[Proj] rHEALPix new parameters

Frank Warmerdam warmerdam at pobox.com
Sun Oct 16 17:55:06 EST 2011

On Sun, Oct 16, 2011 at 3:27 PM, Michael Speth
<spethm at landcareresearch.co.nz> wrote:
> Thanks Frank!
> * New Parameters *
> For adding new parameters, what is the command line syntax?
> Example: proj -v +proj=rhealpix +lon_0=0 +a=1 +R_A +ellps=WGS84 npole=0
> spole=0 -E <<EOF 0 0 EOF
> This doesn't seem to work.  I've also tried using +npole=0 and +spole=0 and
> also doesn't work.  How do I fix this?


I'm not sure.  With the "+" prefix, they should be available for pj_params
calls.  If you provide your code I could investigate.

> * On Combining 2 Projections into 1 File
> Typically, there are 2 to 4 Functions FORWARD(s_forward),
> INVERSE(s_forward), and etc.  Would I need to create 8 of these functions (4
> for each projection)?

Yes, I imagine so.

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    | Geospatial Software Developer

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