| | |
| | | |
| | | CopeTerrain(terrainFile, outPath, layer); |
| | | CopeWater(waterPath, outPath, layer); |
| | | //CopeFlow(flowPath, outPath, layer); |
| | | CopeFlow(flowPath, outPath, layer); |
| | | CopeLayerJson(outPath, layer); |
| | | |
| | | if (Directory.Exists(temp)) Directory.Delete(temp, true); |
| | |
| | | { |
| | | string tif = Path.Combine(tempPath, DateTime.Now.Ticks.ToString() + ".tif"); |
| | | //Resample(ds.GetDescription(), tif, sizes[0], sizes[1]); |
| | | Resample(ds, tif, sizes[0], sizes[1]); |
| | | Resample(ds, tif, sizes[0], sizes[1], layer); |
| | | if (!File.Exists(tif)) continue; |
| | | |
| | | string png = Path.Combine(terrainPath, sizes[0] + "_" + sizes[1] + ".png"); |
| | |
| | | /// <summary> |
| | | /// 重采样 |
| | | /// </summary> |
| | | private static void Resample(Dataset ds, string dest, int width, int height) |
| | | private static void Resample(Dataset ds, string dest, int width, int height, Domain.Layer layer) |
| | | { |
| | | // https://blog.51cto.com/u_16099346/6691820 |
| | | //string args = string.Format("-t_srs {0} -ts {1} {2} -r {3} -of {4}", "EPSG:4326", width, height, "bilinear", "GTiff"); |
| | |
| | | "-ts", |
| | | width.ToString(), |
| | | height.ToString(), |
| | | "-te", |
| | | layer.extension.minx.ToString(), |
| | | layer.extension.miny.ToString(), |
| | | layer.extension.maxx.ToString(), |
| | | layer.extension.maxy.ToString(), |
| | | "-r", |
| | | "bilinear", |
| | | "-of", |
| | |
| | | { |
| | | string fileName = Path.GetFileNameWithoutExtension(ds.GetDescription()) + "_" + sizes[0] + "_" + sizes[1]; |
| | | string tif = Path.Combine(tempPath, fileName + ".tif"); |
| | | Resample(ds.GetDescription(), tif, sizes[0], sizes[1]); |
| | | Resample(ds, tif, sizes[0], sizes[1], layer); |
| | | if (!File.Exists(tif)) continue; |
| | | |
| | | string png = Path.Combine(waterPath, sizes[0] + "_" + sizes[1] + ".png"); |
| | |
| | | List<string> vyFiles = GetFiles(flowPath, "vy"); |
| | | if (null == vxFiles || null == vyFiles || vxFiles.Count != vyFiles.Count || vxFiles.Count != layer.waters.data.Count) return; |
| | | |
| | | //Parallel.For(0, vxFiles.Count, i => |
| | | for (int i = 0; i < vxFiles.Count; i++) |
| | | Parallel.For(0, vxFiles.Count, i => |
| | | //for (int i = 0; i < vxFiles.Count; i++) |
| | | { |
| | | Dataset vxDs = null, vyDs = null; |
| | | try |
| | |
| | | if (null != vxDs) vxDs.Dispose(); |
| | | if (null != vyDs) vyDs.Dispose(); |
| | | } |
| | | }//); |
| | | }); |
| | | } |
| | | |
| | | /// <summary> |
| | |
| | | { |
| | | string vxName = Path.GetFileNameWithoutExtension(vxDs.GetDescription()) + "_" + sizes[0] + "_" + sizes[1]; |
| | | string vxTif = Path.Combine(tempPath, vxName + ".tif"); |
| | | Resample(vxDs.GetDescription(), vxTif, sizes[0], sizes[1]); |
| | | Resample(vxDs, vxTif, sizes[0], sizes[1], layer); |
| | | |
| | | string vyName = Path.GetFileNameWithoutExtension(vyDs.GetDescription()) + "_" + sizes[0] + "_" + sizes[1]; |
| | | string vyTif = Path.Combine(tempPath, vyName + ".tif"); |
| | | Resample(vyDs.GetDescription(), vyTif, sizes[0], sizes[1]); |
| | | Resample(vyDs, vyTif, sizes[0], sizes[1], layer); |
| | | |
| | | if (!File.Exists(vxTif) || !File.Exists(vyTif)) continue; |
| | | |
| | |
| | | double max = vxMm[1] > vyMm[1] ? vxMm[1] : vyMm[1]; |
| | | double perHeight = (max - min) / 255; |
| | | |
| | | CreateFlowPng(vxBuffer, vyBuffer, perHeight, png, width, height); |
