public Texture GenerateTexture(Size size, DataArea area, Device gDevice, GDALReader dataSrc) { Texture texture = new Texture(gDevice, size.Width, size.Height, 0, Usage.None, Format.A8R8G8B8, Pool.Managed); lock (this) { // find bands to use int r, g, b; dataSrc.Info.GetRGABands(out r, out g, out b); Size nativeSz = dataSrc.Info.Resolution; Band rBand = dataSrc.GetRasterBand(r + 1); Band gBand = dataSrc.GetRasterBand(g + 1); Band bBand = dataSrc.GetRasterBand(b + 1); // Note: This *should* work rData = new byte[nativeSz.Width * nativeSz.Height]; gData = new byte[nativeSz.Width * nativeSz.Height]; bData = new byte[nativeSz.Width * nativeSz.Height]; rBand.ReadRaster(0, 0, nativeSz.Width, nativeSz.Height, rData, nativeSz.Width, nativeSz.Height, 0, 0); gBand.ReadRaster(0, 0, nativeSz.Width, nativeSz.Height, gData, nativeSz.Width, nativeSz.Height, 0, 0); bBand.ReadRaster(0, 0, nativeSz.Width, nativeSz.Height, bData, nativeSz.Width, nativeSz.Height, 0, 0); ftScaleTemp = new SizeF(1, 1);// (float)area.Area.Width / area.DataSize.Width, (float)area.Area.Height / area.DataSize.Height); ftScaleTemp = new SizeF(ftScaleTemp.Width * area.Area.Width, ftScaleTemp.Height * area.Area.Height); ftShiftTemp = new Size(area.Area.Location); ftNativeSz = nativeSz; if (area.Data is byte[]) TextureLoader.FillTexture(texture, FillTextureByte); /*else if (area.Data is float[]) TextureLoader.FillTexture(texture, FillTextureFloat);*/ } return texture; }
/// <summary> /// Initializes a new instance of the DigitalElevationMap class. /// </summary> /// <param name="mapSize">Size of the map</param> /// <param name="rDb"></param> /// <param name="devIf"></param> /// <param name="reader"></param> public DigitalElevationMap(Size mapSize, RasterDatabase.RasterDatabase rDb, DeviceInterface devIf, GDALReader reader) : base(new Vector3(-5f, -0.5f, -5f), new Vector3(5f, 1f, 5f)) { this.mapSize = mapSize; maxDimension = mapSize.Width > mapSize.Height ? mapSize.Width : mapSize.Height; this.rDb = rDb; this.devIf = devIf; this.reader = reader; axisHelper = new Axis3DHelper(new Vector3(2.5f, 0.5f, 2.5f)); rotAxisHelper = new RotationAxis3DHelper(new Vector3()); }
public static Bitmap SampleRGBDiffuseMap(GDALReader dataSrc, Size size) { // find bands to use int r, g, b; dataSrc.Info.GetRGABands(out r, out g, out b); Size nativeSz = dataSrc.Info.Resolution; Band rBand = dataSrc.GetRasterBand(r + 1); Band gBand = dataSrc.GetRasterBand(g + 1); Band bBand = dataSrc.GetRasterBand(b + 1); // Note: This *should* work byte[] rData = new byte[size.Width * size.Height]; byte[] gData = new byte[size.Width * size.Height]; byte[] bData = new byte[size.Width * size.Height]; rBand.ReadRaster(0, 0, nativeSz.Width, nativeSz.Height, rData, size.Width, size.Height, 0, 0); gBand.ReadRaster(0, 0, nativeSz.Width, nativeSz.Height, gData, size.Width, size.Height, 0, 0); bBand.ReadRaster(0, 0, nativeSz.Width, nativeSz.Height, bData, size.Width, size.Height, 0, 0); // combine channel samples into image Bitmap bitmap = new Bitmap(size.Width, size.Height, PixelFormat.Format24bppRgb); BitmapData data = bitmap.LockBits(new Rectangle(new Point(), size), ImageLockMode.WriteOnly, PixelFormat.Format24bppRgb); unsafe { // write data to each pixel Bitmap24bitRGBPixel* pixels = (Bitmap24bitRGBPixel*)data.Scan0; for (int i = 0; i < rData.Length; i++) { pixels->R = bData[i]; pixels->G = gData[i]; pixels->B = rData[i]; pixels++; } } bitmap.UnlockBits(data); return bitmap; }
