private void LoadWpf3DFile(string fileName)
{
string fileExtension = System.IO.Path.GetExtension(fileName);
Model3D readModel3D = null;
object readCamera = null;
if (!fileExtension.Equals(".wpf3d", StringComparison.OrdinalIgnoreCase))
{
MessageBox.Show("This sample can import only wpf3d files");
return;
}
InfoTextBlock.Visibility = Visibility.Collapsed;
// Use Wpf3DFile importer to read wpf3d file format
var wpf3DFile = new Ab3d.Utilities.Wpf3DFile();
// We could read only header (description and thumbnail without any model data - see importer sample):
//wpf3DFile.ReadFileHeader(fileName);
try
{
Mouse.OverrideCursor = Cursors.Wait;
readModel3D = wpf3DFile.ReadFile(fileName);
readCamera = wpf3DFile.Camera;
}
catch (Exception ex)
{
MessageBox.Show("Error reading file with Wpf3DFile:\r\n" + ex.Message);
}
finally
{
Mouse.OverrideCursor = null;
}
// Show the model
if (readModel3D != null)
{
ShowModel(readModel3D, readCamera);
_fileName = fileName;
}
}
public StandardTransformSample()
{
InitializeComponent();
// Read a teapot from wpf3d file
string fileName = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"Resources\wpf3d\teapot-hires.wpf3d");
var wpf3DFile = new Ab3d.Utilities.Wpf3DFile();
var teapotModel3D = wpf3DFile.ReadFile(fileName);
Ab3d.Utilities.ModelUtils.ChangeMaterial(teapotModel3D, new DiffuseMaterial(Brushes.Gold), newBackMaterial: null);
// Create a single StandardTransform3D that will be able to translate, rotate and scale the read teapot.
_standardTransform3D = new StandardTransform3D();
// We could also create a new StandardTransform3D with some initial transformations:
//_standardTransform3D = new StandardTransform3D()
//{
// RotateY = 30,
// TranslateX = 100,
// ScaleX = 1.3
//};
// To assign the _standardTransform3D to teapotModel3D we use the static SetStandardTransform3D method
StandardTransform3D.SetStandardTransform3D(teapotModel3D, _standardTransform3D, updateTransform3D: true);
// In some other location in the application we can read the StandardTransform3D from the teapotModel3D by:
//var standardTransform3D = StandardTransform3D.GetStandardTransform3D(teapotModel3D);
// Assign the _standardTransform3D to the editor control:
TransformEditor.StandardTransform3D = _standardTransform3D;
var contentVisual3D = teapotModel3D.CreateContentVisual3D();
MainViewport.Children.Add(contentVisual3D);
_rnd = new Random();
}
private void LoadModel(string fileName)
{
// Create an instance of AssimpWpfImporter
var assimpWpfImporter = new Ab3d.Assimp.AssimpWpfImporter();
string fileExtension = System.IO.Path.GetExtension(fileName);
Model3D readModel3D = null;
object readCamera = null;
if (fileExtension.Equals(".wpf3d", StringComparison.OrdinalIgnoreCase))
{
// Use Wpf3DFile importer to read wpf3d file format
var wpf3DFile = new Ab3d.Utilities.Wpf3DFile();
// We could read only header (description and thumbnail without any model data):
//wpf3DFile.ReadFileHeader(fileName);
try
{
Mouse.OverrideCursor = Cursors.Wait;
readModel3D = wpf3DFile.ReadFile(fileName);
readCamera = wpf3DFile.Camera;
}
catch (Exception ex)
{
MessageBox.Show("Error reading file with Wpf3DFile:\r\n" + ex.Message);
}
finally
{
Mouse.OverrideCursor = null;
}
}
else if (assimpWpfImporter.IsImportFormatSupported(fileExtension))
{
// Use assimp importer to read many other file formats
try
{
Mouse.OverrideCursor = Cursors.Wait;
assimpWpfImporter.DefaultMaterial = new DiffuseMaterial(Brushes.Silver);
assimpWpfImporter.AssimpPostProcessSteps = PostProcessSteps.Triangulate;
assimpWpfImporter.ReadPolygonIndices = true;
// Read model from file
readModel3D = assimpWpfImporter.ReadModel3D(fileName, texturesPath: null); // we can also define a textures path if the textures are located in some other directory (this is parameter can be skipped, but is defined here so you will know that you can use it)
}
catch (Exception ex)
{
MessageBox.Show("Error reading file with Assimp importer:\r\n" + ex.Message);
}
finally
{
// Dispose unmanaged resources
assimpWpfImporter.Dispose();
Mouse.OverrideCursor = null;
}
}
else
{
MessageBox.Show("Not supported file extension: " + fileExtension);
}
// Show the model
if (readModel3D != null)
{
ShowModel(readModel3D, readCamera);
_fileName = fileName;
}
}
