VTK  9.4.20250126
vtkGDALRasterReader.h
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1// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2// SPDX-License-Identifier: BSD-3-Clause
25#ifndef vtkGDALRasterReader_h
26#define vtkGDALRasterReader_h
27
28#include <vtkIOGDALModule.h> // For export macro
29#include <vtkImageReader2.h>
30
31// C++ includes
32#include <string> // string is required
33#include <vector> // vector is required
34
35VTK_ABI_NAMESPACE_BEGIN
36class VTKIOGDAL_EXPORT vtkGDALRasterReader : public vtkImageReader2
37{
38public:
41 void PrintSelf(ostream& os, vtkIndent indent) override;
42
45
49 int CanReadFile(VTK_FILEPATH const char* fname) override;
50
54 const char* GetProjectionString() const;
55
59 const char* GetProjectionWKT() const { return this->ProjectionWKT.c_str(); }
60
65 const double* GetGeoCornerPoints();
66
72 vtkSetMacro(CollateBands, bool);
73 vtkGetMacro(CollateBands, bool);
74 vtkBooleanMacro(CollateBands, bool);
75
77
80 vtkSetVector2Macro(TargetDimensions, int);
81 vtkGetVector2Macro(TargetDimensions, int);
83
85
90
94 const std::vector<std::string>& GetMetaData();
95
102 double GetInvalidValue(size_t bandIndex = 0, int* hasNoData = nullptr);
103
107 std::vector<std::string> GetDomainMetaData(const std::string& domain);
108
110
113 const std::string& GetDriverShortName();
114 const std::string& GetDriverLongName();
116
121
123
128 const char* GetCellArrayName(int index);
129 int GetCellArrayStatus(const char* name);
130 void SetCellArrayStatus(const char* name, int status);
134
135protected:
137 vtkInformationVector* outputVector) override;
138
140 vtkInformationVector* outputVector) override;
141
142 int FillOutputPortInformation(int port, vtkInformation* info) override;
143
144 int TargetDimensions[2];
145 std::string Projection;
146 std::string ProjectionWKT;
147 std::string DomainMetaData;
148 std::string DriverShortName;
149 std::string DriverLongName;
150 std::vector<std::string> Domains;
151 std::vector<std::string> MetaData;
153
154 class vtkGDALRasterReaderInternal;
155 vtkGDALRasterReaderInternal* Impl;
156
157private:
159 void operator=(const vtkGDALRasterReader&) = delete;
160};
161
162VTK_ABI_NAMESPACE_END
163#endif // vtkGDALRasterReader_h
Read raster file formats using GDAL.
void DisableAllCellArrays()
The following methods allow selective reading of bands.
void EnableAllCellArrays()
The following methods allow selective reading of bands.
~vtkGDALRasterReader() override
int FillOutputPortInformation(int port, vtkInformation *info) override
Fill the output port information objects for this algorithm.
vtkGDALRasterReaderInternal * Impl
void SetCellArrayStatus(const char *name, int status)
The following methods allow selective reading of bands.
std::vector< std::string > GetDomainMetaData(const std::string &domain)
Return domain metadata.
int GetNumberOfCellArrays()
The following methods allow selective reading of bands.
const char * GetCellArrayName(int index)
The following methods allow selective reading of bands.
const std::vector< std::string > & GetMetaData()
Return metadata as reported by GDAL.
const char * GetProjectionString() const
Return proj4 spatial reference.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
static vtkGDALRasterReader * New()
int CanReadFile(VTK_FILEPATH const char *fname) override
Is this file supported.
std::vector< std::string > Domains
std::vector< std::string > MetaData
int RequestData(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector) override
This is called in response to a REQUEST_DATA request from the executive.
vtkIdType GetNumberOfCells()
Return the number of cells that are not set to GDAL NODATA.
const std::string & GetDriverLongName()
Return driver name which was used to read the current data.
const char * GetProjectionWKT() const
Returns WKT spatial reference.
int * GetRasterDimensions()
Get raster width and height in number of pixels (cells)
double GetInvalidValue(size_t bandIndex=0, int *hasNoData=nullptr)
Return the invalid value for a pixel (for blanking purposes) in a specified raster band.
int GetCellArrayStatus(const char *name)
The following methods allow selective reading of bands.
int RequestInformation(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector) override
Subclasses can reimplement this method to collect information from their inputs and set information f...
const double * GetGeoCornerPoints()
Return geo-referenced corner points (Upper left, lower left, lower right, upper right)
const std::string & GetDriverShortName()
Return driver name which was used to read the current data.
Superclass of binary file readers.
a simple class to control print indentation
Definition vtkIndent.h:108
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
int vtkIdType
Definition vtkType.h:315
#define VTK_FILEPATH