Hi Sören, thanks for looking at it. The ticket is:
https://trac.osgeo.org/grass/ticket/2074 It's may be obvious but in GRASS 6 it's working. I'm not sure about the result. Since the random map maybe not the best map to visualize in nviz. By the way, r3.mapcalc "test_map = rand(0, 500)" is much faster in GRASS 6. Vaclav On Tue, Sep 10, 2013 at 3:12 AM, Sören Gebbert <[email protected] > wrote: > Hi Vaclav, > thanks for the error report. Your r3.mapcalc expression is correct. > I must have introduced this error recently. I hope i have time at the > FOSS4G or in October to have a look at this error. > > Can you please create a ticket and an example to reproduce this error? > > Best regards > Soeren > > 2013/9/10 Vaclav Petras <[email protected]>: > > Hi, > > > > I'm trying to use the neighborhood modifier [1] in r3.mapcalc in GRASS7. > > > > My command is something like this: > > > > r3.mapcac "newmap = (mapname[0, 0, 0] + mapname[1, 1, 0]) / 2" > > > > But I'm getting the following errors: > > > > ERROR: Rast3d_cache_hash_load_name: name already in hashtable > > (cachehash.c: 98) > > > > ERROR: Rast3d_get_double_region: error in Rast3d_get_tile_ptr.Region > > coordinates x 528 y 1 z 0 tile index 24 offset 22 > > (getvalue.c: 185) > > > > Not sure which when, it seems to be random, so far. > > > > Since this is not much documented in manual, I'm wondering if I'm using > it > > correctly, if yes, I'll turn this into a ticket. > > > > Thanks, > > Vaclav > > > > [1] http://grass.osgeo.org/grass70/manuals/r3.mapcalc.html > > [2] http://grass.osgeo.org/programming7/getvalue_8c_source.html#l00165 > > [3] http://grass.osgeo.org/programming7/cachehash_8c_source.html#l00092 >
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