基于等高线算法绘制几何管道，并显示数据

本文主要是基于数值着色与等高线特征，用数值绘制3D等高线网格图。以下是如何利用LightningChart绘制几何管道图并显示数据，以及提供相应的源代码。

此图是结果图例，显示温度冷热程度及数据

以下是绘制此图的源代码

LightningChartUltimate _chart = new LightningChartUltimate();

            _chart.BeginUpdate();

           

            //Create Surface mesh

            _mesh = new SurfaceMeshSeries3D(v, Axis3DBinding.Primary, Axis3DBinding.Primary, Axis3DBinding.Primary);

            //CONTOURS

            _mesh.ContourLineType = ContourLineType3D.ColorLineByValue;

            _mesh.ContourLineWidth = 1.5;

            //WIREFRAME           

            _mesh.WireframeType = SurfaceWireframeType.Wireframe;

            _mesh.WireframeLineStyle.Width = 3;

            _mesh.WireframeLineStyle.Color = Color.FromArgb(20, Color.Black);

            _mesh.WireframeOffset.SetValues(0, 0, 0);

           

            //FILL

            _mesh.ColorSaturation = 80;

            _mesh.Fill = SurfaceFillStyle.PalettedByValue;        

           

            //Discontinuity is caused by surface mesh...end meeting each other, and data is not fluently continous over that.

InitializePalette();

            double[,] x = null;

            double[,] y = null;

            double[,] z = null;

            double[,] values = null;

            CreateGeometryPipe(out x, out y, out z);

            CreateValuesWaterDrops(out values);

            UpdateMesh(x, y, z, values);

            v.SurfaceMeshSeries3D.Add(_mesh);

           

           

            v.YAxisPrimary3D.Units.Text = "°C";

            _chart.EndUpdate();

 

总结

等高线地形图可综合应用于判断通视情况，水系水文特征，气候特征，地形状况与区位的选择(点、线、面 )。此3D几何图是用来判断气候特征的，非常直观。