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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Hi Maksim,<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'>That’s what I needed to know. The Google projection doesn’t
use flattening (I think). The hack addresses the issue. <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'>I just wanted to sort out which projection to use before
reprojecting imagery.<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'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Cheers,<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'>Kori Maleski<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 0cm 0cm 0cm'>
<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US 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>Maksim
Sestic<br>
<b>Sent:</b> July-05-08 4:02 AM<br>
<b>To:</b> mapguide-users@lists.osgeo.org<br>
<b>Subject:</b> RE: [mapguide-users] MapGuide OS WMS server<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:blue'>Hi Kori,</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:blue'>That's strange, I've been using WGS84 for both raster and
vector layers in Google Earth and everything worked fine. That is - if your
actual raster coverage doesn't get overlayed on top of the poles (WGS84
won't perform well too north or too south). There are
situations when you need to manually hack WGS84 transformation parameters,
though (see remarks below).</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:blue'>You might try this:</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";
color:black'>+proj=merc +ellps=sphere +a=6378137 +b=6378137 +lat_ts=0.0
+lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +no_defs</span><span
style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:blue'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:blue'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:blue'>instead of this:</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";
color:black'>+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0
+y_0=0 +k=1.0 +units=m +nadgrids=@null +no_defs</span><span style='font-size:
10.0pt;font-family:"Verdana","sans-serif";color:black'> </span><span
style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:blue'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:blue'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:blue'>BTW, EPSG guys are right on this:</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal>"<em>We have reviewed the coordinate reference system
used by Microsoft, Google, etc. and believe that it is technically flawed. We
will not devalue the EPSG dataset by including such inappropriate geodesy and
cartography.</em>” <o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:blue'>Which they obviously did, and this is not unique case of
"technically flawed PCS" slipping into the EPSG dataset :-)
Google/MS have choosen spherical projection over ellipsoidal one due to
speed issues - they didn't foresee that their datasets will get heavily
overlayed with actual, measured data. End result for EPSG 3785:</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Relative
to an ellipsoidal development errors of up to 800 metres in position and 0.7%
in scale may arise. Some applications call this WGS 84. It is not a recognised
geodetic system: see WGS 84 / World Mercator (CRS code 3395)</span><span
style='font-family:"Courier New"'> </span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:blue'>Regards,</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:blue'>Maksim Sestic</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<div class=MsoNormal align=center style='text-align:center'><span lang=EN-US>
<hr size=2 width="100%" align=center>
</span></div>
<p class=MsoNormal style='margin-bottom:12.0pt'><b><span lang=EN-US
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
lang=EN-US 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>Kori
Maleski<br>
<b>Sent:</b> Saturday, July 05, 2008 04:08<br>
<b>To:</b> 'MapGuide Users Mail List'<br>
<b>Subject:</b> RE: [mapguide-users] MapGuide OS WMS server</span><span
lang=EN-US><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Hi Maksim,<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'>From what I understand, vector data will overlay on Google fine
via WMS using WGS84 – EPSG 4326.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I have a number of layers configured this way and it works
fine. But what about raster imagery? <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'>Google uses a modified Mercator for its tiles, and I need to
overlay some raster imagery layers. I need to reproject the raster to the
appropriate map projection for proper display.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>If I format images in a modified Mercator, will MapGuide be able
to recognize the projection and will the WMS work?<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'>I added the projections to the files in the nad and data
directories for both the server and web extensions, as well as modified the WMS
axd file. I can’t get it to work. I get an invalid coordinate
system error. Not sure if I am doing something wrong or not configuring
it correctly. Hoping someone else has done this before.<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'>Here is some info on the Google projections:<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'><a
href="http://www.sharpgis.net/post/2007/07/26/The-Microsoft-Live-Maps-and-Google-Maps-projection.aspx">http://www.sharpgis.net/post/2007/07/26/The-Microsoft-Live-Maps-and-Google-Maps-projection.aspx</a><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'><a
