[GRASS-user] Pos-classification processing

[Markus Neteler]

Hi,

On Wed, Jan 6, 2010 at 5:32 PM, Pedro Roma <pedroroma1982 at gmail.com> wrote:
> Hello All
> This is my first email to GRASS mailing list.

welcome :)

> at my college we are using ArcGIS Spatial Analyst tool to perform some
> pos-classification processing. Our objective is to apply a semantic
> generalization operation by:
> - eliminating clusters with a size bellow defined Minimum Mapping area;

v.clean, tool=rmarea thresh=xxx
or
r.neighbors, method=mode
or
r.reclass.area

> - Erosion&Shrink/Expand in order to create buffers;

r.grow

> - apply filters in order to implement a boundary smooth.

see for example
v.generalize

The manual is here:
http://grass.osgeo.org/grass64/manuals/html64_user

> All this functions are available at ArcGIS but I want to use them in GRASS,
> since it's a Open Source tool, and demonstrate the best assets of this
> software.
> Could anyone point me a few functions/modules that can perform this tasks?

See above.
Please consider to later add your results to
http://grass.osgeo.org/wiki/Tips_for_Arc_users

Markus