[mapguide-users] How to get symbol out of library

[Gunter Becker]

Hi Jackie,

I've realized that the symbols are in a n-sheet dwf and because of the
dwf-format I wonder what's the best way for a MapGuide OpenSource user to
get symbols in a SymbolLibrary without MapGuide Studio from Autodesk. Is
there any way to do it?

To get the Symbol for my Html-PrintLayout I find out that I can work with
the MappingService (only for dfw). With the 'GenerateLegendImage'-method I'm
able to generate images for a specific LayerDefinition. But therefor I have
to load a Point-FeatureSource first and create a layer with a point style
that coresspond with the symbol I want to display in my PrintLayout.
Obviously it's not a very user-friendly way to go and there are some
limitations on this methode (no stretching). I don't know if this is really
the solution for my application.

I also had a short look at the DWF Toolkit but did not see any method to
save images back to disk. So I think only import of new symbols is allowed.
Maybe I'm wrong.

Every propsal is welcome.

Gunter



Jackie Ng wrote:
> 
> Hi Gunter,
> 
> The data in a SymbolLibrary resource is a n-sheet dwf (where n is the
> number of symbols in it). You'll need to figure out how to extract images
> from sheets from a dwf (Probably through the Autodesk DWF Toolkit)
> 
> This may provide more information:
> 
> http://www.nabble.com/Print-Layout-and-Resources-tf3305144s16610.html#a9194021
> 
> Regards,
> 
> - Jackie
> 
> 
> Gunter Becker wrote:
>> 
>> Hi,
>> 
>> I want to get a symbol out of the SymbolLibrary but I can't find any
>> method to do this. I want to save it as a gif- or png-file to make a
>> custom PrintLayout for use with Ajax-Viewer. Or is there maybe  a method
>> to do this with the WebTierApi?
>> 
>> Thanks in advance,
>> 
>> Gunter
>> 
> 
> 

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