"rotating" raster maps

[Allan Axon]

GRASS users,

I am importing some ascii files as rasters which need to be transformed
so that the rows become columns and columns become rows.  I have examined
m.rot90 but this seems to work only with generic ascii files and not
GRASS raster maps.

Does anyone have experience with a similar situation.  I am using GRASS 4.0.
The ascii files are output from Radians CPS-3 software, and are surface sets
exported to ascii files.  I would be interested to know of others who are
using Radians or similar software in conjunction with GRASS.

Thanks,
Allan Axon

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