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<div class=Section1>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Google layers work differently than the mapserver and WMS layers
we are use to working with in GeoMOOSE. The Google layers (as well as
bing, Yahoo & OSM) are tiled and have set scales that can be called that
match their tiles. Thus the “scales” tag in the mapbook is
not going to be able to affect those base layers. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>It is possible to change the number of zoom levels and the min
and max zoom level of a Google base map. Unfortunately GM 2.2 is not
setup to allow these changes to happen in the mapbook, but I will add a request
to trac that we make these parameters configurable in the
<map_source>. A work around for now would be to go in to
compiled.js and search for:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> }
else if(type == 'google' || type == 'virtualearth' || type == 'yahoo') {<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> /*
remove references layers if people got "creative" */<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> reference_layers
= '';<o:p></o:p></span></p>
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color:#1F497D'> reference_layer_names
= [];<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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color:#1F497D'> var
layer_options = {<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> numZoomLevels:
20,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> sphericalMercator:
true<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> };<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>You can add layer options such as:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> var
layer_options = {<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> numZoomLevels:
15,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> sphericalMercator:
true,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> MIN_ZOOM_LEVEL:
2,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> MAX_ZOOM_LEVEL:
10<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> };<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Playing with the zoom levels and min and max, you should be able
to change the zoom bar to what you are looking for. See <a
href="http://dev.openlayers.org/releases/OpenLayers-2.8/doc/apidocs/files/OpenLayers/Layer/Google-js.html">http://dev.openlayers.org/releases/OpenLayers-2.8/doc/apidocs/files/OpenLayers/Layer/Google-js.html</a>
for more info.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </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> </o:p></span></p>
<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"'> Efstathios
Arapostathis [mailto:e.arapostathis@gmail.com] <br>
<b>Sent:</b> Monday, March 01, 2010 4:46 PM<br>
<b>To:</b> Dan Little<br>
<b>Cc:</b> geomoose-users@lists.sourceforge.net<br>
<b>Subject:</b> Re: [Geomoose-users] zoom limit<o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I changed the scales parameter and I added four scales that
I want. The scale box down shows them, but stilll there is no zoom limit.<o:p></o:p></p>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<div>
<p class=MsoNormal>The zoom bar that is at the left of the mapcontainer has
many scales...<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal>I tried to use the minscale, maxscale options in the layers
tag but it still didn't work.<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal>Do maxscaledom and minscaledom have the same syntax with
minscale and maxscale? (maxscaledom="scale param value",
minsxaledom="scale param value"). If yes it doesn't work as well.
This is how I configured scales parameter:<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal> <param
name="ground_units">m</param><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span class=apple-tab-span> </span><param
name="scales">1733376,200000,220000,250000,27734017</param><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span class=apple-tab-span> </span><param
name="jumpto_scales"><![CDATA[<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span class=apple-tab-span> </span>{<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span class=apple-tab-span> </span>'Maximum
zoom level' : 1733376,<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span class=apple-tab-span> </span>'Study
area' : 27734017<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span class=apple-tab-span> </span>}<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span class=apple-tab-span> </span>]]></param><o:p></o:p></p>
</div>
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