[Xastir-Dev] Making geo maps fit the world.

[Jerry Chamberlin]

PROJECTION=TM brought it fairly good in line.

Thanks

On Mon, 29 Sep 2003, Gerry Creager wrote:

> Couple of thoughts.
> 1.  Looks like the projection is probably Lambert Conformal Conic with a 
> central meridian of -98.5 or so.  We don't do well with reprojection at 
> this point (bring on GDAL!) so that's gonna be a bit of a problem.
> 2.  The refresh interval on this forecast is probably more like hours, 
> than 10 minutes.  You can conserve some bandwidth by geting it every 
> hour or 2...  Radar refreshes at a 6 minute rate.
> 
> Reprojection is a problem for you here.  Until we either take full 
> advantage of proj4 or migrate, we won't be able to account for all the 
> strange and wonderful ways people have developed for drawing curved 
> shapes on flat paper or monitors.
> 
> And on that note, I've been slamming my head against proj4 in mapserver, 
> and decided that while I may know something about reprojection, it's 
> certainly NOT in the context of THAT code.
> 
> 73, gerry
> 
> Jerry Chamberlin wrote:
> > I have:
> > 
> > #IWIN NOAA COMPOSITE
> > URL     http://iwin.nws.noaa.gov/iwin/images/92f.gif
> > #                       X               Y       Long    Lat
> > TIEPOINT             0          0          -129.00000   53.00000
> > TIEPOINT             1023         767       -67.00000   20.00000
> > IMAGESIZE 1024 768
> > REFRESH 600
> > TRANSPARENT #ffff
> > 
> > Been playing to make fit.
> > How does one adjust for the curve of the eath.
> > Is there a tag or formula ?
> > THe weather alerts show up nice on top this NOAA Composite. 
> > 
> > The Net Lab year 2000 and beyond Internet Education is Science
> > http://www.netlab.org
> > WA0JRJ - Jerry
> > used to be ICQ 6408731
> > used to be AIM PappyJerry
> > 
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> 

The Net Lab year 2000 and beyond Internet Education is Science
http://www.netlab.org
WA0JRJ - Jerry
used to be ICQ 6408731
used to be AIM PappyJerry