rotating raster maps

[Jocelyn Aycrigg]

> 
> If anyone could help... I have many air photos that were scanned in as tif 
> files that were imported into GRASS as raster files. The problem is that 
> the north end of the photos were not orientated to the top of the map or 
> in this case, the top of the screen. The plan is to geo-reference these 
> images to UTM coords and to rectify the images. I have not been able to 
> find a program within GRASS that would allow me to rotate these images. 
> Does such a program exist? Or do the photos need to be scanned in with 
> north orientated to the top of the screen?
> 
> Any comments would be appreciated. Thanks. 
> 
>   **********************************************************
>   * My Address					           *
>   *						           *
>   * DAVE BARNES						   *
>   * Geology Dept.					   *
>   * Western Michigan University				   *
>   * Kalamazoo, MI 49008					   *
>   *							   *
>   * email address					   *
>   *							   *
>   * barnesd at lab.cc.wmich.edu				   *
>   ********************************************************** 
>Try using m.rot90.  I think it might do the trick for you.

Jocelyn Aycrigg



Environmental Division
Fort Drum, New York
aycrigg%osiris.cso.uiuc.edu
 
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