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ScaleTransform3D Constructeurs

  • Référence

Définition

Espace de noms:
System.Windows.Media.Media3D
Assembly:
PresentationCore.dll

Initialise une nouvelle instance de la classe ScaleTransform3D.

Surcharges

ScaleTransform3D()

Initialise une nouvelle instance de la classe ScaleTransform3D.
ScaleTransform3D(Vector3D)

Initialise une nouvelle instance de la classe ScaleTransform3D à l'aide du Vector3D spécifié.
ScaleTransform3D(Vector3D, Point3D)

Initialise une nouvelle instance de la classe ScaleTransform3D avec les Vector3D et Point3D spécifiés.
ScaleTransform3D(Double, Double, Double)

Initialise une nouvelle instance de la classe ScaleTransform3D à l'aide des facteurs d'échelle spécifiés.
ScaleTransform3D(Double, Double, Double, Double, Double, Double)

Initialise une nouvelle instance de la classe ScaleTransform3D à l'aide des coordonnées de centre spécifiées et des facteurs d'échelle.

ScaleTransform3D()

Initialise une nouvelle instance de la classe ScaleTransform3D.

public:
 ScaleTransform3D();
public ScaleTransform3D ();
Public Sub New ()

Exemples

using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Media3D;

namespace SDKSample
{
    public partial class MultipleTransformationsExample : Page
    {
        public MultipleTransformationsExample()
        {

            // Declare scene objects.
            Viewport3D myViewport3D = new Viewport3D();
            Model3DGroup myModel3DGroup = new Model3DGroup();
            GeometryModel3D myGeometryModel = new GeometryModel3D();
            ModelVisual3D myModelVisual3D = new ModelVisual3D();
            
            // Defines the camera used to view the 3D object. In order to view the 3D object,
            // the camera must be positioned and pointed such that the object is within view 
            // of the camera.
            PerspectiveCamera myPCamera = new PerspectiveCamera();

            // Specify where in the 3D scene the camera is.
            myPCamera.Position = new Point3D(0, 0, 2);

            // Specify the direction that the camera is pointing.
            myPCamera.LookDirection = new Vector3D(0, 0, -1);

            // Define camera's horizontal field of view in degrees.
            myPCamera.FieldOfView = 60;

            // Asign the camera to the viewport
            myViewport3D.Camera = myPCamera;
            
            // Define the lights cast in the scene. Without light, the 3D object cannot 
            // be seen. Note: to illuminate an object from additional directions, create 
            // additional lights.
            DirectionalLight myDirectionalLight = new DirectionalLight();
            myDirectionalLight.Color = Colors.White;
            myDirectionalLight.Direction = new Vector3D(-0.61, -0.5, -0.61);

            myModel3DGroup.Children.Add(myDirectionalLight);

            // The geometry specifes the shape of the 3D plane. In this sample, a flat sheet 
            // is created.
            MeshGeometry3D myMeshGeometry3D = new MeshGeometry3D();

            // Create a collection of normal vectors for the MeshGeometry3D.
            Vector3DCollection myNormalCollection = new Vector3DCollection();
            myNormalCollection.Add(new Vector3D(0,0,1));
            myNormalCollection.Add(new Vector3D(0,0,1));
            myNormalCollection.Add(new Vector3D(0,0,1));
            myNormalCollection.Add(new Vector3D(0,0,1));
            myNormalCollection.Add(new Vector3D(0,0,1));
            myNormalCollection.Add(new Vector3D(0,0,1));
            myMeshGeometry3D.Normals = myNormalCollection;

            // Create a collection of vertex positions for the MeshGeometry3D. 
            Point3DCollection myPositionCollection = new Point3DCollection();
            myPositionCollection.Add(new Point3D(-0.5, -0.5, 0.5));
            myPositionCollection.Add(new Point3D(0.5, -0.5, 0.5));
            myPositionCollection.Add(new Point3D(0.5, 0.5, 0.5));
            myPositionCollection.Add(new Point3D(0.5, 0.5, 0.5));
            myPositionCollection.Add(new Point3D(-0.5, 0.5, 0.5));
            myPositionCollection.Add(new Point3D(-0.5, -0.5, 0.5));
            myMeshGeometry3D.Positions = myPositionCollection;

