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<div class=Section1>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Hi Heather<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>On the quality of the FSA images, check that you are requesting
a jpg version from the WMS and that you are serving it from the map file as a
jpg or png – look for the IMAGETYPE tag.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>The shifting of the non-base map layers is a known issue and a
ticket created. A workaround would be to leave the Google maps layer on
and have the WMS image draw over the top of it. In your case, change the
group in the catalog to allow multiple layers or move the WMS out of the group.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I’ve also seen the problem with measurement error when
using the web Mercator projection. The error gets worse as you move away
from the equator. Fortunately the error can be somewhat calculated and
corrected; I’ve been working on a script that does this and can share it
when it is done…hopefully next week. The accuracy of measurements
in the web Mercator projection will never be that good when at a large scale, a
trade off for getting a base map for the entire world.<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>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><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"'> Heather Wirth
[mailto:HWIRTH@co.benton.mn.us] <br>
<b>Sent:</b> Friday, April 09, 2010 8:20 AM<br>
<b>To:</b> Len Kne; geomoose-users@lists.sourceforge.net<br>
<b>Subject:</b> Re: [Geomoose-users] Web Mercator<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>We got the layers to
reproject properly, but now have another issue.<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>The new issue has to
do with the LMIC FSA photos. We reprojected the imagery in a mapfile, and
when the page loads, the image is in the correct location, but it looks really
bad (see attached LMICFSA.jpg). Also, when we zoom in, or pan around the
map, it doesn't behave as you might expect. For instance, zooming in on
Benton County actually centers the map on the south end of Cass county, and the
map does not completely fill the map area in the browser (see attached
Browser.jpg).<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Finally, we also
noticed that the measure distance tool is off. Measuring a length that
should be about 1 mile returns about 1.5 miles. Is this a units problem,
and something we need to change somewhere, or is it a bigger problem?<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Thanks again for
your help.<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Heather<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>---------------<br>
Heather Wirth<br>
Benton County GIS Specialist<br>
7752 Highway 25 NE, PO Box 247<br>
Foley, MN 56329<br>
Phone: 320-968-5168<br>
Fax: 320-968-5333<br>
<br>
>>> Len Kne <lkne@houstoneng.com> 4/6/2010 7:32 AM >>><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Heather<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>You will want to change the layer type to "mapserver",
this will access the data via mapscript instead of making a WMS call to get the
data. If that doesn't fix it, the pink screen usually means that there is
an error in the mapfile. You can track down the problem in Firefox by
going to Tools >> Page Info and selecting the media tab. Find the
address that calls the layer in question and copy that address into another
Firefox tab and call it. This should give you an error message to help
track down the problem.<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>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> Heather
Wirth [mailto:HWIRTH@co.benton.mn.us] <br>
<b>Sent:</b> Tuesday, April 06, 2010 7:16 AM<br>
<b>To:</b> Len Kne; geomoose-users@lists.sourceforge.net<br>
<b>Subject:</b> Re: [Geomoose-users] Web Mercator<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>We
re-projected the parcel layer that comes with the web mercator download, hoping
that if we could get the demo layer to work, we could add other layers.
After making that change, changing the extent in the mapfile (to the "zoom
to parcel data" extent from the mapbook), and removing any reference
to EPSG 26915 (also tried changing those references to 900913) all we get is
the pink screen.<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>Are we
missing something easy?<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>Also, we
noticed in the mapbook's map-source that the parcel layer type is wms; is there
a reason to not use the mapserver type?<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>Thanks
for your help.<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>Heather<br>
<br>
>>> Len Kne <lkne@houstoneng.com> 4/5/2010 1:11 PM >>><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Hi Heather<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>The web Mercator demo re-projects the county boundaries on the
client side (that is with GeoMOOSE using OpenLayers). I've not seen good
results re-projecting on the client and can recommend two options:<o:p></o:p></span></p>
<p class=MsoListParagraph style='margin-right:3.0pt;text-indent:-.25in;
mso-list:l0 level1 lfo2'><![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"'> </span></span></span><![endif]><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Re-project
the layers will use in GeoMOOSE to the web Mercator projection (in Arc, it is
web Mercator (auxiliary sphere)). This will give the best performance as
the layers will not have to be re-projected every time there is a map redraw.<o:p></o:p></span></p>
<p class=MsoListParagraph style='margin-right:3.0pt;text-indent:-.25in;
mso-list:l0 level1 lfo2'><![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"'> </span></span></span><![endif]><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Do
the re-projection in the map file.<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>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> Heather
Wirth [mailto:HWIRTH@co.benton.mn.us] <br>
<b>Sent:</b> Monday, April 05, 2010 12:57 PM<br>
<b>To:</b> geomoose-users@lists.sourceforge.net<br>
<b>Subject:</b> [Geomoose-users] Web Mercator<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>We are
just starting to look at the web mercator download and demo, and noticed that
there seems to be a problem with how everything lines up. For instance,
if I use the "Jump To" to zoom to the full state of MN, the counties
do not line up properly. Is there a fix for this? Any help would be
much appreciated.<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>Heather<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>---------------<br>
Heather Wirth<br>
Benton County GIS Specialist<br>
7752 Highway 25 NE, PO Box 247<br>
Foley, MN 56329<br>
Phone: 320-968-5168<br>
Fax: 320-968-5333<o:p></o:p></span></p>
</div>
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