ugkgeometrycollection.h

来自「linux下一款GIS程序源码」· C头文件 代码 · 共 57 行

// ugkgeometrycollection.h: interface for the UGKGeometryCollection class.
//

/************************************************************************/
/*                        UGKGeometryCollection                         */
/************************************************************************/
/**
 * A collection of 1 or more geometry objects.
 *
 * All geometries must share a common spatial reference system, and
 * Subclasses may impose additional restrictions on the contents.
 */
#ifndef  UGKGeometryCollection_H
#define  UGKGeometryCollection_H

#include "ugkgeometry.h"


class UGKGeometryCollection : public UGKGeometry  
{
	int         nGeomCount;
	UGKGeometry **papoGeoms;

	int         nCoordinateDimension;

public:
	UGKGeometryCollection();
	virtual ~UGKGeometryCollection();

	virtual const char *getGeometryName() const;
	virtual UGKwkbGeometryType getGeometryType() const;
	virtual UGKGeometry *clone() const;
	virtual void empty();
	virtual void flattenTo2D();

	virtual int WkbSize() const;
	virtual int getDimension() const;
	virtual int getCoordinateDimension() const;
	virtual void getEnvelope( UGKEnvelope * psEnvelope ) const;

	int         getNumGeometries() const;
	UGKGeometry *getGeometryRef( int );
	const UGKGeometry *getGeometryRef( int ) const;
    
	virtual UGKBool  Equals( UGKGeometry * ) const;

	virtual UGKErr addGeometry( const UGKGeometry * );
	virtual UGKErr addGeometryDirectly( UGKGeometry * );
	virtual UGKErr removeGeometry( int iIndex, int bDelete = TRUE );

	void closeRings();


};

#endif