            // Create a collection of texture coordinates for the MeshGeometry3D.
            PointCollection myTextureCoordinatesCollection = new PointCollection();
            myTextureCoordinatesCollection.Add(new Point(0, 0));
            myTextureCoordinatesCollection.Add(new Point(1, 0));
            myTextureCoordinatesCollection.Add(new Point(1, 1));
            myTextureCoordinatesCollection.Add(new Point(1, 1));
            myTextureCoordinatesCollection.Add(new Point(0, 1));
            myTextureCoordinatesCollection.Add(new Point(0, 0));
            myMeshGeometry3D.TextureCoordinates = myTextureCoordinatesCollection;

            // Create a collection of triangle indices for the MeshGeometry3D.
            Int32Collection myTriangleIndicesCollection = new Int32Collection();
            myTriangleIndicesCollection.Add(0);
            myTriangleIndicesCollection.Add(1);
            myTriangleIndicesCollection.Add(2);
            myTriangleIndicesCollection.Add(3);
            myTriangleIndicesCollection.Add(4);
            myTriangleIndicesCollection.Add(5);
            myMeshGeometry3D.TriangleIndices = myTriangleIndicesCollection;

            // Apply the mesh to the geometry model.
            myGeometryModel.Geometry = myMeshGeometry3D;

            // The material specifies the material applied to the 3D object. In this sample a  
            // linear gradient covers the surface of the 3D object.

            // Create a horizontal linear gradient with four stops.   
            LinearGradientBrush myHorizontalGradient = new LinearGradientBrush();
            myHorizontalGradient.StartPoint = new Point(0, 0.5);
            myHorizontalGradient.EndPoint = new Point(1, 0.5);
            myHorizontalGradient.GradientStops.Add(new GradientStop(Colors.Yellow, 0.0));
            myHorizontalGradient.GradientStops.Add(new GradientStop(Colors.Red, 0.25));
            myHorizontalGradient.GradientStops.Add(new GradientStop(Colors.Blue, 0.75));
            myHorizontalGradient.GradientStops.Add(new GradientStop(Colors.LimeGreen, 1.0));

            // Define material and apply to the mesh geometries.
            DiffuseMaterial myMaterial = new DiffuseMaterial(myHorizontalGradient);
            myGeometryModel.Material = myMaterial;
            // Apply multiple transformations to the object. In this sample, a rotation and scale 
            // transform is applied.

            // Create and apply a transformation that rotates the object.
            RotateTransform3D myRotateTransform3D = new RotateTransform3D();
            AxisAngleRotation3D myAxisAngleRotation3d = new AxisAngleRotation3D();
            myAxisAngleRotation3d.Axis = new Vector3D(0,3,0);
            myAxisAngleRotation3d.Angle = 40;
            myRotateTransform3D.Rotation = myAxisAngleRotation3d;

            // Add the rotation transform to a Transform3DGroup
            Transform3DGroup myTransform3DGroup = new Transform3DGroup();
            myTransform3DGroup.Children.Add(myRotateTransform3D);

            // Create and apply a scale transformation that stretches the object along the local x-axis  
            // by 200 percent and shrinks it along the local y-axis by 50 percent.
            ScaleTransform3D myScaleTransform3D = new ScaleTransform3D();
            myScaleTransform3D.ScaleX = 2;
            myScaleTransform3D.ScaleY = 0.5;
            myScaleTransform3D.ScaleZ = 1;

            // Add the scale transform to the Transform3DGroup.
            myTransform3DGroup.Children.Add(myScaleTransform3D);

            // Set the Transform property of the GeometryModel to the Transform3DGroup which includes 
            // both transformations. The 3D object now has two Transformations applied to it.
            myGeometryModel.Transform = myTransform3DGroup;
            // Add the geometry model to the model group.
            myModel3DGroup.Children.Add(myGeometryModel);

            // Add the group of models to the ModelVisual3d.
            myModelVisual3D.Content = myModel3DGroup;

            myViewport3D.Children.Add(myModelVisual3D);

