[fusion-users] Fusion 2 - Google & Sheboygan Sample

[Paul Spencer]

Google and all the other commercial services are not in EPSG:4326  
(WGS84 LatLong), rather they use a spherical mercator projection.  I'm  
not sure how to configure this in MapGuide.


On 31-Mar-09, at 5:00 PM, Berdel, Brian wrote:

> Thanks Mike, that actually did work to get them both on.  However I  
> have to zoom in to Sheboygan then turn the layers on and off to get  
> them to appear.
>
> These are the problems I have noticed:
>
> 1. I cannot set the correct extents...The map always starts with a  
> full view of the world...Shouldn't it get set to the extents of my  
> first map?
>
> 	I tried setting it with ( as in example)
>
> 		<maxExtent>-87.764986990962839,- 87.695521510899724,  
> 43.691398128787782, 43.797520000480347</maxExtent>
>
> 	I noticed in Generic.js that there is a comment saying:
>
> 	this.mapTag.layerOptions.maxExtent = null;    //maxExtent not  
> allowed on Google layers
> 	
> 	So it looks as though this is not correct...
>
> 2. Once viewable, the maps do not overlay properly even though they  
> are both the same coordinate system WGS84.
>
> 	I tried with Sheboygan and some other data I have in WGS84.
>
> 3. You cannot set the maps background color to transparent in  
> studio / maestro / or XML (not that I know of anyway)
> 	So, there will always be a color blocking the underlying google map  
> if any layer from the top map is on
> 	This also goes for any maps you may try to overlay
>
>
> Thanks,
>
> Brian
> -----Original Message-----
> From: Mike Adair [mailto:madair at dmsolutions.ca]
> Sent: Tuesday, March 31, 2009 4:09 PM
> To: Berdel, Brian
> Cc: fusion-users at lists.osgeo.org
> Subject: Re: [fusion-users] Fusion 2 - Google & Sheboygan Sample
>
> Can you try putting a
> <Options><isBaseLayer>false</isBaseLayer></Options> in your MapGuide
> layer <Extension> element. OL only allows one baselayer at a time  
> and I
> suspect the MG layer gets set as a baselayer.
>
> Mike
>
> Berdel, Brian wrote:
>>
>> Hello,
>>
>> I have been trying to test the functionality of adding google maps to
>> the Sheboygan Sample Map in my Appdef but have had no luck...I am  
>> able
>> to get google to show up but the Sheboygan data does not. I can see
>> the Sheboygan layers in the legend but when I zoom to sheyboygan the
>> overview map does show that I am in the correct location but there  
>> are
>> no layers in the map. Here is my AppDef. I have tried using the
>> Tiledmap and regular and setting singletile & isbaselayer to true /
>> false. Am I not doing something right? Sheboygan is the same
>> coordinate system as Google.
>>
>> <MapGroup id="sheboygan" xsi:type="MapType">
>>
>> <Map xsi:type="MapGuideLayerType">
>>
>> <Type>MapGuide</Type>
>>
>> <SingleTile>true</SingleTile>
>>
>> <Extension>
>>
>> <ResourceId>Library://Samples/Sheboygan/Maps/ 
>> Sheboygan.MapDefinition</ResourceId>
>>
>> <SelectionAsOverlay>true</SelectionAsOverlay>
>>
>> <SelectionFormat>PNG</SelectionFormat>
>>
>> <SelectionColor>0xFF0000FF</SelectionColor>
>>
>> </Extension>
>>
>> </Map>
>>
>> <Map xsi:type="WMSLayerType">
>>
>> <Type>Google</Type>
>>
>> <Extension>
>>
>> <ResourceId>google</ResourceId>
>>
>> <Options>
>>
>> <name>GoogleLayer</name>
>>
>> <type>G_PHYSICAL_MAP</type>
>>
>> <isBaseLayer>true</isBaseLayer>
>>
>> <sphericalMercator>false</sphericalMercator>
>>
>> </Options>
>>
>> </Extension>
>>
>> </Map>
>>
>> </MapGroup>
>>
>> Brian Berdel
>>
>> Applications Development Manager
>>
>> McMahon Associates, Inc.
>>
>> 425 Commerce Drive, Suite 200
>>
>> Fort Washington, Pennsylvania 19034
>>
>> p: 215.283.9444 x 260
>>
>> f: 215.283.9858
>>
>> brian.berdel at mcmtrans.com
>>
>> http://www.mcmtrans.com/mcm_logo.jpg <http://www.mcmtrans.com/>
>>
>> New England | Mid-Atlantic | Florida
>>
>> ------------------------------------------------------------------------
>>
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>>
>
> -- 
>   Michael Adair
>   Senior Software Architect
>   DM Solutions Group Inc.
>
>   Office: (613) 565-5056 x26
>   madair at dmsolutions.ca
>   http://www.dmsolutions.ca
>   http://research.dmsolutions.ca
>
>
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__________________________________________

    Paul Spencer
    Chief Technology Officer
    DM Solutions Group Inc
    http://research.dmsolutions.ca/