[Proj] Mollweide projection: coordinate wrapping ?
Raspaud Martin
martin.raspaud at smhi.se
Wed Jan 19 02:41:48 PST 2011
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Hi all,
I just noticed that coordinates are wrapped when using proj to compute
lon/lats from projection coordinates for the mollweide projection (I
have not checked with other projections though):
[a001673 at nrlx052 ~]$ proj +proj=moll +lon_0=0 +ellps=WGS84
180 0
18040095.70 0.00
180 45
14538644.71 5340244.91
180 90
0.00 9020047.85
[a001673 at nrlx052 ~]$ invproj +proj=moll +lon_0=0 +ellps=WGS84
15000000 5340244.91
174d17'16.995"W 45dN
when running invproj here, the x y value is outside the "main globe"
picture. The mathematical formula allows for this, but I was wondering
if there was a way to return * * instead when we go out from the "main
globe" ?
Thanks,
Martin
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