public IXbimMeshGeometry3D GetMeshGeometry3D(XbimMeshFragment frag)
{
var m3D = new XbimMeshGeometry3D();
var m = Mesh;
if (m != null)
{
for (int i = frag.StartPosition; i <= frag.EndPosition; i++)
{
Point3D p = m.Positions[i];
Vector3D v = m.Normals[i];
m3D.Positions.Add(new XbimPoint3D(p.X, p.Y, p.Z));
m3D.Normals.Add(new XbimVector3D(v.X, v.Y, v.Z));
}
for (int i = frag.StartTriangleIndex; i <= frag.EndTriangleIndex; i++)
{
m3D.TriangleIndices.Add(m.TriangleIndices[i] - frag.StartPosition);
}
m3D.Meshes.Add(new XbimMeshFragment(0, 0, 0)
{
EndPosition = m3D.PositionCount - 1,
StartTriangleIndex = frag.StartTriangleIndex - m3D.PositionCount - 1,
EndTriangleIndex = frag.EndTriangleIndex - m3D.PositionCount - 1
});
}
return(m3D);
}
public void Add(string mesh, short productTypeId, int productLabel, int geometryLabel, XbimMatrix3D? transform, short modelId)
{
XbimMeshFragment frag = new XbimMeshFragment(PositionCount, TriangleIndexCount, productTypeId, productLabel, geometryLabel, modelId);
Read(mesh, transform);
frag.EndPosition = PositionCount - 1;
frag.EndTriangleIndex = TriangleIndexCount - 1;
_meshes.Add(frag);
}
public void Add(byte[] mesh, short productTypeId, int productLabel, int geometryLabel, XbimMatrix3D? transform = null, short modelId = 0,
ITextureMapping textureMappingMethod = null)
{
var frag = new XbimMeshFragment(PositionCount, TriangleIndexCount, productTypeId, productLabel, geometryLabel, modelId);
Read(mesh, transform);
if (textureMappingMethod != null)
{
AddTextureMapping(textureMappingMethod.GetTextureMap(this._unfrozenPositions, this._unfrozenNormals, this._unfrozenTriangleIndices));
}
frag.EndPosition = PositionCount - 1;
frag.EndTriangleIndex = TriangleIndexCount - 1;
_meshes.Add(frag);
}
/// <summary>
/// Returns the Mesh Position, Normal, Indices data in a XbimMeshGeometry3D for the specified fragment
/// </summary>
/// <param name="sourceMesh"></param>
/// <param name="fragment"></param>
/// <returns></returns>
public static XbimMeshGeometry3D GetMeshGeometry3D(this MeshGeometry3D sourceMesh, XbimMeshFragment fragment)
{
XbimMeshGeometry3D mesh = new XbimMeshGeometry3D(fragment.PositionCount);
for (int i = fragment.StartPosition; i <= fragment.EndPosition; i++)
{
mesh.Positions.Add(sourceMesh.Positions[i]);
mesh.Normals.Add(sourceMesh.Normals[i]);
}
for (int i = fragment.StartTriangleIndex; i <= fragment.EndTriangleIndex; i++)
{
mesh.TriangleIndices.Add(sourceMesh.TriangleIndices[i] - fragment.StartPosition);
}
return mesh;
}
public MeshGeometry3D GetWpfMeshGeometry3D(XbimMeshFragment frag)
{
var m3D = new MeshGeometry3D();
var m = Mesh;
if (m != null)
{
for (int i = frag.StartPosition; i <= frag.EndPosition; i++)
{
Point3D p = m.Positions[i];
m3D.Positions.Add(p);
if (m.Normals != null)
{
Vector3D v = m.Normals[i];
m3D.Normals.Add(v);
}
}
for (int i = frag.StartTriangleIndex; i <= frag.EndTriangleIndex; i++)
{
m3D.TriangleIndices.Add(m.TriangleIndices[i] - frag.StartPosition);
}
}
return m3D;
}
public IXbimMeshGeometry3D GetMeshGeometry3D(XbimMeshFragment frag)
{
XbimMeshGeometry3D m3d = new XbimMeshGeometry3D();
for (int i = frag.StartPosition; i <= frag.EndPosition; i++)
{
m3d.Positions.Add(this.Positions[i]);
m3d.Normals.Add(this.Normals[i]);
}
for (int i = frag.StartTriangleIndex; i <= frag.EndTriangleIndex; i++)
{
m3d.TriangleIndices.Add(this.TriangleIndices[i] - frag.StartPosition);
