[GRASS-dev] Modules

Michael Barton michael.barton at asu.edu
Tue Feb 20 10:06:33 EST 2007


I'm hoping that v.edit will be the kernel of a new digitizing module. But I
realize that it will take work.

Michael


On 2/20/07 1:09 AM, "Jáchym Čepický" <jachym.cepicky at gmail.com> wrote:

> hi,
> 
> 2007/2/19, Moritz Lennert <mlennert at club.worldonline.be>:
>> On 18/02/07 19:01, Glynn Clements wrote:
>>> Glynn Clements wrote:
>>> 
> [...]
>>> 
>>> It turns out that you can, but the GPL version doesn't support
>>> polylines, which is probably a fairly major omission for a potential
>>> v.digit replacement.
>>> 
>> 
>> I think I have missed something in the discussion: does it seem too
>> difficult to develop a replacement of v.digit based on v.edit ? It seems
>> a bit overkill to require the use of an external CAD package for
>> digitizing, which IMHO is one of the core functions of a GIS.
>> 
>> Moritz
> 
> Idea of v.edit is to be a CLI backend for future v.digit. I do not
> know, if swig sollution would not be better. But we have to build new
> map display using wxPython to be able to develop something
> 
> currently, one limitation does v.edit have. topology needs to be build
> after every editing. This will make it unusable for large rasters. but
> IMHO we do not need to build whole topology, we need just something to
> be able to use functions like Vect_find_line,
> Vect_select_lines_by_box, and so on

__________________________________________
Michael Barton, Professor of Anthropology
School of Human Evolution & Social Change
Center for Social Dynamics & Complexity
Arizona State University

phone: 480-965-6213
fax: 480-965-7671
www: http://www.public.asu.edu/~cmbarton






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