[mapguide-internals] MapGuide RFC 14 - CartographicStylizationEngine (maybe this time I'll get it right)

Robert Bray rbray at robertbray.net
Sun Feb 4 17:28:02 EST 2007


Carsten,

I read your choice (1) as storing it with the SimpleSymbolDefinition 
using Get/SetResourceData. I think Paul is referring to storing the 
images in our existing SymbolLibrary resource, which stores a collection 
of DWF symbols in a single resource.

Bob

Carsten Hess wrote:
> Paul,
>  
> that is the same as my choice 1) think. We could do that. Like I said though we have to figure out to have multiple raster in there and how to refer to them as resource id.
>  
> Cheers,
>   Carsten
> 
> 	-----Original Message----- 
> 	From: mapguide-internals-bounces at lists.osgeo.org on behalf of Paul Spencer (External) 
> 	Sent: Sun 2/4/2007 5:03 PM 
> 	To: MapGuide Internals Mail List 
> 	Cc: 
> 	Subject: Re: [mapguide-internals] MapGuide RFC 14 - CartographicStylizationEngine (maybe this time I'll get it right)
> 	
> 	
> 
> 	Carsten, 
> 
> 	Why can you not reference it inside the existing SymbolLibrary object  
> 	in the repository?  This mechanism is already used for point symbols  
> 	and seems to fit semantically for this purpose too.  I believe there  
> 	is already a way to do this using MarkSymbolType or something like  
> 	that (I'm not looking at the schema for layer definition so I may  
> 	have that wrong) 
> 
> 	Cheers 
> 
> 	Paul 
> 
> 	On 4-Feb-07, at 3:23 PM, Carsten Hess wrote: 
> 
> 	> Hi Paul, 
> 	> 
> 	> I think we have four choices for binary raster data: 
> 	> 
> 	> 1) We could attach it to the symbol resource as binary data  
> 	> (resource data) 
> 	> 2) We could make it its own resource 
> 	> 3) We could put it  somewhere on the file system 
> 	> 4) We could embedd it in the XML as base64 encoded stream 
> 	> 
> 	> Currently you find 3) only because of our prototype, we actually  
> 	> don't want to propose that. We played with some of the XML and use  
> 	> it to refer to raster via the file system. That is easier to debug  
> 	> then in the resource repository. 
> 	> 
> 	> The schema refers to 2) and 4) I think as a possiblity ... I  
> 	> personally also like 1) but then we would have to figure out how to  
> 	> refer to it and how to put multipl raster in there. 
> 	> 
> 	> Cheers 
> 	>   Carsten 
> 	> 
> 	>       -----Original Message----- 
> 	>       From: mapguide-internals-bounces at lists.osgeo.org on behalf of Paul  
> 	> Spencer (External) 
> 	>       Sent: Sun 2/4/2007 12:22 PM 
> 	>       To: MapGuide Internals Mail List 
> 	>       Cc: 
> 	>       Subject: Re: [mapguide-internals] MapGuide RFC 14 - Cartographic  
> 	> StylizationEngine (maybe this time I'll get it right) 
> 	>       
> 	>       
> 	> 
> 	>       I notice that the first example references an image in the Library:// 
> 	>       but the documentation in the proposed schema say its a reference to 
> 	>       an external image. 
> 	> 
> 	>       Is the intention to actually reference images on the server in an 
> 	>       external location on the file system, external via http, or actually 
> 	>       to allow putting images into the repository? 
> 	> 
> 	>       I like the idea of being able to put images such as PNGs into the 
> 	>       repository and referencing them there - but there is no concept of 
> 	>       this in the proposed schema. 
> 	> 
> 	>       I guess, thinking about this, it would be best to reference an image 
> 	>       inside a SymbolLibrary.  What would be the implications of this to 
> 	>       your proposal? 
> 	> 
> 	>       Cheers 
> 	> 
> 	>       Paul 
> 	> 
> 	>       On 2-Feb-07, at 4:29 PM, Robert Bray wrote: 
> 	> 
> 	>       > THIS TIME SENT AS VERY PLAIN TEXT with FIXED LINK - SORRY FOR THE 
> 	>       > SPAN ALL 
> 	>       > 
> 	>       > All, 
> 	>       > 
> 	>       > We would like to submit the following RFC for open discussion and 
> 	>       > comments: 
> 	>       > 
> 	>       > http://www.osgeo.org/trac/mapguide/wiki/MapGuideRfc14 
> 	>       > 
> 	>       > - Note this RFC is living on our new Trac based Wiki. The other 
> 	>       > RFCs will be moving to this location shortly. 
> 	>       > 
> 	>       > Please respond to the list with any feedback and we will be happy 
> 	>       > to respond. 
> 	>       > 
> 	>       > Thanks,   Walt, Traian, Carsten, Jason (and others like Bob the 
> 	>       > admin assistant) 
> 	>       > _______________________________________________ 
> 	>       > mapguide-internals mailing list 
> 	>       > mapguide-internals at lists.osgeo.org 
> 	>       > http://lists.osgeo.org/mailman/listinfo/mapguide-internals 
> 	> 
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> 	>       |Paul Spencer                          pspencer at dmsolutions.ca    | 
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> 	>       |Chief Technology Officer                                         | 
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> 	|Paul Spencer                          pspencer at dmsolutions.ca    | 
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> 	|Chief Technology Officer                                         | 
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