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(29 Jul 2005,
Our delete uses custom algorithms to achieve its goals.
Command to delete a path, starting with a StartPoint or EndPoint.
Given a StartPoint, traverse path in the proper direction until you find a path node with something else than 1 in / 1 out.
This new PathNode is either an EndPoint or a PathNode with multiple connections.
If its not an EndPoint, disconnect your branch from it.
This may cause the other extremity to be deleted or transformed into an empty point.
You then have a path containing only simple nodes. Remove all of these nodes from the model one by one.
You end up with a small start->nc->end path that can be easily removed.
Algorithm can be done in inverse directionfor EndPoint.
What is fun about this algorithm is that it is possible to keep the UCM valid during the deletion.
Special consideration has to be given to removing Connects and InBindings/OutBindings.
You might end up with newly created paths if you have a NodeConnection that is hooked onto two PathNodes that were deleted.
- 14 Jul 2005
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Topic revision: r2 - 29 Jul 2005,
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