Plate Carre with latitude shift

Frank Warmerdam warmerdam at POBOX.COM
Wed Jan 16 12:01:21 EST 2008


Ed McNierney wrote:
> Frank -
> 
> My comment to Espen, "The lat_ts parameter is the latitude of true scale, and causes that latitude to be drawn at true scale, reducing distortion at that latitude", seems in conflict with your comment "Are you hoping to get one projected meter being one meter on the ground
> at 60N as opposed to it being one meter at the equator as is the default?  I'm not aware of proj=eqc supporting any such option."
> 
> It sounds like I am misunderstanding what lat_ts does.  If it doesn't do what I thought (cause 60N to be the latitude of true scale, where one meter in map units equals one meter on the ground), what does it do?

Ed,

I stand corrected.  Lat_ts is indeed a supported parameter for eqc.  I had
just never used it and didn't realize it was supported for that projection.

I'll just shut up now. :-)

Best regards,
-- 
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
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