[fusion-dev] Patch for #271 http://trac.osgeo.org/fusion/attachment/ticket/271/BasemapSwitcher.patch review

[Arthur Liu]

Thanks for your replay.

Actually, the purpose to provide this widget is just switch between the commercial layers and close all the commercial layers. 

I have some confusion about the concept of Basemap. And this is my understanding, if there're any stupid errors please point them out .

1. Only the tiled map can be the basemap, which means the maps which contains only dynamic layers can't be the basemap. So, the BasemapSwitcher must shown all the tiled maps and commercial maps. Could user close all the basemaps and show dynamic maps only?(that's why there's a None item in the widget)

2. Since tiled map is a basemap, so the tiled map and commercial maps cannot shown at the same time.

3. How can I distinguish tiled maps and normal maps in application definition's map group tag? The only different I can see is the <SingleTile> tag. For tiled map, it's false, and for normal map, it's true. 

Regards,
Arthur

-----Original Message-----
From: Chris Claydon 
Sent: Friday, July 31, 2009 6:12 AM
To: Jason Birch; Arthur Liu; fusion-dev at lists.osgeo.org
Subject: RE: [fusion-dev] Patch for #271 http://trac.osgeo.org/fusion/attachment/ticket/271/BasemapSwitcher.patch review

Hi Jason,

Does the current version of Fusion support using a dynamic MapGuide layer overlaid on a tiled MapGuide layer (and does it work correctly)?

Arthur,

Looking at the widget code, if there are two or more MapGuide maps involved, choosing "None" will always set the one that is defined last to be the base map. This may not be the desired behavior.

Instead of using "None" could we use the name of the MapGuide map? It seems we use the map name for the other base maps already. It would be nice to be able to define the labels that are used for these options as part of the widget configuration. Is that a possibility? It seems like you could probably achieve the same result by adjusting the map names in the widget definition XML, so maybe there's a workaround.

Also, there are quite a few unlocalized strings defined in the widget. Would it be possible to localize them? One of the DM Solns developers may be able to advise how to do this, if it's possible.

Chris.

-----Original Message-----
From: fusion-dev-bounces at lists.osgeo.org [mailto:fusion-dev-bounces at lists.osgeo.org] On Behalf Of Jason Birch
Sent: Wednesday, July 29, 2009 6:27 PM
To: Arthur Liu; fusion-dev at lists.osgeo.org
Subject: RE: [fusion-dev] Patch for #271 http://trac.osgeo.org/fusion/attachment/ticket/271/BasemapSwitcher.patch review

For my users, "None" just wouldn't make sense.  They don't understand what a base map is, and would want an easy to use chooser.  This is what I would ideally like to be able to do:

"Satellite" (Google)
"Streets" (MapGuide map definition with tile layers only)
"Parcels" (MapGuide map definition with tile layers only)

On top of this base map choice, I would layer a MapGuide dynamic/singleTile map.

Combining tile layers into a dynamic MapGuide map is dangerous, and limits you from having multiple mapguide-based tile map sources in the same map.

Jason

________________________________
From: Arthur Liu [arthur.liu at autodesk.com]
Sent: Tuesday, July 28, 2009 10:17 PM
To: Jason Birch; fusion-dev at lists.osgeo.org
Subject: RE: [fusion-dev] Patch for #271 http://trac.osgeo.org/fusion/attachment/ticket/271/BasemapSwitcher.patch review

Hi Jason,

Thanks for your comment.  Actually, the controls items would be :

 - Satellite (by Google)
 - Composite (by Google)
 - None

If the user selected the "None" item, the MapGuide map will be set as basemap, and it just looked like the original MapGuide map without any commercial maps.
I am not sure if I totally understand your question, if not, please point it out.

Thanks,
Arthur

From: Jason Birch [mailto:Jason.Birch at nanaimo.ca]
Sent: Tuesday, July 28, 2009 11:11 PM
To: fusion-dev at lists.osgeo.org
Cc: Arthur Liu
Subject: RE: [fusion-dev] Patch for #271 http://trac.osgeo.org/fusion/attachment/ticket/271/BasemapSwitcher.patch review

I unfortunately don't really understand the code, so this might be a stupid question.

With this control, does it allow the map developer to configure a set of basemaps including both MapGuide tiled maps and commercial maps, and switch between them?  For instance, could I present the user with a choice of the following base maps via this control?

 - Satellite (by Google)
 - Composite (by Google)
 - Parcels (mine)

With MapGuide tile layers, it's not really sustainable to keep them in the same map as untiled layers (any changes to the untiled layers triggers a cache rebuild) so it would be nice to be able to define both a MapGuide single tile overlay and a MapGuide base map as separate items.

Jason


From: fusion-dev-bounces at lists.osgeo.org [mailto:fusion-dev-bounces at lists.osgeo.org] On Behalf Of Arthur Liu
Sent: Monday, July 27, 2009 8:29 PM
To: fusion-dev at lists.osgeo.org
Subject: [fusion-dev] Patch for #271 http://trac.osgeo.org/fusion/attachment/ticket/271/BasemapSwitcher.patch review

Hi,

Would you please review the patch for ticket 271( http://trac.osgeo.org/fusion/ticket/271 ) at http://trac.osgeo.org/fusion/attachment/ticket/271/BasemapSwitcher.patch ?

Description :
Currently, fusion support Google, Yahoo and Virtual Earth services as basemaps shown behind the overlaid MapGuide layers. However there's no proper widget to switch basemaps in MapGuide. That means there's no way for end-user to change the basemaps. This widget will help end-user to control the commercial base maps(turn on/off commercial basemaps or switch the basemaps).

Thanks,
Arthur
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