OGRBoolean OGRGeometryCollection::Equals( const OGRGeometry * poOther ) const
{
if( poOther == this )
return TRUE;
if( poOther->getGeometryType() != getGeometryType() )
return FALSE;
if( IsEmpty() && poOther->IsEmpty() )
return TRUE;
auto poOGC = poOther->toGeometryCollection();
if( getNumGeometries() != poOGC->getNumGeometries() )
return FALSE;
// TODO(schwehr): Should test the SRS.
for( int iGeom = 0; iGeom < nGeomCount; iGeom++ )
{
if( !getGeometryRef(iGeom)->Equals(poOGC->getGeometryRef(iGeom)) )
return FALSE;
}
return TRUE;
}
OGRErr OGRMultiLineString::exportToWkt( char ** ppszDstText ) const
{
char **papszLines;
int iLine, nCumulativeLength = 0;
OGRErr eErr;
if( getNumGeometries() == 0 )
{
*ppszDstText = CPLStrdup("MULTILINESTRING(EMPTY)");
return OGRERR_NONE;
}
/* -------------------------------------------------------------------- */
/* Build a list of strings containing the stuff for each ring. */
/* -------------------------------------------------------------------- */
papszLines = (char **) CPLCalloc(sizeof(char *),getNumGeometries());
for( iLine = 0; iLine < getNumGeometries(); iLine++ )
{
eErr = getGeometryRef(iLine)->exportToWkt( &(papszLines[iLine]) );
if( eErr != OGRERR_NONE )
return eErr;
CPLAssert( EQUALN(papszLines[iLine],"LINESTRING (", 12) );
nCumulativeLength += strlen(papszLines[iLine] + 11);
}
/* -------------------------------------------------------------------- */
/* Allocate exactly the right amount of space for the */
/* aggregated string. */
/* -------------------------------------------------------------------- */
*ppszDstText = (char *) VSIMalloc(nCumulativeLength+getNumGeometries()+20);
if( *ppszDstText == NULL )
return OGRERR_NOT_ENOUGH_MEMORY;
/* -------------------------------------------------------------------- */
/* Build up the string, freeing temporary strings as we go. */
/* -------------------------------------------------------------------- */
strcpy( *ppszDstText, "MULTILINESTRING (" );
for( iLine = 0; iLine < getNumGeometries(); iLine++ )
{
if( iLine > 0 )
strcat( *ppszDstText, "," );
strcat( *ppszDstText, papszLines[iLine] + 11 );
VSIFree( papszLines[iLine] );
}
strcat( *ppszDstText, ")" );
CPLFree( papszLines );
return OGRERR_NONE;
}
OGRErr OGRMultiPoint::exportToWkt( char ** ppszDstText ) const
{
int nMaxString = getNumGeometries() * 20 + 128;
int nRetLen = 0;
if( getNumGeometries() == 0 )
{
*ppszDstText = CPLStrdup("MULTIPOINT(EMPTY)");
return OGRERR_NONE;
}
*ppszDstText = (char *) VSIMalloc( nMaxString );
if( *ppszDstText == NULL )
return OGRERR_NOT_ENOUGH_MEMORY;
sprintf( *ppszDstText, "%s (", getGeometryName() );
for( int i = 0; i < getNumGeometries(); i++ )
{
OGRPoint *poPoint = (OGRPoint *) getGeometryRef( i );
if( i > 0 )
strcat( *ppszDstText + nRetLen, "," );
nRetLen += strlen(*ppszDstText + nRetLen);
if( nMaxString < nRetLen + 100 )
{
nMaxString = nMaxString * 2;
*ppszDstText = (char *) CPLRealloc(*ppszDstText,nMaxString);
}
if( poPoint->getCoordinateDimension() == 3 )
OGRMakeWktCoordinate( *ppszDstText + nRetLen,
poPoint->getX(),
poPoint->getY(),
poPoint->getZ() );
else
OGRMakeWktCoordinate( *ppszDstText + nRetLen,
poPoint->getX(),
poPoint->getY(),
0.0 );
}
strcat( *ppszDstText+nRetLen, ")" );
return OGRERR_NONE;
}
void countGeometry(OGRGeometry* geom, size_t &numPoints, size_t &numObj)
{
switch (geom->getGeometryType())
{
case wkbPolygon:
{
countGeometry(static_cast<OGRPolygon*>(geom), numPoints, numObj);
break;
}
case wkbLineString:
{
countGeometry(static_cast<OGRLineString*>(geom), numPoints, numObj);
break;
}
case wkbMultiPolygon:
case wkbMultiLineString:
{
auto coll = static_cast<OGRGeometryCollection*>(geom);
for (int i = 0; i < coll->getNumGeometries(); ++i)
{
countGeometry(coll->getGeometryRef(i), numPoints, numObj);
}
break;
}
default:
qWarning() << "Unhandled geometry type:" << geom->getGeometryName();
}
}
OGRBoolean OGRGeometryCollection::Equals( OGRGeometry * poOther ) const
{
if( poOther == this )
return TRUE;
if( poOther->getGeometryType() != getGeometryType() )
return FALSE;
if ( IsEmpty() && poOther->IsEmpty() )
return TRUE;
OGRGeometryCollection *poOGC = (OGRGeometryCollection *) poOther;
if( getNumGeometries() != poOGC->getNumGeometries() )
return FALSE;
// we should eventually test the SRS.
