public static GeometryModel3D[] GetModels(IfcViewerWrapper ifcModel)
{
var ifc = (IfcViewerWrapper)ifcModel.Data;
var modelList = GetItems(ifc);
return(modelList.Cast <GeometryModel3D>().ToArray());
}
public static TreeViewItem GetTreeItems(IfcViewerWrapper ifcModel, GeometryModel3D[] models)
{
var treeItem = new TreeViewItem()
{
Header = ifcModel.Name,
DataContext = ifcModel
};
if (models == null)
{
return(null);
}
foreach (var model in models)
{
var subItem = new TreeViewItem()
{
Header = model.Name,
DataContext = model
};
var ifcTree = ((IfcMeshGeometryModel3D)model).IfcTreeNode;
addSubtree(ref subItem, ifcTree);
var hideItem = new TreeViewItem()
{
Header = "hide",
};
hideItem.MouseUp += delegate(object sender, MouseButtonEventArgs args)
{
if (model.Visibility == Visibility.Visible)
{
model.Visibility = Visibility.Hidden;
hideItem.Header = "show";
}
else
{
model.Visibility = Visibility.Visible;
hideItem.Header = "hide";
}
};
subItem.Items.Add(hideItem);
treeItem.Items.Add(subItem);
}
return(treeItem);
}
public static IfcMeshGeometryModel3D[] GetItems(IfcViewerWrapper model, bool loadTexture = true, string[] filter = null)
{
var element = model.RootIfcItem;
var modelList = new List <IfcMeshGeometryModel3D>();
Draw(element, ref modelList, null);
AssignIfcProperties(model.Tree, ref modelList);
foreach (var model3D in modelList)
{
try
{
model3D.Name = new string(model3D.IfcName.ToCharArray().Where(c => Char.IsLetter(c) || Char.IsNumber(c)).ToArray());
}
catch (Exception)
{
LogManager.GetCurrentClassLogger().Info("Can not assign name " + model3D.IfcName + "to IFC element");
}
if (true)
{
var returnColor = new SharpDX.Color3(.8f, .8f, .8f);
if (model3D.IfcName.Contains("pierCap"))
{
returnColor = new SharpDX.Color3(0, 0.8f, 0);
}
else if (model3D.IfcName.Contains("deck"))
{
returnColor = new SharpDX.Color3(0.8f, 0, 0);
}
else if (model3D.IfcName.Contains("Concrete-Round-Column"))
{
returnColor = new SharpDX.Color3(0.8f, 0.8f, 0);
}
else if (model3D.IfcName.Contains("Surface"))
{
returnColor = new SharpDX.Color3(0.87f, 0.72f, .53f);
}
else if (model3D.IfcName.Contains("Foundation"))
{
returnColor = new SharpDX.Color3(0.12f, 0.56f, 0.8f);
}
else if (model3D.IfcName.Contains("Floor"))
{
returnColor = new SharpDX.Color3(0.12f, 0.56f, 0.8f);
}
else if (model3D.IfcName.Contains("Basic Wall"))
{
returnColor = new SharpDX.Color3(0.64f, 0.11f, 1f);
}
else
{
returnColor = new SharpDX.Color3(0.8f, 0, 0);
}
model3D.Material = new PhongMaterial()
{
AmbientColor = new SharpDX.Color4(returnColor.Red * .3f, returnColor.Green * .3f, returnColor.Blue * .3f, 1f),
DiffuseColor = new SharpDX.Color4(returnColor, 1f)
};
}
else
{
model3D.Material = new PhongMaterial()
{
DiffuseColor = new Color4(0.1f, 0.1f, 0.15f, 1.0f),
AmbientColor = new Color4(0.1f, 0.1f, 0.15f, 1.0f),
SpecularColor = new Color4(0.1f, 0.1f, 0.15f, 1.0f),
EmissiveColor = new Color4(0.1f, 0.1f, 0.02f, 0.5f),
SpecularShininess = 0.5f
};
}
}
return(modelList.ToArray());
}
public void Export(MeshGeometryModel3D[] modelList, string filename, string texturePath = "", bool exportTexture = false)
{
var path = Path.GetDirectoryName(filename);
var objFile = filename;
var mtlFile = path + @"\" + Path.GetFileNameWithoutExtension(filename) + ".mtl";
int offset = 0;
