MapGuide OS WMS server

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MapGuide OS WMS server

by Bugzilla from dumas65@gmail.com :: Rate this Message:

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I'm looking for info about wms services on MGOS. I'm interested to provide some data via WMS.

I can see sheboygan example data in ArcCatalog using WMS, but none of my Datasets are in server. Can you tell me where sheboygan example data for WMS is configured? How to configure WMS server for Onw data?

Any help appritiated!

D.

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Re: MapGuide OS WMS server

by zspitzer :: Rate this Message:

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there's an is_published flag on the resource header for mapguide
layers which when set
exposes them via WMS... mapguide studio makes it easier

if you look at the headers for the sheboygan layers you will see the
setting in the xml

z

On Thu, Jul 3, 2008 at 7:48 PM, Dumas A <dumas65@...> wrote:

> I'm looking for info about wms services on MGOS. I'm interested to provide
> some data via WMS.
>
> I can see sheboygan example data in ArcCatalog using WMS, but none of my
> Datasets are in server. Can you tell me where sheboygan example data for WMS
> is configured? How to configure WMS server for Onw data?
>
> Any help appritiated!
>
> D.
>
> _______________________________________________
> mapguide-users mailing list
> mapguide-users@...
> http://lists.osgeo.org/mailman/listinfo/mapguide-users
>
>



--
Zac Spitzer -
http://zacster.blogspot.com (My Blog)
+61 405 847 168
_______________________________________________
mapguide-users mailing list
mapguide-users@...
http://lists.osgeo.org/mailman/listinfo/mapguide-users

Re: MapGuide OS WMS server

by Bugzilla from dumas65@gmail.com :: Rate this Message:

Reply to Author | View Threaded | Show Only this Message

I'm not used to mapguide studio, I found 'is published check box, but was
unable to save layer after checking it (save was not active).

Is it somewhere in XML files of layers? I didn't found anything special in
sheboygan layers. Can you send my an example of publishing code, please?

Regards,
D.

On Thursday 03 July 2008 12:52:07 Zac Spitzer wrote:

> there's an is_published flag on the resource header for mapguide
> layers which when set
> exposes them via WMS... mapguide studio makes it easier
>
> if you look at the headers for the sheboygan layers you will see the
> setting in the xml
>
> z
>
> On Thu, Jul 3, 2008 at 7:48 PM, Dumas A <dumas65@...> wrote:
> > I'm looking for info about wms services on MGOS. I'm interested to
> > provide some data via WMS.
> >
> > I can see sheboygan example data in ArcCatalog using WMS, but none of my
> > Datasets are in server. Can you tell me where sheboygan example data for
> > WMS is configured? How to configure WMS server for Onw data?
> >
> > Any help appritiated!
> >
> > D.
> >
> > _______________________________________________
> > mapguide-users mailing list
> > mapguide-users@...
> > http://lists.osgeo.org/mailman/listinfo/mapguide-users


_______________________________________________
mapguide-users mailing list
mapguide-users@...
http://lists.osgeo.org/mailman/listinfo/mapguide-users

RE: MapGuide OS WMS server

by Gwenael Bachelot :: Rate this Message:

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Hi Danas,
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).
It's in french, but with Google translation (on the left), and screenshots, I assume it can be useful.
You will find :
- publish WGS 84 WMS service : http://geospatialfrance.typepad.com/geospatialfrance/2008/06/publier-des-don.html
- publish with other coordsys : http://geospatialfrance.typepad.com/geospatialfrance/2008/06/publier-des-d-1.html

Cordialement,
Gwenael
---------------------------------------
Gwenael Bachelot - Mailto:gwenael.bachelot@...
      http://blogs.autodesk.com/geospatialfrance


-----Original Message-----
From: mapguide-users-bounces@... [mailto:mapguide-users-bounces@...] On Behalf Of Danas Augutis
Sent: jeudi 3 juillet 2008 15:21
To: MapGuide Users Mail List
Subject: Re: [mapguide-users] MapGuide OS WMS server

I'm not used to mapguide studio, I found 'is published check box, but was
unable to save layer after checking it (save was not active).

Is it somewhere in XML files of layers? I didn't found anything special in
sheboygan layers. Can you send my an example of publishing code, please?

