public override void Compute(MSInput input, out MSOutput output)
{
output = new MSOutput();
var trajectory = input.Trajectory;
ShortcutProvider.Init(input, output, false);
LinkedList <TPoint2D> prevShortestPath = null;
for (var level = input.NumLevels; level >= 1; level--)
{
var epsilon = input.GetEpsilon(level);
var levelShortcuts = ShortcutProvider.GetShortcuts(level, epsilon);
LinkedList <TPoint2D> shortestPath;
if (prevShortestPath == null)
{
var pointPath = ShortestPathProvider.FindShortestPath(levelShortcuts, trajectory.First(), trajectory.Last());
shortestPath = pointPath.Points;
}
else
{
shortestPath = new LinkedList <TPoint2D>();
var prevPoint = trajectory.First();
foreach (var point in prevShortestPath)
{
if (point == trajectory.First())
{
continue;
}
var pointPath = ShortestPathProvider.FindShortestPath(levelShortcuts, prevPoint, point);
foreach (var p in pointPath.Points)
{
shortestPath.AddLast(p);
}
prevPoint = point;
}
}
shortestPath.AddFirst(trajectory.First());
var newTrajectory = new Trajectory2D(shortestPath);
//report shortest path
//output.LogObject("Level Shortest Path", levelTrajectory);
output.LogLine("Level " + level + " trajectory found. Length: " + newTrajectory.Count);
output.SetTrajectoryAtLevel(level, newTrajectory);
prevShortestPath = shortestPath;
ShortcutProvider.SetSearchIntervals(shortestPath);
}
}
public override void Compute(MSInput input, out MSOutput output)
{
output = new MSOutput();
var trajectory = input.Trajectory;
ShortcutProvider.Init(input, output, false);
ICollection <TPoint2D> prevShortestPath = trajectory;
for (var level = 1; level <= input.NumLevels; level++)
{
var epsilon = input.GetEpsilon(level);
var levelShortcuts = ShortcutProvider.GetShortcuts(level, epsilon);
var levelShortestPath = ShortestPathProvider.FindShortestPath(levelShortcuts, trajectory.First(), trajectory.Last()).Points;
levelShortestPath.AddFirst(trajectory.First());
//O(n)
var levelTrajectory = new Trajectory2D(levelShortestPath);
//O(n)
var levelShortestPathSet = new HashSet <TPoint2D>(levelShortestPath);
//report level trajectory
output.SetTrajectoryAtLevel(level, levelTrajectory);
//prune shortcutgraph and shortcuts
//only consider points that are not the first/last
foreach (var point in prevShortestPath)
{
//O(1)
if (!levelShortestPathSet.Contains(point))
{
//remove shortcuts from shortcut set
ShortcutProvider.RemovePoint(point);
}
}
prevShortestPath = levelShortestPath;
}
}
public override void Compute(MSInput input, out MSOutput output)
{
output = new MSOutput();
var trajectory = input.Trajectory;
ShortcutProvider.Init(input, output, false);
for (var level = 1; level <= input.NumLevels; level++)
{
var epsilon = input.GetEpsilon(level);
var levelShortcuts = ShortcutProvider.GetShortcuts(level, epsilon);
var shortestPath = ShortestPathProvider.FindShortestPath(levelShortcuts, trajectory.First(), trajectory.Last()).Points;
shortestPath.AddFirst(trajectory.First());
//O(n)
var levelTrajectory = new Trajectory2D(shortestPath);
output.SetTrajectoryAtLevel(level, levelTrajectory);
}
}
public override void Compute(MSInput input, out MSOutput output)
{
output = new MSOutput();
var trajectory = input.Trajectory;
ShortcutProvider.Init(input, output, false);
var onDemandShortcutProvider = (ShortcutsOnDemand)ShortcutProvider;
var prevTrajectory = trajectory;
for (var level = 1; level <= input.NumLevels; level++)
{
var epsilon = input.GetEpsilon(level);
var shortcutAlgo = onDemandShortcutProvider.Algorithm;
var shortcutInput = new MSSInput(prevTrajectory, new List <double> {
epsilon
});
MSSOutput shortcutOutput;
shortcutAlgo.Compute(shortcutInput, out shortcutOutput);
var levelShortcuts = shortcutOutput.GetShortcuts(1);
output.LogObject("Number of shortcuts found on level " + level, levelShortcuts.Count);
var levelShortestPath = ShortestPathProvider.FindShortestPath(levelShortcuts, prevTrajectory.First(), prevTrajectory.Last()).Points;
levelShortestPath.AddFirst(prevTrajectory.First());
//O(n)
var levelTrajectory = new Trajectory2D(levelShortestPath);
//report level trajectory
output.SetTrajectoryAtLevel(level, levelTrajectory);
prevTrajectory = levelTrajectory;
}
}
