/// <summary>
/// Helper function to export elements
/// </summary>
/// <param name="emitter"></param>
/// <param name="collector"></param>
/// <param name="opt"></param>
void ExportElements(IFaceEmitter emitter, FilteredElementCollector collector, Options opt)
{
int nElements = 0;
int nSolids = 0;
foreach (Element e in collector)
{
++nElements;
nSolids += ExportElement(emitter, e, opt);
}
int nFaces = emitter.GetFaceCount();
int nTriangles = emitter.GetTriangleCount();
int nVertices = emitter.GetVertexCount();
}
/// <summary>
/// Recursive method that checks for groups and gets solid geometry from elements
/// </summary>
/// <param name="emitter"></param>
/// <param name="e"></param>
/// <param name="opt"></param>
/// <returns>int</returns>
int ExportElement(IFaceEmitter emitter, Element e, Options opt)
{
Group group = e as Group;
// if element successfully casts to a group then iterate through the group
if (null != group)
{
int n = 0;
foreach (ElementId id in group.GetMemberIds())
{
Element e2 = e.Document.GetElement(id);
n += ExportElement(emitter, e2, opt);
}
return(n);
}
// return if element has no category
if (null == e.Category)
{
return(0);
}
// access the geometry object
Solid solid = GetSolid(e, opt);
// return if no solid
if (null == solid)
{
return(0);
}
Material material;
Color color;
foreach (Face face in solid.Faces)
{
material = e.Document.GetElement(face.MaterialElementId) as Material;
// if no material, no color
color = (null == material) ? null : material.Color;
emitter.EmitFace(face, color);
}
return(1);
}
/// <summary>
/// Helper function to export elements
/// </summary>
/// <param name="emitter"></param>
/// <param name="collector"></param>
/// <param name="opt"></param>
void ExportElements(IFaceEmitter emitter, FilteredElementCollector collector, Options opt)
{
int nElements = 0;
int nSolids = 0;
foreach (Element e in collector)
{
++nElements;
nSolids += ExportElement(emitter, e, opt);
}
int nFaces = emitter.GetFaceCount();
int nTriangles = emitter.GetTriangleCount();
int nVertices = emitter.GetVertexCount();
}
/// <summary>
/// Recursive method that checks for groups and gets solid geometry from elements
/// </summary>
/// <param name="emitter"></param>
/// <param name="e"></param>
/// <param name="opt"></param>
/// <returns>int</returns>
int ExportElement(IFaceEmitter emitter, Element e, Options opt)
{
Group group = e as Group;
// if element successfully casts to a group then iterate through the group
if (null != group)
{
int n = 0;
foreach (ElementId id in group.GetMemberIds())
{
Element e2 = e.Document.GetElement(id);
n += ExportElement(emitter, e2, opt);
}
return n;
}
// return if element has no category
if (null == e.Category)
{
return 0;
}
// access the geometry object
Solid solid = GetSolid(e, opt);
// return if no solid
if (null == solid)
{
return 0;
}
Material material;
Color color;
foreach (Face face in solid.Faces)
{
material = e.Document.GetElement(face.MaterialElementId) as Material;
// if no material, no color
color = (null == material) ? null : material.Color;
emitter.EmitFace(face, color);
}
return 1;
}