VTK  9.2.5
vtkGDALVectorReader.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkGDALVectorReader.h
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14=========================================================================*/
33#ifndef vtkGDALVectorReader_h
34#define vtkGDALVectorReader_h
35
36#include "vtkIOGDALModule.h" // For export macro
38
39#include <map> // STL required.
40#include <string> // for ivars
41
43{
44public:
46 void PrintSelf(ostream& os, vtkIndent indent) override;
48
51
56
60 int GetLayerType(int layerIndex = 0);
61
65 int GetFeatureCount(int layerIndex = 0);
66
71
76
78
83 vtkSetMacro(ActiveLayer, int);
84 vtkGetMacro(ActiveLayer, int);
86
88
94 vtkSetMacro(AppendFeatures, int);
95 vtkGetMacro(AppendFeatures, int);
96 vtkBooleanMacro(AppendFeatures, int);
98
102 std::map<int, std::string> GetLayersProjection();
103
107 const char* GetLayerProjection(int layerIndex);
108
115 const char* GetLayerProjectionAsProj4(int layerIndex);
116
118
128 vtkSetMacro(AddFeatureIds, int);
129 vtkGetMacro(AddFeatureIds, int);
130 vtkBooleanMacro(AddFeatureIds, int);
132
133protected:
136
139
141
143 char* FileName;
144
148
149 class Internal;
150
152 vtkGDALVectorReader::Internal* Implementation;
153
155 static int OGRRegistered;
156
158 std::map<int, std::string> LayersProjection;
159
160private:
162 void operator=(const vtkGDALVectorReader&) = delete;
163};
164
165#endif // vtkGDALVectorReader_h
Read vector file formats using GDAL.
vtkGetFilePathMacro(FileName)
std::map< int, std::string > GetLayersProjection()
Return projection string belonging to each layer in WKT format.
static int OGRRegistered
Global variable indicating whether the OGR library has been registered yet or not.
const char * GetLayerProjectionAsProj4(int layerIndex)
Return projection string belonging to a layer in PROJ.4 format.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
int GetActiveLayerType()
Return the active layer type (eg point, line, polygon).
int RequestInformation(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
This is called by the superclass.
char * FileName
The name of the file that will be opened on the next call to RequestData()
std::map< int, std::string > LayersProjection
Mapping of layer to projection.
const char * GetLayerProjection(int layerIndex)
Return projection string belonging to a layer in WKT format.
int GetFeatureCount(int layerIndex=0)
Given a layer index return number of features (shapes).
vtkGDALVectorReader::Internal * Implementation
Private per-file metadata.
int GetLayerType(int layerIndex=0)
Given a index return layer type (eg point, line, polygon).
static vtkGDALVectorReader * New()
vtkSetFilePathMacro(FileName)
int GetActiveLayerFeatureCount()
Return the number of features in the active layer (shapes).
~vtkGDALVectorReader() override
int GetNumberOfLayers()
Return number of layers.
int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
This is called by the superclass.
a simple class to control print indentation
Definition: vtkIndent.h:40
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
Superclass for algorithms that produce only vtkMultiBlockDataSet as output.