morphToESRI() for Oblique_Stereographic

[warmerdam]

Frank,

I made a change to convert PROJECTION "Oblique_Stereographic" to "Stereographic_South_Pole" (or "Stereographic_North_Pole"). Could you review and see if it's ok?

Thanks, Gao Peng

906c906
<         && EQUAL(pszProjection,SRS_PT_POLAR_STEREOGRAPHIC) )
---
>         && ( EQUAL(pszProjection,SRS_PT_POLAR_STEREOGRAPHIC) || EQUAL(pszProjection,SRS_PT_OBLIQUE_STEREOGRAPHIC) ))

[warmerdam]

Patch applied in trunk (r13336) and 1.4-esri (r13335) branches.

[warmerdam]

Gao Peng writes:

I changed to map "Oblique_Stereographic" to "Stereographic", attached.

PROJCS["North_Pole_Stereographic",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_198
4",SPHEROID["WGS_1984",6378137,298.2572235630016]],PRIMEM["Greenwich",0]
,UNIT["Degree",0.017453292519943295]],PROJECTION["Stereographic"],PARAME
TER["latitude_of_origin",90],PARAMETER["central_meridian",0],PARAMETER["
scale_factor",1],PARAMETER["false_easting",0],PARAMETER["false_northing"
,0],UNIT["Meter",1]]

> > -----Original Message-----
> > From: Melita Kennedy 
> > Subject: Re: FW: Invalid PE string
> > 
> > Hi Frank,
> > 
> > I suggested "Stereographic", because we lose the scale factor 
> > parameter if we map Oblique_Stereographic to Stereo NP/SP. 
> > Maybe if scale <> 1, use "Stereographic"?  

[Even Rouault]

For the record, "OBLIQUE_STEREOGRAPHIC maps to ESRI Stereographic" introduced in r15992. Closing