Regards,
D.

On Thursday 03 July 2008 12:52:07 Zac Spitzer wrote:

> there's an is_published flag on the resource header for mapguide
> layers which when set
> exposes them via WMS... mapguide studio makes it easier
>
> if you look at the headers for the sheboygan layers you will see the
> setting in the xml
>
> z
>
> On Thu, Jul 3, 2008 at 7:48 PM, Dumas A <dumas65@...> wrote:
> > I'm looking for info about wms services on MGOS. I'm interested to
> > provide some data via WMS.
> >
> > I can see sheboygan example data in ArcCatalog using WMS, but none of my
> > Datasets are in server. Can you tell me where sheboygan example data for
> > WMS is configured? How to configure WMS server for Onw data?
> >
> > Any help appritiated!
> >
> > D.
> >
> > _______________________________________________
> > mapguide-users mailing list
> > mapguide-users@...
> > http://lists.osgeo.org/mailman/listinfo/mapguide-users


_______________________________________________
mapguide-users mailing list
mapguide-users@...
http://lists.osgeo.org/mailman/listinfo/mapguide-users
_______________________________________________
mapguide-users mailing list
mapguide-users@...
http://lists.osgeo.org/mailman/listinfo/mapguide-users

Re: MapGuide OS WMS server

by Kori Maleski-4 :: Rate this Message:

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Has anyone tried to publish to the new EPSG projection for Google - 3785 - successfully?
 
Can the Proj4 library handle custom projections in this manner?
 
 
 
Cheers,
 
 
Kori Maleski
 
 


 
On Thu, Jul 3, 2008 at 2:30 PM, Gwenael Bachelot <gwenael.bachelot@...> wrote:
Hi Danas,
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).
It's in french, but with Google translation (on the left), and screenshots, I assume it can be useful.
You will find :
- publish WGS 84 WMS service : http://geospatialfrance.typepad.com/geospatialfrance/2008/06/publier-des-don.html
- publish with other coordsys : http://geospatialfrance.typepad.com/geospatialfrance/2008/06/publier-des-d-1.html

Cordialement,
Gwenael
---------------------------------------
Gwenael Bachelot - Mailto:gwenael.bachelot@...
     http://blogs.autodesk.com/geospatialfrance


-----Original Message-----
From: mapguide-users-bounces@... [mailto:mapguide-users-bounces@...] On Behalf Of Danas Augutis
Sent: jeudi 3 juillet 2008 15:21
To: MapGuide Users Mail List
Subject: Re: [mapguide-users] MapGuide OS WMS server

I'm not used to mapguide studio, I found 'is published check box, but was
unable to save layer after checking it (save was not active).

Is it somewhere in XML files of layers? I didn't found anything special in
sheboygan layers. Can you send my an example of publishing code, please?

Regards,
D.

On Thursday 03 July 2008 12:52:07 Zac Spitzer wrote:
> there's an is_published flag on the resource header for mapguide
> layers which when set
> exposes them via WMS... mapguide studio makes it easier
>
> if you look at the headers for the sheboygan layers you will see the
> setting in the xml
>
> z
>
> On Thu, Jul 3, 2008 at 7:48 PM, Dumas A <dumas65@...> wrote:
> > I'm looking for info about wms services on MGOS. I'm interested to
> > provide some data via WMS.
> >
> > I can see sheboygan example data in ArcCatalog using WMS, but none of my
> > Datasets are in server. Can you tell me where sheboygan example data for
> > WMS is configured? How to configure WMS server for Onw data?
> >
> > Any help appritiated!
> >
> > D.
> >
> > _______________________________________________
> > mapguide-users mailing list
> > mapguide-users@...
> > http://lists.osgeo.org/mailman/listinfo/mapguide-users


_______________________________________________
mapguide-users mailing list
mapguide-users@...
http://lists.osgeo.org/mailman/listinfo/mapguide-users
_______________________________________________
mapguide-users mailing list
mapguide-users@...
http://lists.osgeo.org/mailman/listinfo/mapguide-users


_______________________________________________
mapguide-users mailing list
mapguide-users@...
http://lists.osgeo.org/mailman/listinfo/mapguide-users

RE: MapGuide OS WMS server

by Maksim Sestic :: Rate this Message:

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Hi Kori,
 
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.
 
