GRASS and C++

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Calling GRASS library functionality in C++

For working examples, see:

Digitizer:

• http://trac.osgeo.org/grass/browser/grass/trunk/gui/wxpython/vdigit/

I/O:

• http://trac.osgeo.org/grass/browser/grass/trunk/lib/iostream/

Raster data processing

• http://trac.osgeo.org/grass/browser/grass/trunk/raster/r.terraflow/

Image processing

• http://trac.osgeo.org/grass/browser/grass/trunk/imagery/i.atcorr/

Visualization:

• http://trac.osgeo.org/grass/browser/grass/trunk/visualization/xganim/
• http://trac.osgeo.org/grass/browser/grass/trunk/visualization/wximgview/

Notes

When developing C++ code to call a C function you need to specified for the compiler that the gis.h include is C code with:

extern "C" 
{
#include <grass/gis.h>
}