Client side coordinate transformation library - Call to developers/testers
Aaron Koning
aaronkoning at gmail.com
Tue Jul 25 01:47:14 EDT 2006
Hello All,
A while ago I created a client side coordinate transformation library called
GCTP-JS (Open Source, GPL licence). More accurately, I ported files directly
from the General Cartographic Transformation System (GCTP) C-code to
JavaScript.
http://datashare.gis.unbc.ca/gctp-js/
Simple example application:
http://datashare.gis.unbc.ca/gctp-js/examples.php
Implemented easily and successfully in the Flexible Internet Spatial
Template (FIST) web mapping application:
http://fist-mapping.org
Currently the 'port' is not complete (UTM, Albers, and Lambert projection
files have been ported). What I would like to see is a complete port of the
GCTP to JavaScript. Porting each projection file takes a few hours to a few
days depending on experience level (pretty quick I think). Then the
projection file must be tested, which is best done by someone who uses that
particular projection often.
The best reasons to get involved are:
- porting and testing can be done file by file;
- porting a file doesn't take very long;
- only work on the projections you want or the whole library;
- very little planning is needed since it is a straightforward porting
exercise;
- there is a definite and achievable end goal!
Therefore, I would like all interested parties to contact me at the address
below and start porting and testing projection files as soon as possible. I
am eager to get going and help make this a success!
aaronkoning at gmail.com
The GCTP C-code can be downloaded at:
http://edcftp.cr.usgs.gov/pub//software/gctpc/gctpc_src.tar
Thank you for your time,
Aaron
+--------------------------------------------
| Aaron Koning
| Information Technologist
| Prince George, BC, Canada.
+--------------------------------------------
| http://datashare.gis.unbc.ca/fist/
| http://datashare.gis.unbc.ca/gctp-js/
+--------------------------------------------
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