[GRASS-user] Rotating raster maps

[Rich Shepard]

On Wed, 18 Jul 2018, Daniel Victoria wrote:

> Some satellite images comes rotated, with black borders. But if we rotate
> them prior to patching, we mess up the georeferencing. The process then is
> setting those borders to null and then patching.

> If this is your case, then I'd try running `r.null` to set those borders as
> no-data and then use `r.patch`.

> But again, not sure if this is your case

Daniel,

   Worth a try.

Thanks,

Rich