| | | CreateFlowPng(vxBuffer, vyBuffer, min, perHeight, png, width, height); |
| | | } |
| | | finally |
| | | { |
| | |
| | | /// <summary> |
| | | /// 创建流速流向PNG |
| | | /// </summary> |
| | | private static void CreateFlowPng(float[] vxBuffer, float[] vyBuffer, double perHeight, string png, int width, int height) |
| | | private static void CreateFlowPng(float[] vxBuffer, float[] vyBuffer, double minHeight, double perHeight, string png, int width, int height) |
| | | { |
| | | Bitmap image = new Bitmap(width, height); |
| | | Graphics graphic = Graphics.FromImage(image); |
| | |
| | | float fx = GetFloatValue(vxBuffer[offset]); |
| | | float fy = GetFloatValue(vyBuffer[offset]); |
| | | |
| | | double dv = GetXyValue(fx, fy); |
| | | double dx = float.IsNaN(fx) ? 0 : fx * 0.5 + 0.5; |
| | | double dy = float.IsNaN(fy) ? 0 : fy * 0.5 + 0.5; |
| | | double rv = GetRVal(fx, fy); |
| | | double dv = GetXyValue(fx, fy, rv); |
| | | int r = Convert.ToInt32(double.IsNaN(dv) || dv == 0 ? 0 : (dv * 0.5 + 0.5) * 255); |
| | | if (r < 0 || r > 255) r = 255; |
| | | |
| | | int r = Convert.ToInt32(dv * 255); |
| | | if (r > 255) |
| | | { |
| | | r = 255; |
| | | } |
| | | int g = Convert.ToInt32(dx * 255); |
| | | int b = Convert.ToInt32(dy * 255); |
| | | //int g = Convert.ToInt32((float.IsNaN(fx) ? 0 : fx * 0.5 + 0.5) * 255); |
| | | //int b = Convert.ToInt32((float.IsNaN(fy) ? 0 : fy * 0.5 + 0.5) * 255); |
| | | int g = float.IsNaN(fx) ? 0 : Convert.ToInt32((fx - minHeight) / perHeight); |
| | | int b = float.IsNaN(fy) ? 0 : Convert.ToInt32((fy - minHeight) / perHeight); |
| | | if (g < 0 || g > 255) g = 255; |
| | | if (b < 0 || b > 255) b = 255; |
| | | |
| | | Color color = Color.FromArgb(127, r, g, b); |
| | | image.SetPixel(x, y, color); |
| | |
| | | /// </summary> |
| | | private static float GetFloatValue(float val) |
| | | { |
| | | //return (float.IsNaN(val) || val < -999) ? float.NaN : val; |
| | | if (float.IsNaN(val) || val < -999) return float.NaN; |
| | | //if (val > 1) return 1; |
| | | //if (val < -1) return -1; |
| | | return (float.IsNaN(val) || val < -999) ? float.NaN : val; |
| | | } |
| | | |
| | | return val; |
| | | /// <summary> |
| | | /// 获取R值 |
| | | /// </summary> |
| | | private static double GetRVal(float fx, float fy) |
| | | { |
| | | if (float.IsNaN(fx) && float.IsNaN(fy)) return 1.0; |
| | | |
| | | if (float.IsNaN(fx)) return Math.Abs(fy); |
| | | |
| | | if (float.IsNaN(fy)) return Math.Abs(fx); |
| | | |
| | | return Math.Sqrt(Math.Pow(fx, 2) + Math.Pow(fy, 2)); |
| | | } |
| | | |
| | | /// <summary> |
| | | /// 获取XY值 |
| | | /// </summary> |
| | | private static double GetXyValue(float fx, float fy) |
| | | private static double GetXyValue(float fx, float fy, double rv) |
| | | { |
| | | if (float.IsNaN(fx) && float.IsNaN(fy)) |
| | | { |
| | | return 0; |
| | | } |
| | | if ((float.IsNaN(fx) && float.IsNaN(fy)) || double.IsNaN(rv)) return 0; |
| | | |
| | | if (float.IsNaN(fx)) |
| | | { |
| | | return Math.Abs(fy); |
| | | return fy / rv; |
| | | } |
| | | if (float.IsNaN(fy)) |
| | | { |
| | | return Math.Abs(fx); |
| | | return fx / rv; |
| | | } |
| | | |
| | | return Math.Sqrt(Math.Pow(fx, 2) + Math.Pow(fy, 2)); |
| | | double v = Math.Sqrt(Math.Pow(fx / rv, 2) + Math.Pow(fy / rv, 2)); |
| | | |
| | | return (fx > 0 && fy > 0) || (fx < 0 && fy < 0) ? v : -v; |
| | | } |
| | | #endregion |
| | | |