[GRASS-user] quick comparison r.cost / r.walk

2008-02-19 Thread Dylan Beaudette
Hi, posted a quick comparison between r.walk / r.cost. Page is still sparse on descriptions / interpretations, but its late! http://casoilresource.lawr.ucdavis.edu/drupal/node/544 Cheers, -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of

[GRASS-user] (no subject)

2008-02-19 Thread Nikos Alexandris
I am curious if any of you experienced developers has ever thought about using GPU as a CPU (or Co-CPU) in order to boost calculation speed... ? Is it or is not possible? http://www.gpgpu.org/ Cheers, Nikos signature.asc Description: This is a digitally signed message part

[GRASS-user] r.out.gmt -- color palette with gaps?

2008-02-19 Thread Carlos Guâno Grohmann
Hi all. I have this color shaded relief map created with r.his and r.composite. I want to use it as a base map in GMT, sou I went to the AddOns page to get the r.out.gmt script, which creates the color palette (.cpt) for me. But when I try to create the map with GMT, I get this msg: [EMAIL

Re: [GRASS-user] polygon random partition

2008-02-19 Thread bks
Hi, sorry for asking once more... I need to partition input polygon into more pieces (polygons). The areas of the pieces should correspond to the information given in the attribute table of the input polygon(s). Spatial distribution of the pieces (i.e. output polygons) is random. The input

Re: [GRASS-user] quick comparison r.cost / r.walk

2008-02-19 Thread Dylan Beaudette
On Tuesday 19 February 2008 04:57:34 am stefano negri wrote: Hi Dylan, interesting page. I have been playing with r.cost, r.drain and r.walk too lately and wanted to write something about this topic to the list, so this comes at the right moment :-) Hi Stefano, I think it is interesting to

Re: [GRASS-user] (no subject)

2008-02-19 Thread Glynn Clements
Nikos Alexandris wrote: I am curious if any of you experienced developers has ever thought about using GPU as a CPU (or Co-CPU) in order to boost calculation speed... ? Is it or is not possible? Most of GRASS' performance issues arise from the fact that code simplicity takes precedence over

Re: [GRASS-user] r.out.gmt -- color palette with gaps?

2008-02-19 Thread Hamish
Carlos wrote: Hi all. I have this color shaded relief map created with r.his and r.composite. I want to use it as a base map in GMT, sou I went to the AddOns page to get the r.out.gmt script, which creates the color palette (.cpt) for me. But when I try to create the map with GMT, I get this

Re: [GRASS-user] r.out.gmt -- color palette with gaps?

2008-02-19 Thread Dylan Beaudette
On Tuesday 19 February 2008 11:00:58 am Carlos Guâno Grohmann wrote: Hi all. I have this color shaded relief map created with r.his and r.composite. I want to use it as a base map in GMT, sou I went to the AddOns page to get the r.out.gmt script, which creates the color palette (.cpt) for me.

Re: [GRASS-user] Projection of dataset does not appear to match the current location!!!

2008-02-19 Thread Kunal Malik
HI !! If i don't know the Projection Information of the File to be Imported,could i import the raster/vector file available.. i am Trying to display one raster image kept on my harddisk. I have kept spearfish60 on /usr/local/grassdata so I set Location . spearfish60 I have made one user user1