How-To Code Your Own GRASS extension

Want to write your own GRASS code? Read on!

Code examples

• Template for raster module: source:grass/trunk/doc/raster/r.example/
  • example for pixel oriented raster module: source:grass/trunk/raster/r.patch
  • example for full map oriented raster module with segmentation: source:grass/trunk/raster/r.cost
• Template for vector module: source:grass/trunk/doc/vector/v.example/
  • example for vector module with database support: source:grass/trunk/vector/v.extract/
• Script: please take a look at existing scripts at source:grass/trunk/scripts/

Of course all existing modules and libraries are examples to look at.

GRASS Programmer's Manual

​GRASS Programmer's Manual

Backporting

See ​http://svnbook.red-bean.com/en/1.4/svn.branchmerge.copychanges.html

Further notes

See ​http://grass.gdf-hannover.de/wiki/Development (should be moved here)