}
}
break;
case QGis::WKBMultiLineString:
case QGis::WKBMultiLineString25D:
{
mPoints.clear();
QgsMultiPolyline mline = geom->asMultiPolyline();
for ( int i = 0; i < mline.size(); ++i, ++idx )
{
QgsPolyline line = mline[i];
if ( line.size() == 0 )
{
--idx;
}
for ( int j = 0; j < line.size(); ++j )
{
if ( layer )
{
addPoint( mr->layerToMapCoordinates( layer, line[j] ), false, idx );
}
else
{
addPoint( line[j], false, idx );
}
}
}
}
break;
case QGis::WKBPolygon:
case QGis::WKBPolygon25D:
{
QgsPolygon poly = geom->asPolygon();
QgsPolyline line = poly[0];
for ( int i = 0; i < line.count(); i++ )
{
if ( layer )
{
addPoint( mr->layerToMapCoordinates( layer, line[i] ), false, idx );
}
else
{
addPoint( line[i], false, idx );
}
}
}
break;
case QGis::WKBMultiPolygon:
case QGis::WKBMultiPolygon25D:
{
mPoints.clear();
QgsMultiPolygon multipoly = geom->asMultiPolygon();
for ( int i = 0; i < multipoly.size(); ++i, ++idx )
{
QgsPolygon poly = multipoly[i];
QgsPolyline line = poly[0];
for ( int j = 0; j < line.count(); ++j )
{
if ( layer )
{
addPoint( mr->layerToMapCoordinates( layer, line[j] ), false, idx );
}
else
{
addPoint( line[j], false, idx );
}
}
}
}
break;
case QGis::WKBUnknown:
default:
return;
}
updateRect();
update();
}
/*!
Draw the shape in response to an update event.
*/
void QgsHighlight::paint( QPainter* p )
{
if ( !mGeometry )
{
return;
}
p->setPen( mPen );
p->setBrush( mBrush );
switch ( mGeometry->wkbType() )
{
case QGis::WKBPoint:
case QGis::WKBPoint25D:
{
paintPoint( p, mGeometry->asPoint() );
}
break;
case QGis::WKBMultiPoint:
case QGis::WKBMultiPoint25D:
{
QgsMultiPoint m = mGeometry->asMultiPoint();
for ( int i = 0; i < m.size(); i++ )
{
paintPoint( p, m[i] );
}
}
break;
case QGis::WKBLineString:
case QGis::WKBLineString25D:
{
paintLine( p, mGeometry->asPolyline() );
}
break;
case QGis::WKBMultiLineString:
case QGis::WKBMultiLineString25D:
{
QgsMultiPolyline m = mGeometry->asMultiPolyline();
for ( int i = 0; i < m.size(); i++ )
{
paintLine( p, m[i] );
}
}
break;
case QGis::WKBPolygon:
case QGis::WKBPolygon25D:
{
paintPolygon( p, mGeometry->asPolygon() );
}
break;
case QGis::WKBMultiPolygon:
case QGis::WKBMultiPolygon25D:
{
QgsMultiPolygon m = mGeometry->asMultiPolygon();
for ( int i = 0; i < m.size(); i++ )
{
paintPolygon( p, m[i] );
}
}
break;
case QGis::WKBUnknown:
default:
return;
}
}
int QgsVectorLayerEditUtils::addTopologicalPoints( QgsGeometry* geom )
{
if ( !L->hasGeometryType() )
return 1;
if ( !geom )
{
return 1;
}
int returnVal = 0;
QGis::WkbType wkbType = geom->wkbType();
switch ( wkbType )
{
//line
case QGis::WKBLineString25D:
case QGis::WKBLineString:
{
QgsPolyline theLine = geom->asPolyline();
QgsPolyline::const_iterator line_it = theLine.constBegin();
for ( ; line_it != theLine.constEnd(); ++line_it )
{
if ( addTopologicalPoints( *line_it ) != 0 )
{
returnVal = 2;
}
}
break;
}
//multiline
case QGis::WKBMultiLineString25D:
case QGis::WKBMultiLineString:
{
QgsMultiPolyline theMultiLine = geom->asMultiPolyline();
QgsPolyline currentPolyline;
for ( int i = 0; i < theMultiLine.size(); ++i )
{
QgsPolyline::const_iterator line_it = currentPolyline.constBegin();
for ( ; line_it != currentPolyline.constEnd(); ++line_it )
{
if ( addTopologicalPoints( *line_it ) != 0 )
{
returnVal = 2;
}
}
}
break;
}
//polygon
case QGis::WKBPolygon25D:
case QGis::WKBPolygon:
{
QgsPolygon thePolygon = geom->asPolygon();
QgsPolyline currentRing;
for ( int i = 0; i < thePolygon.size(); ++i )
{
currentRing = thePolygon.at( i );
QgsPolyline::const_iterator line_it = currentRing.constBegin();
for ( ; line_it != currentRing.constEnd(); ++line_it )
{
if ( addTopologicalPoints( *line_it ) != 0 )
{
returnVal = 2;