public void LoadVisualization(DataProfile dataProfile, DataProfile.SubProfile subProfile, IDataSourceReader dataSrcReader, DataSourceInfo dataSrcInfo) { renderFrame = true; renderingThread.Start(); controlStatus = ControlStatus.Loading; rContext.LoadingLayer.SetProgress(0); rContext.LoadingLayer.SetText("Loading... DEM Geometry"); rContext.LoadingLayer.Visible = true; Render(); // load data from dlg into database database = new RasterDatabase.RasterDatabase(); object filteredData = subProfile.Filter.FilterData(dataSrcReader); if (filteredData is byte[]) { DataLayer dataLayer = new DataLayer("DEM", 8, "byte"); dataLayer.AddArea(new ByteArea(new Rectangle(new Point(), dataSrcReader.Info.Resolution), new RectangleF(0, 0, 1, 1), (byte[])filteredData, dataSrcReader.Info.Resolution)); database.AddLayer(dataLayer); } else if (filteredData is float[]) { DataLayer dataLayer = new DataLayer("DEM", 32, "float"); dataLayer.AddArea(new FloatArea(new Rectangle(new Point(), dataSrcReader.Info.Resolution), new RectangleF(0, 0, 1, 1), (float[])filteredData, dataSrcReader.Info.Resolution)); database.AddLayer(dataLayer); } // load data source(s) DataSourceItem item = new DataSourceItem(dataSrcInfo.BppType, (Bitmap)PreviewRasterizer.DrawRotatedBandPreview(dataSrcInfo.Bands, 64, dataSrcInfo)); heightDataSrcs.Add(item); // load diffuse sources // grey-scale for height GreyScaleDEMSampler srcImgSampler = new GreyScaleDEMSampler(); Bitmap srcImg = srcImgSampler.GenerateBitmap(new Size(64, 64), database.Layers[0].Areas[0]); item = new DataSourceItem("Height", srcImg); item.DEMSampler = srcImgSampler; //(Bitmap)PreviewRasterizer.DrawRotatedBandPreview(new DataSourceInfo.DataBandInfo[] { new DataSourceInfo.DataBandInfo("Source", srcImg) }, //64, null)); diffuseDataSrcs.Add(item); // load colour image if possible as other source (i.e the original if an RGB img) if (dataSrcReader.Info.SupportsRGB()) { item = new DataSourceItem("SourceRGB", SourceDataDiffuseSampler.SampleRGBDiffuseMap((GDALReader)dataSrcReader, new Size(64, 64))); diffuseDataSrcs.Add(item); reader = (GDALReader)dataSrcReader; } // height band range HeightBandRange hbr = new HeightBandRange(); hbr.AddBand(0, Color.DarkGreen); hbr.AddBand(0.25f, Color.Blue); hbr.AddBand(0.4f, Color.DarkGreen); hbr.AddBand(0.5f, Color.Green); hbr.AddBand(0.8f, Color.Gray); hbr.AddBand(1, Color.White); HeightBandDEMSampler hBandSampler = new HeightBandDEMSampler(hbr); item = new DataSourceItem("HeightBands", hBandSampler.GenerateBitmap(new Size(64, 64), database.Layers[0].Areas[0])); item.DEMSampler = hBandSampler; diffuseDataSrcs.Add(item); // load database into visualization dem = new DigitalElevationMap(database.Area.Size, database, rContext.DevIf, (GDALReader)dataSrcReader/*, hBandSampler.GenerateBitmap(new Size(512, 512), database.Layers[0].Areas[0])*/ ); rContext.SetDEM(dem); // setup geometry layers geometryLayers.Add(new GeometryVisLayer("Diffuse", item.Thumbnail, true)); geometryLayers.Add(new GeometryVisLayer("Overlay Grid", null, true)); rContext.DevIf.LocalSettings["GeometryVisLayer.Diffuse"] = geometryLayers[0]; rContext.DevIf.LocalSettings["GeometryVisLayer.Overlay"] = geometryLayers[1]; // now load default texture SetDiffuseSource(0); rContext.LoadingLayer.SetProgress(100); Render(); Thread.Sleep(500); rContext.LoadingLayer.Visible = false; controlStatus = ControlStatus.Idle; Render(); }
