public ClipmapTerrainManager(MultipleEffect3DEngine engine, Effect effect)
{
this.engine = engine;
this.effect = effect;
WidthInTiles = 1;
WidthOfTiles = 256;
TerrainFetcher = new Srtm3TextureFetcher();
StartingLongLat = new PointF(174, -37);
TextureVariableName = "HiresTexture";
engine.InitializationComplete += (o, e) => { OnInitComplete(); };
engine.PreRendering += (o, e) => { OnPreRender(); };
engine.PostRendering += (o, e) => OnPostRender();
engine.CameraChanged += (o, e) => { OnCameraChanged(e); };
}
public void TestStrm3()
{
latLongRegion = new RectangleF(lng - w * 0.5f, lat - h * 0.5f, w, h);
long t0 = System.Environment.TickCount;
long t1 = System.Environment.TickCount;
TerrainHeightTextureFetcher fetcher = new Srtm3TextureFetcher();
terrain = fetcher.FetchTerrain(latLongRegion);
t0 = t1; t1 = System.Environment.TickCount;
Console.WriteLine("Load: "+((t1-t0)/10));
Image img = ImagingFunctions.CreateImageFromArray(terrain, ImagingFunctions.HsvColourMap(256));
t0 = t1; t1 = System.Environment.TickCount;
Console.WriteLine("Copy Image: " + ((t1 - t0) / 10));
ImagingFunctions.SaveAndDisplayImage(img, "terrainFetch.png");
t0 = t1; t1 = System.Environment.TickCount;
Console.WriteLine("Save and show: " + ((t1 - t0) / 10));
}
private void FetchHiresTerrain()
{
TerrainHeightTextureFetcher fetcher = new Srtm3TextureFetcher();
Vector2 terrainLocation = new Vector2((float)MathExtensions.Round(initialTerrainLocation.X, 0.125), (float)MathExtensions.Round(initialTerrainLocation.Y, 0.125));
hiresTerrain = fetcher.FetchTerrain(GetCentredSquareRectangle(terrainLocation, DegreesToWorldUnits(0.5) / 1200.0f));
TerrainEffect.WriteHiresTexture(hiresTerrain);
TerrainEffect.TerrainCentreLocation = new Vector2();// DegreesToWorldUnits(initialCameraLocation);
}
public void TestStrm3PixelRegion()
{
PointF longLat = new PointF(lng, lat);
TerrainHeightTextureFetcher fetcher = new Srtm3TextureFetcher();
Rectangle region = new Rectangle(0, 0, 1000, 1500);
terrain = fetcher.FetchTerrain(longLat, region);
Image img = ImagingFunctions.CreateImageFromArray(terrain, ImagingFunctions.HsvColourMap(256));
ImagingFunctions.SaveAndDisplayImage(img, "terrainFetchPixel030.png");
region = new Rectangle(0, 1500, 1000, 1500);
terrain = fetcher.FetchTerrain(longLat, region);
img = ImagingFunctions.CreateImageFromArray(terrain, ImagingFunctions.HsvColourMap(256));
ImagingFunctions.SaveAndDisplayImage(img, "terrainFetchPixel032.png");
}
