The useOverlay flag is used to distinguish 2 different ways of requesting a map image:
- false: it uses the MG GETMAPIMAGE api to request the map image
- true: it uses the MG GETDYNAMICOVERLAYIMAGE to request the map image, but you need to set the extent and visible layers of the map first using the MG GETVISIBLEMAPEXTENT call.

Mike

On 17/10/2011 8:06 PM, Zac Spitzer wrote:
what do the requests looks like from in firebug

On Tue, Oct 18, 2011 at 6:25 AM, GordonL
<[email protected]>  wrote:
Hi all,
I have a werid issue.

When I embed a mapguide map in my OpenLayers:


"useOverlay: false" - mapguide is non-transparent but visible

"useOverlay: true"  - pink tiles but OSM and Google is visible

This is the only change.

Any ideas?

gordon


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