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| Re: Conversions among datums and geographic coordinates [message #17697 is a reply to message #17691] |
Tue, 09 November 1999 00:00  |
Bernard Puc
Messages: 65
Registered: January 1998
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Member |
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We have compiled a set of C routines as shared libraries which can be
called from within IDL to do all those conversions. USGS has a package
called PROJ.4 which is cartographic projection software which can be
downloaded from their website at
http://kai.er.usgs.gov/ftp/PROJ.4/proj.html. Send me an email if you'd
like more information on our implementation.
Joe Means wrote:
>
> I would like to fine a routine or group of routines to convert among
> datums [NAD27, NAD83], and projection systems [e.g., state plane, UTM]
> and coordinates systems [lat-long, cartesian] that can be called from
> within IDL I have been looking for this for a while with limited
> success. Any one have ideas?
> Joe Means
--
Bernard Puc AETC, INC.
bpuc@va.aetc.com 1225 Jefferson Davis Highway #800
(703) 413-0500 Arlington, VA 22202
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| Re: Conversions among datums and geographic coordinates [message #17700 is a reply to message #17691] |
Tue, 09 November 1999 00:00 |
Ben Tupper
Messages: 186
Registered: August 1999
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Senior Member |
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<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
<html>
Joe Means wrote:
<blockquote TYPE=CITE>I would like to fine a routine or group of routines
to convert among
<br>datums [NAD27, NAD83], and projection systems [e.g., state plane, UTM]
<br>and coordinates systems [lat-long, cartesian] that can be called from
<br>within IDL I have been looking for this for a while with limited
<br>success. Any one have ideas?
<br>Joe Means</blockquote>
Howdy,
<p>I have some code to transform from Lat/Lon to UTM in meters for
NAD27 and NAD83 (actually WGS84). It resides on a different machine
so send it to you ASAP.
<br>
<pre>--
Ben Tupper
Bigelow Laboratory for Ocean Science
tupper@seadas.bigelow.org
Pemaquid River Company
pemaquidriver@tidewater.net</pre>
</html>
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