管道基础大数据平台系统开发-【CS】-ExportMap
1
13693261870
2024-07-22 7fb323da219c84d0275e2e1138747899d8cdc40a
SimuTools/Tools/Handle.cs
@@ -9,7 +9,6 @@
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SimuTools.Tools
@@ -36,7 +35,7 @@
            if (!Directory.Exists(temp)) Directory.CreateDirectory(temp);
            CopeTerrain(terrainFile, outPath, layer);
            //CopeWater(waterPath, outPath, layer);
            CopeWater(waterPath, outPath, layer);
            CopeFlow(flowPath, outPath, layer);
            CopeLayerJson(outPath, layer);
@@ -184,7 +183,7 @@
        /// <summary>
        /// Tif值转存至Png
        /// </summary>
        private static void Tif2Png(Domain.Layer layer, string tif, string png, int width, int height)
        private static void Tif2Png(Domain.Layer layer, string tif, string png, int width, int height, int heightOffset = 0)
        {
            Dataset ds = null;
            try
@@ -200,22 +199,16 @@
                Graphics graphic = Graphics.FromImage(image);
                graphic.Clear(Color.Transparent); // 填充透明色
                //double perHeight = (layer.extension.maxHeight - layer.extension.minHeight) * 100 / 65536;
                //int val = Convert.ToInt32(buffer[x * y]* 100); //Convert.ToInt32((buffer[x * y] - layer.extension.minHeight) * 100);
                //int val = Convert.ToInt32((buffer[x * y] - layer.extension.minHeight) * 100 / perHeight);
                double perHeight = (layer.extension.maxHeight - layer.extension.minHeight + heightOffset) * 100 / 65536;
                for (int x = 0; x < width; x++)
                {
                    for (int y = 0; y < height; y++)
                    {
                        int offset = x + y * width;
                        if (float.IsNaN(buffer[offset]) || buffer[offset] < -999)
                        {
                            //image.SetPixel(x, y, Color.Transparent);
                            continue;
                        }
                        if (float.IsNaN(buffer[offset]) || buffer[offset] < -999) continue;
                        int val = Convert.ToInt32(buffer[offset] * 100);
                        //int val = Convert.ToInt32(buffer[offset] * 100);
                        int val = Convert.ToInt32((buffer[offset] - layer.extension.minHeight + heightOffset) * 100 / perHeight);
                        int r = val / 65536;
                        int g = (val - r * 65536) / 256;
                        int b = val % 256;
@@ -224,7 +217,6 @@
                        image.SetPixel(x, y, color);
                    }
                }
                image.Save(png, System.Drawing.Imaging.ImageFormat.Png);
            }
            finally
@@ -247,6 +239,14 @@
            SetWaterData(layer, files);
            if (files.Count != layer.waters.data.Count) return;
            //ProcessWaters(files, outPath, layer);
        }
        /// <summary>
        /// 处理水面数据
        /// </summary>
        private static void ProcessWaters(List<string> files, string outPath, Domain.Layer layer)
        {
            /*for (int i = 0, c = files.Count; i < c; i++)
            {
                Dataset ds = null;
@@ -300,7 +300,7 @@
                }
                string png = Path.Combine(waterPath, sizes[0] + "_" + sizes[1] + ".png");
                Tif2Png(layer, tif, png, sizes[0], sizes[1]);
                Tif2Png(layer, tif, png, sizes[0], sizes[1], 1);
            }
        }
@@ -350,11 +350,13 @@
            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++)
            {
                Dataset vxDs = null, vyDs = null;
                try
                {
                    vxDs = Gdal.Open(vxFiles[i], Access.GA_ReadOnly);
                    vyDs = Gdal.Open(vyFiles[i], Access.GA_ReadOnly);
                    if (null == vxDs || 0 == vxDs.RasterCount || null == vxDs.GetSpatialRef() ||
                        null == vyDs || 0 == vyDs.RasterCount || null == vyDs.GetSpatialRef()) return;
@@ -411,34 +413,14 @@
                vxDs.GetRasterBand(1).ReadRaster(0, 0, width, height, vxBuffer, width, height, 0, 0);
                vyDs.GetRasterBand(1).ReadRaster(0, 0, width, height, vyBuffer, width, height, 0, 0);
                Bitmap image = new Bitmap(width, height);
                Graphics graphic = Graphics.FromImage(image);
                graphic.Clear(Color.Transparent); // 填充透明色
                //double[] vxMm = new double[2];
                //vxDs.GetRasterBand(1).ComputeRasterMinMax(vxMm, 0);
                //double[] vyMm = new double[2];
                //vyDs.GetRasterBand(1).ComputeRasterMinMax(vyMm, 0);
                //double min = vxMm[0] < vyMm[0] ? vxMm[0] : vyMm[0];
                //double max = vxMm[1] > vyMm[1] ? vxMm[1] : vyMm[1];
                // 用 R通道表示,流向为归一化的二维向量(x,y),G通道表示为 x *255 , B通道表示为 y * 255
                for (int x = 0; x < width; x++)
                {
                    for (int y = 0; y < height; y++)
                    {
                        int offset = x + y * width;
                        if (float.IsNaN(vxBuffer[offset]) || vxBuffer[offset] < -999 ||
                            float.IsNaN(vyBuffer[offset]) || vyBuffer[offset] < -999) continue;
                        float vx = vxBuffer[offset], vy = vyBuffer[offset];
                        //int val = Convert.ToInt32(vxBuffer[offset] * 100);
                        //int r = val / 65536;
                        //int g = (val - r * 65536) / 256;
                        //int b = val % 256;
                        int r = 0;
                        int g = 0;
                        int b = 0;
                        Color color = Color.FromArgb(127, r, g, b);
                        image.SetPixel(x, y, color);
                    }
                }
                image.Save(png, System.Drawing.Imaging.ImageFormat.Png);
                CreateFlowPng(vxBuffer, vyBuffer, png, width, height);
            }
            finally
            {
@@ -448,6 +430,71 @@
                if (File.Exists(vyTif)) File.Delete(vyTif);
            }
        }
        /// <summary>
        /// 创建流速流向PNG
        /// </summary>
        private static void CreateFlowPng(float[] vxBuffer, float[] vyBuffer, string png, int width, int height)
        {
            Bitmap image = new Bitmap(width, height);
            Graphics graphic = Graphics.FromImage(image);
            graphic.Clear(Color.Transparent); // 填充透明色
            // 用 R通道表示,流向为归一化的二维向量(x,y),G通道表示为 x *255 , B通道表示为 y * 255
            for (int x = 0; x < width; x++)
            {
                for (int y = 0; y < height; y++)
                {
                    int offset = x + y * width;
                    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;
                    int r = Convert.ToInt32(dv * 255);
                    if (r > 255) r = 255;
                    int g = Convert.ToInt32(dx * 255);
                    int b = Convert.ToInt32(dy * 255);
                    Color color = Color.FromArgb(127, r, g, b);
                    image.SetPixel(x, y, color);
                }
            }
            image.Save(png, System.Drawing.Imaging.ImageFormat.Png);
        }
        /// <summary>
        /// 获取Float值
        /// </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 val;
        }
        private static double GetXyValue(float fx, float fy)
        {
            if (float.IsNaN(fx) && float.IsNaN(fy))
            {
                return 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));
        }
        #endregion
        #region 元数据