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Asked: 2026-05-11T12:28:18+00:00

I have a 3D plane which I’m trying to render with an ImageBrush as

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I have a 3D plane which I’m trying to render with an ImageBrush as it’s DiffuseMaterial.Brush. If i use a SolidColorBrush then the plane appears fine but I get nothing at all with either an ImageBrush or a VisualBrush.

Can anyone tell me why? Here’s the code.

<ModelVisual3D>         <ModelVisual3D.Transform>             <RotateTransform3D CenterX='0' CenterY='0' CenterZ='0'>                 <RotateTransform3D.Rotation>                     <AxisAngleRotation3D Axis='0 1 0' Angle='90'/>                 </RotateTransform3D.Rotation>             </RotateTransform3D>         </ModelVisual3D.Transform>         <ModelVisual3D.Content>             <GeometryModel3D>                 <GeometryModel3D.Geometry>                     <MeshGeometry3D x:Name='frontmesh' TriangleIndices='                                     0 1 2                                     2 3 0'>                         <MeshGeometry3D.Positions>                             <MultiBinding Converter='{StaticResource front}'>                                 <Binding ElementName='UC' Path='CubeHeight' />                                 <Binding ElementName='UC' Path='CubeWidth' />                                 <Binding ElementName='UC' Path='CubeDepth' />                             </MultiBinding>                         </MeshGeometry3D.Positions>                     </MeshGeometry3D>                 </GeometryModel3D.Geometry>                 <GeometryModel3D.Material>                     <DiffuseMaterial>                         <DiffuseMaterial.Brush>                             <ImageBrush ImageSource='CF.jpg'                                          AlignmentX='Center' AlignmentY='Center'                                          Stretch='Fill'/>                          </DiffuseMaterial.Brush>                     </DiffuseMaterial>                 </GeometryModel3D.Material>             </GeometryModel3D>         </ModelVisual3D.Content>     </ModelVisual3D>
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1 Answer

  1. Got it,

    I needed to provide mapping coordinates for the brush to render. The MeshhGeometry3D now looks like this – 

    <MeshGeometry3D x:Name='frontmesh' TriangleIndices='                                     0 1 2                                     2 3 0'                                     TextureCoordinates='0 1,1 1,1 0 ,0 0'>                         <MeshGeometry3D.Positions>                             <MultiBinding Converter='{StaticResource front}'>                                 <Binding ElementName='UC' Path='CubeHeight' />                                 <Binding ElementName='UC' Path='CubeWidth' />                                 <Binding ElementName='UC' Path='CubeDepth' />                             </MultiBinding>                         </MeshGeometry3D.Positions>                     </MeshGeometry3D>
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