public override void Calculate()
{
if (InputPorts[0].Data == null) return;
if (InputPorts[0].Data is string)
{
var extension = Path.GetExtension(InputPorts[0].Data as string);
var flag = false;
switch (extension)
{
case ".obj":
var currentHelixObjReader = new ObjReader();
try
{
var objModel = currentHelixObjReader.Read((string) InputPorts[0].Data);
var modelGroup = new GroupModel3D();
var modelGeometry = new Element3DCollection();
modelGeometry.AddRange(
objModel.Select(
x =>
new MeshGeometryModel3D
{
Geometry = x.Geometry as MeshGeometry3D,
Material = x.Material
}));
modelGroup.Children = modelGeometry;
Dispatcher.BeginInvoke((Action) delegate { _control.ViewPort3D.Items.Add(modelGroup); });
}
catch (Exception)
{
// ignore
}
break;
case ".stl":
var currentHelixStlReader = new StLReader();
try
{
var myModel = currentHelixStlReader.Read((string) InputPorts[0].Data);
// _control.ViewPort3D.Items.Add(myModel);
}
catch (Exception)
{
// ignore
}
break;
}
}
}
public void Read_Sphere_ValidModel()
{
var r = new StLReader();
var model = r.Read(@"Models\stl\sphere.stl");
Assert.AreEqual(1, model.Children.Count);
var m0 = (MeshGeometry3D)((GeometryModel3D)model.Children[0]).Geometry;
Assert.AreEqual(228, m0.TriangleIndices.Count / 3);
}
public void Read_Bottle_ValidModel()
{
var r = new StLReader();
var model = r.Read(@"Models\stl\bottle.stl");
Assert.AreEqual("FLIRIS", r.Header);
Assert.AreEqual(1, model.Children.Count);
var m0 = (MeshGeometry3D)((GeometryModel3D)model.Children[0]).Geometry;
Assert.AreEqual(1240, m0.TriangleIndices.Count / 3);
}
public void Read_BinaryBottle_ValidModel()
{
// ASCII format converted to BINARY by MeshLab
var r = new StLReader();
var model = r.Read(@"Models\stl\binary\bottle.stl");
Assert.AreEqual("VCG", r.Header);
Assert.AreEqual(1, model.Children.Count);
var m0 = (MeshGeometry3D)((GeometryModel3D)model.Children[0]).Geometry;
Assert.AreEqual(1240, m0.TriangleIndices.Count / 3);
}
public void Read_Cube_ValidModel()
{
// reader does not yet support quads
var r = new StLReader();
var model = r.Read(@"Models\stl\cube.stl");
Assert.AreEqual(1, model.Children.Count);
var m0 = (MeshGeometry3D)((GeometryModel3D)model.Children[0]).Geometry;
// Expects 6 quad faces => 12 triangles
Assert.AreEqual(12, m0.TriangleIndices.Count / 3);
}
public void Read_Bottle_DefaultMaterialChanged()
{
var r = new StLReader();
r.DefaultMaterial = MaterialHelper.CreateMaterial(Colors.Aqua);
var model = r.Read(@"Models\stl\bottle.stl");
Assert.AreEqual(1, model.Children.Count);
var gm0 = (GeometryModel3D)model.Children[0];
var m0 = (MaterialGroup)gm0.Material;
var dm = (DiffuseMaterial)m0.Children[0];
Assert.AreEqual(Colors.Aqua, ((SolidColorBrush)dm.Brush).Color);
}
public void Read_BottleFromStream_ValidModel()
{
Model3DGroup model;
using (var s = File.OpenRead(@"Models\stl\bottle.stl"))
{
var r = new StLReader();
model = r.Read(s);
}
Assert.AreEqual(1, model.Children.Count);
var m0 = (MeshGeometry3D)((GeometryModel3D)model.Children[0]).Geometry;
Assert.AreEqual(1240, m0.TriangleIndices.Count / 3);
}
/// <summary>
/// Loads a model from the specified path.
