1. I want the list of all datums and projections available
2. or just the list of the most common in Portugal (in Portuguese)
3. or the ones in Brazil (in Portuguese)
4. and about the ones in the US
5. or why not the ones in Australia
6. or the ones in France (in French)
7. (update: 2003-03-24) Gabriel Ortiz just made a client to this service for the spanish datum, its available at his site http://recursos.gabrielortiz.com/
8. send us a email if you want some other country listed

Just send the request to :

http://giserver.terradue.com/functions/geoconvert.asp

with the following paramenters

• RefIn - Tells in what reference system your data is (check list of codes)
• RefOut - Tells in what reference system you want your to be (check list of codes)
• Points - a succesion of points in X and Y order,
  something like points=4343.0+2324.0+12321+13232 (Note:decimal symbol is a point)
• DecNum - especifies the decimal numbers present (max:15)
• OutPut - specifies the output you want for your data possible values are
  1. HTML - meaning HTML table
  2. GML20 - a GML 2.0 file (XML)
  3. text - comma separeted simple text
  4. text_sp - space separeted simple text
  5. SHP - Shape File (ESRI/ArcView)

http://giserver.terradue.com/
functions/geoconvert.asp?
RefIn=EPSG:32629& EPSG code for WGS84 UTM 29 North (Portugal)
RefOut=EPSG:4326& EPSG code for WGS84 Lon/lat
points=72000+0+73000+1000+74000+2000+75000+3000&
output=SHP

Here are the codes for some of the units returned:

• 9001 meters
• 9102 degrees
• 9003 us survey feet
• 9105 grads

If you want to mirror these functions please let me know

Geographic Conversion code made by Nuno Grosso
web interface by Pedro Gonçalves