[GRASSLIST:160] Re: Reading/writing maps [was Re:GRASSLIST:144 Considering replacing ESRI]

[Glynn Clements]

Soil & Water Lab. wrote:

> > > Or better yet, write a Python interface to the C API so
> > > that I could read and write to the rasters directly from Python!
> >
> > If you want to get the raw cell values without using C, you can read
> > the output from "r.stats -1 ...".
> 
> Quite interesting.
> And now, reverse question : is it possible to create a raster from stdin ? I 
> was having in mind to send the output of "r.stats -1", play with it, and send 
> it back to...to...to this mysterious command that may not even exist, without 
> having to write any file on the hard disk. Of course, you have guessed that I 
> do not speak C.

r.in.ascii and r.in.{pbm,pgm,ppm} all accept text (non-binary) input.

-- 
Glynn Clements <glynn.clements at virgin.net>