Hi, Using the example RectSelection I have a 3d viewport in which I can select my objects, which are BoxVisual3D.

What I need to do, is return the 3d position of the selected object. I have:

  foreach (var model in models)
            {
                var geometryModel = model as GeometryModel3D;
                if (geometryModel != null)
                {
                    geometryModel.Material = geometryModel.BackMaterial = material;

                    
                    //do stuff 
                    UserControl1.Point1Position = model.Transform; 
                    
                    UserControl1.returnPoint.X = model.Transform.Value.M14;
                    UserControl1.returnPoint.Y = geometryModel.Transform.Value.M24;
                    UserControl1.returnPoint.Z = geometryModel.Transform.Value.M34;
                }
            }

But the values always return as 0. (I spawn the box myself, so i know they are not 0.
When I step through, there is a selected object, but the transform reads as all zeros. How can i get the positin of a BoxVisual3D?

Thanks.

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Hi guys. I am really impressed by the instancing demo with boxes in SharpDX. I could use it in my project but I need to be able to set color of every box face individually. Does anybody know how should I approach it ? I could do it in WPF version but it looks tricky in this method. As there is a single model that is multiplied it is hard to apply various colors on every face. Any suggestion will be greatly appreciated.

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HI i have getting problem in model when i load my 3d model it shows blue color whereas my model has multiple color

here is my code

ModelVisual3D device3D;

private Model3D Display3d(string model)
{
Model3D device = null;
try
{
//Adding a gesture here
viewPort3d.RotateGesture = new MouseGesture(MouseAction.LeftClick);

//// Material material = new DiffuseMaterial(new SolidColorBrush(Colors.MediumOrchid));
// System.Windows.Media.Media3D.Material mat = MaterialHelper.CreateMaterial(
//new SolidColorBrush(Color.FromRgb(255, 255, 255)));
//Import 3D model file

////////////Material m = new DiffuseMaterial(new SolidColorBrush(Color.FromRgb(255,255,255)));

//ModelImporter import = new ModelImporter();
var importer = new HelixToolkit.Wpf.ModelImporter();
var point = importer.Load(model);
//Load the 3D model file
//// import.DefaultMaterial = material;
//////////////////////////////import.DefaultMaterial = m;
GeometryModel3D mode = point.Children[0] as GeometryModel3D;
Material m = new DiffuseMaterial(new SolidColorBrush(Color.FromRgb(255, 255, 255)));
//import.DefaultMaterial = mat;
//mat = import.DefaultMaterial;

//mode.Material = m;

// device = import.Load(model);
importer.DefaultMaterial = m;
device = point;

}
catch (Exception e)
{
// Handle exception in case can not file 3D model
MessageBox.Show("Exception Error : " + e.StackTrace);
}
return device;
}

and xaml code is here

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:local="clr-namespace:fyp2"
mc:Ignorable="d"
d:DesignHeight="350" d:DesignWidth="525">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="12*"/>
<RowDefinition Height="163*"/>
</Grid.RowDefinitions>

<h:HelixViewport3D x:Name="viewPort3d" ZoomExtentsWhenLoaded="True" Margin="149,10,10,10" Grid.RowSpan="2" >
<!-- Remember to add light to the scene -->

<h:DefaultLights/>
</h:HelixViewport3D>
<ListView x:Name="imageList" HorizontalAlignment="Left" Height="330" Margin="10,10,0,0" VerticalAlignment="Top" Width="134" SelectionChanged="imageList_SelectionChanged" Grid.RowSpan="2"/>

</Grid>

When I want to load my .3ds file, I get an error:

You can see that the passed values for subFaces and faces are the same = 36.

This function is called here:

I think here is a bug. Can anyone help with this?

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