深入理解VTK数据结构：为科学可视化和工程计算提供强有力的支持

// 创建点集并添加点
vtkPoints points = vtkPoints.New();
points.InsertNextPoint(0, 0, 0);
points.InsertNextPoint(1, 0, 0);
points.InsertNextPoint(1, 1, 0);
points.InsertNextPoint(0, 1, 0);

// 创建 PolyData 对象并设置点集
vtkPolyData polyData = vtkPolyData.New();
polyData.SetPoints(points);
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// 创建点集并添加点
vtkPoints points = vtkPoints.New();
points.InsertNextPoint(0, 0, 0);
points.InsertNextPoint(1, 0, 0);
points.InsertNextPoint(1, 1, 0);
points.InsertNextPoint(0, 1, 0);

// 创建 CellArray 对象并添加拓扑单元
vtkCellArray cellArray = vtkCellArray.New();
cellArray.InsertNextCell(4); // 插入四边形单元
cellArray.InsertCellPoint(0);
cellArray.InsertCellPoint(1);
cellArray.InsertCellPoint(2);
cellArray.InsertCellPoint(3);

// 创建 PolyData 对象并设置点集和拓扑单元
vtkPolyData polyData = vtkPolyData.New();
polyData.SetPoints(points);
polyData.SetPolys(cellArray);
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// 创建点集并添加点
vtkPoints points = vtkPoints.New();
points.InsertNextPoint(0, 0, 0);
points.InsertNextPoint(1, 0, 0);
points.InsertNextPoint(1, 1, 0);
points.InsertNextPoint(0, 1, 0);

// 创建 CellArray 对象并添加拓扑单元
vtkCellArray cellArray = vtkCellArray.New();
cellArray.InsertNextCell(4); // 插入四边形单元
cellArray.InsertCellPoint(0);
cellArray.InsertCellPoint(1);
cellArray.InsertCellPoint(2);
cellArray.InsertCellPoint(3);

// 创建 PolyData 对象并设置点集和拓扑单元
vtkPolyData polyData = vtkPolyData.New();
polyData.SetPoints(points);
polyData.SetPolys(cellArray);
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// 创建 ImageData 对象并设置尺寸和像素类型
vtkImageData imageData = vtkImageData.New();
imageData.SetDimensions(256, 256, 1);
imageData.SetScalarTypeToUnsignedChar();

// 创建像素数组并填充像素
byte[] pixelArray = new byte[256 * 256];
for (int i = 0; i < 256; i++)
{
    for (int j = 0; j < 256; j++)
    {
        pixelArray[i * 256 + j] = (byte)(255 * Math.Sin(i / 10.0) * Math.Cos(j / 10.0));
    }
}

// 设置像素数组并更新 ImageData 对象
imageData.GetPointData().SetScalars(pixelArray);
imageData.Update();
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// 创建点集并添加点
vtkPoints points = vtkPoints.New();
for (int i = 0; i < 5; i++)
{
    for (int j = 0; j < 5; j++)
    {
        for (int k = 0; k < 5; k++)
        {
            double[] point = { i, j, k };
            points.InsertNextPoint(point);
        }
    }
}

// 创建 StructuredGrid 对象并设置点集
vtkStructuredGrid structuredGrid = vtkStructuredGrid.New();
structuredGrid.SetDimensions(5, 5, 5);
structuredGrid.SetPoints(points);
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// 新建四个点
vtkPoints points = vtkPoints.New();
points.InsertNextPoint(0, 0, 0);
points.InsertNextPoint(1, 0, 0);
points.InsertNextPoint(0, 1, 0);
points.InsertNextPoint(0, 0, 1);

// 新建四面体拓扑单元
vtkTetra tetra = vtkTetra.New();
tetra.GetPointIds().SetId(0, 0);
tetra.GetPointIds().SetId(1, 1);
tetra.GetPointIds().SetId(2, 2);
tetra.GetPointIds().SetId(3, 3);

// 新建 UnstructuredGrid 对象，并将点和拓扑单元添加进去
vtkUnstructuredGrid unstructuredGrid = vtkUnstructuredGrid.New();
unstructuredGrid.SetPoints(points);
unstructuredGrid.InsertNextCell(tetra.GetCellType(), tetra.GetPointIds());

// 可视化 UnstructuredGrid 对象
vtkDataSetMapper mapper = vtkDataSetMapper.New();
mapper.SetInputData(unstructuredGrid);

vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);

vtkRenderer renderer = vtkRenderer.New();
renderer.AddActor(actor);

vtkRenderWindow renderWindow = vtkRenderWindow.New();
renderWindow.AddRenderer(renderer);

vtkRenderWindowInteractor interactor = vtkRenderWindowInteractor.New();
interactor.SetRenderWindow(renderWindow);

renderWindow.Render();
interactor.Start();
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// 新建一个表格结构
vtkTable table = vtkTable.New();

// 添加两个列（变量）
vtkFloatArray x = vtkFloatArray.New();
x.SetName("X");
table.AddColumn(x);

vtkFloatArray y = vtkFloatArray.New();
y.SetName("Y");
table.AddColumn(y);

// 添加十个行
for (int i = 0; i < 10; i++)
{
    // 在表格中插入新行
    table.InsertNextRow();

    // 向每行中添加数据
    double[] rowData = { i, Math.Sin(i) };
    table.SetValue(i, 0, rowData[0]);
    table.SetValue(i, 1, rowData[1]);
}

// 可视化表格数据
vtkPlotLine line = vtkPlotLine.New();
line.SetInputData(table, "X", "Y");

vtkChartXY chart = vtkChartXY.New();
chart.AddPlot(line);

vtkRenderWindow renderWindow = vtkRenderWindow.New();
vtkRenderWindowInteractor interactor = vtkRenderWindowInteractor.New();

chart.RenderScene(renderWindow, interactor);
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