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<p class=MsoNormal><span style='color:#1F497D'>That is a good question.
Depending on whether the labels are from points, lines or polygons plays a part
in the performance as point labels have more things to consider than other
labels if I understand the logic correctly. In your case it's polygon labels
which are relatively simple. I would only convert the primary offending layer
if you can get away with it. I would suspect symbols would require more
processing, but by what factor I don't know, but considering the symbols are
rendered before the labels, they don't have to consider all the placement
issues that labels do so depending on the type of label it may be just as fast.
The problem with converting all the layers might be issues with things
rendering on top just like you do now unless you specify otherwise and I don't
think the symbols have all the avoidance/placement logic labels do so things
might get crowded looking where labels would be selectively drawn.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Maybe Walt will provide some
insight here.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Dave<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> mapguide-users-bounces@lists.osgeo.org
[mailto:mapguide-users-bounces@lists.osgeo.org] <b>On Behalf Of </b>Martin
Morrison<br>
<b>Sent:</b> Friday, March 26, 2010 1:26 PM<br>
<b>To:</b> MapGuide Users Mail List<br>
<b>Subject:</b> [mapguide-users] RE: Rendering Pass<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:#1F497D'>Then that begs the
question...which is faster labels as symbols or plain labels? I would
think that plain labels would be faster. Or does it matter? I would
hate to convert my layers over to symbols to find the processing time has increased
by 50%...<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Martin<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
mapguide-users-bounces@lists.osgeo.org
[mailto:mapguide-users-bounces@lists.osgeo.org] <b>On Behalf Of </b>Dave Wilson<br>
<b>Sent:</b> Friday, March 26, 2010 3:20 PM<br>
<b>To:</b> MapGuide Users Mail List<br>
<b>Subject:</b> [mapguide-users] RE: Rendering Pass<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:#1F497D'>Labels have a higher draw
priority than symbols if I understand things correctly.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>I think the simple solution is
to render the label for the grid layer as a symbol as well and then your draw
order will be preserved if the road layer is on top.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Dave<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> mapguide-users-bounces@lists.osgeo.org
[mailto:mapguide-users-bounces@lists.osgeo.org] <b>On Behalf Of </b>Martin
Morrison<br>
<b>Sent:</b> Friday, March 26, 2010 1:06 PM<br>
<b>To:</b> MapGuide Users Mail List<br>
<b>Subject:</b> [mapguide-users] Rendering Pass<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I have an issue with labels drawing on top of symbols.
In the attached JPG ( also at http://craig.gis.edsi.com/rendering_error.jpg),
the road symbol (617) should be drawn on top of the map label (015). I
have my road layer set above the map border layer in Studio, verified it in
Maestro via XML.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>******XML snippet********<o:p></o:p></p>
<p class=MsoNormal><MapLayer><o:p></o:p></p>
<p class=MsoNormal> <Name>Primary Roads</Name><o:p></o:p></p>
<p class=MsoNormal>
<ResourceId>Library://Craig_CO/Layers/Primary_Roads.LayerDefinition</ResourceId><o:p></o:p></p>
<p class=MsoNormal> <Selectable>true</Selectable><o:p></o:p></p>
<p class=MsoNormal>
<ShowInLegend>true</ShowInLegend><o:p></o:p></p>
<p class=MsoNormal> <LegendLabel>Primary Roads</LegendLabel><o:p></o:p></p>
<p class=MsoNormal>
<ExpandInLegend>true</ExpandInLegend><o:p></o:p></p>
<p class=MsoNormal> <Visible>true</Visible><o:p></o:p></p>
<p class=MsoNormal> <Group>Transportation</Group><o:p></o:p></p>
<p class=MsoNormal> </MapLayer><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><extra layers deleted><o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal> <MapLayer><o:p></o:p></p>
<p class=MsoNormal> <Name>Map Borders</Name><o:p></o:p></p>
<p class=MsoNormal> <ResourceId>Library://Craig_CO/Layers/Map_Borders.LayerDefinition</ResourceId><o:p></o:p></p>
<p class=MsoNormal> <Selectable>true</Selectable><o:p></o:p></p>
<p class=MsoNormal>
<ShowInLegend>true</ShowInLegend><o:p></o:p></p>
<p class=MsoNormal> <LegendLabel>Map
Borders</LegendLabel><o:p></o:p></p>
<p class=MsoNormal>
<ExpandInLegend>true</ExpandInLegend><o:p></o:p></p>
<p class=MsoNormal> <Visible>true</Visible><o:p></o:p></p>
<p class=MsoNormal> <Group>Boundaries</Group><o:p></o:p></p>
<p class=MsoNormal> </MapLayer><o:p></o:p></p>
<p class=MsoNormal>***********************<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I looked at RFC 29 via this link:<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>http://trac.osgeo.org/mapguide/wiki/MapGuideRfc29<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>The initial value was set to 2.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>**********CODE snippet**********<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>
</SimpleSymbolDefinition><o:p></o:p></p>
<p class=MsoNormal>
<RenderingPass>2</RenderingPass><o:p></o:p></p>
<p class=MsoNormal> </SimpleSymbol><o:p></o:p></p>
<p class=MsoNormal></CompoundSymbolDefinition><o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>*******************************<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Setting this to 0 of course sends it behind the line drawn
(expected behavior). Setting it to a higher number (went as high as 20)
seems to have no effect.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>So is this a bug that rendering pass does not work
correctly? Or am I missing something? If so, what is the proper
usage in this situation?<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Thanks<o:p></o:p></p>
<p class=MsoNormal><span style='color:#1F497D'>Martin Morrison<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Application Engineer<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Engineering Design Systems, Inc.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>3780 Peters Creek Rd Ext SW<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Roanoke, VA 24018<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>540-345-1410<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>gis.edsi.com<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
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