/// </summary>
/// <param name="path">The path.</param>
/// <param name="dispatcher">The dispatcher used to create the model.</param>
/// <param name="freeze">Freeze the model if set to <c>true</c>.</param>
/// <returns>A model.</returns>
/// <exception cref="System.InvalidOperationException">File format not supported.</exception>
public Model3DGroup Load(string path, Dispatcher dispatcher = null, bool freeze = false)
{
if (path == null)
{
return(null);
}
if (dispatcher == null)
{
dispatcher = Dispatcher.CurrentDispatcher;
}
Model3DGroup model;
var ext = Path.GetExtension(path);
if (ext != null)
{
ext = ext.ToLower();
}
switch (ext)
{
case ".3ds":
{
var r = new StudioReader(dispatcher)
{
DefaultMaterial = this.DefaultMaterial, Freeze = freeze
};
model = r.Read(path, ApplyNormalToFace);
break;
}
case ".lwo":
{
var r = new LwoReader(dispatcher)
{
DefaultMaterial = this.DefaultMaterial, Freeze = freeze
};
model = r.Read(path);
break;
}
case ".obj":
{
var r = new ObjReader(dispatcher)
{
DefaultMaterial = this.DefaultMaterial, Freeze = freeze
};
model = r.Read(path);
break;
}
case ".objz":
{
var r = new ObjReader(dispatcher)
{
DefaultMaterial = this.DefaultMaterial, Freeze = freeze
};
model = r.ReadZ(path);
break;
}
case ".stl":
{
var r = new StLReader(dispatcher)
{
DefaultMaterial = this.DefaultMaterial, Freeze = freeze
};
model = r.Read(path);
break;
}
case ".off":
{
var r = new OffReader(dispatcher)
{
DefaultMaterial = this.DefaultMaterial, Freeze = freeze
};
model = r.Read(path);
break;
}
default:
throw new InvalidOperationException("File format not supported.");
}
//if (!freeze)
//{
// dispatcher.Invoke(new Action(() => model.SetName(Path.GetFileName(path))));
//}
return(model);
}
/// <summary>
/// Loads a model from the specified path.
/// </summary>
/// <param name="path">The path.</param>
/// <returns>
/// A model.
/// </returns>
/// <exception cref="System.InvalidOperationException">File format not supported.</exception>
public Model3DGroup Load(string path)
{
if (path == null)
{
return(null);
}
Model3DGroup model;
var ext = Path.GetExtension(path);
if (ext != null)
{
ext = ext.ToLower();
}
switch (ext)
{
case ".3ds":
{
var r = new StudioReader();
model = r.Read(path);
break;
}
case ".lwo":
{
var r = new LwoReader {
DefaultMaterial = this.DefaultMaterial
};
model = r.Read(path);
break;
}
case ".obj":
{
var r = new ObjReader {
DefaultMaterial = this.DefaultMaterial
};
model = r.Read(path);
break;
}
case ".objz":
{
var r = new ObjReader {
DefaultMaterial = this.DefaultMaterial
};
model = r.ReadZ(path);
break;
}
case ".stl":
{
var r = new StLReader {
DefaultMaterial = this.DefaultMaterial
};
model = r.Read(path);
break;
}
case ".off":
{
var r = new OffReader {
DefaultMaterial = this.DefaultMaterial
};
