public DrawCrossroadCommand(object sender, ForestPaths forestPaths, CrossroadContext context)
{
canvas = (Canvas)sender;
this.forestPaths = forestPaths;
this.context = context;
crossroad = context.Сrossroad;
}
public DrawConnectionCommand(object sender, Ellipse firstEllipse, Ellipse secondEllipse, ForestPaths forestPaths)
{
canvas = (Canvas)sender;
this.forestPaths = forestPaths;
this.firstEllipse = firstEllipse;
this.secondEllipse = secondEllipse;
firstKey = firstEllipse.Name;
secondKey = secondEllipse.Name;
}
public EditTypeCommand(object sender, Ellipse ellipse, ForestPaths forestPaths, CrossroadContext context)
{
canvas = (Canvas)sender;
this.ellipse = ellipse;
this.forestPaths = forestPaths;
key = ellipse.Name;
this.context = context;
drawParams = context.GetDrawInformation();
crossroad = forestPaths.GetCrossroad(key);
newCrossroad = context.Сrossroad;
point = forestPaths.GetCrossroad(key).Position;
DrawParamsInit();
}
public MainWindow()
{
InitializeComponent();
InitializeLegend();
GlobalRangeTree = new TwoDRangeTree <ICrossroad, double>(comparerByX, comparerByY);
using (FileStream fs = new FileStream("./sample.txt", FileMode.Open))
{
BinaryFormatter formatter = new BinaryFormatter();
ForestPaths newForestPath = (ForestPaths)formatter.Deserialize(fs);
GlobalForestPaths.Update(newForestPath);
DrawForrestPaths();
BuildRangeTree();
}
}
public LineBuilder BuildLine(ForestPaths forestPaths, string firstKey, string secondKey)
{
x1 = forestPaths.GetCrossroad(firstKey).Position.X;
y1 = forestPaths.GetCrossroad(firstKey).Position.Y;
x2 = forestPaths.GetCrossroad(secondKey).Position.X;
y2 = forestPaths.GetCrossroad(secondKey).Position.Y;
double weight = forestPaths.GetRoadWeight(firstKey, secondKey);
string formatWeight = string.Format("{0:0.##}", weight);
LineBuilder builder = new LineBuilder();
builder.BuildName($"{firstKey}_{secondKey}");
builder.BuildStroke(Brushes.Gray);
builder.BuildStrokeThickness(3);
builder.BuildCursor(Cursors.Hand);
builder.BuildCoordinates(x1, x2, y1, y2);
builder.BuildToolTip($"{firstKey}_{secondKey} ({formatWeight})");
return(builder);
}
private void OpenButton_Click(object sender, RoutedEventArgs e)
{
BinaryFormatter formatter = new BinaryFormatter();
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";
if (openFileDialog.ShowDialog() == true)
{
using (FileStream fs = new FileStream(openFileDialog.FileName, FileMode.Open))
{
try
{
ForestPaths newForestPath = (ForestPaths)formatter.Deserialize(fs);
GlobalForestPaths.Update(newForestPath);
DrawForrestPaths();
BuildRangeTree();
}
catch (SerializationException)
{
MessageBox.Show($"Unacceptable file", "Error");
}
}
}
}
public static CrossroadDrawInformation GetDrawInformation(this Ellipse ellipse, ForestPaths forestPaths)
{
return(forestPaths.GetCrossroad(ellipse.Name).GetDrawInformation());
}
public static void Unhighlight(this Ellipse ellipse, ForestPaths forestPaths)
{
var drawParams = ellipse.GetDrawInformation(forestPaths);
DrawEllipse(ellipse, drawParams);
}
public EllipseBuilder()
{
Reset();
forestPaths = mainWindow.GlobalForestPaths;
}
public List <ICrossroad> FindWay(ForestPaths forestPaths,
CampCrossroad start, BusStopCrossroad goal)
{
Comparer comparer = new Comparer(estimateFullPathLength);
var openSet = new IntervalHeap <ICrossroad>(comparer);
var closedSet = new List <ICrossroad>();
cameFrom.Add(start, null);
pathLengthFromStart.Add(start, 0);
heuristicEstimatePathLength.Add(start, forestPaths.
GetDistanceBetweenCrossroad(start, goal));
estimateFullPathLength.Add(start, GetEstimateFullPathLength(start));
openSet.Add(start);
while (openSet.Count > 0)
{
ICrossroad current = openSet.DeleteMin();
if (current == goal)
{
return(GetPathForCrossroad(current));
}
closedSet.Add(current);
foreach (var next in forestPaths.GetNextCrossroads(current))
{
double newPathLengthFromStart = pathLengthFromStart[current]
+ forestPaths.GetDistanceBetweenCrossroad(current, next);
if (closedSet.Contains(next))
{
continue;
}
if (!pathLengthFromStart.ContainsKey(next) ||
newPathLengthFromStart < pathLengthFromStart[next])
{
if (!pathLengthFromStart.ContainsKey(next))
{
pathLengthFromStart.Add(next, default);
}
pathLengthFromStart[next] = newPathLengthFromStart;
if (!heuristicEstimatePathLength.ContainsKey(next))
{
heuristicEstimatePathLength.Add(next, forestPaths.
GetDistanceBetweenCrossroad(next, goal));
}
if (!estimateFullPathLength.ContainsKey(next))
{
estimateFullPathLength.Add(next, default);
}
estimateFullPathLength[next] = GetEstimateFullPathLength(next);
if (!cameFrom.ContainsKey(next))
{
cameFrom.Add(next, default);
}
cameFrom[next] = current;
if (!openSet.Contains(next))
{
openSet.Add(next);
}
}
}
}
return(null);
}
public DeleteConnectionCommand(object sender, Line line, ForestPaths forestPaths)
{
canvas = (Canvas)sender;
this.line = line;
this.forestPaths = forestPaths;
}
public DeleteCrossroadCommand(object sender, Ellipse ellipse, ForestPaths forestPaths)
{
canvas = (Canvas)sender;
this.ellipse = ellipse;
this.forestPaths = forestPaths;
}
