Details
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Type:
Bug
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Status:
Analysis
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Priority:
Major
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Resolution: Unresolved
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Affects Version/s: UDIG 1.1.RC4
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Fix Version/s: UDIG 1.4.1
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Component/s: framework
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Labels:None
Description
In talking to Jesse the areas where rendering are complicated boils down to...
Limit EMF use to Data Model
- The use of EObject in the execution model (RenderCreator and RenderExecutor) is not needed.
- We can restrict the use of EObject to where it pays off (where user interaction is involved).
- Actions: limit EMF use to Map / Viewport / Layer / Page / Box
Use a "command queue" rather than events.
- use of events use of events to pass control information (this results in an amazing number of opportunities to screw up and miss out on refreshing the screen).
- since we need to bounce between multiple rendering threads and the single display thread we have even more opportunities to freeze the screen!
- we should switch to a command queue style of interaction (as was done for arcsde)