[mapguide-users] Coordinate system

[Kneo]

Thanks a lot. 
For the information of others browsing this thread: If the coordinate system
of the digitized layer and the map does not match, the zoom on selection
does not work on the DWF viewer at least (not sure about Ajax though)


Kenneth, GEOGRAF A/S wrote:
> 
> Kneo wrote:
>> What is the significance of the following string in the digitizing
>> examples,
>>
>> const LL84WKT = 'GEOGCS["LL84",DATUM["WGS_1984",SPHEROID["WGS
>> 84",6378137,298.25722293287],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["Degrees",1]]';
>>
>>
>> Where do we find such strings for other coordinate systems ? 
>>
>> Kneo
>>   
> 
> 
> That is a WKT (Well-known-text) representation of a coordinate system.
> To get the WKT used by MapGuide try this:
> 
> Create a Map (using Studio or WebStudio), and save it.
> Browse to http://localhost:8008/mapguide/mapagent/index.html
> On the right, click "Resources" (top half)
> On the right, click "Get Resource Content" (bottom half)
> Now type in the map location on the left side, eg: 
> Library://MyNewMap.MapDefinition
> Click the "Submit" button, also on the left.
> Enter the mapguide username/password, if prompted.
> On the left side, you should now see the internal representation of the
> Map.
> Inside the <CoordinateSystem> and </CoordinateSystem> delimiters, you 
> will find the MapGuide WKT representation of the Map Coordinate System.
> 
> If you have access to MapGuide Studio, you can also use the "Save As 
> Xml..." menu, to get the same file.
> 
> Regards, Kenneth GEOGRAF A/S
> 
> 
> 
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> 
> 

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