private void GetPly(Face item, List<String> MaterialIDsList, List<LuxExporter.PLY.PLY_By_Material> PLYList, Transform instTransform)
{
//get the material ID
String sMaterialID = item.MaterialElementId.ToString();
//check whether we have this material already
if (MaterialIDsList.Contains(sMaterialID))
{
//get index of PLY
LuxExporter.PLY.PLY_By_Material PLYWorker = PLYList[MaterialIDsList.IndexOf(sMaterialID)];
//process face
PLYWorker.TriangulateFace(item, instTransform);
}
else
{
MaterialIDsList.Add(sMaterialID);
LuxExporter.PLY.PLY_By_Material PLYWorker = new PLY.PLY_By_Material();
//process face
PLYWorker.TriangulateFace(item, instTransform);
PLYWorker.MaterialID = item.MaterialElementId;
Material FaceMaterial;
FaceMaterial = vDoc.get_Element(PLYWorker.MaterialID) as Material;
if (FaceMaterial == null)
{
PLYWorker.MaterialName = "Default";
}
else
{
PLYWorker.MaterialName = FaceMaterial.Name.ToString();
//in future: check whether this is a Glass2 Material via stored data
//for now just check transparency
if (FaceMaterial.Transparency > 0)
{
PLYWorker.Is_Glass2 = true;
}
}
//add to list
PLYList.Add(PLYWorker);
}
}
public StringBuilder ExportToPLY_Mesh(Options GeometryOption, Transform t)
{
try
{
GeometryElement element = vRevitElement.get_Geometry(GeometryOption);
GeometryObjectArray geoObjectArray = element.Objects;
//setup export string
StringBuilder strMesh = new StringBuilder("");
//setup mesh
Mesh mesh = null;
foreach (GeometryObject obj in geoObjectArray)
{
mesh = obj as Mesh;
if (null != mesh)
{
break;
}
}
if (null != mesh)
{
//create a PLY by naterial class
LuxExporter.PLY.PLY_By_Material PLYWorker = new PLY.PLY_By_Material();
//get the mesh material
PLYWorker.MaterialID = mesh.MaterialElementId;
Material FaceMaterial;
FaceMaterial = vDoc.get_Element(PLYWorker.MaterialID) as Material;
if (FaceMaterial == null)
{
PLYWorker.MaterialName = "Default";
}
else
{
PLYWorker.MaterialName = FaceMaterial.Name.ToString();
//in future: check whether this is a Glass2 Material via stored data
//for now just check transparency
if (FaceMaterial.Transparency > 0)
{
PLYWorker.Is_Glass2 = true;
}
}
//export mesh
PLYWorker.TriangulateTopoMesh(mesh);
//create output filr path
String sOutputPathSceneFile = vOutputFilePath + vRevitElement.UniqueId.ToString() + "_0_0.PLY";
//write ply file out:
WritePLYFile(PLYWorker, sOutputPathSceneFile);
//create geo file string
strMesh.AppendLine("AttributeBegin # " + vRevitElement.Name.ToString());
strMesh.AppendLine("NamedMaterial \"" + PLYWorker.MaterialName + "\"");
strMesh.AppendLine("");
if (PLYWorker.Is_Glass2)
{
strMesh.AppendLine("Interior \""+PLYWorker.MaterialName+"\"");
//strMesh.AppendLine("Exterior \"World\"");
}
strMesh.AppendLine("Shape \"plymesh\"");
strMesh.AppendLine("\"string filename\" [\"" + sOutputPathSceneFile + "\"]");
strMesh.AppendLine("\"string subdivscheme\" [\"loop\"]");
strMesh.AppendLine("\"integer nsubdivlevels\" [0]");
strMesh.AppendLine("\"bool dmnormalsmooth\" [\"false\"]");
strMesh.AppendLine("\"bool dmsharpboundary\" [\"true\"]");
strMesh.AppendLine("\"bool dmnormalsplit\" [\"false\"]");
strMesh.AppendLine("AttributeEnd # \"\"");
}
else
{
//no valid mesh found
strMesh = null;
}
//return geo file info
return strMesh;
}
catch (Exception)
{
System.Windows.Forms.MessageBox.Show("Error in module Revit_Geometry_Worker (ExportToPLY_Mesh)");
return null;
throw;
}
}
