[GRASS-user] 3D buffer

Markus Neteler neteler at osgeo.org
Wed Apr 22 19:04:48 EDT 2009


On Tue, Apr 21, 2009 at 7:13 PM, Stefania Merlo <sm399 at cam.ac.uk> wrote:
> Dear GRASS list,
>
> I have not been able to participate to the list discussions for a while but
> I am now back with my 3D related questions. Has anybody recently worked on
> 3d buffers around points and lines in the form of spheres and cylinders?
> Would it be extremely complicated to write the code for this function? I
> unfortunately cannot program but I have come across some conceptualisations
> of the work to be done, if anyone could assist.

Welcome back, Stefania.

It took an extra Google Summer of Code project to get a new good 2D v.buffer
module... I recently had a look at O'Rourke's book "Computational Geometry in C"
and I found 3D topology rather tricky :)

Did you find any GPL'ed functions which could be recycled?

Markus


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