[mapguide-users] Polygon labels - fusion problems

[Jason Birch]

Traian, Paul,

I observed considerable performance degradation between the old version
of Fusion (pre-MGOS) that used GetDynamicMapOverlay instead of GetMap.
This was with my Cemetery map data that has the nasty buffered roads
layer.  Sheboygan seemed to be fairly quick regardless.

I'm wondering if this difference (clipping off) could be the culprit?  I
don't see the same performance decrease in the AJAX viewer for this map.

I discussed this with Paul earlier, and think I was supposed to submit a
bug report, but wasn't able to quickly put together a reproducible error
report and it slipped my mind (doh!).

Jason
 

-----Original Message-----
From: Traian Stanev
Subject: RE: [mapguide-users] Polygon labels - fusion problems


I think it could be that Fusion uses a RenderMap API which uses viewport
clipping turned off (resulting in labels always being at the true
centroid of polygons) while the MG ajax viewer uses
RenderDynamicOverlay, which has viewport clipping turned on, resulting
in polygons being labeled at the centroid of the clipped region.