Symbology::Geometry*
GEOSContext::exportGeometry(const geom::Geometry* input)
{
Symbology::GeometryCollection parts;
if ( dynamic_cast<const geom::Point*>( input ) )
{
OE_NOTICE << "GEOS 'Point' NYI" << std::endl;
}
else if ( dynamic_cast<const geom::MultiPoint*>( input ) )
{
const geom::MultiPoint* mp = dynamic_cast<const geom::MultiPoint*>( input );
Symbology::PointSet* part = new Symbology::PointSet( mp->getNumPoints() );
for( unsigned int i=0; i < mp->getNumPoints(); i++ )
{
const geom::Geometry* g = mp->getGeometryN(i);
if ( g )
{
const geom::Coordinate* c = mp->getCoordinate();
if ( c )
{
part->push_back( osg::Vec3d( c->x, c->y, c->z ) ); //p->getX(), p->getY(), 0 ) );
}
}
}
parts.push_back( part );
}
else if ( dynamic_cast<const geom::LineString*>( input ) )
{
const geom::LineString* line = dynamic_cast<const geom::LineString*>( input );
Symbology::LineString* part = new Symbology::LineString( line->getNumPoints() );
for( unsigned int i=0; i<line->getNumPoints(); i++ )
{
const geom::Coordinate& c = line->getCoordinateN(i);
part->push_back( osg::Vec3d( c.x, c.y, c.z ) ); //0 ) );
}
parts.push_back( part );
}
else if ( dynamic_cast<const geom::MultiLineString*>( input ) )
{
const geom::MultiLineString* m = dynamic_cast<const geom::MultiLineString*>( input );
for( unsigned int i=0; i<m->getNumGeometries(); i++ )
{
Symbology::Geometry* part = exportGeometry( m->getGeometryN(i) );
if ( part ) parts.push_back( part );
}
}
else if ( dynamic_cast<const geom::Polygon*>( input ) )
{
const geom::Polygon* poly = dynamic_cast<const geom::Polygon*>( input );
Symbology::Geometry* part = exportPolygon( poly );
if ( part ) parts.push_back( part );
}
else if ( dynamic_cast<const geom::MultiPolygon*>( input ) )
{
//OE_NOTICE << "Multipolygon" << std::endl;
const geom::MultiPolygon* mpoly = dynamic_cast<const geom::MultiPolygon*>( input );
for( unsigned int i=0; i<mpoly->getNumGeometries(); i++ )
{
Symbology::Geometry* part = exportPolygon( dynamic_cast<const geom::Polygon*>( mpoly->getGeometryN(i) ) );
if ( part ) parts.push_back( part );
}
}
if ( parts.size() == 1 )
{
osg::ref_ptr<Symbology::Geometry> part = parts.front().get();
parts.clear();
return part.release();
}
else if ( parts.size() > 1 )
{
return new Symbology::MultiGeometry( parts );
}
else
{
return 0L;
}
}
Symbology::Geometry*
GEOSUtils::exportGeometry( const geom::Geometry* input )
{
//// first verify that the input is valid.
//valid::IsValidOp validator( input );
//if ( !validator.isValid() )
//{
// OE_NOTICE << "GEOS: discarding invalid geometry" << std::endl;
// return 0L;
//}
Symbology::GeometryCollection parts;
if ( dynamic_cast<const geom::Point*>( input ) )
{
OE_NOTICE << "GEOS 'Point' NYI" << std::endl;
}
else if ( dynamic_cast<const geom::MultiPoint*>( input ) )
{
const geom::MultiPoint* mp = static_cast<const geom::MultiPoint*>( input );
Symbology::PointSet* part = new Symbology::PointSet( mp->getNumPoints() );
for( int i=0; i < mp->getNumPoints(); i++ )
{
geom::Point* p = (geom::Point*)( mp->getGeometryN(i) );
part->push_back( osg::Vec3d( p->getX(), p->getY(), 0 ) );
}
parts.push_back( part );
}
else if ( dynamic_cast<const geom::LineString*>( input ) )
{
const geom::LineString* line = static_cast<const geom::LineString*>( input );
Symbology::LineString* part = new Symbology::LineString( line->getNumPoints() );
for( int i=0; i<line->getNumPoints(); i++ )
{
const geom::Coordinate& c = line->getCoordinateN(i);
part->push_back( osg::Vec3d( c.x, c.y, 0 ) );
}
parts.push_back( part );
}
else if ( dynamic_cast<const geom::MultiLineString*>( input ) )
{
const geom::MultiLineString* m = static_cast<const geom::MultiLineString*>( input );
for( int i=0; i<m->getNumGeometries(); i++ )
{
Symbology::Geometry* part = exportGeometry( m->getGeometryN(i) );
if ( part ) parts.push_back( part );
}
}
else if ( dynamic_cast<const geom::Polygon*>( input ) )
{
const geom::Polygon* poly = static_cast<const geom::Polygon*>( input );
Symbology::Geometry* part = exportPolygon( poly );
if ( part ) parts.push_back( part );
}
else if ( dynamic_cast<const geom::MultiPolygon*>( input ) )
{
//OE_NOTICE << "Multipolygon" << std::endl;
const geom::MultiPolygon* mpoly = static_cast<const geom::MultiPolygon*>( input );
for( int i=0; i<mpoly->getNumGeometries(); i++ )
{
Symbology::Geometry* part = exportPolygon( static_cast<const geom::Polygon*>( mpoly->getGeometryN(i) ) );
if ( part ) parts.push_back( part );
}
}
if ( parts.size() == 1 )
{
osg::ref_ptr<Symbology::Geometry> part = parts.front();
parts.clear();
return part.release();
}
else if ( parts.size() > 1 )
{
return new Symbology::MultiGeometry( parts );
}
else
{
return 0L;
}
}