public void RebuildDiffuseTextures(GDALReader gdalReader) { //geom.RebuildDiffuseTextures(gdalReader); }
public Texture GenerateTexture(Size size, DataArea area, Device gDevice, GDALReader dataSrc) { Texture texture = new Texture(gDevice, size.Width, size.Height, 0, Usage.None, Format.A8R8G8B8, Pool.Managed); lock (this) { // find bands to use int r, g, b; dataSrc.Info.GetRGABands(out r, out g, out b); Size nativeSz = dataSrc.Info.Resolution; Band rBand = dataSrc.GetRasterBand(r + 1); Band gBand = dataSrc.GetRasterBand(g + 1); Band bBand = dataSrc.GetRasterBand(b + 1); rData = new byte[nativeSz.Width * nativeSz.Height]; gData = new byte[nativeSz.Width * nativeSz.Height]; bData = new byte[nativeSz.Width * nativeSz.Height]; rBand.ReadRaster(0, 0, nativeSz.Width, nativeSz.Height, rData, nativeSz.Width, nativeSz.Height, 0, 0); gBand.ReadRaster(0, 0, nativeSz.Width, nativeSz.Height, gData, nativeSz.Width, nativeSz.Height, 0, 0); bBand.ReadRaster(0, 0, nativeSz.Width, nativeSz.Height, bData, nativeSz.Width, nativeSz.Height, 0, 0); /*ftScaleTemp = new SizeF(1, 1);// (float)area.Area.Width / area.DataSize.Width, (float)area.Area.Height / area.DataSize.Height); ftScaleTemp = new SizeF(ftScaleTemp.Width * area.Area.Width, ftScaleTemp.Height * area.Area.Height); ftShiftTemp = new Size(area.Area.Location); ftNativeSz = nativeSz;*/ ftScaleTemp = new SizeF((float)area.Area.Width / size.Width, (float)area.Area.Height / size.Height); ftShiftTemp = new Size(area.Area.Location); if (area.Data is byte[]) { // to heights //TextureLoader.FillTexture(texture, FillTextureByteToHeights); // generate normal acc ftTexSz = size; //texStream = texture.LockRectangle(0, LockFlags.None); /*Texture normalTex = new Texture(gDevice, size.Width, size.Height, 0, Usage.None, Format.A8R8G8B8, Pool.Managed); TextureLoader.FillTexture(normalTex, FillTextureByteToNormalAcc);*/ heights = new float[size.Width * size.Height]; int index = 0; //SizeF nativeScale = new SizeF((float)nativeSz.Width / size.Width, (float)nativeSz.Height / size.Height); for (int y = 0; y < size.Height; y++) { int yNative = (int)(ftShiftTemp.Height + (y * ftScaleTemp.Width)); for (int x = 0; x < size.Width; x++) { int xNative = (int)(ftShiftTemp.Width + (x * ftScaleTemp.Width)); int indexNative = (yNative * nativeSz.Width) + xNative; float rValue = rData[indexNative] / 255f; float gValue = gData[indexNative] / 255f; float bValue = bData[indexNative] / 255f; heights[index++] = (rValue + gValue + bValue) / 3f; } } /*texture.UnlockRectangle(0); texture.Dispose();*/ // calculate normals Vector3[] normals; GenerateMap(heights, size, out normals); // write to texture texStream = texture.LockRectangle(0, LockFlags.None); foreach (Vector3 normal in normals) { texStream.WriteByte((byte)(((normal.Z / 2) + 0.5f) * 255)); texStream.WriteByte((byte)(((-normal.Y / 2) + 0.5f) * 255)); texStream.WriteByte((byte)(((normal.X / 2) + 0.5f) * 255)); texStream.WriteByte(255); } /*foreach (float height in heights) { texStream.WriteByte(0); texStream.WriteByte((byte)(height * 255)); texStream.WriteByte(0); texStream.WriteByte(255); }*/ texture.UnlockRectangle(0); } return texture; } }