for( int iGeom = 0; iGeom < nGeomCount; iGeom++ )
{
if( !getGeometryRef(iGeom)->Equals(poOGC->getGeometryRef(iGeom)) )
return FALSE;
}
return TRUE;
}
void extractGeometry(const OGRGeometry *geom, FeatureInfo& info)
{
switch (geom->getGeometryType())
{
case wkbPolygon:
{
extractGeometry(static_cast<const OGRPolygon*>(geom), info);
break;
}
case wkbLineString:
{
extractGeometry(static_cast<const OGRLineString*>(geom), info);
break;
}
case wkbMultiLineString:
case wkbMultiPolygon:
{
auto coll = static_cast<const OGRGeometryCollection*>(geom);
for (int i = 0; i < coll->getNumGeometries(); ++i)
{
extractGeometry(coll->getGeometryRef(i), info);
}
break;
}
default:
qWarning() << "Unhandled geometry type:" << geom->getGeometryName();
}
}
OGRErr OGRGeometryCollection::exportToWkt( char ** ppszDstText ) const
{
char **papszGeoms;
int iGeom, nCumulativeLength = 0;
OGRErr eErr;
if( getNumGeometries() == 0 )
{
*ppszDstText = CPLStrdup("GEOMETRYCOLLECTION(EMPTY)");
return OGRERR_NONE;
}
/* -------------------------------------------------------------------- */
/* Build a list of strings containing the stuff for each Geom. */
/* -------------------------------------------------------------------- */
papszGeoms = (char **) CPLCalloc(sizeof(char *),nGeomCount);
for( iGeom = 0; iGeom < nGeomCount; iGeom++ )
{
eErr = papoGeoms[iGeom]->exportToWkt( &(papszGeoms[iGeom]) );
if( eErr != OGRERR_NONE )
return eErr;
nCumulativeLength += strlen(papszGeoms[iGeom]);
}
/* -------------------------------------------------------------------- */
/* Allocate the right amount of space for the aggregated string */
/* -------------------------------------------------------------------- */
*ppszDstText = (char *) VSIMalloc(nCumulativeLength + nGeomCount + 23);
if( *ppszDstText == NULL )
return OGRERR_NOT_ENOUGH_MEMORY;
/* -------------------------------------------------------------------- */
/* Build up the string, freeing temporary strings as we go. */
/* -------------------------------------------------------------------- */
strcpy( *ppszDstText, getGeometryName() );
strcat( *ppszDstText, " (" );
for( iGeom = 0; iGeom < nGeomCount; iGeom++ )
{
if( iGeom > 0 )
strcat( *ppszDstText, "," );
strcat( *ppszDstText, papszGeoms[iGeom] );
VSIFree( papszGeoms[iGeom] );
}
strcat( *ppszDstText, ")" );
CPLFree( papszGeoms );
return OGRERR_NONE;
}
OGRGeometry *OGRMultiPoint::clone() const
{
OGRMultiPoint *poNewGC;
poNewGC = new OGRMultiPoint;
poNewGC->assignSpatialReference( getSpatialReference() );
for( int i = 0; i < getNumGeometries(); i++ )
{
poNewGC->addGeometry( getGeometryRef(i) );
}
return poNewGC;
}
double OGRMultiPolygon::get_Area() const
{
double dfArea = 0.0;
int iPoly;
for( iPoly = 0; iPoly < getNumGeometries(); iPoly++ )
{
OGRPolygon *poPoly = (OGRPolygon *) getGeometryRef( iPoly );
dfArea += poPoly->get_Area();
}
return dfArea;
}
bool LoadShapes(GDALDataset* dataset, QueryIntermediateData& qid)
{
OGRLayer* waterLayer = dataset->GetLayerByName("water");
if (!waterLayer) return true; // requested layer may not be present in requested dataset
waterLayer->ResetReading();
OGRFeature* feature;
while ((feature = waterLayer->GetNextFeature()) != NULL)
{
auto geo = feature->GetGeometryRef();
