[GRASS-user] Weighted v.kernel calculation

I have a dataset of manufacturing plants with employment levels at each one. I am looking to generate a kernel density map to show changing geographic distribution of employment over time. I am looking to generate a map similar to that generated by v.kernel, but just with weights on each point

Re: [GRASS-user] Weighted v.kernel calculation

Ted Rosenbaum pisze: I have a dataset of manufacturing plants with employment levels at each one. I am looking to generate a kernel density map to show changing geographic distribution of employment over time. I am looking to generate a map similar to that generated by v.kernel, but just

Re: [GRASS-user] Histogram Matching

On Wed, Apr 7, 2010 at 3:24 AM, Nikos Alexandris nikos.alexand...@felis.uni-freiburg.de wrote: On Thu, Dec 17, 2009 at 11:52 AM, andry rustanto getux...@gmail.com wrote: Dear All, Please inform me how to do histogram matching in grass gis, thank you indeed.. On Tue, 2010-01-12 at 07:21

[GRASS-user] Output parsing in python

Hello everybody, I am porting a bash script to python and for it I need to know the number of cells of a certain category. Right now I use this syntax: grass.parse_command('r.stats',flags='c',input='map'), but the output is something like this: {'112 525': None.. }. Is there a way to have

[GRASS-user] Parsing output with python

Hello everybody, I am porting a bash script to python and for it I need to know the number of cells of a certain category. Right now I use this syntax: grass.parse_command('r.stats',flags='c',input='map'), but the output is something like this: {'112 525': None.. }. Is there a way to have

Re: [GRASS-user] v.lidar.edgedetection -e option

Just installed updated 6.5svn, and the -e option is indeed present. Thanks for the help. Mark On Tue, Apr 6, 2010 at 10:36 AM, Markus Neteler nete...@osgeo.org wrote: On Tue, Apr 6, 2010 at 4:26 PM, M S msei...@gmail.com wrote: I'll try updating. It looks like it was installed around

[GRASS-user] Using r.mapcalc to extract road network from satellite imagery

Hi all, i have been using V.clean to get a straight line of road network from my satellite imagery which i have successfully classified and converted to vector from raster. I read some articles on r.mapcalc as a possiblility for extracting a clean road network but i tried using it but did not

[GRASS-user] Polish datum problem

Hi This is rather question for Polish GRASS users Did anyone notice what had happed with PUWG 1965 within Proj4 EPSG database? Since PROJ version 4.6 is : 2173 +proj=sterea +lat_0=53.583334 +lon_0=17.008333 +k=0.9998 +x_0=3501000 +y_0=5999000 +ellps=krass +units=m

Re: [GRASS-user] Parsing output with python

thedok78 wrote: I am porting a bash script to python and for it I need to know the number of cells of a certain category. Right now I use this syntax: grass.parse_command('r.stats',flags='c',input='map'), but the output is something like this: {'112 525': None.. }. Is there a way to have

Re: [GRASS-user] can I access mapset outside of grass, by using python?

On Mon, 2010-03-08 at 01:20 +0100, Nikos Alexandris wrote: I understand that this way of using grass isn't recommended for (let us say) beginners. Nevertheless, my aim was/is to put most of this thread in a wiki-page because I consider it as very practical. --%---