            // Apply the viewport to the page so it will be rendered.
            this.Content = myViewport3D;
        }
    }
}


Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Media
Imports System.Windows.Media.Media3D

Namespace SDKSample
    Partial Public Class MultipleTransformationsExample
        Inherits Page
        Public Sub New()

            ' Declare scene objects.
            Dim myViewport3D As New Viewport3D()
            Dim myModel3DGroup As New Model3DGroup()
            Dim myGeometryModel As New GeometryModel3D()
            Dim myModelVisual3D As New ModelVisual3D()

            ' Defines the camera used to view the 3D object. In order to view the 3D object,
            ' the camera must be positioned and pointed such that the object is within view 
            ' of the camera.
            Dim myPCamera As New PerspectiveCamera()

            ' Specify where in the 3D scene the camera is.
            myPCamera.Position = New Point3D(0, 0, 2)

            ' Specify the direction that the camera is pointing.
            myPCamera.LookDirection = New Vector3D(0, 0, -1)

            ' Define camera's horizontal field of view in degrees.
            myPCamera.FieldOfView = 60

            ' Asign the camera to the viewport
            myViewport3D.Camera = myPCamera

            ' Define the lights cast in the scene. Without light, the 3D object cannot 
            ' be seen. Note: to illuminate an object from additional directions, create 
            ' additional lights.
            Dim myDirectionalLight As New DirectionalLight()
            myDirectionalLight.Color = Colors.White
            myDirectionalLight.Direction = New Vector3D(-0.61, -0.5, -0.61)

            myModel3DGroup.Children.Add(myDirectionalLight)

            ' The geometry specifes the shape of the 3D plane. In this sample, a flat sheet 
            ' is created.
            Dim myMeshGeometry3D As New MeshGeometry3D()

            ' Create a collection of normal vectors for the MeshGeometry3D.
            Dim myNormalCollection As New Vector3DCollection()
            myNormalCollection.Add(New Vector3D(0,0,1))
            myNormalCollection.Add(New Vector3D(0,0,1))
            myNormalCollection.Add(New Vector3D(0,0,1))
            myNormalCollection.Add(New Vector3D(0,0,1))
            myNormalCollection.Add(New Vector3D(0,0,1))
            myNormalCollection.Add(New Vector3D(0,0,1))
            myMeshGeometry3D.Normals = myNormalCollection

            ' Create a collection of vertex positions for the MeshGeometry3D. 
            Dim myPositionCollection As New Point3DCollection()
            myPositionCollection.Add(New Point3D(-0.5, -0.5, 0.5))
            myPositionCollection.Add(New Point3D(0.5, -0.5, 0.5))
            myPositionCollection.Add(New Point3D(0.5, 0.5, 0.5))
            myPositionCollection.Add(New Point3D(0.5, 0.5, 0.5))
            myPositionCollection.Add(New Point3D(-0.5, 0.5, 0.5))
            myPositionCollection.Add(New Point3D(-0.5, -0.5, 0.5))
            myMeshGeometry3D.Positions = myPositionCollection

            ' Create a collection of texture coordinates for the MeshGeometry3D.
            Dim myTextureCoordinatesCollection As New PointCollection()
            myTextureCoordinatesCollection.Add(New Point(0, 0))
            myTextureCoordinatesCollection.Add(New Point(1, 0))
            myTextureCoordinatesCollection.Add(New Point(1, 1))
            myTextureCoordinatesCollection.Add(New Point(1, 1))
            myTextureCoordinatesCollection.Add(New Point(0, 1))
            myTextureCoordinatesCollection.Add(New Point(0, 0))
            myMeshGeometry3D.TextureCoordinates = myTextureCoordinatesCollection

            ' Create a collection of triangle indices for the MeshGeometry3D.
            Dim myTriangleIndicesCollection As New Int32Collection()
            myTriangleIndicesCollection.Add(0)
            myTriangleIndicesCollection.Add(1)
            myTriangleIndicesCollection.Add(2)
            myTriangleIndicesCollection.Add(3)
            myTriangleIndicesCollection.Add(4)
            myTriangleIndicesCollection.Add(5)
            myMeshGeometry3D.TriangleIndices = myTriangleIndicesCollection

            ' Apply the mesh to the geometry model.
            myGeometryModel.Geometry = myMeshGeometry3D

            ' The material specifies the material applied to the 3D object. In this sample a  
            ' linear gradient covers the surface of the 3D object.