}
return m3d;
}
//adds the content of the toAdd to this, it is added as a single mesh fragment, any meshes in toAdd are lost
public void Add(IXbimMeshGeometry3D toAdd, int entityLabel, Type ifcType)
{
int startPosition = Positions.Count;
XbimMeshFragment fragment = new XbimMeshFragment(startPosition, TriangleIndexCount);
Positions.AddRange(toAdd.Positions);
Normals.AddRange(toAdd.Normals);
foreach (var idx in toAdd.TriangleIndices)
TriangleIndices.Add(idx+startPosition);
fragment.EndPosition = PositionCount - 1;
fragment.EndTriangleIndex = TriangleIndexCount - 1;
fragment.EntityLabel = entityLabel;
fragment.EntityType = ifcType;
meshes.Add(fragment);
}
public IXbimMeshGeometry3D GetMeshGeometry3D(XbimMeshFragment frag)
{
var m3D = new XbimMeshGeometry3D();
for (var i = frag.StartPosition; i <= frag.EndPosition; i++)
{
m3D.Positions.Add(Positions[i]);
m3D.Normals.Add(Normals[i]);
}
for (var i = frag.StartTriangleIndex; i <= frag.EndTriangleIndex; i++)
{
m3D.TriangleIndices.Add(TriangleIndices[i] - frag.StartPosition);
}
return m3D;
}
public void Add(string mesh, short productTypeId, int productLabel, int geometryLabel, XbimMatrix3D? transform, short modelId)
{
lock (meshLock)
{
var frag = new XbimMeshFragment(PositionCount, TriangleIndexCount, productTypeId, productLabel, geometryLabel, modelId);
Read(mesh, transform);
frag.EndPosition = PositionCount - 1;
frag.EndTriangleIndex = TriangleIndexCount - 1;
_meshes.Add(frag);
}
}
//adds the content of the toAdd to this, it is added as a single mesh fragment, any meshes in toAdd are lost
public void Add(IXbimMeshGeometry3D toAdd, int entityLabel, Type ifcType, short modelId)
{
var startPosition = Positions.Count;
var fragment = new XbimMeshFragment(startPosition, TriangleIndexCount, modelId);
Positions.AddRange(toAdd.Positions);
Normals.AddRange(toAdd.Normals);
foreach (var idx in toAdd.TriangleIndices)
TriangleIndices.Add(idx + startPosition);
fragment.EndPosition = PositionCount - 1;
fragment.EndTriangleIndex = TriangleIndexCount - 1;
fragment.EntityLabel = entityLabel;
fragment.EntityTypeId = IfcMetaData.IfcTypeId(ifcType);
_meshes.Add(fragment);
}
public IXbimMeshGeometry3D GetMeshGeometry3D(XbimMeshFragment frag)
{
var m3D = new XbimMeshGeometry3D();
var m = Mesh;
if (m != null)
{
for (int i = frag.StartPosition; i <= frag.EndPosition; i++)
{
Point3D p = m.Positions[i];
Vector3D v = m.Normals[i];
m3D.Positions.Add(new XbimPoint3D(p.X, p.Y, p.Z));
m3D.Normals.Add(new XbimVector3D(v.X, v.Y, v.Z));
}
for (int i = frag.StartTriangleIndex; i <= frag.EndTriangleIndex; i++)
{
m3D.TriangleIndices.Add(m.TriangleIndices[i] - frag.StartPosition);
}
m3D.Meshes.Add(new XbimMeshFragment(0, 0,0)
{
EndPosition = m3D.PositionCount - 1,
StartTriangleIndex = frag.StartTriangleIndex - m3D.PositionCount - 1,
EndTriangleIndex = frag.EndTriangleIndex - m3D.PositionCount - 1
});
}
return m3D;
}
public MeshGeometry3D GetWpfMeshGeometry3D(XbimMeshFragment frag)
{
var m3D = new MeshGeometry3D();
var m = Mesh;
if (m != null)
{
for (int i = frag.StartPosition; i <= frag.EndPosition; i++)
{
Point3D p = m.Positions[i];
m3D.Positions.Add(p);
if (m.Normals != null)
{
Vector3D v = m.Normals[i];
m3D.Normals.Add(v);
}
}
for (int i = frag.StartTriangleIndex; i <= frag.EndTriangleIndex; i++)
{
m3D.TriangleIndices.Add(m.TriangleIndices[i] - frag.StartPosition);
}
}
return m3D;
}
