LightningChart.NET完全由GPU加速，并且性能經(jīng)過優(yōu)化，可用于實(shí)時顯示海量數(shù)據(jù)-超過10億個數(shù)據(jù)點(diǎn)。 LightningChart包括廣泛的2D，高級3D，Polar，Smith，3D餅/甜甜圈，地理地圖和GIS圖表以及適用于科學(xué)，工程，醫(yī)學(xué)，航空，貿(mào)易，能源和其他領(lǐng)域的體繪制功能。

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LightningChart提供了兩種將數(shù)據(jù)表示為3D表面的方式-SurfaceGridSeries3D和SurfaceMeshSeries3D。
在SurfaceGridSeries3D中，節(jié)點(diǎn)在X和Z維度上等距分布，在SurfaceMeshSeries3D中，節(jié)點(diǎn)可以在3D空間中自由定位。

本教程說明如何使用LightningChart SurfaceGridSeries3D使用線框和輪廓線創(chuàng)建簡單的3D SurfaceGrid。
SurfaceGrid允許將數(shù)據(jù)可視化為3D表面，并可用于表示，測量和檢查數(shù)據(jù)及其變化。

調(diào)色板著色在本教程中用于根據(jù)數(shù)據(jù)的值以不同的顏色表示數(shù)據(jù)。
建議您在我們的“ 熱圖”教程中進(jìn)行簡要介紹，并在繼續(xù)進(jìn)行本教程之前解釋調(diào)色板的著色。

/// 

/// LightningChart component.
/// 
private LightningChartUltimate _chart = null;

/// 

/// Reference to SurfaceGrid series in chart.
/// 
private SurfaceGridSeries3D _surfaceGrid = null;

/// 

/// SurfaceGrid rows.
/// 
int _rows = 500;

///

/// SurfaceGrid columns.
///
int _columns = 500;

/// 

/// Minimum X-axis value.
/// 
private const int MinX = 0;

/// 

/// Maximum X-axis value.
/// 
private const int MaxX = 100;

/// 

/// Minimum Z-axis value.
/// 
private const int MinZ = 0;

/// 

/// Maximum Z-axis value.
/// 
private const int MaxZ = 100;

1.將View3D定義為活動視圖并定義Y軸范圍。

// Set View3D as active view and set Y-axis range.
_chart.ActiveView = ActiveView.View3D;
_chart.View3D.YAxisPrimary3D.SetRange(-50, 100);

2.創(chuàng)建一個新的SurfaceGrid實(shí)例作為SurfaceGridSeries3D。

// Create a new SurfaceGrid instance as SurfaceGridSeries3D.
_surfaceGrid = new SurfaceGridSeries3D(_chart.View3D, Axis3DBinding.Primary, Axis3DBinding.Primary, Axis3DBinding.Primary);

3.定義SurfaceGrid的設(shè)置。

// Set range, size and color saturation options for SurfaceGrid.
_surfaceGrid.RangeMinX = MinX;
_surfaceGrid.RangeMaxX = MaxX;
_surfaceGrid.RangeMinZ = MinZ;
_surfaceGrid.RangeMaxZ = MaxZ;
_surfaceGrid.SizeX = _columns;
_surfaceGrid.SizeZ = _rows;

// Stronger colors.
_surfaceGrid.ColorSaturation = 80; 

4.創(chuàng)建ValueRangePalette并將其設(shè)置為SurfaceGrid的ContourPalette。

// Create ValueRangePalette for coloring SurfaceGrid's data.
ValueRangePalette palette = CreatePalette(_surfaceGrid);
_surfaceGrid.ContourPalette = palette;

5.為SurfaceGrid定義線框和輪廓線。

// Define WireFrameType and ContourLineType for SurfaceGrid.
_surfaceGrid.WireframeType = SurfaceWireframeType3D.WireframePalettedByY;
_surfaceGrid.ContourLineType = ContourLineType3D.ColorLineByY;
_surfaceGrid.ContourLineWidth = 2;

6.生成數(shù)據(jù)。

// Generate data.
public void GenerateData(int columns, int rows)
{
    // Create variable for storing data.
    double data = 0;

    // Disable rendering before updating chart properties to improve performance
    // and to prevent unnecessary chart redrawing while changing multiple properties.
    _chart.BeginUpdate();

    // Set data values and add them to SurfaceGrid.
    for (int i = 0; i < _columns; i++) { for (int j = 0; j < _rows; j++) { // Add values to the SurfaceGrid as SurfacePoints, points are distributed by using following function. data = 30.0 + 8 * Math.Cos(20 + 0.0001 * (double)(i * j)) + 60.0 * Math.Cos((double)(j - i) * 0.01); _surfaceGrid.Data[i, j].Y = data; } } // Notify chart about updated data. _surfaceGrid.InvalidateData(); // Call EndUpdate to enable rendering again. _chart.EndUpdate(); }

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