VTK  9.3.0
vtkGDALVectorReader.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
21 #ifndef vtkGDALVectorReader_h
22 #define vtkGDALVectorReader_h
23 
24 #include "vtkIOGDALModule.h" // For export macro
26 
27 #include <map> // STL required.
28 #include <string> // for ivars
29 
30 VTK_ABI_NAMESPACE_BEGIN
31 class VTKIOGDAL_EXPORT vtkGDALVectorReader : public vtkMultiBlockDataSetAlgorithm
32 {
33 public:
35  void PrintSelf(ostream& os, vtkIndent indent) override;
37 
40 
45 
49  int GetLayerType(int layerIndex = 0);
50 
54  int GetFeatureCount(int layerIndex = 0);
55 
60 
65 
67 
72  vtkSetMacro(ActiveLayer, int);
73  vtkGetMacro(ActiveLayer, int);
75 
77 
83  vtkSetMacro(AppendFeatures, int);
84  vtkGetMacro(AppendFeatures, int);
85  vtkBooleanMacro(AppendFeatures, int);
87 
91  std::map<int, std::string> GetLayersProjection();
92 
96  const char* GetLayerProjection(int layerIndex);
97 
104  const char* GetLayerProjectionAsProj4(int layerIndex);
105 
107 
117  vtkSetMacro(AddFeatureIds, int);
118  vtkGetMacro(AddFeatureIds, int);
119  vtkBooleanMacro(AddFeatureIds, int);
121 
122 protected:
125 
128 
130 
132  char* FileName;
133 
137 
138  class Internal;
139 
141  vtkGDALVectorReader::Internal* Implementation;
142 
144  static int OGRRegistered;
145 
147  std::map<int, std::string> LayersProjection;
148 
149 private:
150  vtkGDALVectorReader(const vtkGDALVectorReader&) = delete;
151  void operator=(const vtkGDALVectorReader&) = delete;
152 };
153 
154 VTK_ABI_NAMESPACE_END
155 #endif // vtkGDALVectorReader_h
Read vector file formats using GDAL.
vtkGetFilePathMacro(FileName)
static int OGRRegistered
Global variable indicating whether the OGR library has been registered yet or not.
const char * GetLayerProjection(int layerIndex)
Return projection string belonging to a layer in WKT format.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
std::map< int, std::string > GetLayersProjection()
Return projection string belonging to each layer in WKT format.
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()
static vtkGDALVectorReader * New()
std::map< int, std::string > LayersProjection
Mapping of layer to projection.
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).
vtkSetFilePathMacro(FileName)
const char * GetLayerProjectionAsProj4(int layerIndex)
Return projection string belonging to a layer in PROJ.4 format.
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:29
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
Superclass for algorithms that produce only vtkMultiBlockDataSet as output.