[Proj] rHEALPix new parameters

[Michael Speth]

Hello.  I updated the source to use the trunk.  Here are the updated 
changes.

http://code.scenzgrid.org/index.php/p/scenzgrid-proj4/source/tree/master/src/PJ_healpix.c

Thank you for looking over the source!

On 17/10/11 14:14, Frank Warmerdam wrote:
> Michael,
>
> I see you have not been working against PROJ trunk.  PROJ trunk
> has moved to using a "context" structure for thread safety reasons in
> many calls and you are clearly not yet caught up to that.  I'm not really
> inclined to make a lot of changes to just get things working against
> trunk.  If you can update to trunk I'll take another look.
>
> Best regards,
>
>
> On Sun, Oct 16, 2011 at 5:38 PM, Michael Speth
> <spethm at landcareresearch.co.nz>  wrote:
>> 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
>>
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>> Proj at lists.maptools.org
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>>
>
>


-- 
Michael Speth
Scientific Programmer
Landcare Research

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