            ' Create a horizontal linear gradient with four stops.   
            Dim myHorizontalGradient As New LinearGradientBrush()
            myHorizontalGradient.StartPoint = New Point(0, 0.5)
            myHorizontalGradient.EndPoint = New Point(1, 0.5)
            myHorizontalGradient.GradientStops.Add(New GradientStop(Colors.Yellow, 0.0))
            myHorizontalGradient.GradientStops.Add(New GradientStop(Colors.Red, 0.25))
            myHorizontalGradient.GradientStops.Add(New GradientStop(Colors.Blue, 0.75))
            myHorizontalGradient.GradientStops.Add(New GradientStop(Colors.LimeGreen, 1.0))

            ' Define material and apply to the mesh geometries.
            Dim myMaterial As New DiffuseMaterial(myHorizontalGradient)
            myGeometryModel.Material = myMaterial
            ' Apply multiple transformations to the object. In this sample, a rotation and scale 
            ' transform is applied.

            ' Create and apply a transformation that rotates the object.
            Dim myRotateTransform3D As New RotateTransform3D()
            Dim myAxisAngleRotation3d As New AxisAngleRotation3D()
            myAxisAngleRotation3d.Axis = New Vector3D(0,3,0)
            myAxisAngleRotation3d.Angle = 40
            myRotateTransform3D.Rotation = myAxisAngleRotation3d

            ' Add the rotation transform to a Transform3DGroup
            Dim myTransform3DGroup As New Transform3DGroup()
            myTransform3DGroup.Children.Add(myRotateTransform3D)

            ' Create and apply a scale transformation that stretches the object along the local x-axis  
            ' by 200 percent and shrinks it along the local y-axis by 50 percent.
            Dim myScaleTransform3D As New ScaleTransform3D()
            myScaleTransform3D.ScaleX = 2
            myScaleTransform3D.ScaleY = 0.5
            myScaleTransform3D.ScaleZ = 1

            ' Add the scale transform to the Transform3DGroup.
            myTransform3DGroup.Children.Add(myScaleTransform3D)

            ' Set the Transform property of the GeometryModel to the Transform3DGroup which includes 
            ' both transformations. The 3D object now has two Transformations applied to it.
            myGeometryModel.Transform = myTransform3DGroup
            ' Add the geometry model to the model group.
            myModel3DGroup.Children.Add(myGeometryModel)

            ' Add the group of models to the ModelVisual3d.
            myModelVisual3D.Content = myModel3DGroup

            myViewport3D.Children.Add(myModelVisual3D)

            ' Apply the viewport to the page so it will be rendered.
            Me.Content = myViewport3D
        End Sub
    End Class
End Namespace

S’applique à

ScaleTransform3D(Vector3D)

Initialise une nouvelle instance de la classe ScaleTransform3D à l'aide du Vector3D spécifié.

public:
 ScaleTransform3D(System::Windows::Media::Media3D::Vector3D scale);
public ScaleTransform3D (System.Windows.Media.Media3D.Vector3D scale);
new System.Windows.Media.Media3D.ScaleTransform3D : System.Windows.Media.Media3D.Vector3D -> System.Windows.Media.Media3D.ScaleTransform3D
Public Sub New (scale As Vector3D)

Paramètres

scale
Vector3D

Vector3D le long duquel la transformation est mise à l'échelle.

S’applique à

ScaleTransform3D(Vector3D, Point3D)

Initialise une nouvelle instance de la classe ScaleTransform3D avec les Vector3D et Point3D spécifiés.

public:
 ScaleTransform3D(System::Windows::Media::Media3D::Vector3D scale, System::Windows::Media::Media3D::Point3D center);
public ScaleTransform3D (System.Windows.Media.Media3D.Vector3D scale, System.Windows.Media.Media3D.Point3D center);
new System.Windows.Media.Media3D.ScaleTransform3D : System.Windows.Media.Media3D.Vector3D * System.Windows.Media.Media3D.Point3D -> System.Windows.Media.Media3D.ScaleTransform3D
Public Sub New (scale As Vector3D, center As Point3D)

Paramètres

scale
Vector3D

Vector3D le long duquel la transformation est mise à l'échelle.

center
Point3D

Centre autour duquel la transformation est mise à l'échelle.

