GDAL
|
00001 /****************************************************************************** 00002 * $Id: ogrwarpedlayer.h 28375 2015-01-30 12:06:11Z rouault $ 00003 * 00004 * Project: OpenGIS Simple Features Reference Implementation 00005 * Purpose: Defines OGRWarpedLayer class 00006 * Author: Even Rouault, even dot rouault at mines dash paris dot org 00007 * 00008 ****************************************************************************** 00009 * Copyright (c) 2012-2014, Even Rouault <even dot rouault at mines-paris dot org> 00010 * 00011 * Permission is hereby granted, free of charge, to any person obtaining a 00012 * copy of this software and associated documentation files (the "Software"), 00013 * to deal in the Software without restriction, including without limitation 00014 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 00015 * and/or sell copies of the Software, and to permit persons to whom the 00016 * Software is furnished to do so, subject to the following conditions: 00017 * 00018 * The above copyright notice and this permission notice shall be included 00019 * in all copies or substantial portions of the Software. 00020 * 00021 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 00022 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00023 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 00024 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00025 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 00026 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 00027 * DEALINGS IN THE SOFTWARE. 00028 ****************************************************************************/ 00029 00030 #ifndef _OGRWARPEDLAYER_H_INCLUDED 00031 #define _OGRWARPEDLAYER_H_INCLUDED 00032 00033 #include "ogrlayerdecorator.h" 00034 00035 /************************************************************************/ 00036 /* OGRWarpedLayer */ 00037 /************************************************************************/ 00038 00039 class OGRWarpedLayer : public OGRLayerDecorator 00040 { 00041 protected: 00042 OGRFeatureDefn *m_poFeatureDefn; 00043 int m_iGeomField; 00044 00045 OGRCoordinateTransformation *m_poCT; 00046 OGRCoordinateTransformation *m_poReversedCT; /* may be NULL */ 00047 OGRSpatialReference *m_poSRS; 00048 00049 OGREnvelope sStaticEnvelope; 00050 00051 static int ReprojectEnvelope( OGREnvelope* psEnvelope, 00052 OGRCoordinateTransformation* poCT ); 00053 00054 OGRFeature * SrcFeatureToWarpedFeature(OGRFeature* poFeature); 00055 OGRFeature * WarpedFeatureToSrcFeature(OGRFeature* poFeature); 00056 00057 public: 00058 00059 OGRWarpedLayer(OGRLayer* poDecoratedLayer, 00060 int iGeomField, 00061 int bTakeOwnership, 00062 OGRCoordinateTransformation* poCT, /* must NOT be NULL, ownership acquired by OGRWarpedLayer */ 00063 OGRCoordinateTransformation* poReversedCT /* may be NULL, ownership acquired by OGRWarpedLayer */); 00064 virtual ~OGRWarpedLayer(); 00065 00066 void SetExtent(double dfXMin, double dfYMin, double dfXMax, double dfYMax); 00067 00068 virtual void SetSpatialFilter( OGRGeometry * ); 00069 virtual void SetSpatialFilterRect( double dfMinX, double dfMinY, 00070 double dfMaxX, double dfMaxY ); 00071 virtual void SetSpatialFilter( int iGeomField, OGRGeometry * ); 00072 virtual void SetSpatialFilterRect( int iGeomField, double dfMinX, double dfMinY, 00073 double dfMaxX, double dfMaxY ); 00074 00075 virtual OGRFeature *GetNextFeature(); 00076 virtual OGRFeature *GetFeature( GIntBig nFID ); 00077 virtual OGRErr ISetFeature( OGRFeature *poFeature ); 00078 virtual OGRErr ICreateFeature( OGRFeature *poFeature ); 00079 00080 virtual OGRFeatureDefn *GetLayerDefn(); 00081 00082 virtual OGRSpatialReference *GetSpatialRef(); 00083 00084 virtual GIntBig GetFeatureCount( int bForce = TRUE ); 00085 virtual OGRErr GetExtent(int iGeomField, OGREnvelope *psExtent, int bForce = TRUE); 00086 virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce = TRUE); 00087 00088 virtual int TestCapability( const char * ); 00089 }; 00090 00091 #endif // _OGRWARPEDLAYER_H_INCLUDED