private Boolean WritePLYFile(LuxExporter.PLY.PLY_By_Material item, String sOutputPathSceneFile)
{
try
{
//get lists
List<String> VerticesIndexList = item.GetIndecisList();
List<String> VerticesList = item.GetVerticesList();
//check whether file exists
System.IO.FileInfo finfo = new System.IO.FileInfo(sOutputPathSceneFile);
if (finfo.Exists)
{
System.Windows.Forms.MessageBox.Show("WritePLYFile::Element id: " + vRevitElement.Id.ToString()+" OutPut:"+sOutputPathSceneFile);
// throw new System.InvalidOperationException("FileExists"); ;
}
//write list out to geometry file
using (System.IO.StreamWriter PLYFile = new System.IO.StreamWriter(sOutputPathSceneFile))
{
Int32 iNumberofVertices = item.NoOfVertice();
Int32 iNumberofFaces = item.NoofFaces;
//write out PLY header
string[] lines_Header = {"ply",
"format ascii 1.0",
"comment Created by LuxExporter Revit 0.1 exporter for LuxRender - www.luxrender.net",
"element vertex "+iNumberofVertices.ToString(), //add number of vertices here
"property float x",
"property float y",
"property float z",
"property float nx",
"property float ny",
"property float nz",
// "property float s",
// "property float t",
"element face "+iNumberofFaces.ToString(), //add number of faces here
"property list uchar uint vertex_indices",
"end_header"};
foreach (String Header in lines_Header)
{
PLYFile.WriteLine(Header);
}
//write out index list
foreach (String Index in VerticesList)
{
PLYFile.WriteLine(Index);
}
//write out index list
foreach (String Index in VerticesIndexList)
{
PLYFile.WriteLine(Index);
}
//close PLY file
PLYFile.Close();
}
return true;
}
catch (Exception)
{
System.Windows.Forms.MessageBox.Show("Error in module Revit_Geometry_Worker (WritePLYFile) ");
return false;
}
}
private String ExportElementList(IEnumerable<Element> ElementList,
View3D ExportView, Autodesk.Revit.DB.Options GeometryOption,
String sOutputPathGeoFile,
String sPLYFilePath,
LuxExporter.Revit_Linked_Files RevitLink)
{
//set up export string list
List<StringBuilder> ListExport = new List<StringBuilder>();
//setup list containing topo information
List<Autodesk.Revit.DB.TopographySurface> lTopos = new List<TopographySurface>();
//setup list containing Lights
List<FamilyInstance> Lights = new List<FamilyInstance>();
//setup list containing instance information
List<LuxExporter.Revit_Instance> lFamilyInstances = new List<Revit_Instance>();
List<String> LDebug = new List<string>();
//loop through all elements and export
foreach (Element item in ElementList)
{
//check when link if item is visible in view
if (!IsHiddenElementOrCategory(item,ExportView))
{
//debug
LDebug.Add(item.Id.ToString() + " " + item.GetType().ToString());
//check for topo surface and add to collection if true for later processing
if (item.GetType() == typeof(Autodesk.Revit.DB.TopographySurface))
{
lTopos.Add(item as Autodesk.Revit.DB.TopographySurface);
//jump to next item
continue;
}
//check whether we have a link file and add link identifier to object name
String LinkName = "";
if (RevitLink!=null)
{
LinkName = RevitLink.LinkShortName;
}
else
{
LinkName = null;
}
//check whether we can instance the element
//create unique family type name
LuxExporter.Revit_Instance objInstance = new Revit_Instance(item, vDoc,LinkName);
//flag for bounding box check
Boolean BoundingBoxOK = true;
//only if view has sectionbox active!
if (ExportView.SectionBox.Enabled)
{
//get boundingbox of item
BoundingBoxXYZ ElementBounding = item.get_BoundingBox(ExportView);
//if link I will need to transform the items boundingbox by the link transformatio
if (RevitLink!=null)
{
//get the first transform (models clashing with section box will only have one)
Transform t= RevitLink.Transformations[0];
//ElementBounding = new BoundingBoxXYZ(t.OfPoint(ElementBounding.Max, t.OfPoint(ElementBounding.Min)));
}
//get sectionbox
Autodesk.Revit.DB.BoundingBoxXYZ ViewSectionBox = ExportView.SectionBox;
//check whether element bounding box is completely enclosed in view bounding box if not disable instancing!
