[mapguide-users] Partial polygons closed at map viewer edges

[Tom Chadwin]

Hello 

When viewing a polygon in MGOS, if one is zoomed in so that some of the
polygon is off-screen, MGOS clips the border along the edges of the viewer.
To see what I mean, see:

http://maps.northumberlandnationalpark.org.uk:443/
http://maps.northumberlandnationalpark.org.uk:443/ 

Zoom in within the navy line which is our boundary, and see its behaviour
once some of the line is off-screen: it runs along the edge of the map,
despite the fact that the true border is not there, but off-screen.

Is there any reason for this behaviour? To me, it represents inaccurate
rendering of data.

Thanks

Tom
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