OSMServer/Server/Server.cs

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5.1 KiB
C#
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using System.Drawing;
using System.Drawing.Imaging;
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using OSMDatastructure;
using OSMDatastructure.Graph;
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using Pathfinding;
using RenderPath;
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using Region = OSMDatastructure.Region;
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namespace Server;
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public class Server
{
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public static void Main(string[] args)
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{
ConsoleWriter newConsole = new();
Console.SetOut(newConsole);
Console.SetError(newConsole);
string workingDir = "D:/stuttgart-regbez-latest";
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//RegionConverter.ConvertXMLToRegions("D:/stuttgart-regbez-latest.osm", "D:/stuttgart-regbez-latest");
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//RegionConverter.ConvertXMLToRegions("D:/map.osm", "D:/map");
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//RegionConverter.ConvertXMLToRegions("D:/germany-latest.osm", "D:/germany-latest");
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Coordinates start = new (48.7933798f, 9.8275859f);
Coordinates finish = new (48.795918f, 9.021618f);
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TestVariables(workingDir, start, finish, 32);
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/*
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string parentFolder = new DirectoryInfo(workingDir).Parent!.FullName;
Pathfinder result = new Pathfinder(workingDir).AStar(start,
finish, Tag.SpeedType.car, 0.034, 0.012,
0, 0.18);
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Console.WriteLine($"Calc-time {result.pathResult!.calcTime} Path-length: {result.pathResult.pathNodes.Count} Visited-nodes: {result.gScore!.Count}");
string fileName = DateTime.Now.ToFileTime().ToString();
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string resultFileName = $"{new DirectoryInfo(workingDir).Name}-{fileName}.result";
result.SaveResult(Path.Join(parentFolder, resultFileName));
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string renderFileName = $"{new DirectoryInfo(workingDir).Name}-{fileName}.render.png";
Image render = Renderer.DrawPathfinder(result);
#pragma warning disable CA1416
render.Save(Path.Join(parentFolder, renderFileName), ImageFormat.Png);
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#pragma warning restore CA1416*/
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}
private static ValueTuple<Image, Renderer.Bounds> RenderAreaBaseImage(string workingDir, Coordinates c1, Coordinates c2)
{
float minLat = c1.latitude < c2.latitude ? c1.latitude : c2.latitude;
float minLon = c1.longitude < c2.longitude ? c1.longitude : c2.longitude;
float maxLat = c1.latitude > c2.latitude ? c1.latitude : c2.latitude;
float maxLon = c1.longitude > c2.longitude ? c1.longitude : c2.longitude;
RegionManager allRegions = new(workingDir);
for (float lat = minLat - Region.RegionSize; lat < maxLat + Region.RegionSize; lat += Region.RegionSize / 2)
{
for (float lon = minLon - Region.RegionSize; lon < maxLon + Region.RegionSize; lon += Region.RegionSize / 2)
{
allRegions.GetRegion(new Coordinates(lat, lon));
}
}
Console.WriteLine("Regions Loaded. Rendering.");
ValueTuple<Image, Renderer.Bounds> baseRender = Renderer.DrawArea(allRegions);
return baseRender;
}
private static void TestVariables(string workingDir, Coordinates start, Coordinates finish, int threads)
{
string parentFolder = new DirectoryInfo(workingDir).Parent!.FullName;
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RegionManager rm = new (workingDir);
Queue<Thread> calcThreads = new();
for (double sameRoadPriority = 0.02; sameRoadPriority < 0.4; sameRoadPriority += 0.02)
{
for (double roadLevelPriority = 0.4; roadLevelPriority > 0; roadLevelPriority -= 0.02)
{
for (double angleWeightFactor = 0.01; angleWeightFactor < 0.25; angleWeightFactor += 0.01)
{
double priority = roadLevelPriority;
double roadPriority = sameRoadPriority;
double factor = angleWeightFactor;
calcThreads.Enqueue(new Thread(() =>
{
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Pathfinder testresult = new Pathfinder(rm).AStar(start,
finish, Tag.SpeedType.car, priority, roadPriority,
0, factor);
string fileName =
$"angle{factor:0.000}_level{priority:0.000}_same{roadPriority:0.000}.result";
testresult.SaveResult(Path.Join(parentFolder, fileName));
}));
}
}
}
int totalTasks = calcThreads.Count;
int completedTasks = 0;
DateTime startTime = DateTime.Now;
HashSet<Thread> runningThreads = new();
while (calcThreads.Count > 0)
{
while (runningThreads.Count < threads && calcThreads.Count > 0)
{
Thread t = calcThreads.Dequeue();
runningThreads.Add(t);
t.Start();
}
int newCompletedTasks = runningThreads.RemoveWhere(thread => !thread.IsAlive);
completedTasks += newCompletedTasks;
if (newCompletedTasks > 0)
{
TimeSpan elapsedTime = DateTime.Now - startTime;
Console.WriteLine($"To calculate: {calcThreads.Count}/{totalTasks} Time Average: {(elapsedTime)/(completedTasks)} Elapsed: {elapsedTime} Remaining: {(elapsedTime)/(completedTasks)*calcThreads.Count}");
}
}
}
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}