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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Just to be clear, we are talking GM 2.x (in GM 1.x each source
could be only one layer).<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>For my two cents, I tried to put all layers into a single
mapfile and thus have one map-source, but generally don&#8217;t do this any
more because:<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><span
style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>The stack order of layers is set by the order of the layers in
the map-source (top layer on top, then goes down from there)<o:p></o:p></span></p>

<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><span
style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Opacity is set at the map-source level, thus all layers in a
map-source would have the same opacity<o:p></o:p></span></p>

<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><span
style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>The fade-in and fade-out tools work at the map-source level,
thus all layers would be changed when changing one in the catalog<o:p></o:p></span></p>

<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><span
style='mso-list:Ignore'>4.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Tend to get a redraw of all layers in the map-source when turning
one layer on/off<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I still combine &#8220;like&#8221; layers into one map-source
and one mapfile, but watch how the layers are going to be displayed.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Len<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

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<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"'> Mark Volz
[mailto:MarkVolz@co.lyon.mn.us] <br>
<b>Sent:</b> Thursday, February 18, 2010 8:46 AM<br>
<b>To:</b> geomoose-users@lists.sourceforge.net<br>
<b>Subject:</b> [Geomoose-users] Geomoose optimization... map source<o:p></o:p></span></p>

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<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>Hello,</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>I would like to try to move
all my layers into a single .map file so that only</span> <span
style='font-family:"Calibri","sans-serif"'>one map with many layers is drawn at
a time.&nbsp; Is the standard practice to:</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>1)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>
<span style='font-family:"Calibri","sans-serif"'>Create a single
&lt;map-source&gt; with</span> <span style='font-family:"Calibri","sans-serif"'>multiple
references in the catalog to that single map source.</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>2)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>
<span style='font-family:"Calibri","sans-serif"'>Create</span> <span
style='font-family:"Calibri","sans-serif"'>separate &lt;map-source&gt; tags
that each have their own reference</span> <span style='font-family:"Calibri","sans-serif"'>to
the same</span> <span style='font-family:"Calibri","sans-serif"'>.map file.</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>For example which example
between the two is a standard practice so only one map is drawn?</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;map-source
name=&quot;AllLayers&quot; type=&quot;mapserver&quot;&gt;</span><o:p></o:p></p>

<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style='font-family:"Calibri","sans-serif"'>&lt;file&gt;AllLayers.map&lt;/file&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;layer
name=&quot;layer1&quot;/&gt;</span><o:p></o:p></p>

<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style='font-family:"Calibri","sans-serif"'>&lt;layer
name=&quot;layer2&quot;/&gt;</span><o:p></o:p></p>

<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style='font-family:"Calibri","sans-serif"'>&lt;layer
name=&quot;layer3&quot;/&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;/map-source&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&#8230;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;catalog&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;layer
title=&quot;layer1&quot; src=&quot;AllLayers/layer1&quot;/&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;layer
title=&quot;layer2&quot; src=&quot;AllLayers/layer2&quot;/&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;layer
title=&quot;layer3&quot; src=&quot;AllLayers/layer3&quot;/&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;/catalog&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>OR</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;map-source
name=&quot;layer1&quot; type=&quot;mapserver&quot;&gt;</span><o:p></o:p></p>

<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style='font-family:"Calibri","sans-serif"'>&lt;file&gt;AllLayers.map&lt;/file&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;layer
name=&quot;layer1&quot;/&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;/map-source&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;map-source
name=&quot;layer2&quot; type=&quot;mapserver&quot;&gt;</span><o:p></o:p></p>

<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style='font-family:"Calibri","sans-serif"'>&lt;file&gt;AllLayers.map&lt;/file&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;layer
name=&quot;layer2&quot;/&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;/map-source&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;map-source
name=&quot;layer3&quot; type=&quot;mapserver&quot;&gt;</span><o:p></o:p></p>

<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style='font-family:"Calibri","sans-serif"'>&lt;file&gt;AllLayers.map&lt;/file&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;layer
name=&quot;layer3&quot;/&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;/map-source&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;catalog&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;layer
title=&quot;layer1&quot; src=&quot;layer1/layer1&quot;/&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;layer
title=&quot;layer2&quot; src=&quot;layer2/layer2&quot;/&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;layer
title=&quot;layer3&quot; src=&quot;layer3/layer3&quot;/&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>&lt;/catalog&gt;</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>Next,</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>Is it okay to use this
method for operational layers such as parcels?</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>Thanks</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>Mark Volz</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>GIS Specialist</span><o:p></o:p></p>

<p><span style='font-family:"Calibri","sans-serif"'>Lyon County, MN</span><o:p></o:p></p>

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