[GRASS-user] v.to.rast Converted points/lines: 0 of 47763

Hi, today another question. My problem: I converted boundaries from an area vmap to lines via v.type v.type input=git...@achim output=gitter_lines type=boundary,line --o Now I want to convert these lines to raster-cells via: v.to.rast --overwrite input=gitter_li...@achim output=gitter_lines

Re: [GRASS-user] v.to.rast Converted points/lines: 0 of 47763

achim wrote: today another question. My problem: I converted boundaries from an area vmap to lines via v.type v.type input=git...@achim output=gitter_lines type=boundary,line --o Now I want to convert these lines to raster-cells via: v.to.rast --overwrite input=gitter_li...@achim

Re: [GRASS-user] v.to.rast Converted points/lines: 0 of 47763

Thanks Hamish, but I do have cats. I did v.clean and I tried with v.category, too. But it doesn't help. Maybe my cats addressing the nodes??? achim Hamish schrieb: achim wrote: today another question. My problem: I converted boundaries from an area vmap to lines via v.type v.type

Re: [GRASS-user] v.to.rast Converted points/lines: 0 of 47763

Hi all, I solved by adding cat via v.category (only) for the lines. Before only centroids cats where present by default. v.clean not nesessary. Thanks Hamish! achim achim schrieb: Thanks Hamish, but I do have cats. I did v.clean and I tried with v.category, too. But it doesn't help.

Re: [GRASS-user] Testing i.pca ~ prcomp(), m.eigensystem ~ princomp()

Nikos: Finally all is clear _but_ one thing: the only unknown variable (to me) is still the Eigenvalue provided by i.pca. I can't nail this one: *** how is it calculated? *** Looks like it is some _weighted_ variance... !?? Hamish, if you have the time (or anyone , could you please

Re: [GRASS-stats] Re: [GRASS-user] Testing i.pca ~ prcomp(), m.eigensystem ~ princomp()

On Tue, Mar 3, 2009 at 12:26 PM, Hamish hamis...@yahoo.com wrote: ... it will be really good to finally have all this documented. I find it hard to follow these long mails. Why not enjoying the GRASS Wiki to stabilize the documentation and comparisons? Markus

Re: [GRASS-stats] Re: [GRASS-user] Testing i.pca ~ prcomp(), m.eigensystem ~ princomp()

On Tue, 2009-03-03 at 13:18 +0100, Markus Neteler wrote: On Tue, Mar 3, 2009 at 12:26 PM, Hamish hamis...@yahoo.com wrote: ... it will be really good to finally have all this documented. I find it hard to follow these long mails. Why not enjoying the GRASS Wiki to stabilize the

Re: [GRASS-user] Testing i.pca ~ prcomp(), m.eigensystem ~ princomp()

Nikos: Eigenvalue provided by i.pca. I can't nail this one: *** how is it calculated? *** Looks like it is some _weighted_ variance... !?? Hamish, if you have the time (or anyone , could you please translate the code in grass6_dev/imagery/i.pca/main.c, concerning the eigval

[GRASS-user] r.water.outlet and SELECT WHERE Maximum

Hello, today I have two questions... No 1. r.water.outlet doesn't produce the hole outlet. I chose coordinates E and N from point coordinates. The point was converted from a raster-cell via r.to.vect. For illustration I attach a screenshot. No 2. I'd like to select the raster-cell with the

[GRASS-user] about GRASS digitizer

dear grass user, I am new in grass using windows native GRASS GIS 6.3.0.4 and i am having problem to digitize a map. I will be very gratefull if you could help us. *Problem* * * A model map is as example for my problem. Ø My first step I have digitized the polygon *dhk* (showed

Re: [GRASS-user] about GRASS digitizer

Hello: Zahid Parvez wrote: dear grass user,   I am new in grass using windows native GRASS GIS 6.3.0.4 and i am  having problem to digitize a map. I will be very gratefull if you could help  us.   Problem   A model map is as example for my problem.   Ø   My first

Re: [GRASS-user] r.water.outlet and SELECT WHERE Maximum

Hi, achim píše v Út 03. 03. 2009 v 17:52 +0100: Hello, today I have two questions... No 1. r.water.outlet doesn't produce the hole outlet. I chose coordinates E and N from point coordinates. The point was converted from a raster-cell via r.to.vect. For illustration I attach a screenshot.