openstreetmap

A* Algorithm for very large graphs, any thoughts on caching shortcuts?

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You should be able to make it much faster by trading off optimality. See Admissibility and optimality on wikipedia. The idea is to use an epsilon value which will lead to a solution no worse than 1 + epsilon times the optimal path, but which will cause fewer nodes to be considered by the algorithm. … Read more

Openstreetmap: embedding map in webpage (like Google Maps)

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You need to use some JavaScript stuff to show your map. OpenLayers is the number one choice for this. There is an example at http://wiki.openstreetmap.org/wiki/OpenLayers_Simple_Example and something more advanced at http://wiki.openstreetmap.org/wiki/OpenLayers_Marker and http://wiki.openstreetmap.org/wiki/Openlayers_POI_layer_example

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