auto featureId = feature->GetFID();
if (qid.transform)
{
if (geo->transform(qid.transform) != OGRERR_NONE)
{
continue;
}
}
if (geo->getGeometryType() == wkbMultiPolygon)
{
auto mp = (OGRMultiPolygon*)geo;
const int numPolys = mp->getNumGeometries();
for (int p = 0; p < numPolys; p++)
{
auto poly = new Polygon((OGRPolygon*)mp->getGeometryRef(p), featureId);
qid.waterPolyQuadtree.Insert(poly);
qid.waterPolygons.push_back(poly);
}
}
else if (geo->getGeometryType() == wkbPolygon)
{
auto poly = new Polygon((OGRPolygon*)geo, featureId);
qid.waterPolyQuadtree.Insert(poly);
qid.waterPolygons.push_back(poly);
}
OGRFeature::DestroyFeature(feature);
}
return true;
}
OGRErr OGRMultiLineString::exportToWkt( char ** ppszDstText ) const
{
char **papszLines;
int iLine, nCumulativeLength = 0, nValidLineStrings=0;
OGRErr eErr;
/* -------------------------------------------------------------------- */
/* Build a list of strings containing the stuff for each ring. */
/* -------------------------------------------------------------------- */
papszLines = (char **) CPLCalloc(sizeof(char *),getNumGeometries());
for( iLine = 0; iLine < getNumGeometries(); iLine++ )
{
eErr = getGeometryRef(iLine)->exportToWkt( &(papszLines[iLine]) );
if( eErr != OGRERR_NONE )
return eErr;
if( !EQUALN(papszLines[iLine],"LINESTRING (", 12) )
{
CPLDebug( "OGR", "OGRMultiLineString::exportToWkt() - skipping %s.",
papszLines[iLine] );
CPLFree( papszLines[iLine] );
papszLines[iLine] = NULL;
continue;
}
nCumulativeLength += strlen(papszLines[iLine] + 11);
nValidLineStrings++;
}
/* -------------------------------------------------------------------- */
/* Return MULTILINESTRING EMPTY if we get no valid line string. */
/* -------------------------------------------------------------------- */
if( nValidLineStrings == 0 )
{
CPLFree( papszLines );
*ppszDstText = CPLStrdup("MULTILINESTRING EMPTY");
return OGRERR_NONE;
}
/* -------------------------------------------------------------------- */
/* Allocate exactly the right amount of space for the */
/* aggregated string. */
/* -------------------------------------------------------------------- */
*ppszDstText = (char *) VSIMalloc(nCumulativeLength+getNumGeometries()+20);
if( *ppszDstText == NULL )
return OGRERR_NOT_ENOUGH_MEMORY;
/* -------------------------------------------------------------------- */
/* Build up the string, freeing temporary strings as we go. */
/* -------------------------------------------------------------------- */
char *pszAppendPoint = *ppszDstText;
strcpy( pszAppendPoint, "MULTILINESTRING (" );
int bMustWriteComma = FALSE;
for( iLine = 0; iLine < getNumGeometries(); iLine++ )
{
if( papszLines[iLine] == NULL )
continue;
if( bMustWriteComma )
strcat( pszAppendPoint, "," );
bMustWriteComma = TRUE;
strcat( pszAppendPoint, papszLines[iLine] + 11 );
pszAppendPoint += strlen(pszAppendPoint);
VSIFree( papszLines[iLine] );
}
strcat( pszAppendPoint, ")" );
CPLFree( papszLines );
return OGRERR_NONE;
}
OGRErr OGRMultiPolygon::exportToWkt( char ** ppszDstText ) const
{
char **papszPolygons;
int iPoly, nCumulativeLength = 0, nValidPolys=0;
OGRErr eErr;
int bMustWriteComma = FALSE;
/* -------------------------------------------------------------------- */