LuxExporter.Revit_BoundingBox_Checker checker = new Revit_BoundingBox_Checker();
BoundingBoxOK = checker.BoundingBox_Checker(ElementBounding, ViewSectionBox);
}
//check whether we have a lighting fixture family
if (objInstance.CategoryName == "lighting fixtures")
{
//add family to list
Lights.Add(item as Autodesk.Revit.DB.FamilyInstance);
}
//check whether family contains light sources
List<FamilyInstance> NestedLights = objInstance.GetNestedLightFamilies();
if (NestedLights != null)
{
//add nested families to list
foreach (FamilyInstance iLight in NestedLights)
{
Lights.Add(iLight);
}
}
//check if we have a family vs system family and whether family is completely within section box
if (!objInstance.ElementIsSystemFamily && BoundingBoxOK)
{
//export geometry
//get the export string from geometry class
try
{
StringBuilder dummy = new StringBuilder("");
//check whether item is allready in list
if (lFamilyInstances.Contains(objInstance))
{
//instanciate lux object
dummy.AppendLine(CreateLuxObjectInstanceFromFamily(objInstance, RevitLink).ToString());
//add to output
ListExport.Add(dummy);
}
else
{
// instanciate worker class and pass geo element to it
Revit_Geometry_Worker Exporter = new Revit_Geometry_Worker(item, sPLYFilePath, vDoc);
//get geo data without transformation
StringBuilder ExportString = Exporter.ExportToPLY_Solid(GeometryOption,false);
//need to check whether instance has location point if yes add to list other wise no instancing enabled!!
Boolean CheckForInsertionPoint = objInstance.HasInsertionPoint();
String sPrefix = "";
//check whether this item comes from linked file
if (objInstance.HostName!=null)
{
sPrefix = objInstance.HostName + "_";
}
//check whether item has insertion point
if (CheckForInsertionPoint)
{
//'add the instance to list only if instance has an insertion point rather then a insertion curve
lFamilyInstances.Add(objInstance);
dummy.AppendLine("ObjectBegin " + "\"" + sPrefix + objInstance.GetUniqueFamilyInstanceName.ToString() + "\"");
}
else
{
dummy.AppendLine("ObjectBegin " + "\"" + sPrefix + item.UniqueId.ToString() + "\"");
}
if (ExportString != null)
{
ListExport.Add(dummy);
//add ply data to list...
ListExport.Add(ExportString);
//place an instance of the object
dummy = new StringBuilder("");
dummy.AppendLine("ObjectEnd");
dummy.AppendLine("");
dummy.AppendLine(CreateLuxObjectInstanceFromFamily(objInstance, RevitLink).ToString());
ListExport.Add(dummy);
}
}
}
catch (Exception)
{
MessageBox.Show("Error while trying to export family instance");
throw;
}
}
else
//system family
{
try
{
// instanciate worker class and pass geo element to it
Revit_Geometry_Worker Exporter = new Revit_Geometry_Worker(item, sPLYFilePath, vDoc);
//get geo data
StringBuilder ExportString = Exporter.ExportToPLY_Solid(GeometryOption,false);
//set up lux string
if (ExportString != null)
{
StringBuilder dummy = new StringBuilder("");
//get export string
dummy=CreateLuxAttribute(ExportString, RevitLink, item.UniqueId.ToString());
//add to export list
ListExport.Add(dummy);
if (RevitLink!=null)
{
///if this is a link file add instance stuff
dummy = CreateLuxInstanceFromSystemFamily(RevitLink, item.UniqueId.ToString());
//add to export list
ListExport.Add(dummy);
}
}
}
catch (Exception)
{
MessageBox.Show("Error while trying to eport system family");
throw;
}
}
}
//debugging
//write out element id
String sOutputPathDebugFile = "";
if (RevitLink!=null)
{
sOutputPathDebugFile = vOutputFilePath + "/" + "Debug_" + RevitLink.UniqueLinkName.ToString() + ".txt";
}
else
{
sOutputPathDebugFile = vOutputFilePath + "/" + "Debug.txt";
}
using (System.IO.StreamWriter DebugFile = new System.IO.StreamWriter(sOutputPathDebugFile))
{
foreach (String debug in LDebug)
{
DebugFile.WriteLine(debug);
}
}
}
try
{
//process any topography surface if found
if (lTopos.Count > 0)
{
//loop through all topos found
foreach (TopographySurface itemT in lTopos)
{
// instanciate worker class and pass geo element to it
Revit_Geometry_Worker Exporter = new Revit_Geometry_Worker(itemT, sPLYFilePath, vDoc);
//get geo data
StringBuilder ExportString = Exporter.ExportToPLY_Mesh(GeometryOption,RevitLinkTransform);
if (ExportString != null)
{
StringBuilder dummy = new StringBuilder("");
//get formatted export string
dummy = CreateLuxAttribute(ExportString, RevitLink, itemT.UniqueId.ToString());
//add to export list
ListExport.Add(dummy);
if (RevitLink != null)
{
//if this is a link file add instance stuff
dummy = CreateLuxInstanceFromSystemFamily(RevitLink, itemT.UniqueId.ToString());
//add to export list
ListExport.Add(dummy);
}
}
}
}
}
catch (Exception)
{
MessageBox.Show("Failed to export topo");
throw;
}
try
{
//process any lights found
foreach (FamilyInstance item in Lights)
{
//check whether familyinstance already processed before...