S’applique à

ScaleTransform3D(Double, Double, Double)

Initialise une nouvelle instance de la classe ScaleTransform3D à l'aide des facteurs d'échelle spécifiés.

public:
 ScaleTransform3D(double scaleX, double scaleY, double scaleZ);
public ScaleTransform3D (double scaleX, double scaleY, double scaleZ);
new System.Windows.Media.Media3D.ScaleTransform3D : double * double * double -> System.Windows.Media.Media3D.ScaleTransform3D
Public Sub New (scaleX As Double, scaleY As Double, scaleZ As Double)

Paramètres

scaleX
Double

Facteur par lequel la valeur X est mise à l'échelle.

scaleY
Double

Facteur par lequel la valeur Y est mise à l'échelle.

scaleZ
Double

Facteur par lequel la valeur Z est mise à l'échelle.

Exemples

using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Media3D;

namespace SDKSample
{
    public partial class MultipleTransformationsExample : Page
    {
        public MultipleTransformationsExample()
        {

            // Declare scene objects.
            Viewport3D myViewport3D = new Viewport3D();
            Model3DGroup myModel3DGroup = new Model3DGroup();
            GeometryModel3D myGeometryModel = new GeometryModel3D();
            ModelVisual3D myModelVisual3D = new ModelVisual3D();
            
            // Defines the camera used to view the 3D object. In order to view the 3D object,
            // the camera must be positioned and pointed such that the object is within view 
            // of the camera.
            PerspectiveCamera myPCamera = new PerspectiveCamera();

            // Specify where in the 3D scene the camera is.
            myPCamera.Position = new Point3D(0, 0, 2);

            // Specify the direction that the camera is pointing.
            myPCamera.LookDirection = new Vector3D(0, 0, -1);

            // Define camera's horizontal field of view in degrees.
            myPCamera.FieldOfView = 60;

            // Asign the camera to the viewport
            myViewport3D.Camera = myPCamera;
            
            // Define the lights cast in the scene. Without light, the 3D object cannot 
            // be seen. Note: to illuminate an object from additional directions, create 
            // additional lights.
            DirectionalLight myDirectionalLight = new DirectionalLight();
            myDirectionalLight.Color = Colors.White;
            myDirectionalLight.Direction = new Vector3D(-0.61, -0.5, -0.61);

            myModel3DGroup.Children.Add(myDirectionalLight);

            // The geometry specifes the shape of the 3D plane. In this sample, a flat sheet 
            // is created.
            MeshGeometry3D myMeshGeometry3D = new MeshGeometry3D();

            // Create a collection of normal vectors for the MeshGeometry3D.
            Vector3DCollection myNormalCollection = new Vector3DCollection();
            myNormalCollection.Add(new Vector3D(0,0,1));
            myNormalCollection.Add(new Vector3D(0,0,1));
            myNormalCollection.Add(new Vector3D(0,0,1));
            myNormalCollection.Add(new Vector3D(0,0,1));
            myNormalCollection.Add(new Vector3D(0,0,1));
            myNormalCollection.Add(new Vector3D(0,0,1));
            myMeshGeometry3D.Normals = myNormalCollection;

            // Create a collection of vertex positions for the MeshGeometry3D. 
            Point3DCollection myPositionCollection = new Point3DCollection();
            myPositionCollection.Add(new Point3D(-0.5, -0.5, 0.5));
            myPositionCollection.Add(new Point3D(0.5, -0.5, 0.5));
            myPositionCollection.Add(new Point3D(0.5, 0.5, 0.5));
            myPositionCollection.Add(new Point3D(0.5, 0.5, 0.5));
            myPositionCollection.Add(new Point3D(-0.5, 0.5, 0.5));
            myPositionCollection.Add(new Point3D(-0.5, -0.5, 0.5));
            myMeshGeometry3D.Positions = myPositionCollection;

