Custom Projection

[Abe Gillespie]

Hmm ... I'm having trouble locating this.  Can you offer any more help?

Thanks.
-Abe

On 2/12/07, Frank Warmerdam <warmerdam at pobox.com> wrote:
> Abe Gillespie wrote:
> > Hello all,
> >
> > Forgive my ignorance on the subject - is there a way to define a
> > custom projection such that it simply applies a rotation to the map?
> > For instance, instead of the map being oriented with the top as north,
> > I need to orient it in a "you are here" fashion.  I want to put the
> > entrance of a building at due south.
> >
> > First, in general, can this even be done?  What I mean to say is are
> > projections even used in this fashion?  Second, if it can be done, how
> > does one go about defining a custom projection?  Can you fire up
> > ArcGIS and use the GUI?  Are there command line tools?
>
> Abe,
>
> I'd advise against trying to accomplish this using projections, but if
> you look in the RFC list on the mapserver website you should find one
> that addresses rotated maps that you may find helpful.
>
> Best regards,
> --
> ---------------------------------------+--------------------------------------
> I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
> light and sound - activate the windows | http://pobox.com/~warmerdam
> and watch the world go round - Rush    | President OSGeo, http://osgeo.org
>
>