Regards,
Maksim Sestic


From: mapguide-users-bounces@... [mailto:mapguide-users-bounces@...] On Behalf Of Kori Maleski
Sent: Friday, July 04, 2008 02:06
To: MapGuide Users Mail List
Subject: Re: [mapguide-users] MapGuide OS WMS server

Has anyone tried to publish to the new EPSG projection for Google - 3785 - successfully?
 
Can the Proj4 library handle custom projections in this manner?
 
 
 
Cheers,
 
 
Kori Maleski
 
 


 
On Thu, Jul 3, 2008 at 2:30 PM, Gwenael Bachelot <gwenael.bachelot@...> wrote:
Hi Danas,
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).
It's in french, but with Google translation (on the left), and screenshots, I assume it can be useful.
You will find :
- publish WGS 84 WMS service : http://geospatialfrance.typepad.com/geospatialfrance/2008/06/publier-des-don.html
- publish with other coordsys : http://geospatialfrance.typepad.com/geospatialfrance/2008/06/publier-des-d-1.html

Cordialement,
Gwenael
---------------------------------------
Gwenael Bachelot - Mailto:gwenael.bachelot@...
     http://blogs.autodesk.com/geospatialfrance


-----Original Message-----
From: mapguide-users-bounces@... [mailto:mapguide-users-bounces@...] On Behalf Of Danas Augutis
Sent: jeudi 3 juillet 2008 15:21
To: MapGuide Users Mail List
Subject: Re: [mapguide-users] MapGuide OS WMS server

I'm not used to mapguide studio, I found 'is published check box, but was
unable to save layer after checking it (save was not active).

Is it somewhere in XML files of layers? I didn't found anything special in
sheboygan layers. Can you send my an example of publishing code, please?

Regards,
D.

On Thursday 03 July 2008 12:52:07 Zac Spitzer wrote:

> there's an is_published flag on the resource header for mapguide
> layers which when set
> exposes them via WMS... mapguide studio makes it easier
>
> if you look at the headers for the sheboygan layers you will see the
> setting in the xml
>
> z
>
> On Thu, Jul 3, 2008 at 7:48 PM, Dumas A <dumas65@...> wrote:
> > I'm looking for info about wms services on MGOS. I'm interested to
> > provide some data via WMS.
> >
> > I can see sheboygan example data in ArcCatalog using WMS, but none of my
> > Datasets are in server. Can you tell me where sheboygan example data for
> > WMS is configured? How to configure WMS server for Onw data?
> >
> > Any help appritiated!
> >
> > D.
> >
> > _______________________________________________
> > mapguide-users mailing list
> > mapguide-users@...
> > http://lists.osgeo.org/mailman/listinfo/mapguide-users


_______________________________________________
mapguide-users mailing list
mapguide-users@...
http://lists.osgeo.org/mailman/listinfo/mapguide-users
_______________________________________________
mapguide-users mailing list
mapguide-users@...
http://lists.osgeo.org/mailman/listinfo/mapguide-users


_______________________________________________
mapguide-users mailing list
mapguide-users@...
http://lists.osgeo.org/mailman/listinfo/mapguide-users

RE: MapGuide OS WMS server

by Kori Maleski-4 :: Rate this Message:

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Some parts of this message have been removed. Learn more about Nabble's security policy.

Hi Maksim,

 

From what I understand, vector data will overlay on Google fine via WMS using WGS84 – EPSG 4326.

I have a number of layers configured this way and it works fine.  But what about raster imagery? 

 

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.

If I format images in a modified Mercator, will MapGuide be able to recognize the projection and will the WMS work?

 

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.

 

Here is some info on the Google projections:

 

http://www.sharpgis.net/post/2007/07/26/The-Microsoft-Live-Maps-and-Google-Maps-projection.aspx

 

http://www.iter.dk/post/2008/05/SphericalWeb-Mercator-EPSG-code-3785.aspx

 

 

Cheers,

 

Kori Maleski

 

 

From: mapguide-users-bounces@... [mailto:mapguide-users-bounces@...] On Behalf Of Maksim Sestic
Sent: July-03-08 11:55 PM
To: 'MapGuide Users Mail List'
Subject: RE: [mapguide-users] MapGuide OS WMS server

 

Hi Kori,

 

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.