            // Create a collection of texture coordinates for the MeshGeometry3D.
            PointCollection myTextureCoordinatesCollection = new PointCollection();
            myTextureCoordinatesCollection.Add(new Point(0, 0));
            myTextureCoordinatesCollection.Add(new Point(1, 0));
            myTextureCoordinatesCollection.Add(new Point(1, 1));
            myTextureCoordinatesCollection.Add(new Point(1, 1));
            myTextureCoordinatesCollection.Add(new Point(0, 1));
            myTextureCoordinatesCollection.Add(new Point(0, 0));
            myMeshGeometry3D.TextureCoordinates = myTextureCoordinatesCollection;

            // Create a collection of triangle indices for the MeshGeometry3D.
            Int32Collection myTriangleIndicesCollection = new Int32Collection();
            myTriangleIndicesCollection.Add(0);
            myTriangleIndicesCollection.Add(1);
            myTriangleIndicesCollection.Add(2);
            myTriangleIndicesCollection.Add(3);
            myTriangleIndicesCollection.Add(4);
            myTriangleIndicesCollection.Add(5);
            myMeshGeometry3D.TriangleIndices = myTriangleIndicesCollection;

            // Apply the mesh to the geometry model.
            myGeometryModel.Geometry = myMeshGeometry3D;

            // The material specifies the material applied to the 3D object. In this sample a  
            // linear gradient covers the surface of the 3D object.

            // Create a horizontal linear gradient with four stops.   
            LinearGradientBrush myHorizontalGradient = new LinearGradientBrush();
            myHorizontalGradient.StartPoint = new Point(0, 0.5);
            myHorizontalGradient.EndPoint = new Point(1, 0.5);
            myHorizontalGradient.GradientStops.Add(new GradientStop(Colors.Yellow, 0.0));
            myHorizontalGradient.GradientStops.Add(new GradientStop(Colors.Red, 0.25));
            myHorizontalGradient.GradientStops.Add(new GradientStop(Colors.Blue, 0.75));
            myHorizontalGradient.GradientStops.Add(new GradientStop(Colors.LimeGreen, 1.0));

            // Define material and apply to the mesh geometries.
            DiffuseMaterial myMaterial = new DiffuseMaterial(myHorizontalGradient);
            myGeometryModel.Material = myMaterial;
            // Apply multiple transformations to the object. In this sample, a rotation and scale 
            // transform is applied.

            // Create and apply a transformation that rotates the object.
            RotateTransform3D myRotateTransform3D = new RotateTransform3D();
            AxisAngleRotation3D myAxisAngleRotation3d = new AxisAngleRotation3D();
            myAxisAngleRotation3d.Axis = new Vector3D(0,3,0);
            myAxisAngleRotation3d.Angle = 40;
            myRotateTransform3D.Rotation = myAxisAngleRotation3d;

            // Add the rotation transform to a Transform3DGroup
            Transform3DGroup myTransform3DGroup = new Transform3DGroup();
            myTransform3DGroup.Children.Add(myRotateTransform3D);

            // Create and apply a scale transformation that stretches the object along the local x-axis  
            // by 200 percent and shrinks it along the local y-axis by 50 percent.
            ScaleTransform3D myScaleTransform3D = new ScaleTransform3D();
            myScaleTransform3D.ScaleX = 2;
            myScaleTransform3D.ScaleY = 0.5;
            myScaleTransform3D.ScaleZ = 1;

            // Add the scale transform to the Transform3DGroup.
            myTransform3DGroup.Children.Add(myScaleTransform3D);

            // Set the Transform property of the GeometryModel to the Transform3DGroup which includes 
            // both transformations. The 3D object now has two Transformations applied to it.
            myGeometryModel.Transform = myTransform3DGroup;
            // Add the geometry model to the model group.
            myModel3DGroup.Children.Add(myGeometryModel);

            // Add the group of models to the ModelVisual3d.
            myModelVisual3D.Content = myModel3DGroup;

            myViewport3D.Children.Add(myModelVisual3D);

            // Apply the viewport to the page so it will be rendered.
            this.Content = myViewport3D;
        }
    }
}


Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Media
Imports System.Windows.Media.Media3D

Namespace SDKSample
    Partial Public Class MultipleTransformationsExample
        Inherits Page
        Public Sub New()

            ' Declare scene objects.
            Dim myViewport3D As New Viewport3D()
            Dim myModel3DGroup As New Model3DGroup()
            Dim myGeometryModel As New GeometryModel3D()
            Dim myModelVisual3D As New ModelVisual3D()

            ' Defines the camera used to view the 3D object. In order to view the 3D object,
            ' the camera must be positioned and pointed such that the object is within view 
            ' of the camera.
            Dim myPCamera As New PerspectiveCamera()

            ' Specify where in the 3D scene the camera is.
            myPCamera.Position = New Point3D(0, 0, 2)

            ' Specify the direction that the camera is pointing.
            myPCamera.LookDirection = New Vector3D(0, 0, -1)

            ' Define camera's horizontal field of view in degrees.
            myPCamera.FieldOfView = 60

            ' Asign the camera to the viewport
            myViewport3D.Camera = myPCamera

            ' Define the lights cast in the scene. Without light, the 3D object cannot 
            ' be seen. Note: to illuminate an object from additional directions, create 
            ' additional lights.
            Dim myDirectionalLight As New DirectionalLight()
            myDirectionalLight.Color = Colors.White
            myDirectionalLight.Direction = New Vector3D(-0.61, -0.5, -0.61)

            myModel3DGroup.Children.Add(myDirectionalLight)

            ' The geometry specifes the shape of the 3D plane. In this sample, a flat sheet 
            ' is created.
            Dim myMeshGeometry3D As New MeshGeometry3D()

            ' Create a collection of normal vectors for the MeshGeometry3D.
            Dim myNormalCollection As New Vector3DCollection()
            myNormalCollection.Add(New Vector3D(0,0,1))
            myNormalCollection.Add(New Vector3D(0,0,1))
            myNormalCollection.Add(New Vector3D(0,0,1))
            myNormalCollection.Add(New Vector3D(0,0,1))
            myNormalCollection.Add(New Vector3D(0,0,1))
            myNormalCollection.Add(New Vector3D(0,0,1))
            myMeshGeometry3D.Normals = myNormalCollection

            ' Create a collection of vertex positions for the MeshGeometry3D. 
            Dim myPositionCollection As New Point3DCollection()
            myPositionCollection.Add(New Point3D(-0.5, -0.5, 0.5))
            myPositionCollection.Add(New Point3D(0.5, -0.5, 0.5))
            myPositionCollection.Add(New Point3D(0.5, 0.5, 0.5))
            myPositionCollection.Add(New Point3D(0.5, 0.5, 0.5))
            myPositionCollection.Add(New Point3D(-0.5, 0.5, 0.5))
            myPositionCollection.Add(New Point3D(-0.5, -0.5, 0.5))
            myMeshGeometry3D.Positions = myPositionCollection

            ' Create a collection of texture coordinates for the MeshGeometry3D.
            Dim myTextureCoordinatesCollection As New PointCollection()
            myTextureCoordinatesCollection.Add(New Point(0, 0))
            myTextureCoordinatesCollection.Add(New Point(1, 0))
            myTextureCoordinatesCollection.Add(New Point(1, 1))
            myTextureCoordinatesCollection.Add(New Point(1, 1))
            myTextureCoordinatesCollection.Add(New Point(0, 1))
            myTextureCoordinatesCollection.Add(New Point(0, 0))
            myMeshGeometry3D.TextureCoordinates = myTextureCoordinatesCollection

            ' Create a collection of triangle indices for the MeshGeometry3D.
            Dim myTriangleIndicesCollection As New Int32Collection()
            myTriangleIndicesCollection.Add(0)
            myTriangleIndicesCollection.Add(1)
            myTriangleIndicesCollection.Add(2)
            myTriangleIndicesCollection.Add(3)
            myTriangleIndicesCollection.Add(4)
            myTriangleIndicesCollection.Add(5)
            myMeshGeometry3D.TriangleIndices = myTriangleIndicesCollection

            ' Apply the mesh to the geometry model.
            myGeometryModel.Geometry = myMeshGeometry3D

            ' The material specifies the material applied to the 3D object. In this sample a  
            ' linear gradient covers the surface of the 3D object.