model = r.Read(path);
break;
}
default:
throw new InvalidOperationException("File format not supported.");
}
return(model);
}
public void LoadOsp()
{
//ModelGeometry已經有幾何模型存在內部 及 阻擋檔案不存在的情況
if (this.IsLoaded || !System.IO.File.Exists(FilePath))
{
return;
}
//利用helixtoolkit.wpf裡面提供的StlReader讀檔案，後續要轉成wpf.sharpdx可用的格式
StLReader reader = new HelixToolkit.Wpf.StLReader();
this.ModelContainer = reader.Read(FilePath);
var geometryModel = this.ModelContainer.Children[0] as System.Windows.Media.Media3D.GeometryModel3D;
var mesh = geometryModel.Geometry as System.Windows.Media.Media3D.MeshGeometry3D;
//MIP產生的OSP一定是六個點
if (mesh.Positions.Count != 6)
{
return;
}
this.OspOriNormal = new Vector3D(mesh.Normals[0].X, mesh.Normals[0].Y, mesh.Normals[0].Z);
this.OspOriNormal.Normalize();//將上述向量正規化
this.OspPlanePoint = mesh.Positions[0];
//設定模型幾何形狀
HelixToolkit.Wpf.SharpDX.MeshGeometry3D modelGeometry = new HelixToolkit.Wpf.SharpDX.MeshGeometry3D();
modelGeometry.Normals = new Vector3Collection();
modelGeometry.Positions = new Vector3Collection();
modelGeometry.Indices = new IntCollection();
//將從stlreader讀到的資料轉入
foreach (Point3D position in mesh.Positions)
{
modelGeometry.Positions.Add(new Vector3(
Convert.ToSingle(position.X)
, Convert.ToSingle(position.Y)
, Convert.ToSingle(position.Z)));
}
modelGeometry.Colors = new Color4Collection();
for (int i = 0; i < mesh.Positions.Count; i++)
{
modelGeometry.Colors.Add(new Color4(0.1f, 0.1f, 0.8f, 0.2f));
}
foreach (Vector3D normal in mesh.Normals)
{
modelGeometry.Normals.Add(new Vector3(
Convert.ToSingle(normal.X)
, Convert.ToSingle(normal.Y)
, Convert.ToSingle(normal.Z)));
}
foreach (Int32 triangleindice in mesh.TriangleIndices)
{
modelGeometry.Indices.Add(triangleindice);
}
this.Geometry = modelGeometry;
SetOspMaterial();
this.Transform = new MatrixTransform3D();
this.IsLoaded = true;
}
/// <summary>
/// Loads a model from the specified path.
/// </summary>
/// <param name="path">
/// The path.
/// </param>
/// <returns>
/// A model.
/// </returns>
public static Model3DGroup Load(string path)
{
if (path == null)
{
return null;
}
Model3DGroup model = null;
string ext = Path.GetExtension(path).ToLower();
switch (ext)
{
case ".3ds":
{
var r = new StudioReader();
model = r.Read(path);
break;
}
case ".lwo":
{
var r = new LwoReader();
model = r.Read(path);
break;
}
case ".obj":
{
var r = new ObjReader();
model = r.Read(path);
break;
}
case ".objz":
{
var r = new ObjReader();
model = r.ReadZ(path);
break;
}
case ".stl":
{
var r = new StLReader();
model = r.Read(path);
break;
}
case ".off":
{
var r = new OffReader();
model = r.Read(path);
break;
}
default:
throw new InvalidOperationException("File format not supported.");
}
return model;
}
/// <summary>
/// Loads a model from the specified path.
