OGRBoolean OGRPolygon::Equal( OGRGeometry * poOther )
{
OGRPolygon *poOPoly = (OGRPolygon *) poOther;
if( poOther == this )
return TRUE;
if( poOther->getGeometryType() != getGeometryType() )
return FALSE;
if( getNumInteriorRings() != poOPoly->getNumInteriorRings() )
return FALSE;
if( !getExteriorRing()->Equal( poOPoly->getExteriorRing() ) )
return FALSE;
// we should eventually test the SRS.
for( int iRing = 0; iRing < getNumInteriorRings(); iRing++ )
{
if( !getInteriorRing(iRing)->Equal(poOPoly->getInteriorRing(iRing)) )
return FALSE;
}
return TRUE;
}
bool is_valid_polygon(const OGRGeometry* geometry) {
if (geometry && geometry->getGeometryType() == wkbPolygon) {
const auto polygon = static_cast<const OGRPolygon*>(geometry);
return (polygon->getExteriorRing()->getNumPoints() > 3) && (polygon->getNumInteriorRings() == 0) && geometry->IsValid();
}
return false;
}
OGRBoolean OGRCurvePolygon::ContainsPoint( const OGRPoint* p ) const
{
if( getExteriorRingCurve() != NULL &&
getNumInteriorRings() == 0 )
{
int nRet = getExteriorRingCurve()->ContainsPoint(p);
if( nRet >= 0 )
return nRet;
}
return OGRGeometry::Contains(p);
}
double OGRPolygon::get_Area() const
{
double dfArea = 0.0;
if( getExteriorRing() != NULL )
{
int iRing;
dfArea = getExteriorRing()->get_Area();
for( iRing = 0; iRing < getNumInteriorRings(); iRing++ )
dfArea -= getInteriorRing( iRing )->get_Area();
}
return dfArea;
}