/* Build a list of strings containing the stuff for each ring. */
/* -------------------------------------------------------------------- */
papszPolygons = (char **) CPLCalloc(sizeof(char *),getNumGeometries());
for( iPoly = 0; iPoly < getNumGeometries(); iPoly++ )
{
eErr = getGeometryRef(iPoly)->exportToWkt( &(papszPolygons[iPoly]) );
if( eErr != OGRERR_NONE )
goto error;
if( !EQUALN(papszPolygons[iPoly],"POLYGON (", 9) )
{
CPLDebug( "OGR", "OGRMultiPolygon::exportToWkt() - skipping %s.",
papszPolygons[iPoly] );
CPLFree( papszPolygons[iPoly] );
papszPolygons[iPoly] = NULL;
continue;
}
nCumulativeLength += strlen(papszPolygons[iPoly] + 8);
nValidPolys++;
}
/* -------------------------------------------------------------------- */
/* Return MULTIPOLYGON EMPTY if we get no valid polygons. */
/* -------------------------------------------------------------------- */
if( nValidPolys == 0 )
{
CPLFree( papszPolygons );
*ppszDstText = CPLStrdup("MULTIPOLYGON EMPTY");
return OGRERR_NONE;
}
/* -------------------------------------------------------------------- */
/* Allocate exactly the right amount of space for the */
/* aggregated string. */
/* -------------------------------------------------------------------- */
*ppszDstText = (char *) VSIMalloc(nCumulativeLength+getNumGeometries()+20);
if( *ppszDstText == NULL )
{
eErr = OGRERR_NOT_ENOUGH_MEMORY;
goto error;
}
/* -------------------------------------------------------------------- */
/* Build up the string, freeing temporary strings as we go. */
/* -------------------------------------------------------------------- */
strcpy( *ppszDstText, "MULTIPOLYGON (" );
nCumulativeLength = strlen(*ppszDstText);
for( iPoly = 0; iPoly < getNumGeometries(); iPoly++ )
{
if( papszPolygons[iPoly] == NULL )
continue;
if( bMustWriteComma )
(*ppszDstText)[nCumulativeLength++] = ',';
bMustWriteComma = TRUE;
int nPolyLength = strlen(papszPolygons[iPoly] + 8);
memcpy( *ppszDstText + nCumulativeLength, papszPolygons[iPoly] + 8, nPolyLength );
nCumulativeLength += nPolyLength;
VSIFree( papszPolygons[iPoly] );
}
(*ppszDstText)[nCumulativeLength++] = ')';
(*ppszDstText)[nCumulativeLength] = '\0';
CPLFree( papszPolygons );
return OGRERR_NONE;
error:
for( iPoly = 0; iPoly < getNumGeometries(); iPoly++ )
CPLFree( papszPolygons[iPoly] );
CPLFree( papszPolygons );
return eErr;
}
OGRErr OGRMultiPoint::exportToWkt( char ** ppszDstText,
OGRwkbVariant eWkbVariant ) const
{
size_t nMaxString = static_cast<size_t>(getNumGeometries()) * 22 + 130;
size_t nRetLen = 0;
/* -------------------------------------------------------------------- */
/* Return MULTIPOINT EMPTY if we get no valid points. */
/* -------------------------------------------------------------------- */
if( IsEmpty() )
{
if( eWkbVariant == wkbVariantIso )
{
if( (flags & OGR_G_3D) && (flags & OGR_G_MEASURED) )
*ppszDstText = CPLStrdup("MULTIPOINT ZM EMPTY");
else if( flags & OGR_G_MEASURED )
*ppszDstText = CPLStrdup("MULTIPOINT M EMPTY");
else if( flags & OGR_G_3D )
*ppszDstText = CPLStrdup("MULTIPOINT Z EMPTY");
else
*ppszDstText = CPLStrdup("MULTIPOINT EMPTY");
}
else
*ppszDstText = CPLStrdup("MULTIPOINT EMPTY");
return OGRERR_NONE;
}
*ppszDstText = static_cast<char *>(VSI_MALLOC_VERBOSE( nMaxString ));
