private void GenerateContourMap()
{
Surfer.Application app = new Surfer.Application();
IDocuments docs = app.Documents;
IPlotDocument Doc = (IPlotDocument)docs.Add(SrfDocTypes.srfDocPlot); //創建一個空白繪圖文檔
IShapes Shapes = Doc.Shapes;
#region 添加等值面
IMapFrame contourMapFrame = Shapes.AddContourMap(path + "temp.grd"); //加載網格文件
for (int i = 1; i <= contourMapFrame.Axes.Count; i++)
{
contourMapFrame.Axes.Item(i).Visible = false;
contourMapFrame.Axes.Item(i).MajorTickType = SrfTickType.srfTickNone;
contourMapFrame.Axes.Item(i).ShowLabels = false;
}
contourMapFrame.SetLimits(xMin: 140000, //x最小值
xMax: 370000, //x最大者
yMin: 2400000, //y最小值
yMax: 2800000 //y最大值
);
contourMapFrame.xMapPerPU = 23000; //設置比例
contourMapFrame.yMapPerPU = 20000; //設置比例
IContourMap contourMap = (IContourMap)contourMapFrame.Overlays.Item(1);
/*
* contourMap.ShowColorScale = true; // 顯示對應色柱
* contourMap.ColorScale.Top = 10; //色柱y方向位置
* contourMap.ColorScale.Left = contourMap.Left + contourMap.Width + 0.8;//色柱x方向位置
* contourMap.ColorScale.Width = 1; //色柱寬度
* contourMap.ColorScale.Height = 10; //色柱高度
* contourMap.ColorScale.LabelFont.Size = 10;
* contourMap.ColorScale.LabelFont.Face = "Time New Roman";
* contourMap.ColorScale.LabelFrequency = 1;
* contourMap.ColorScale.Name = "PM2.5 (μg/m3)";
*/
contourMap.FillContours = true; //添加顏色填充
//通過文件加載顏色
ILevels levels = contourMap.Levels;
levels.LoadFile(path + "PM25.lvl");
//加載系統顏色
//contourMap.FillForegroundColorMap.LoadFile(path + "Rainbow.clr");
//contourMap.ApplyFillToLevels(1, 1, 0);
//使用灰色
//contourMap.Levels.AutoGenerate(contourMap.Grid.zMin,contourMap.Grid.zMax,10);
for (int i = 0; i < contourMap.Levels.Count; i++)
{
contourMap.Levels.Item(i + 1).ShowLabel = false; //顯示等值線上的數值
contourMap.Levels.Item(i + 1).ShowHach = false; //
contourMap.Levels.Item(i + 1).Line.Style = "Invisible"; //不顯示線
}
contourMap.SmoothContours = SrfConSmoothType.srfConSmoothNone; //平滑等值線邊界當前設置不平滑
#endregion
#region 添加邊界
//後添加的會覆蓋在先前添加的圖片之上
IMapFrame boundryMapFrame = Shapes.AddBaseMap(path + "city.shp", "Defaults=1");
for (int i = 1; i <= boundryMapFrame.Axes.Count; i++)
{
boundryMapFrame.Axes.Item(i).Visible = false; //隱藏軸線
boundryMapFrame.Axes.Item(i).MajorTickType = SrfTickType.srfTickNone; //隱藏邊線
boundryMapFrame.Axes.Item(i).ShowLabels = false; //隱藏軸線上的坐標
}
boundryMapFrame.SetLimits(xMin: 140000, //x最小值
xMax: 370000, //x最大者
yMin: 2400000, //y最小值
yMax: 2800000 //y最大值
);
boundryMapFrame.xMapPerPU = 23000;
boundryMapFrame.yMapPerPU = 20000;
IBaseMap boundryBaseMap = (IBaseMap)boundryMapFrame.Overlays.Item(1);
boundryBaseMap.Line.Width = 0.001; //設置邊線寬度
#endregion
string strWH = string.Format("width = {0:f0}, height = {1:f0}, KeepAspect = 1, ColorDepth = 32", 680, 1280); //設置輸出圖片的高度和寬度
Doc.Export2(path + "Image.png", SelectionOnly: false, Options: strWH, FilterId: "png"); //設置輸出圖片格式名
Doc.Close(SrfSaveTypes.srfSaveChangesNo); //不生成srf文件
app.Quit();
System.GC.Collect(System.GC.GetGeneration(app));
}
private void DatToGrid(string algorithmText)
{
//determine algorithm
Surfer.SrfGridAlgorithm algorithm = new Surfer.SrfGridAlgorithm();
switch (algorithmText)
{
case "InverseDistance":
algorithm = Surfer.SrfGridAlgorithm.srfInverseDistance;
break;
case "Kriging":
algorithm = Surfer.SrfGridAlgorithm.srfKriging;
break;
case "LocalPolynomial":
algorithm = Surfer.SrfGridAlgorithm.srfLocalPolynomial;
break;
case "MinCurvature":
algorithm = Surfer.SrfGridAlgorithm.srfMinCurvature;
break;
case "MovingAverage":
algorithm = Surfer.SrfGridAlgorithm.srfMovingAverage;
break;
case "NaturalNeighbor":
algorithm = Surfer.SrfGridAlgorithm.srfNaturalNeighbor;
break;
case "NearestNeighbor":
algorithm = Surfer.SrfGridAlgorithm.srfNearestNeighbor;
break;
case "RadialBasis":
algorithm = Surfer.SrfGridAlgorithm.srfRadialBasis;
break;
case "Regression":
algorithm = Surfer.SrfGridAlgorithm.srfRegression;
break;
case "Shepards":
algorithm = Surfer.SrfGridAlgorithm.srfShepards;
break;
case "Triangulation":
algorithm = Surfer.SrfGridAlgorithm.srfTriangulation;
break;
}
Surfer.Application app = new Surfer.Application();
app.GridData2(DataFile: path + "temp.dat", //数据文件地址
xCol: 1, //x为第一列数据
yCol: 2, //y为第二列数据
zCol: 3, //z为第三列数据
DupMethod: Surfer.SrfDupMethod.srfDupNone,
xMin: 140000, //x最小值
xMax: 370000, //x最大者
yMin: 2400000, //y最小值
yMax: 2800000, //y最大值
Algorithm: algorithm, //插值算法
NumCols: 39, //x方向插值数据量
NumRows: 100, //y方向插值数据量
OutGrid: path + "temp.grd", //返回文件为gridfile
OutFmt: Surfer.SrfGridFormat.srfGridFmtAscii); //返回文件编码为Ascii
app.Quit();
System.GC.Collect(System.GC.GetGeneration(app));
}