/// </summary>
/// <param name="path">The path.</param>
/// <param name="dispatcher">The dispatcher used to create the model.</param>
/// <param name="freeze">Freeze the model if set to <c>true</c>.</param>
/// <returns>A model.</returns>
/// <exception cref="System.InvalidOperationException">File format not supported.</exception>
public Model3DGroup Load(string path, Dispatcher dispatcher = null, bool freeze = false)
{
if (path == null)
{
return null;
}
if (dispatcher == null)
{
dispatcher = Dispatcher.CurrentDispatcher;
}
Model3DGroup model;
var ext = Path.GetExtension(path);
if (ext != null)
{
ext = ext.ToLower();
}
switch (ext)
{
case ".3ds":
{
var r = new StudioReader(dispatcher) { DefaultMaterial = this.DefaultMaterial, Freeze = freeze };
model = r.Read(path);
break;
}
case ".lwo":
{
var r = new LwoReader(dispatcher) { DefaultMaterial = this.DefaultMaterial, Freeze = freeze };
model = r.Read(path);
break;
}
case ".obj":
{
var r = new ObjReader(dispatcher) { DefaultMaterial = this.DefaultMaterial, Freeze = freeze };
model = r.Read(path);
break;
}
case ".objz":
{
var r = new ObjReader(dispatcher) { DefaultMaterial = this.DefaultMaterial, Freeze = freeze };
model = r.ReadZ(path);
break;
}
case ".stl":
{
var r = new StLReader(dispatcher) { DefaultMaterial = this.DefaultMaterial, Freeze = freeze };
model = r.Read(path);
break;
}
case ".off":
{
var r = new OffReader(dispatcher) { DefaultMaterial = this.DefaultMaterial, Freeze = freeze };
model = r.Read(path);
break;
}
default:
throw new InvalidOperationException("File format not supported.");
}
//if (!freeze)
//{
// dispatcher.Invoke(new Action(() => model.SetName(Path.GetFileName(path))));
//}
return model;
}
public static Model3DGroup Load(string path, Dispatcher dispatcher = null, bool freeze = false, bool ignoreErrors = false)
{
if (path == null)
{
return null;
}
var defaultMaterial = Materials.Blue;
if (dispatcher == null)
{
dispatcher = Dispatcher.CurrentDispatcher;
}
Model3DGroup model;
var ext = Path.GetExtension(path).ToLower();
switch (ext)
{
case ".3ds":
{
var r = new StudioReader(dispatcher) { DefaultMaterial = defaultMaterial, Freeze = freeze };
model = r.Read(path);
break;
}
case ".lwo":
{
var r = new LwoReader(dispatcher) { DefaultMaterial = defaultMaterial, Freeze = freeze };
model = r.Read(path);
break;
}
case ".obj":
{
var r = new ObjReader(dispatcher) { DefaultMaterial = defaultMaterial, Freeze = freeze, IgnoreErrors = ignoreErrors };
model = r.Read(path);
break;
}
case ".objx":
{
var r = new ObjReader(dispatcher) { DefaultMaterial = defaultMaterial, Freeze = freeze, IgnoreErrors = ignoreErrors };
model = r.ReadZ(path);
break;
}
case ".stl":
{
var r = new StLReader(dispatcher) { DefaultMaterial = defaultMaterial, Freeze = freeze };
model = r.Read(path);
break;
}
case ".off":
{
var r = new OffReader(dispatcher) { DefaultMaterial = defaultMaterial, Freeze = freeze };
model = r.Read(path);
break;
}
default:
throw new InvalidOperationException("File format not supported.");
}
return model;
}
/// <summary>
/// Read FileData
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public ContainerUIElement3D ReadFileData(string path)
{
var extension = Path.GetExtension(path);
// var visModel = new ModelVisual3D();
var container = new ContainerUIElement3D();
switch (extension)
{
case ".obj":
var currentHelixObjReader = new ObjReader();
try
{
var myModel = currentHelixObjReader.Read(path);
foreach (var model in myModel.Children)
{
if (model is GeometryModel3D)
{
var geom = model as GeometryModel3D;
var element = new ModelUIElement3D {Model = geom};
element.MouseDown += (sender1, e1) => OnElementMouseDown(sender1, e1, this);
container.Children.Add(element);
}
}
}
catch (Exception)
{
// ignore
}
break;
case ".stl":
var currentHelixStlReader = new StLReader();
try
{
var myModel = currentHelixStlReader.Read(path);
foreach (var model in myModel.Children)
{
if (model is GeometryModel3D)
{
var geom = model as GeometryModel3D;
var element = new ModelUIElement3D {Model = geom};
element.MouseDown += (sender1, e1) => OnElementMouseDown(sender1, e1, this);
container.Children.Add(element);
}
}
}
catch (Exception)
{
// ignore
}
break;
}
return container;
}
