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9/1/10


Re: comp.geometry
Posted:
Nov 21, 2012 10:31 AM


fillmapfunction>,On Nov 21, 7:29 am, Musatov <marty.musa...@gmail.com> wrote: >  Forwarded message  > From: Martin Musatov <marty.musa...@gmail.com> > Date: Nov 12, 1:39 am > Subject: Fiuna function A * (start, goal) closedset:. = the empty > > set / / The set of nodes already evaluated openset: = {start} / / The > set of tentative nodes to be evaluated, initially containing the start > node came_from: = the empty . map / / The map o > To: comp.theory > > function A * (start, goal) closedset:. = the empty set / / The set > of nodes already evaluated openset: = {start} / / The set of tentative > nodes to be evaluated, initially containing the start node came_from: > = the empty . map / / The map of navigated nodes g_score [start]:.. = > 0 / / Cost from start along best known path / / Estimated total cost > from start to goal through y f_score [start]: = g_score [start] + > heuristic_cost_estimate (start, goal) while openset is not empty > current: = the node in openset having the lowest f_score [] value if > current = goal return reconstruct_path (came_from, goal) remove > current from openset add current to closedset for each neighbor in > neighbor_nodes (current ) if neighbor in closedset continue > tentative_g_score: = g_score [current] + dist_between (current, > neighbor) if neighbor not in openset or tentative_g_score <g_score > [neighbor] add neighbor to openset came_from [neighbor]: = current > g_score [neighbor]: = tentative_g_score f_score [neighbor]: = g_score > [neighbor] + heuristic_cost_estimate (neighbor, goal) return failure > function reconstruct_path (came_from, current_node) if came_from > [current_node] is set p: = reconstruct_path (came_from, came_from > [current_node]) return (p + current_node ) else return current_nodeOn > Nov 21, 7:22 am, Musatov <marty.musa...@gmail.com> wrote: > > If there is such a keyhttp://farm9.staticflickr.com/8070/8205189861_8e7dc01a47_b.jpg > > import function fns k > kett > y > ret +a2a


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11/21/12



11/21/12



11/21/12