            ' Create a horizontal linear gradient with four stops.   
            Dim myHorizontalGradient As New LinearGradientBrush()
            myHorizontalGradient.StartPoint = New Point(0, 0.5)
            myHorizontalGradient.EndPoint = New Point(1, 0.5)
            myHorizontalGradient.GradientStops.Add(New GradientStop(Colors.Yellow, 0.0))
            myHorizontalGradient.GradientStops.Add(New GradientStop(Colors.Red, 0.25))
            myHorizontalGradient.GradientStops.Add(New GradientStop(Colors.Blue, 0.75))
            myHorizontalGradient.GradientStops.Add(New GradientStop(Colors.LimeGreen, 1.0))

            ' Define material and apply to the mesh geometries.
            Dim myMaterial As New DiffuseMaterial(myHorizontalGradient)
            myGeometryModel.Material = myMaterial
            ' Apply multiple transformations to the object. In this sample, a rotation and scale 
            ' transform is applied.

            ' Create and apply a transformation that rotates the object.
            Dim myRotateTransform3D As New RotateTransform3D()
            Dim myAxisAngleRotation3d As New AxisAngleRotation3D()
            myAxisAngleRotation3d.Axis = New Vector3D(0,3,0)
            myAxisAngleRotation3d.Angle = 40
            myRotateTransform3D.Rotation = myAxisAngleRotation3d

            ' Add the rotation transform to a Transform3DGroup
            Dim myTransform3DGroup As New Transform3DGroup()
            myTransform3DGroup.Children.Add(myRotateTransform3D)

            ' Create and apply a scale transformation that stretches the object along the local x-axis  
            ' by 200 percent and shrinks it along the local y-axis by 50 percent.
            Dim myScaleTransform3D As New ScaleTransform3D()
            myScaleTransform3D.ScaleX = 2
            myScaleTransform3D.ScaleY = 0.5
            myScaleTransform3D.ScaleZ = 1

            ' Add the scale transform to the Transform3DGroup.
            myTransform3DGroup.Children.Add(myScaleTransform3D)

            ' Set the Transform property of the GeometryModel to the Transform3DGroup which includes 
            ' both transformations. The 3D object now has two Transformations applied to it.
            myGeometryModel.Transform = myTransform3DGroup
            ' Add the geometry model to the model group.
            myModel3DGroup.Children.Add(myGeometryModel)

            ' Add the group of models to the ModelVisual3d.
            myModelVisual3D.Content = myModel3DGroup

            myViewport3D.Children.Add(myModelVisual3D)

            ' Apply the viewport to the page so it will be rendered.
            Me.Content = myViewport3D
        End Sub
    End Class
End Namespace

S’applique à

ScaleTransform3D(Double, Double, Double, Double, Double, Double)

Initialise une nouvelle instance de la classe ScaleTransform3D à l'aide des coordonnées de centre spécifiées et des facteurs d'échelle.

public:
 ScaleTransform3D(double scaleX, double scaleY, double scaleZ, double centerX, double centerY, double centerZ);
public ScaleTransform3D (double scaleX, double scaleY, double scaleZ, double centerX, double centerY, double centerZ);
new System.Windows.Media.Media3D.ScaleTransform3D : double * double * double * double * double * double -> System.Windows.Media.Media3D.ScaleTransform3D
Public Sub New (scaleX As Double, scaleY As Double, scaleZ As Double, centerX As Double, centerY As Double, centerZ As Double)

Paramètres

scaleX
Double

Facteur par lequel la valeur X est mise à l'échelle.

scaleY
Double

Facteur par lequel la valeur Y est mise à l'échelle.

scaleZ
Double

Facteur par lequel la valeur Z est mise à l'échelle.

centerX
Double

Coordonnée X du point central de départ de la mise à l'échelle.

centerY
Double

Coordonnée Y du point central de départ de la mise à l'échelle.

centerZ
Double

Coordonnée Z du point central de départ de la mise à l'échelle.

S’applique à