 

Regards,

Maksim Sestic

 


From: mapguide-users-bounces@... [mailto:mapguide-users-bounces@...] On Behalf Of Kori Maleski
Sent: Friday, July 04, 2008 02:06
To: MapGuide Users Mail List
Subject: Re: [mapguide-users] MapGuide OS WMS server

Has anyone tried to publish to the new EPSG projection for Google - 3785 - successfully?

 

Can the Proj4 library handle custom projections in this manner?

 

 

 

Cheers,

 

 

Kori Maleski

 

 



 

On Thu, Jul 3, 2008 at 2:30 PM, Gwenael Bachelot <gwenael.bachelot@...> wrote:

Hi Danas,
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).
It's in french, but with Google translation (on the left), and screenshots, I assume it can be useful.
You will find :
- publish WGS 84 WMS service : http://geospatialfrance.typepad.com/geospatialfrance/2008/06/publier-des-don.html
- publish with other coordsys : http://geospatialfrance.typepad.com/geospatialfrance/2008/06/publier-des-d-1.html

Cordialement,
Gwenael
---------------------------------------
Gwenael Bachelot - Mailto:gwenael.bachelot@...
     http://blogs.autodesk.com/geospatialfrance



-----Original Message-----
From: mapguide-users-bounces@... [mailto:mapguide-users-bounces@...] On Behalf Of Danas Augutis
Sent: jeudi 3 juillet 2008 15:21
To: MapGuide Users Mail List
Subject: Re: [mapguide-users] MapGuide OS WMS server

I'm not used to mapguide studio, I found 'is published check box, but was
unable to save layer after checking it (save was not active).

Is it somewhere in XML files of layers? I didn't found anything special in
sheboygan layers. Can you send my an example of publishing code, please?

Regards,
D.

On Thursday 03 July 2008 12:52:07 Zac Spitzer wrote:
> there's an is_published flag on the resource header for mapguide
> layers which when set
> exposes them via WMS... mapguide studio makes it easier
>
> if you look at the headers for the sheboygan layers you will see the
> setting in the xml
>
> z
>
> On Thu, Jul 3, 2008 at 7:48 PM, Dumas A <dumas65@...> wrote:
> > I'm looking for info about wms services on MGOS. I'm interested to
> > provide some data via WMS.
> >
> > I can see sheboygan example data in ArcCatalog using WMS, but none of my
> > Datasets are in server. Can you tell me where sheboygan example data for
> > WMS is configured? How to configure WMS server for Onw data?
> >
> > Any help appritiated!
> >
> > D.
> >
> > _______________________________________________
> > mapguide-users mailing list
> > mapguide-users@...
> > http://lists.osgeo.org/mailman/listinfo/mapguide-users


_______________________________________________
mapguide-users mailing list
mapguide-users@...
http://lists.osgeo.org/mailman/listinfo/mapguide-users
_______________________________________________
mapguide-users mailing list
mapguide-users@...
http://lists.osgeo.org/mailman/listinfo/mapguide-users

 


_______________________________________________
mapguide-users mailing list
mapguide-users@...
http://lists.osgeo.org/mailman/listinfo/mapguide-users

RE: MapGuide OS WMS server

by Maksim Sestic :: Rate this Message:

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Some parts of this message have been removed. Learn more about Nabble's security policy.
Hi Kori,
 
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).
 
You might try this:
 
+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
 
instead of this:
 
+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
 
BTW, EPSG guys are right on this:
 
"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.
 
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:
 
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)   
 
Regards,
Maksim Sestic
 


From: mapguide-users-bounces@... [mailto:mapguide-users-bounces@...] On Behalf Of Kori Maleski
Sent: Saturday, July 05, 2008 04:08
To: 'MapGuide Users Mail List'
Subject: RE: [mapguide-users] MapGuide OS WMS server

Hi Maksim,

 

From what I understand, vector data will overlay on Google fine via WMS using WGS84 – EPSG 4326.

I have a number of layers configured this way and it works fine.  But what about raster imagery? 

 

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.

