Re: [GRASS-user] speeding up v.overlay

Stuart Gralton wrote: Hello Everyone, I am trying to use v.overlay to clip contour lines for a specific area. The contour lines were imported into GRASS from a shapefile which is about 33Mb. The query was as follows: v.overlay ainput=contour atype=line binput=boundingbox output=contour_clip

[GRASS-user] v.db.select

Hi, How was the mean calculated from the table below? these are the output of v.db.select from v.rast.stats. Cat n min max range mean stddev variance coeff-va sum 26 1126 78 97 19 86.59 9.46 89.42 10.92 97499 -- Kind Regards TS Gumede | CSIR | Meraka Institute |

Re: [GRASS-user] speeding up v.overlay

Hi Markus, Thank you for your reply. This is the original vector: v.db.connect -p cont Vector map c...@permanent is connected by: layer 1 table cont in database /home/stuart/grassdata/aawt_mga55/PERMANENT/dbf/ through driver dbf with key cat The v.split command and output: v.split input=cont

Re: [GRASS-user] speeding up v.overlay

Stuart Gralton wrote: v.db.connect -p cont Vector map c...@permanent is connected by: layer 1 table cont in database /home/stuart/grassdata/aawt_mga55/PERMANENT/dbf/ through driver dbf with key cat Stuart a general recommendation (in case you are not aware of it): better to work with data

Re: [GRASS-user] v.db.select

Sandile Gumede wrote: How was the mean calculated from the table below? these are the output of v.db.select from v.rast.stats. Hi! As far as I understand, v.rast.stats is a script calling r.mapcalc to perform the calculations. Subsequently, calculations depend on the raster map(s) (size,

[GRASS-user] Re: grass-user Digest, Vol 52, Issue 55

On Aug 24, 2010, at 3:34 AM, grass-user-requ...@lists.osgeo.org wrote: Date: Mon, 23 Aug 2010 17:20:19 -0700 (PDT) From: Hamish hamis...@yahoo.com Subject: Re: [GRASS-user] BAnk and ditch symbols in grass (or other OpenSource GIS) To: grass-user@lists.osgeo.org, Dr Tim Southern

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

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

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

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 voice: 480-965-6262 (SHESC), 480-727-9746 (CSDC)

[GRASS-user] rpy proceses

Hello everyone I have a question I can suggest tutorials or manuals that explain how to work rpy and grass at the same time. thanks for the help and attention Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org

[GRASS-user] work with wfs layer

Hello everyone I have a question you can work in grass gis directly with wfs layers or intermediaries such as oswlib necessary. thanks for the help and attention Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org

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

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

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

Sounds like good ideas when you get a chance to move ahead with them. Maybe someone will be able to help you on this. Michael On Aug 24, 2010, at 7:14 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