Hot answers tagged routing
With a bit of comparison you can: detect the point clicked find the feature closest to this point use the selectFeatureControl to programatically select this feature see: http://jsfiddle.net/XfEmn/ (note, I use underscore.js _.min function, you could of course do this with a foor loop etc, the clue is to loop the features and get the one with the ...
The Difference Tool should do what you want as @Baltok has suggested. Just set the streets layer as the input layer and the flood layer as the difference layer. This should result in a new streets layer but with the flooded area removed. You might want to check this tutorial for more details.
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