[GRASS-user] help

2011-01-21 Thread Rahma Dhaouadi
Bonjour, je suis débutante, et j'ai un problème. en pièces jointes, j'ai mis deux fichiers qui présentent mon problème; un fichier est en anglais, le deuxième est en français. S'il vous plaît, je comptes sur votre support et aide. mille mercis!! problem english.docx Description: application/vnd.

Re: [GRASS-user] help

2011-01-21 Thread Micha Silver
Hello Rahma: It seems you have *very* limited information about the parcels. I can't imagine any way to get a GIS layer from a table with nothing but the id of the adjacent polygons. For example, suppose a plot is a rectangle and it has two plots to the north?? Suppose s

Re: [GRASS-user] Trouble when I re-project a vector

2011-01-21 Thread Micha Silver
On 01/19/2011 08:51 PM, Thomas Adams wrote: All: With GRASS 6.4.0 on RedHat Linux I can successfully import a vector shapefile into a Lat-Long GRASS LOCATION. Then I can display the vector file (stream basins) with a color fill — no problems. What I am trying to do is re-project these basin

[GRASS-user] r.out.xyz problem floating point

2011-01-21 Thread Clémentine Fritsch
I need to export a x,y,z text file from an ascii file. I have run r.out.xyz in GRASS 6.4.0 but the values of z in the output file are incorrect. To check, I have tried to export using r.out.ascii with the parameter “dp=2” and in this case, the values are correct. Therefore, I suppose that the

[GRASS-user] r.los behavior and computation

2011-01-21 Thread Julien-Charles Lévesque
Hi, I am curious as to how the r.los module computes it's visibility exactly. I dug in the code a little bit, but I found it to be hard to read, so I am asking on this mailing list. I know that r.viewshed is going to compute visibility using gradients (given a point q and a viewpoint v, q is visi

[GRASS-user] r.reclass.area...aborted

2011-01-21 Thread Gabriele N.
Ciao grass users. I have a warning when I launch the command r.reclass.areaaborted. The map, however, is generated but I'm not sure that everything is correct. What do you say? Thanks r.reclass.area input=fc_map_1001_int_fl1_NO_6_bin_fl2fl1ec_recode_meno_10_11___15 output=fc_map_1001_i