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Partially refresh of data

Topics: Algorithms, Data Access, SharpMap v0.9 / v1.x, WinForms Controls
Mar 12, 2013 at 12:59 PM

How is the mapbox' map internally refreshed: full (all data but just the contents of the boundingbox shown) or partially (just the contents of the boundingbox)?
In ESRI's ArcObjects there is a significant speed difference in refreshing the full data or just a given area and/or single layer.

Mar 12, 2013 at 2:00 PM
SharpMap requeries all layers for the viewport if that changed.
If you have a layer with changing data, you might want to try the VariableLayersCollection.

Hth FObermaier
Mar 21, 2013 at 9:15 PM
This is something we should address for SharpMap V3
Mar 21, 2013 at 9:50 PM
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