Re: [GRASS-user] How to get the area of a polygon in a layer

2018-10-26 Thread Nikos Alexandris
* Markus Neteler [2018-10-26 22:34:45 +0200]: Hi Nikos, On Tue, Oct 23, 2018 at 5:32 PM Nikos Alexandris wrote: Dear list, is the https://grass.osgeo.org/uploads/grass/sampledata/firedemo_grass7.sh script available. This link is broken. the correct link is:

Re: [GRASS-user] How to get the area of a polygon in a layer

2018-10-26 Thread Markus Neteler
Hi Nikos, On Tue, Oct 23, 2018 at 5:32 PM Nikos Alexandris wrote: > Dear list, > > is the > https://grass.osgeo.org/uploads/grass/sampledata/firedemo_grass7.sh > script available. This link is broken. the correct link is: https://grass.osgeo.org/sampledata/firedemo_grass7.sh Where did you find

Re: [GRASS-user] append data after a v.in.ascii import

2018-10-26 Thread Frank David
Thank you Markus, Is a feature could be created without a row data ?,  because the two maps have been created with a v.in.ascii from a text file, so it means that one object by row has been created. For both of my two maps. Frank Le 26/10/2018 à 18:44, Markus Metz a écrit : On Fri, Oct

Re: [GRASS-user] append data after a v.in.ascii import

2018-10-26 Thread Markus Metz
On Fri, Oct 26, 2018 at 2:26 PM Frank David wrote: > > I reply to myself, > > I mistook, if I append, I see a cat shift too. The fisrt cat of the > second map is shift by one. It's strange no ? Suppose there is a feature with cat 1 in map A and a feature also with cat 1 in map B, but

Re: [GRASS-user] append data after a v.in.ascii import

2018-10-26 Thread Frank David
I reply to myself, I mistook, if I append, I see a cat shift too. The fisrt cat of the second map is shift by one. It's strange no ? Frank Le 26/10/2018 à 14:17, Frank David a écrit : Hi Stephan, If I add two vector in a new one with : v.patch -c input=map1,map2 out=map3 I notice the

Re: [GRASS-user] append data after a v.in.ascii import

2018-10-26 Thread Frank David
Hi Stephan, If I add two vector in a new one with : v.patch -c input=map1,map2 out=map3 I notice the map3 first cat start at 2 instead of 1, so all cat are shifted by one. Do you have an idea of the reason ? If I append my map1 with map2 : v.patch -c -a input=map2 output=map1 --overwrite

Re: [GRASS-user] append data after a v.in.ascii import

2018-10-26 Thread Stefan Blumentrath
Hi, Try: v.patch -a https://grass.osgeo.org/grass76/manuals/v.patch.html (assuming attribute tables are equal). Cheers Stefan -Original Message- From: grass-user On Behalf Of Frank David Sent: fredag 26. oktober 2018 11:39 To: grass-user@lists.osgeo.org Subject: [GRASS-user] append

[GRASS-user] append data after a v.in.ascii import

2018-10-26 Thread Frank David
Hello, I wonder what is the best way to append a vector map and his attribute data created with v.in.ascii  ? Thanks Frank ___ grass-user mailing list grass-user@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/grass-user

Re: [GRASS-user] Exporting set of raster cells with different values as one layer

2018-10-26 Thread Kalindu Perera
Thanks a lot Moritz..!!! I got it and I'll read the mapcalc manual as well. Thanks again Best regards Kalindu Perera On Fri, 26 Oct 2018 at 13:25, Moritz Lennert wrote: > > > Am 26. Oktober 2018 09:08:11 MESZ schrieb Kalindu Perera < > kkc199...@gmail.com>: > >Thanks a lot

Re: [GRASS-user] Exporting set of raster cells with different values as one layer

2018-10-26 Thread Moritz Lennert
Am 26. Oktober 2018 09:08:11 MESZ schrieb Kalindu Perera : >Thanks a lot Moritz > >Can you just send me one example command?..I'm not sure I understood it >in >the way that you explained Please do read the r.mapcalc manual, but here's an example: r.mapcalc "category_range =

Re: [GRASS-user] Exporting set of raster cells with different values as one layer

2018-10-26 Thread Kalindu Perera
Thanks a lot Moritz Can you just send me one example command?..I'm not sure I understood it in the way that you explained Thanks again for the quick reply Best regards Kalindu Perera On Fri, 26 Oct 2018 at 11:46, Moritz Lennert wrote: > > > Am 26. Oktober 2018 06:42:44 MESZ

Re: [GRASS-user] Exporting set of raster cells with different values as one layer

2018-10-26 Thread Moritz Lennert
Am 26. Oktober 2018 06:42:44 MESZ schrieb Kalindu Perera : >Dear all, > >I'm doing wildfire simulations in the Grass. I need to calculate the >area >of only the wildfire spread from the simulation. For that, I need to >take >only the wildfire spread as a separate layer. But the drawback is the