[GRASS-dev] r3.mapcalc neighborhood modifier error
soerengebbert at googlemail.com
Tue Sep 10 00:12:20 PDT 2013
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?
2013/9/10 Vaclav Petras <wenzeslaus at gmail.com>:
> I'm trying to use the neighborhood modifier  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.
>  http://grass.osgeo.org/grass70/manuals/r3.mapcalc.html
>  http://grass.osgeo.org/programming7/getvalue_8c_source.html#l00165
>  http://grass.osgeo.org/programming7/cachehash_8c_source.html#l00092
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