Hi,
Hamish schrieb:
Hi, a short wishlist for r3.in.ascii:
I suggest changing r3.in.ascii's nv= parameter to default to '*' instead
of the word 'none', as is done in r.in.ascii.
Maybe "*" is more useful then "none". But if no null values are present
and "*" is set as default, the import is a bit slower (null values are checked for each voxel).
also, type= should be changed from "default,float,double" to
"default,integer,float,double" or "default,CELL,FCELL,DCELL"?
(or 3D DCELL map type equivalents)
G3d lib supports only float and double values, no integer.
The type names are G3D_FLOAT and G3D_DOUBLE.
This will hopefully change when the raster and g3d lib are
new implemented as one library.
Why is "precision=" there at all? Is the module adapted from r.out.ascii
or something?
Precision is used for creating a new g3d map -> G3d_openNewParam (...)
and is needed by G3d_setCompressionMode(...).
I have no clue how the compression works in the g3d lib. 
The parameters:
type Data type used in the output file
precision Precision used in the output file (default, max, or 0 to 52)
compression The compression method used in the output file
tiledimension The dimension of the tiles used in the output file
are set with G3d_setStandard3dInputParams () and used with G3d_getStandard3dParams ( ... ).
If you want to change something, you need to modify grass6/lib/g3d/g3dparams.c.
could the "data source" metadata line be set to the input filename?
(example in r.in.xyz)
input_opt->gisprompt = "old_file,file,input";?
The help page needs cleaning, and perhaps a little 3x3x3 example.
Added to my todo list.
A r3.univar module would be nice too.
This is already on my wish and todo list. 
Best regards
Soeren
thanks,
Hamish
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