href="http://www.iter.dk/post/2008/05/SphericalWeb-Mercator-EPSG-code-3785.aspx">http://www.iter.dk/post/2008/05/SphericalWeb-Mercator-EPSG-code-3785.aspx</a><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'>Cheers,<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'>Kori Maleski<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>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'>
<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US 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>Maksim
Sestic<br>
<b>Sent:</b> July-03-08 11:55 PM<br>
<b>To:</b> 'MapGuide Users Mail List'<br>
<b>Subject:</b> RE: [mapguide-users] MapGuide OS WMS server<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:blue'>Hi Kori,</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:blue'>Do you have any indicies how is EPSG:3785 different than standard
WGS84? I've been doing coordinate transformation from numerous other CRSes
to WGS84 and everything worked fine with Google Earth/Maps. The most important
part of the process is, naturally, getting correct WGS84
transformation parameters in first place. BTW, decimeter-precision range is out
of question due to GE/GM aerial imagery scale which is, if I recall correctly,
1:5000 (m) at best.</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:blue'>Regards,</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:blue'>Maksim Sestic</span><o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<div class=MsoNormal align=center style='text-align:center'><span lang=EN-US>
<hr size=2 width="100%" align=center>
</span></div>
<p class=MsoNormal style='margin-bottom:12.0pt'><b><span lang=EN-US
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
lang=EN-US 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>Kori Maleski<br>
<b>Sent:</b> Friday, July 04, 2008 02:06<br>
<b>To:</b> MapGuide Users Mail List<br>
<b>Subject:</b> Re: [mapguide-users] MapGuide OS WMS server</span><span
lang=EN-US><o:p></o:p></span></p>
<div>
<p class=MsoNormal>Has anyone tried to publish to the new EPSG projection for
Google - 3785 - successfully?<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal>Can the Proj4 library handle custom projections in this
manner?<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal>Cheers,<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal>Kori Maleski<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><br>
<br>
<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal>On Thu, Jul 3, 2008 at 2:30 PM, Gwenael Bachelot <<a
href="mailto:gwenael.bachelot@eur.autodesk.com">gwenael.bachelot@eur.autodesk.com</a>>
wrote:<o:p></o:p></p>
<p class=MsoNormal>Hi Danas,<br>
I am not sure it is what you are searching for, but I wrote on my blog two
posts on how to publish WMS with MapGuide (using Autodesk MapGuide Studio).<br>
It's in french, but with Google translation (on the left), and screenshots, I
assume it can be useful.<br>
You will find :<br>
- publish WGS 84 WMS service : <a
href="http://geospatialfrance.typepad.com/geospatialfrance/2008/06/publier-des-don.html"
target="_blank">http://geospatialfrance.typepad.com/geospatialfrance/2008/06/publier-des-don.html</a><br>
- publish with other coordsys : <a
href="http://geospatialfrance.typepad.com/geospatialfrance/2008/06/publier-des-d-1.html"
target="_blank">http://geospatialfrance.typepad.com/geospatialfrance/2008/06/publier-des-d-1.html</a><br>
<br>
Cordialement,<br>
Gwenael<br>
---------------------------------------<br>
<span style='color:#888888'>Gwenael Bachelot - Mailto:<a
href="mailto:gwenael.bachelot@autodesk.com">gwenael.bachelot@autodesk.com</a><br>
<a href="http://blogs.autodesk.com/geospatialfrance"
target="_blank">http://blogs.autodesk.com/geospatialfrance</a></span><o:p></o:p></p>
<div>
<div>
<p class=MsoNormal><br>
<br>
-----Original Message-----<br>
From: <a href="mailto:mapguide-users-bounces@lists.osgeo.org">mapguide-users-bounces@lists.osgeo.org</a>
[mailto:<a href="mailto:mapguide-users-bounces@lists.osgeo.org">mapguide-users-bounces@lists.osgeo.org</a>]
On Behalf Of Danas Augutis<br>
Sent: jeudi 3 juillet 2008 15:21<br>
To: MapGuide Users Mail List<br>
Subject: Re: [mapguide-users] MapGuide OS WMS server<br>
<br>
I'm not used to mapguide studio, I found 'is published check box, but was<br>
unable to save layer after checking it (save was not active).<br>
<br>
Is it somewhere in XML files of layers? I didn't found anything special in<br>
sheboygan layers. Can you send my an example of publishing code, please?<br>
<br>
Regards,<br>
D.<br>
<br>
On Thursday 03 July 2008 12:52:07 Zac Spitzer wrote:<br>
> there's an is_published flag on the resource header for mapguide<br>
> layers which when set<br>
> exposes them via WMS... mapguide studio makes it easier<br>
><br>
> if you look at the headers for the sheboygan layers you will see the<br>
> setting in the xml<br>
><br>
> z<br>
><br>
> On Thu, Jul 3, 2008 at 7:48 PM, Dumas A <<a
href="mailto:dumas65@gmail.com">dumas65@gmail.com</a>> wrote:<br>
> > I'm looking for info about wms services on MGOS. I'm interested to<br>
> > provide some data via WMS.<br>
> ><br>
> > I can see sheboygan example data in ArcCatalog using WMS, but none of
my<br>
> > Datasets are in server. Can you tell me where sheboygan example data
for<br>
> > WMS is configured? How to configure WMS server for Onw data?<br>
> ><br>
> > Any help appritiated!<br>
> ><br>
> > D.<br>
> ><br>
> > _______________________________________________<br>
> > mapguide-users mailing list<br>
> > <a href="mailto:mapguide-users@lists.osgeo.org">mapguide-users@lists.osgeo.org</a><br>
> > <a href="http://lists.osgeo.org/mailman/listinfo/mapguide-users"
target="_blank">http://lists.osgeo.org/mailman/listinfo/mapguide-users</a><br>
<br>
<br>
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