[GRASSLIST:136] Re: Considering replacing ESRI
David Finlayson
dfinlays at u.washington.edu
Thu May 22 11:40:40 EDT 2003
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.
David Finlayson
David Strauch wrote:
> On Wednesday, May 21, 2003, at 04:12 AM, Alexander Pucher wrote:
>
>> I still ask myself, what can ArcInfo do for me that GRASS can't...?
>
>
> Okay, how about orienting maps to other than true north (which I think
> is called "false northing")?
>
> I had limited experience with ArcInfo etc 10 years ago, but I remember
> that I could reorient maps, which was very useful. I'm currently
> looking at a mountain range which trends NW-SE, and if I could orient
> my work that way I believe it would be both easier to look at and
> faster to work on, as there wouldn't be any processing time devoted to
> areas outside my area of interest (i.e. the SW and NE corners of my
> current region).
>
> I'm still a newbie to GRASS and have been hoping I would come across a
> way to do this, but lately I have begun to suspect that, as it
> appears, GRASS lacks this capacity. Can someone prove me wrong?
>
> yrs,
> David
>
More information about the grass-user
mailing list