if( *ppszDstText == NULL )
return OGRERR_NOT_ENOUGH_MEMORY;
if( eWkbVariant == wkbVariantIso )
{
if( (flags & OGR_G_3D) && (flags & OGR_G_MEASURED) )
snprintf( *ppszDstText, nMaxString, "%s ZM (", getGeometryName() );
else if( flags & OGR_G_MEASURED )
snprintf( *ppszDstText, nMaxString, "%s M (", getGeometryName() );
else if( flags & OGR_G_3D )
snprintf( *ppszDstText, nMaxString, "%s Z (", getGeometryName() );
else
snprintf( *ppszDstText, nMaxString, "%s (", getGeometryName() );
}
else
snprintf( *ppszDstText, nMaxString, "%s (", getGeometryName() );
bool bMustWriteComma = false;
for( int i = 0; i < getNumGeometries(); i++ )
{
OGRPoint *poPoint = (OGRPoint *) getGeometryRef( i );
if( poPoint->IsEmpty() )
{
CPLDebug("OGR",
"OGRMultiPoint::exportToWkt() - skipping POINT EMPTY.");
continue;
}
if( bMustWriteComma )
strcat( *ppszDstText + nRetLen, "," );
bMustWriteComma = true;
nRetLen += strlen(*ppszDstText + nRetLen);
if( nMaxString < nRetLen + 100 )
{
nMaxString = nMaxString * 2;
*ppszDstText =
static_cast<char *>(CPLRealloc(*ppszDstText, nMaxString));
}
if( eWkbVariant == wkbVariantIso )
{
strcat( *ppszDstText + nRetLen, "(" );
nRetLen++;
}
OGRMakeWktCoordinateM(
*ppszDstText + nRetLen,
poPoint->getX(),
poPoint->getY(),
poPoint->getZ(),
poPoint->getM(),
poPoint->Is3D(),
poPoint->IsMeasured() && (eWkbVariant == wkbVariantIso));
if( eWkbVariant == wkbVariantIso )
{
strcat( *ppszDstText + nRetLen, ")" );
nRetLen++;
}
}
strcat( *ppszDstText+nRetLen, ")" );
return OGRERR_NONE;
}
OGRErr OGRMultiPoint::exportToWkt( char ** ppszDstText,
OGRwkbVariant eWkbVariant ) const
{
int nMaxString = getNumGeometries() * 22 + 128;
int nRetLen = 0;
/* -------------------------------------------------------------------- */
/* Return MULTIPOINT EMPTY if we get no valid points. */
/* -------------------------------------------------------------------- */
if( IsEmpty() )
{
if( getCoordinateDimension() == 3 && eWkbVariant == wkbVariantIso )
*ppszDstText = CPLStrdup("MULTIPOINT Z EMPTY");
else
*ppszDstText = CPLStrdup("MULTIPOINT EMPTY");
return OGRERR_NONE;
}
*ppszDstText = (char *) VSIMalloc( nMaxString );
if( *ppszDstText == NULL )
return OGRERR_NOT_ENOUGH_MEMORY;
if( getCoordinateDimension() == 3 && eWkbVariant == wkbVariantIso )
sprintf( *ppszDstText, "%s Z (", getGeometryName() );
else
sprintf( *ppszDstText, "%s (", getGeometryName() );
int bMustWriteComma = FALSE;
for( int i = 0; i < getNumGeometries(); i++ )
{
OGRPoint *poPoint = (OGRPoint *) getGeometryRef( i );
if (poPoint->IsEmpty())
{
CPLDebug( "OGR", "OGRMultiPoint::exportToWkt() - skipping POINT EMPTY.");
continue;
}
if( bMustWriteComma )
strcat( *ppszDstText + nRetLen, "," );
bMustWriteComma = TRUE;
nRetLen += strlen(*ppszDstText + nRetLen);
if( nMaxString < nRetLen + 100 )
{
nMaxString = nMaxString * 2;
*ppszDstText = (char *) CPLRealloc(*ppszDstText,nMaxString);
}
if( eWkbVariant == wkbVariantIso )
{
strcat( *ppszDstText + nRetLen, "(" );
nRetLen ++;
}
OGRMakeWktCoordinate( *ppszDstText + nRetLen,
poPoint->getX(),
poPoint->getY(),
poPoint->getZ(),
poPoint->getCoordinateDimension() );
if( eWkbVariant == wkbVariantIso )
{
strcat( *ppszDstText + nRetLen, ")" );
nRetLen ++;
}
}
strcat( *ppszDstText+nRetLen, ")" );
return OGRERR_NONE;
}