If I format images in a modified Mercator, will MapGuide be able to recognize the projection and will the WMS work?

 

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.

 

Here is some info on the Google projections:

 

http://www.sharpgis.net/post/2007/07/26/The-Microsoft-Live-Maps-and-Google-Maps-projection.aspx

 

http://www.iter.dk/post/2008/05/SphericalWeb-Mercator-EPSG-code-3785.aspx

 

 

Cheers,

 

Kori Maleski

 

 

From: mapguide-users-bounces@... [mailto:mapguide-users-bounces@...] On Behalf Of Maksim Sestic
Sent: July-03-08 11:55 PM
To: 'MapGuide Users Mail List'
Subject: RE: [mapguide-users] MapGuide OS WMS server

 

Hi Kori,

 

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.

 

Regards,

Maksim Sestic

 


From: mapguide-users-bounces@... [mailto:mapguide-users-bounces@...] On Behalf Of Kori Maleski
Sent: Friday, July 04, 2008 02:06
To: MapGuide Users Mail List
Subject: Re: [mapguide-users] MapGuide OS WMS server

Has anyone tried to publish to the new EPSG projection for Google - 3785 - successfully?

 

Can the Proj4 library handle custom projections in this manner?

 

 

 

Cheers,

 

 

Kori Maleski

 

 



 

On Thu, Jul 3, 2008 at 2:30 PM, Gwenael Bachelot <gwenael.bachelot@...> wrote:

Hi Danas,
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).
It's in french, but with Google translation (on the left), and screenshots, I assume it can be useful.
You will find :
- publish WGS 84 WMS service : http://geospatialfrance.typepad.com/geospatialfrance/2008/06/publier-des-don.html
- publish with other coordsys : http://geospatialfrance.typepad.com/geospatialfrance/2008/06/publier-des-d-1.html

Cordialement,
Gwenael
---------------------------------------
Gwenael Bachelot - Mailto:gwenael.bachelot@...
     http://blogs.autodesk.com/geospatialfrance



-----Original Message-----
From: mapguide-users-bounces@... [mailto:mapguide-users-bounces@...] On Behalf Of Danas Augutis
Sent: jeudi 3 juillet 2008 15:21
To: MapGuide Users Mail List
Subject: Re: [mapguide-users] MapGuide OS WMS server

I'm not used to mapguide studio, I found 'is published check box, but was
unable to save layer after checking it (save was not active).

Is it somewhere in XML files of layers? I didn't found anything special in
sheboygan layers. Can you send my an example of publishing code, please?

Regards,
D.

On Thursday 03 July 2008 12:52:07 Zac Spitzer wrote:


> there's an is_published flag on the resource header for mapguide
> layers which when set
> exposes them via WMS... mapguide studio makes it easier
>
> if you look at the headers for the sheboygan layers you will see the
> setting in the xml
>
> z
>
> On Thu, Jul 3, 2008 at 7:48 PM, Dumas A <dumas65@...> wrote:
> > I'm looking for info about wms services on MGOS. I'm interested to
> > provide some data via WMS.
> >
> > I can see sheboygan example data in ArcCatalog using WMS, but none of my
> > Datasets are in server. Can you tell me where sheboygan example data for
> > WMS is configured? How to configure WMS server for Onw data?
> >
> > Any help appritiated!
> >
> > D.
> >
> > _______________________________________________
> > mapguide-users mailing list
> > mapguide-users@...
> > http://lists.osgeo.org/mailman/listinfo/mapguide-users


_______________________________________________
mapguide-users mailing list
mapguide-users@...
http://lists.osgeo.org/mailman/listinfo/mapguide-users
_______________________________________________
mapguide-users mailing list
mapguide-users@...
http://lists.osgeo.org/mailman/listinfo/mapguide-users

 



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This message was checked by NOD32 antivirus system.
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_______________________________________________
mapguide-users mailing list
mapguide-users@...
http://lists.osgeo.org/mailman/listinfo/mapguide-users

Parent Message unknown RE: MapGuide OS WMS server

by Maksim Sestic :: Rate this Message:

Reply to Author | View Threaded | Show Only this Message

Some parts of this message have been removed. Learn more about Nabble's security policy.
Hi Kori,
 
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).
 