}
}
}
break;
}
//multipolygon
case QGis::WKBMultiPolygon25D:
case QGis::WKBMultiPolygon:
{
QgsMultiPolygon theMultiPolygon = geom->asMultiPolygon();
QgsPolygon currentPolygon;
QgsPolyline currentRing;
for ( int i = 0; i < theMultiPolygon.size(); ++i )
{
currentPolygon = theMultiPolygon.at( i );
for ( int j = 0; j < currentPolygon.size(); ++j )
{
currentRing = currentPolygon.at( j );
QgsPolyline::const_iterator line_it = currentRing.constBegin();
for ( ; line_it != currentRing.constEnd(); ++line_it )
{
if ( addTopologicalPoints( *line_it ) != 0 )
{
returnVal = 2;
}
}
}
}
break;
}
default:
break;
}
return returnVal;
}
ErrorList topolTest::checkSegmentLength( double tolerance, QgsVectorLayer* layer1, QgsVectorLayer* layer2, bool isExtent )
{
Q_UNUSED( layer1 );
Q_UNUSED( layer2 );
Q_UNUSED( isExtent );
int i = 0;
ErrorList errorList;
QgsFeature f;
QList<FeatureLayer>::Iterator it;
QList<FeatureLayer>::ConstIterator FeatureListEnd = mFeatureList1.end();
QgsPolygon pol;
QgsMultiPolygon mpol;
QgsPolyline segm;
QgsPolyline ls;
QgsMultiPolyline mls;
QList<FeatureLayer> fls;
TopolErrorShort* err;
double distance;
for ( it = mFeatureList1.begin(); it != FeatureListEnd; ++it )
{
if ( !( ++i % 100 ) )
{
emit progress( i );
}
if ( testCancelled() )
{
break;
}
QgsGeometry* g1 = it->feature.geometry();
// switching by type here, because layer can contain both single and multi version geometries
switch ( g1->wkbType() )
{
case QGis::WKBLineString:
case QGis::WKBLineString25D:
ls = g1->asPolyline();
for ( int i = 1; i < ls.size(); ++i )
{
distance = sqrt( ls[i-1].sqrDist( ls[i] ) );
if ( distance < tolerance )
{
fls.clear();
fls << *it << *it;
segm.clear();
segm << ls[i-1] << ls[i];
QgsGeometry* conflict = QgsGeometry::fromPolyline( segm );
err = new TopolErrorShort( g1->boundingBox(), conflict, fls );
//err = new TopolErrorShort(g1->boundingBox(), QgsGeometry::fromPolyline(segm), fls);
errorList << err;
//break on getting the first error
break;
}
}
break;
case QGis::WKBPolygon:
case QGis::WKBPolygon25D:
pol = g1->asPolygon();
for ( int i = 0; i < pol.size(); ++i )
{
for ( int j = 1; j < pol[i].size(); ++j )
{
distance = sqrt( pol[i][j-1].sqrDist( pol[i][j] ) );
if ( distance < tolerance )
{
fls.clear();
fls << *it << *it;
segm.clear();
segm << pol[i][j-1] << pol[i][j];
QgsGeometry* conflict = QgsGeometry::fromPolyline( segm );
err = new TopolErrorShort( g1->boundingBox(), conflict, fls );
errorList << err;
//break on getting the first error
break;
}
}
}
break;
case QGis::WKBMultiLineString:
case QGis::WKBMultiLineString25D:
mls = g1->asMultiPolyline();
for ( int k = 0; k < mls.size(); ++k )
{
QgsPolyline& ls = mls[k];
for ( int i = 1; i < ls.size(); ++i )
{
distance = sqrt( ls[i-1].sqrDist( ls[i] ) );
if ( distance < tolerance )
{
fls.clear();
fls << *it << *it;
segm.clear();
segm << ls[i-1] << ls[i];
QgsGeometry* conflict = QgsGeometry::fromPolyline( segm );
err = new TopolErrorShort( g1->boundingBox(), conflict, fls );
errorList << err;
//break on getting the first error
break;
}
}
}
break;
case QGis::WKBMultiPolygon:
case QGis::WKBMultiPolygon25D:
mpol = g1->asMultiPolygon();
for ( int k = 0; k < mpol.size(); ++k )
{
QgsPolygon& pol = mpol[k];
for ( int i = 0; i < pol.size(); ++i )
{
for ( int j = 1; j < pol[i].size(); ++j )
{
distance = pol[i][j-1].sqrDist( pol[i][j] );
if ( distance < tolerance )
{
fls.clear();
fls << *it << *it;
segm.clear();
segm << pol[i][j-1] << pol[i][j];
QgsGeometry* conflict = QgsGeometry::fromPolyline( segm );
err = new TopolErrorShort( g1->boundingBox(), conflict, fls );
errorList << err;
//break on getting the first error
break;
}
}
}
}
break;
default:
continue;
}
}
return errorList;
}