[GRASS-user] Re: BAnk and ditch symbols in grass (or other Open Source GIS)

[Michael Barton]

That's great news.

Michael
______________________________
C. Michael Barton 
Director, Center for Social Dynamics & Complexity
Professor of Anthropology, School of Human Evolution & Social Change
Arizona State University
Tempe, AZ  85287-2402
USA

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		http://www.public.asu.edu/~cmbarton

On Aug 24, 2010, at 1:54 PM, Hamish wrote:

> Michael wrote:
>> I wonder if an enterprising programmer could start with the
>> d.rast.arrow code and use it to allow different symbols than
>> arrows?
> 
> FYI I am already well underway on that, have half-written a new
> module called d.barb. Primarily for drawing wind barbs on met
> maps, but also allows things like straws instead of arrows.
> 
> input is either from a raster map array like d.rast.arrow, or
> a vector map with direction and magnitude taken from the points'
> attribute table.
> 
> 
> It seems question at hand is how to add variable length+density
> hatch lines on vector lines. I imagine this could be possible for
> PostScript for ps.map, but probably not for GRASS 6.x display
> drivers (I recall that even dashed lines had to be reverted in
> the past there).
> 
> 
> Hamish
> 
> 
> 
>