37 lines
1.3 KiB
C++
37 lines
1.3 KiB
C++
#include <gdal/ogr_spatialref.h>
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#include <gdal/ogr_spatialref.h>
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#include <ogr_spatialref.h>
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/**
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@brief stores the contents of a tif file with float32 values
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*/
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class HeightMap
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{
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public:
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float* data;
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double* geotransform; //!< Six double buffer for storing the affine transformations
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// https://gdal.org/api/gdaldataset_cpp.html#_CPPv4N11GDALDataset15GetGeoTransformEPd
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int width; //!< width of image in pixels
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int height; //!< height of image in pixels
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float min; //!< Minimum value in image
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float max; //!< Maximum value in image
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OGRSpatialReference reference_system;
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HeightMap(const char* filepath);
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float get_pixel(int x,int y);
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};
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/**
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@brief stores the cells from marching squars for one elevation level
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*/
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class CellMap
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{
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public:
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uint8_t* cells; //!< pointer to the first cell in the array. uint8_t is a 8 bit unsigned integer
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double* geotransform; //!< Six double buffer for storing the affine transformations
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int width; //!< width of image in cells
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int height; //!< height of image in cells
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OGRSpatialReference reference_system;
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CellMap(int width, int height, uint8_t* cells, OGRSpatialReference reference_system, double* geotransform);
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int get_cell(int x,int y);
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}; |