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   r.out.ascii converts a user-specified raster map layer (input=name)
   into an ASCII grid in a text file (output=name) suitable for export to
   other computer systems.

   The GRASS program [1]r.in.ascii can be used to perform the reverse
   function, converting an ASCII file in suitable format to GRASS raster
   map format.

   To write a SURFER .grd ASCII GRID file (with reverted row order and
   different header) use the -s flag:

r.out.ascii -s input=inname output=outname.grd [dp=value]

   NULL data are coded to "1.70141e+038" for SURFER ASCII GRID files
   (ignoring the null= parameter).

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   The output from r.out.ascii may be placed into a file by using the UNIX
   redirection mechanism; e.g.:

r.out.ascii input=soils output=- > out.file

   The output file out.file can then be printed or copied onto a CDROM or
   floppy disk for export purposes.

   To export the raster values as x,y,z values of cell centers (one per
   line) use the [2]r.out.xyz module.

СÐ. ТÐÐÐÐ

   [3]r.in.ascii, [4]r.in.arc, [5]r.out.bin, [6]r.out.gdal, [7]r.out.xyz

ÐÐТÐÐ

   Michael Shapiro, U.S. Army Construction Engineering Research Laboratory

   Surfer support by Markus Neteler

   Last changed: $Date: 2006-12-13 08:21:43 -0600 (СÑ, 13 дек 2006) $

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References

   1. file://localhost/root/tmp/2/fin/r.in.ascii.html
   2. file://localhost/root/tmp/2/fin/r.out.xyz.html
   3. file://localhost/root/tmp/2/fin/r.in.ascii.html
   4. file://localhost/root/tmp/2/fin/r.in.arc.html
   5. file://localhost/root/tmp/2/fin/r.out.bin.html
   6. file://localhost/root/tmp/2/fin/r.out.gdal.html
   7. file://localhost/root/tmp/2/fin/r.out.xyz.html