[Proj] rHEALPix new parameters
Michael Speth
spethm at landcareresearch.co.nz
Sun Oct 16 17:38:08 PDT 2011
Thanks for looking into this. Here is a link to the source. Note, I
have combined the healpix and rhealpix (still have more to implement on
rhealpix). The spole and npole parameters used can be found on lines
471, 472, 493, and 494.
http://code.scenzgrid.org/index.php/p/scenzgrid-proj4/source/tree/master/src/PJ_healpix.c
Thanks
On 17/10/11 11:55, Frank Warmerdam wrote:
> 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?
>
> Michael,
>
> 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,
--
Michael Speth
Scientific Programmer
Landcare Research
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/proj/attachments/20111017/0a8d8372/attachment.html>
More information about the Proj
mailing list