GDAL
ogrwarpedlayer.h
1 /******************************************************************************
2  * $Id$
3  *
4  * Project: OpenGIS Simple Features Reference Implementation
5  * Purpose: Defines OGRWarpedLayer class
6  * Author: Even Rouault, even dot rouault at mines dash paris dot org
7  *
8  ******************************************************************************
9  * Copyright (c) 2012-2014, Even Rouault <even dot rouault at mines-paris dot org>
10  *
11  * Permission is hereby granted, free of charge, to any person obtaining a
12  * copy of this software and associated documentation files (the "Software"),
13  * to deal in the Software without restriction, including without limitation
14  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15  * and/or sell copies of the Software, and to permit persons to whom the
16  * Software is furnished to do so, subject to the following conditions:
17  *
18  * The above copyright notice and this permission notice shall be included
19  * in all copies or substantial portions of the Software.
20  *
21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27  * DEALINGS IN THE SOFTWARE.
28  ****************************************************************************/
29 
30 #ifndef OGRWARPEDLAYER_H_INCLUDED
31 #define OGRWARPEDLAYER_H_INCLUDED
32 
33 #ifndef DOXYGEN_SKIP
34 
35 #include "ogrlayerdecorator.h"
36 
37 /************************************************************************/
38 /* OGRWarpedLayer */
39 /************************************************************************/
40 
41 class OGRWarpedLayer : public OGRLayerDecorator
42 {
43  CPL_DISALLOW_COPY_ASSIGN(OGRWarpedLayer)
44 
45  protected:
46  OGRFeatureDefn *m_poFeatureDefn;
47  int m_iGeomField;
48 
50  OGRCoordinateTransformation *m_poReversedCT; /* may be NULL */
51  OGRSpatialReference *m_poSRS;
52 
53  OGREnvelope sStaticEnvelope{};
54 
55  static int ReprojectEnvelope( OGREnvelope* psEnvelope,
57 
58  OGRFeature * SrcFeatureToWarpedFeature(OGRFeature* poFeature);
59  OGRFeature * WarpedFeatureToSrcFeature(OGRFeature* poFeature);
60 
61  public:
62 
63  OGRWarpedLayer(OGRLayer* poDecoratedLayer,
64  int iGeomField,
65  int bTakeOwnership,
66  OGRCoordinateTransformation* poCT, /* must NOT be NULL, ownership acquired by OGRWarpedLayer */
67  OGRCoordinateTransformation* poReversedCT /* may be NULL, ownership acquired by OGRWarpedLayer */);
68  virtual ~OGRWarpedLayer();
69 
70  void SetExtent(double dfXMin, double dfYMin, double dfXMax, double dfYMax);
71 
72  virtual void SetSpatialFilter( OGRGeometry * ) override;
73  virtual void SetSpatialFilterRect( double dfMinX, double dfMinY,
74  double dfMaxX, double dfMaxY ) override;
75  virtual void SetSpatialFilter( int iGeomField, OGRGeometry * ) override;
76  virtual void SetSpatialFilterRect( int iGeomField, double dfMinX, double dfMinY,
77  double dfMaxX, double dfMaxY ) override;
78 
79  virtual OGRFeature *GetNextFeature() override;
80  virtual OGRFeature *GetFeature( GIntBig nFID ) override;
81  virtual OGRErr ISetFeature( OGRFeature *poFeature ) override;
82  virtual OGRErr ICreateFeature( OGRFeature *poFeature ) override;
83 
84  virtual OGRFeatureDefn *GetLayerDefn() override;
85 
86  virtual OGRSpatialReference *GetSpatialRef() override;
87 
88  virtual GIntBig GetFeatureCount( int bForce = TRUE ) override;
89  virtual OGRErr GetExtent(int iGeomField, OGREnvelope *psExtent, int bForce = TRUE) override;
90  virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce = TRUE) override;
91 
92  virtual int TestCapability( const char * ) override;
93 };
94 
95 #endif /* #ifndef DOXYGEN_SKIP */
96 
97 #endif // OGRWARPEDLAYER_H_INCLUDED
Definition of a feature class or feature layer.
Definition: ogr_feature.h:259
Abstract base class for all geometry classes.
Definition: ogr_geometry.h:286
This class represents an OpenGIS Spatial Reference System, and contains methods for converting betwee...
Definition: ogr_spatialref.h:147
This class represents a layer of simple features, with access methods.
Definition: ogrsf_frmts.h:70
Interface for transforming between coordinate systems.
Definition: ogr_spatialref.h:675
A simple feature, including geometry and attributes.
Definition: ogr_feature.h:354
long long GIntBig
Large signed integer type (generally 64-bit integer type).
Definition: cpl_port.h:248
int OGRErr
Simple container for a bounding region.
Definition: ogr_core.h:290
#define CPL_DISALLOW_COPY_ASSIGN(ClassName)
Helper to remove the copy and assignment constructors so that the compiler will not generate the defa...
Definition: cpl_port.h:989

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