var objWriter = new StreamWriter(objFile);
StreamWriter mtlWriter = null;
if (exportTexture)
{
mtlWriter = new StreamWriter(mtlFile);
}
if (exportTexture)
{
objWriter.WriteLine("mtllib " + Path.GetFileName(mtlFile));
objWriter.WriteLine();
}
objWriter.WriteLine("o " + Path.GetFileNameWithoutExtension(filename));
var translate = -findPointOfGravity(modelList);
foreach (var element in modelList)
{
var modelName = IfcViewerWrapper.GetValidPathName(element.Name);
var tmpFile = path + @"\" + modelName + ".obj";
List <string> vList = new List <string>();
List <string> vtList = new List <string>();
List <string> vnList = new List <string>();
List <string> fList = new List <string>();
var exp = new ObjExporter(tmpFile);
exp.ExportNormals = true;
exp.ExportMesh((MeshGeometry3D)element.Geometry, Transform3D.Identity);
exp.Close();
using (StreamReader sr = File.OpenText(tmpFile))
{
string s = "";
while ((s = sr.ReadLine()) != null)
{
switch (s.Split(' ')[0])
{
case "v":
var e = s.Split(' ');
var sl = "v " + (Convert.ToDouble(e[1]) + translate.X) + " " + (-Convert.ToDouble(e[3]) + translate.Y) + " " + (Convert.ToDouble(e[2]) + translate.Z);
vList.Add(sl);
break;
case "vt":
vtList.Add(s);
break;
case "vn":
vnList.Add(s);
break;
case "f":
var split = s.Split(' ');
var st = "f ";
for (int i = 3; i > 0; i--)
{
var ad = split[i].Split('/');
st += (Convert.ToInt32(ad[0]) + offset) + "/" +
(Convert.ToInt32(ad[2]) + offset) +
"/" + (Convert.ToInt32(ad[1]) + offset) + " ";
}
fList.Add(st);
break;
}
}
}
File.Delete(tmpFile);
var tmpMtlFile = Path.GetFileName(tmpFile).Split('.');
tmpMtlFile[tmpMtlFile.Length - 1] = "mtl";
File.Delete(Path.GetDirectoryName(tmpFile) + @"\" + String.Join(".", tmpMtlFile));
offset += vList.Count;
objWriter.WriteLine();
objWriter.WriteLine("g " + modelName);
foreach (var line in vList)
{
objWriter.WriteLine(line);
}
foreach (var line in vtList)
{
objWriter.WriteLine(line);
}
foreach (var line in vnList)
{
objWriter.WriteLine(line);
}
if (exportTexture)
{
objWriter.WriteLine();
objWriter.WriteLine("usemtl material_" + modelName);
}
foreach (var f in fList)
{
objWriter.WriteLine(f);
}
if (exportTexture)
{
mtlWriter.WriteLine("newmtl material_" + modelName + "\n" +
"Ks 0.000 0.000 0.000 # black (off)" + "\n" +
"map_Kd " + modelName + ".jpg" + "\n");
}
var textureFile = texturePath + @"\" + modelName + ".jpg";
if (!texturePath.Equals("") && File.Exists(textureFile))
{
File.Copy(textureFile, path + @"\" + Path.GetFileName(textureFile));
}
}
objWriter.Close();
if (exportTexture)
{
mtlWriter.Close();
}
}
public static IfcMeshGeometryModel3D[] GetItems(IfcViewerWrapper model)
{
var element = model.RootIfcItem;
var modelList = new List<IfcMeshGeometryModel3D>();
Draw(element, ref modelList);
foreach (var model3D in modelList)
{
model3D.Material = new PhongMaterial()
{
DiffuseColor = new Color4(0.1f, 0.1f, 0.15f, 1.0f),
AmbientColor = new Color4(0.1f, 0.1f, 0.15f, 1.0f),
SpecularColor = new Color4(0.1f, 0.1f, 0.15f, 1.0f),
EmissiveColor = new Color4(0.1f, 0.1f, 0.02f, 0.5f),
SpecularShininess = 0.5f
};
}
return modelList.ToArray();
}
public static GeometryModel3D[] GetModels(IfcViewerWrapper ifcModel)
{
var ifc = (IfcViewerWrapper)ifcModel.Data;
var modelList = GetItems(ifc);
return modelList.Cast<GeometryModel3D>().ToArray();
}
