Basic-data-format-STL-files.rar_.stl文件_STL显示_stl模型_三维模型

STL 文件的基本数据格式：

solid OBJECT

facet normal 0 -0 -1

outer loop

vertex -17.220884323120117 17.570217132568359

0.81012475490570068

vertex -17.220884323120117 18.465063095092773

0.81012475490570068

vertex -15.970458030700684 17.570217132568359

0.81012475490570068

vertex -17.220884323120117 19.359909057617188

0.81012475490570068

vertex -15.970458030700684 17.570217132568359

0.81012475490570068

endloop

endfacet

……………………

……………………

由若干数量的三角面片组成

endface

为一个三角形单元：第一行三个数据为三角面片的法向量，三个 vertex 分别为三角形的三

个顶点

测试平台：windows7 64 位 vs2010 旗舰版

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xaml

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<Window x:Class="WPF3D.MainWindow"

>

<DockPanel LastChildFill="True">

<StackPanel DockPanel.Dock="Left" Width="200" >

<Label>投影模式</Label>

<ComboBox Name="CameraMode"

SelectionChanged="CameraMode_SelectionChanged" Width="100"

HorizontalContentAlignment="Center">

<ComboBoxItem>正交投影</ComboBoxItem>

<ComboBoxItem>透视投影</ComboBoxItem>

</ComboBox>

<Label Name="NumberOfFacets" Width="60"></Label>

<Label>个</Label>

</TextBlock>

<TextBlock>

<Label Content="绘 图 时 间 :"></Label>

<Label Name="TimeOfDrawing" Width="60"></Label>

<Label>ms</Label>

</TextBlock>

<ScrollViewer VerticalScrollBarVisibility="Auto"

Padding="0 20 20 0">

</StackPanel>

</ScrollViewer>

</StackPanel>

<Viewport3D Name="myViewport3D" >

</Viewport3D>

</DockPanel>

</Window>

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ModelVisual3D myModelLight = new ModelVisual3D();

ModelVisual3D myModel = new ModelVisual3D();

Model3DGroup myModelGroup = new Model3DGroup();

GeometryModel3D myGeomentryModel1 = new GeometryModel3D();

GeometryModel3D myGeomentryModel2 = new GeometryModel3D();

GeometryModel3D myGeomentryModel3 = new GeometryModel3D();

MeshGeometry3D myMeshModel1 = new MeshGeometry3D();

DiffuseMaterial myDiffMaterial = new DiffuseMaterial();

AmbientLight myAmbientLight = new AmbientLight();