[SoC] Week 9: GRASS GIS 3D flowlines

[Anna Petrášová]

Hi,

1. What did you get done this week:
I rewrote the rest of the Python implementation (added flowaccumulation and
on-the-fly gradient computation). I tested it against Python implementation
and when computing gradient, it still differs a little bit so I will test
more.

2. What do you plan on doing next week?
Next week I will add more code documentation and try to write some tests.
Also, I would like to implement integrating flowlines in both directions.

3. Are you blocked on anything?
No.

Anna

[1]
http://trac.osgeo.org/grass/wiki/GSoC/2014/ImplementationOf3DRasterFlowLine
[2] http://trac.osgeo.org/grass/browser/grass-addons/grass7/raster3d/r3.flow
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