Mapserver & GMap75 Projection and units origin issue
atulai
atulai at ENGMAIL.UWATERLOO.CA
Mon Oct 22 08:29:45 PDT 2007
I've been trying to get this to work properly for a few weeks now. I'm trying
to get GMap 75 to project using this projection:
PROJECTION
"proj=lcc"
"lat_1=50"
"lat_2=70"
"lat_0=40"
"lon_0=-96"
"x_0=0"
"y_0=0"
"ellps=GRS80"
"datum=NAD83"
"units=m"
"no_defs"
END
and to display coordinates in latlon. From what I can see it's working
allright now. I also have a set of data that uses the projection above. The
problem is, Gmap's origin is just below Canada, which causes all of my data
to be located far to the north-west away from Canada which is incorrect. Is
there any way I can somehow force the origin to be located where it's
actually supposed to be (latlon (0,0))?
Changing
"lat_0=40"
"lon_0=-96"
to
"lat_0=0"
"lon_0=0"
doesn't seem to do anything.
Is this possible or is it just a Gmap restriction?
Any help or guidance is much appreciated.
Thanks!
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