Re: [GRASS-user] Re: Grid Mismatch while importing with 6.4.1 and 6.4.2

2012-03-29 Thread Maris Nartiss
If Your GRASS version has changed, most likely also GDAL version has changed. Just look into GDAL changelog for any cell is point vs cell is area type changes for Your raster format. Also - for the next time don't forget to add info about raster format You where trying to import. Maris. 2012.

[GRASS-user] Python/Ctype interface: how to get coordinates for raster layer.

2012-03-29 Thread peter . loewe
hi all, for a GRASS 6.x script I'm using the ctype interface to iterate over all lines (and cells) of a raster layer: ... for rown in xrange(rows): G_get_raster_row(infd, inrast, rown, data_type) print rown, inrast[0:cols] ... [taken from the ctypes raster example

[GRASS-user] Lidar points height from ground

2012-03-29 Thread Daniel Victoria
Hi all, I'm trying to calculate the height from the ground of several lidar points (15million) in order to get the number of points that occur at different height levels. I read some older posts about using r.in.xyz (or r.in.lidar in grass 7) but I could not understand how to count the number or

Re: [GRASS-user] How to retrieve raster pixel value over a vector point layer

2012-03-29 Thread Micha Silver
Once you've added columns for the pixell values to the point vector, then you can, of course, display those attributes on your map. -- Micha Silver 052-366-5918 -Original message- From: Helena Herrera helenaherrera1...@gmail.com To: Micha Silver mi...@arava.co.il Cc: