[GRASSLIST:137] Re: Considering replacing ESRI

[Morten Hulden]

On Thu, 22 May 2003, David Finlayson wrote:

> I don't think that grass can rotate rasters (ESRI can).
> 
> I tried to get around this a few months ago by writing a Python script 
> that did the work. Unfortunately, it isn't very efficient and can take 
> 20 mins or so to rotate large grids. If you are interested I can send 
> you the script.

Consider that after rotation the projection would no longer be what it 
was. So the new raster would have to be stored in a new (XY) location.

Why not simply export tif/png, rotate with Gimp or other external image 
handler, reimport into XY-location?