[mapguide-internals] Style help

[Walt Welton-Lair]

Yes, upper case is absolute, while lower case is relative.  After changing the H's to lower case the gray segments display.

You might also want to try 'OverlapWrap' for the VertexControl.  With 'OverlapNone' no symbol will be drawn if it overlaps a vertex - you end up with gaps.  You most likely want to wrap symbols around vertices.

I have a nice document with diagrams which explains the LineUsage behavior.  I think it should be posted somewhere on MapGuide OSGeo - not sure of the best place though.  For now I'll attach it to RFC 14 - https://trac.osgeo.org/mapguide/attachment/wiki/MapGuideRfc14/LineUsage.doc.

Walt

-----Original Message-----
From: mapguide-internals-bounces at lists.osgeo.org [mailto:mapguide-internals-bounces at lists.osgeo.org] On Behalf Of Traian Stanev
Sent: Tuesday, December 01, 2009 3:08 PM
To: MapGuide Internals Mail List
Subject: RE: [mapguide-internals] Style help

I don't remember this too well, but perhaps the H is absolute here:

Geometry>M 4.0,0.0 H 4.0</Geometry>

So you get a 0 length segment. Try lower case 'h' , or "H 8.0".

Traian

-----Original Message-----
From: mapguide-internals-bounces at lists.osgeo.org [mailto:mapguide-internals-bounces at lists.osgeo.org] On Behalf Of Jason Birch
Sent: Tuesday, December 01, 2009 3:06 PM
To: MapGuide Internals Mail List
Subject: [mapguide-internals] Style help

Anyone tell what I'm doing wrong here?  I'm trying to get a simple
alternating grey/black line, but am only seeing the black segment:

<?xml version="1.0" encoding="UTF-8"?>
<SimpleSymbolDefinition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xsi:noNamespaceSchemaLocation="SymbolDefinition-1.0.0.xsd" version="1.0.0">
  <Name>Crosswalk</Name>
  <Graphics>
    <Path>
      <Geometry>M 0.0,0.0 H 4.0</Geometry>
      <LineColor>FF000000</LineColor>
      <LineWeight>2</LineWeight>
      <LineCap>'None'</LineCap>
      <LineJoin>'Miter'</LineJoin>
    </Path>
    <Path>
      <Geometry>M 4.0,0.0 H 4.0</Geometry>
      <LineColor>FF888888</LineColor>
      <LineWeight>2</LineWeight>
      <LineCap>'None'</LineCap>
      <LineJoin>'Miter'</LineJoin>
    </Path>
  </Graphics>
  <LineUsage>
    <VertexControl>'OverlapNone'</VertexControl>
    <StartOffset>0</StartOffset>
    <Repeat>8</Repeat>
  </LineUsage>
  <ParameterDefinition />
</SimpleSymbolDefinition>

Thanks,
Jason
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