You might try this:
 
+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
 
instead of this:
 
+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
 
BTW, EPSG guys are right on this:
 
"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.
 
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:
 
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)   
 
Regards,
Maksim Sestic
 


From: mapguide-users-bounces@... [mailto:mapguide-users-bounces@...] On Behalf Of Kori Maleski
Sent: Saturday, July 05, 2008 04:08
To: 'MapGuide Users Mail List'
Subject: RE: [mapguide-users] MapGuide OS WMS server

Hi Maksim,

 

From what I understand, vector data will overlay on Google fine via WMS using WGS84 – EPSG 4326.

I have a number of layers configured this way and it works fine.  But what about raster imagery? 

 

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.

If I format images in a modified Mercator, will MapGuide be able to recognize the projection and will the WMS work?

 

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.

 

Here is some info on the Google projections:

 

http://www.sharpgis.net/post/2007/07/26/The-Microsoft-Live-Maps-and-Google-Maps-projection.aspx

 

http://www.iter.dk/post/2008/05/SphericalWeb-Mercator-EPSG-code-3785.aspx

 

 

Cheers,

 

Kori Maleski

 

 

From: mapguide-users-bounces@... [mailto:mapguide-users-bounces@...] On Behalf Of Maksim Sestic
Sent: July-03-08 11:55 PM
To: 'MapGuide Users Mail List'
Subject: RE: [mapguide-users] MapGuide OS WMS server

 

Hi Kori,

 

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.

 

Regards,

Maksim Sestic

 


From: mapguide-users-bounces@... [mailto:mapguide-users-bounces@...] On Behalf Of Kori Maleski
Sent: Friday, July 04, 2008 02:06
To: MapGuide Users Mail List
Subject: Re: [mapguide-users] MapGuide OS WMS server

Has anyone tried to publish to the new EPSG projection for Google - 3785 - successfully?

 

Can the Proj4 library handle custom projections in this manner?

 

 

 

Cheers,

 

 

Kori Maleski

 

 



 

On Thu, Jul 3, 2008 at 2:30 PM, Gwenael Bachelot <gwenael.bachelot@...> wrote:

Hi Danas,
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).
It's in french, but with Google translation (on the left), and screenshots, I assume it can be useful.
You will find :
- publish WGS 84 WMS service : http://geospatialfrance.typepad.com/geospatialfrance/2008/06/publier-des-don.html
- publish with other coordsys : http://geospatialfrance.typepad.com/geospatialfrance/2008/06/publier-des-d-1.html

Cordialement,
Gwenael
---------------------------------------
Gwenael Bachelot - Mailto:gwenael.bachelot@...
     http://blogs.autodesk.com/geospatialfrance



-----Original Message-----
From: mapguide-users-bounces@... [mailto:mapguide-users-bounces@...] On Behalf Of Danas Augutis
Sent: jeudi 3 juillet 2008 15:21
To: MapGuide Users Mail List
Subject: Re: [mapguide-users] MapGuide OS WMS server

I'm not used to mapguide studio, I found 'is published check box, but was
unable to save layer after checking it (save was not active).

Is it somewhere in XML files of layers? I didn't found anything special in
sheboygan layers. Can you send my an example of publishing code, please?

Regards,
D.

On Thursday 03 July 2008 12:52:07 Zac Spitzer wrote:


> there's an is_published flag on the resource header for mapguide
> layers which when set
> exposes them via WMS... mapguide studio makes it easier
>
> if you look at the headers for the sheboygan layers you will see the
> setting in the xml
>
> z
>
> On Thu, Jul 3, 2008 at 7:48 PM, Dumas A <dumas65@...> wrote:
> > I'm looking for info about wms services on MGOS. I'm interested to
> > provide some data via WMS.
> >
> > I can see sheboygan example data in ArcCatalog using WMS, but none of my
> > Datasets are in server. Can you tell me where sheboygan example data for
> > WMS is configured? How to configure WMS server for Onw data?
> >
> > Any help appritiated!
> >
> > D.
> >
> > _______________________________________________
> > mapguide-users mailing list
> > mapguide-users@...
> > http://lists.osgeo.org/mailman/listinfo/mapguide-users


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