//process lights
//LuxExporter.Revit_Light_Worker LightProcessor = new Revit_Light_Worker(item, vDoc);
//StringBuilder ExportString = LightProcessor.ExportLight(GeometryOption);
//if (ExportString != null)
//{
// //StringBuilder dummy = new StringBuilder("");
// //dummy = CreateLuxAttribute(ExportString, RevitLink, item.UniqueId.ToString());
// //ListExport.Add(dummy);
// //if (RevitLink != null)
// //{
// // dummy = CreateLuxInstanceFromNonFamily(RevitLink, item.UniqueId.ToString());
// // ListExport.Add(dummy);
// //}
//}
}
//create geo file
try
{
//write list out to geometry file
using (System.IO.StreamWriter GeoFile = new System.IO.StreamWriter(sOutputPathGeoFile))
{
foreach (StringBuilder line in ListExport)
{
GeoFile.WriteLine(line);
}
}
}
catch (Exception)
{
MessageBox.Show("Failed to write geoFile");
throw;
}
return sOutputPathGeoFile;
}
catch (Exception)
{
MessageBox.Show("Failed To Export Lights");
throw;
}
}
private StringBuilder CreateLuxInstanceFromSystemFamily(LuxExporter.Revit_Linked_Files RevitLink, String ObjectName)
{
StringBuilder dummy = new StringBuilder("");
foreach (Transform item in RevitLink.Transformations)
{
dummy.AppendLine("AttributeBegin");
dummy.AppendLine("TransformBegin");
//calculate Transformation matrix
LuxExporter.Revit_Transform TransFormMatrix = new Revit_Transform();
String sTransFormMatrix = TransFormMatrix.TransformationInHost(item);
//finalise output string
dummy.AppendLine("#Revit T CreateLuxInstanceFromNonFamily");
dummy.AppendLine("Transform [" + sTransFormMatrix + "]");
dummy.AppendLine("ObjectInstance \"" + RevitLink.LinkShortName + "_" + ObjectName + "\"");
dummy.AppendLine("TransformEnd");
dummy.AppendLine("AttributeEnd");
dummy.AppendLine("");
}
return dummy;
}
private StringBuilder CreateLuxObjectInstanceFromFamily(LuxExporter.Revit_Instance objInstance, LuxExporter.Revit_Linked_Files RevitLink)
{
StringBuilder dummy = new StringBuilder();
if (RevitLink==null)
{
dummy.AppendLine("AttributeBegin");
dummy.AppendLine("TransformBegin");
//calculate Transformation matrix
LuxExporter.Revit_Transform TransFormMatrix = new Revit_Transform();
String sTransFormMatrix = TransFormMatrix.TransformationInHost(objInstance.FamilyTransform);
//finalise output string
dummy.AppendLine("#Revit T CreateLuxObjectInstanceFromFamily");
dummy.AppendLine("Transform [" + sTransFormMatrix + "]");
dummy.AppendLine("ObjectInstance \"" + objInstance.GetUniqueFamilyInstanceName.ToString() + "\"");
dummy.AppendLine("TransformEnd");
dummy.AppendLine("AttributeEnd");
}
else
{
foreach (Transform item in RevitLink.Transformations)
{
dummy.AppendLine("AttributeBegin");
dummy.AppendLine("TransformBegin");
//calculate Transformation matrix
LuxExporter.Revit_Transform TransFormMatrix = new Revit_Transform();
String sTransFormMatrix = TransFormMatrix.TransformationInLink(objInstance, item);
//finalise output string
dummy.AppendLine("#Revit T ...");
dummy.AppendLine("Transform [" + sTransFormMatrix + "]");
dummy.AppendLine("ObjectInstance \"" + objInstance.HostName+"_"+ objInstance.GetUniqueFamilyInstanceName.ToString() + "\"");
dummy.AppendLine("TransformEnd");
dummy.AppendLine("AttributeEnd");
dummy.AppendLine("");
}
}
return dummy;
}
private StringBuilder CreateLuxAttribute(StringBuilder ExportString, LuxExporter.Revit_Linked_Files RevitLink, String ObjectName)
{
StringBuilder dummy = new StringBuilder("");
if (RevitLink==null)
{
//add export string
dummy.AppendLine(ExportString.ToString());
//add blank line
dummy.AppendLine("");
}
else
{
//add object namw
dummy.AppendLine("ObjectBegin " + "\"" + RevitLink.LinkShortName + "_" + ObjectName + "\"");
//add export string
dummy.AppendLine(ExportString.ToString());
//close object
dummy.AppendLine("ObjectEnd");
}
//return new list
return dummy;
}
