[GRASS-dev] wxGUI raster digitizer available

[Anna Petrášová]

Hi all,

I added raster digitizer in r62792 in trunk. You are welcome to test it and
report bugs/enhancements.
It currently allows to draw areas, lines and points and specify width to
buffer individual features. We can discuss some changes in gui interface
and behavior if you find the current one intuitive.  There is still a lot
to improve especially in the drawing part (needs some refactoring of the
old drawing code).

Features:
- draw area, line, point
- specify buffer width for individual features to create for example
circles, roads of certain width...
- specify background map
- simple undo
- save button to save results during drawing
- keeps drawing order in the output raster map
- change color of drawing
- doesn't block gui when exporting raster (which can take some time)

Does not support (yet?):
- adding labels
- interactive setting color of raster cells (not planned, there are other
tools)
- vector export/import

Known issues:
- r.in.poly supports only CELL (I just realized that, this must be changed)
- various small drawing issues
- slow when exporting features with buffers (r.grow is slow, probably
because it's a script)

Anna
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