[GRASS-dev] how to use graphical modeler

Martin Landa landa.martin at gmail.com
Fri Aug 26 12:21:31 EDT 2011


Hi,

2011/8/26 Michael Barton <Michael.Barton at asu.edu>:
> I was procrastinating this evening and tried to use the new graphical modeler so I could teach it to others. I was going to try the following work flow:
>
> vector streams map -> v.to.rast -> raster streams map -> r.buffer -> raster streams buffer map -> r.to.vect -> vector polygons of raster buffers of different buffer distances from the streams
>
> Unfortunately, I could not figure out how it works. I can create an action (module) box and data (maps) ellipses. But nothing happens when I press the connectors button, except that the cursor turns into a cross.

btw, data items are created automatically when you define them by
action, see [1]. Note that graphical modeler is under development...

Martin

[1] http://grass.osgeo.org/wiki/WxGUI_Modeler#Video_Tutorials


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