[mapguide-users] Cartographicsymbolsproblems

[Traian Stanev]

Yes it would help to get the underlying SymbolDef xml. Sometimes it is possible to massage those to work around some of the bugs. This is particularly true in the case of line styles.
 
Traian
 

	-----Original Message----- 
	From: mapguide-users-bounces at lists.osgeo.org on behalf of Jason Birch 
	Sent: Tue 9/4/2007 1:25 PM 
	To: MapGuide Users Mail List 
	Cc: 
	Subject: RE: [mapguide-users] Cartographicsymbolsproblems
	
	

	Hi Stefan,
	
	See below response from Walt (developer / style guru)
	
	For numbers 1 and 2, if you could put together reproducible test cases
	and submit as bugs, that would be great.  This process is documented
	here:
	
	http://trac.osgeo.org/mapguide/wiki/SubmitTicket
	
	Jason
	
	-----Original Message-----
	From: Walt Welton-Lair
	Subject: RE: [mapguide-internals] FW: [mapguide-users]
	Cartographicsymbolsproblems
	
	Well, line styles with the new symbolization are not yet officially
	supported (i.e. there are bugs)  You're right though - nice to see
	someone looking at this.
	
	1 & 2 most likely bugs
	
	3. All properties, including line thickness, are in millimeters.  You
	won't see much difference between 0.12mm and 0.25mm - both probably one
	pixel.
	
	4. This gives you a circle (using two arcs):
	        <Geometry>M -1,0 A 1,1 0 1 1 1,0 A 1,1 0 1 1 -1,0</Geometry>
	    Here's what the parameters mean:
	        - move to (-1,0)
	        - arc to #1 (lower half of circle)
	            x/y radii (1,1)
	            x-axis rotation in degrees (0)
	            use a large arc sweep (1)
	            draw clockwise (1)
	            end point (1,0)
	        - arc to #2 (lower half of circle)
	            ...
	
	5. This will eventually be supported
	
	
	Walt
	
	-----Original Message-----
	From: Jason Birch
	Sent: Tuesday, September 04, 2007 6:03 PM
	To: MapGuide Internals Mail List
	Subject: [mapguide-internals] FW: [mapguide-users] Cartographic
	symbolsproblems
	
	
	Any of you have any insight into this one?  Cool to see someone trying
	to use the new symbol stuff...
	
	-----Original Message-----
	From: Stefan Dalakov
	Subject: [mapguide-users] Cartographic symbols problems
	
	Hi all,
	
	I have some problems with complex line styles. If anyone can help with
	information, a workaround or at least with information if this is a
	known problem.
	
	1. When placing symbols along a line there are problems in displaying
	them. See attached screenshots.
	2. When selecting a feature with such styling only symbols are marked as
	selected, not the main line. I tried changing the order in the
	definition, but this does not help.
	3. Line thickness on screen changes incorrectly. If there are 2 lines
	with width 0.12 and 0.25, they are displayed with same thickness, next
	visibly different line is with 1.25 and is very thick.
	4. How to draw a circle - I could not find a document with description
	of parameters  of A (arc to)  option ?
	5. Is there a way to place symbols only at vertices of a line - I need a
	simple, solid line with a circle at every vertex?
	
	Thank you in advance
	Stefan Dalakov
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