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 static void AddElements(this MeshGeometry3D m, IPersistIfcEntity item, XbimMatrix3D wcsTransform)
{
var fromModel = item.ModelOf as XbimModel;
if (fromModel == null || !(item is IfcProduct))
{
return;
}
switch (fromModel.GeometrySupportLevel)
{
case 2:
var context = new Xbim3DModelContext(fromModel);
var productShape = context.ShapeInstancesOf((IfcProduct)item)
.Where(s => s.RepresentationType != XbimGeometryRepresentationType.OpeningsAndAdditionsExcluded)
.ToList();
if (!productShape.Any() && item is IfcFeatureElement)
{
productShape = context.ShapeInstancesOf((IfcProduct)item)
.Where(
s => s.RepresentationType == XbimGeometryRepresentationType.OpeningsAndAdditionsExcluded)
.ToList();
}
if (!productShape.Any())
{
return;
}
foreach (var shapeInstance in productShape)
{
IXbimShapeGeometryData shapeGeom =
context.ShapeGeometry(shapeInstance.ShapeGeometryLabel);
switch ((XbimGeometryType)shapeGeom.Format)
{
case XbimGeometryType.PolyhedronBinary:
m.Read(shapeGeom.ShapeData,
XbimMatrix3D.Multiply(shapeInstance.Transformation, wcsTransform));
break;
case XbimGeometryType.Polyhedron:
m.Read(((XbimShapeGeometry)shapeGeom).ShapeData,
XbimMatrix3D.Multiply(shapeInstance.Transformation, wcsTransform));
break;
}
}
break;
case 1:
var xm3d = new XbimMeshGeometry3D();
var geomDataSet = fromModel.GetGeometryData(item.EntityLabel, XbimGeometryType.TriangulatedMesh);
foreach (var geomData in geomDataSet)
{
var gd = geomData.TransformBy(wcsTransform);
xm3d.Add(gd);
}
m.Add(xm3d);
break;
}
}
public static XbimMeshGeometry3D GetMesh(this XbimModel xbimModel, IEnumerable<IPersistIfcEntity> items, XbimMatrix3D wcsTransform)
{
var m = new XbimMeshGeometry3D();
if (xbimModel.GeometrySupportLevel == 1)
{
// this is what happens for version 1 of the engine
//
foreach (var item in items)
{
var fromModel = item.ModelOf as XbimModel;
if (fromModel == null)
continue;
var geomDataSet = fromModel.GetGeometryData(item.EntityLabel, XbimGeometryType.TriangulatedMesh);
foreach (var geomData in geomDataSet)
{
// todo: add guidance to the TransformBy method so that users can understand how to stop using it (it's marked absolete)
geomData.TransformBy(wcsTransform);
m.Add(geomData); // todo: what is the modelid value to be passed?
}
}
}
else
{
// this is what happens for version 2 of the engine
//
foreach (var item in items)
{
var fromModel = item.ModelOf as XbimModel;
if (fromModel == null || !(item is IfcProduct))
continue;
var context = new Xbim3DModelContext(fromModel);
var productShape =
context.ShapeInstancesOf((IfcProduct) item)
.Where(
s => s.RepresentationType != XbimGeometryRepresentationType.OpeningsAndAdditionsExcluded)
.ToList();
foreach (var shapeInstance in productShape)
{
IXbimShapeGeometryData shapeGeom = context.ShapeGeometry(shapeInstance.ShapeGeometryLabel);
switch ((XbimGeometryType) shapeGeom.Format)
{
case XbimGeometryType.PolyhedronBinary:
m.Read(shapeGeom.ShapeData,
XbimMatrix3D.Multiply(shapeInstance.Transformation, wcsTransform));
break;
case XbimGeometryType.Polyhedron:
m.Read(((XbimShapeGeometry) shapeGeom).ShapeData,
XbimMatrix3D.Multiply(shapeInstance.Transformation, wcsTransform));
break;
}
}
}
}
return m;
}
/// <summary>
/// Gets the geometry of an entity building it up from layers.
/// </summary>
/// <param name="entity">The entity instance</param>
/// <param name="modelId"></param>
public IXbimMeshGeometry3D GetMeshGeometry3D(IPersistEntity entity, short modelId)
{
var geometry = new XbimMeshGeometry3D();
var m = entity.Model;
foreach (var layer in Layers)
{
// an entity model could be spread across many layers (e.g. in case of different materials)
if (Equals(layer.Model, m))
{
geometry.Add(layer.GetVisibleMeshGeometry3D(entity.EntityLabel, modelId));
}
}
return(geometry);
}
public static void Add(this MeshGeometry3D m3D, XbimMeshGeometry3D addedGeometry3D)
{
m3D.TriangleIndices = Extensions.Utility.GeomUtils.CombineIndexCollection(m3D.TriangleIndices, addedGeometry3D.TriangleIndices, m3D.Positions.Count);
m3D.Positions = Extensions.Utility.GeomUtils.CombinePointCollection(m3D.Positions, addedGeometry3D.Positions);
m3D.Normals = Extensions.Utility.GeomUtils.CombineVectorCollection(m3D.Normals, addedGeometry3D.Normals);
}
public static void Read(this XbimMeshGeometry3D m3D, byte[] mesh, XbimMatrix3D?transform = null)
{
var indexBase = m3D.Positions.Count;
var qrd = new XbimQuaternion();
XbimMatrix3D?matrix3D = null;
if (transform.HasValue)
{
qrd = transform.Value.GetRotationQuaternion();
matrix3D = transform.Value;
}
using (var ms = new MemoryStream(mesh))
{
using (var br = new BinaryReader(ms))
{
// ReSharper disable once UnusedVariable
var version = br.ReadByte(); //stream format version
var numVertices = br.ReadInt32();
var numTriangles = br.ReadInt32();
var uniqueVertices = new List <XbimPoint3D>(numVertices);
var vertices = new List <XbimPoint3D>(numVertices * 4); //approx the size
var triangleIndices = new List <int>(numTriangles * 3);
var normals = new List <XbimVector3D>(numVertices * 4);
for (var i = 0; i < numVertices; i++)
{
double x = br.ReadSingle();
double y = br.ReadSingle();
double z = br.ReadSingle();
var p = new XbimPoint3D(x, y, z);
if (matrix3D.HasValue)
{
p = matrix3D.Value.Transform(p);
}
uniqueVertices.Add(p);
}
var numFaces = br.ReadInt32();
for (var i = 0; i < numFaces; i++)
{
var numTrianglesInFace = br.ReadInt32();
if (numTrianglesInFace == 0)
{
continue;
}
var isPlanar = numTrianglesInFace > 0;
numTrianglesInFace = Math.Abs(numTrianglesInFace);
if (isPlanar)
{
var normal = br.ReadPackedNormal().Normal;
if (!qrd.IsIdentity())
{
var baseVal = new XbimVector3D(normal.X, normal.Y, normal.Z);
XbimQuaternion.Transform(ref baseVal, ref qrd, out normal);
}
var uniqueIndices = new Dictionary <int, int>();
for (var j = 0; j < numTrianglesInFace; j++)
{
for (var k = 0; k < 3; k++)
{
var idx = ReadIndex(br, numVertices);
int writtenIdx;
if (!uniqueIndices.TryGetValue(idx, out writtenIdx)) //we haven't got it, so add it
{
writtenIdx = vertices.Count;
vertices.Add(uniqueVertices[idx]);
uniqueIndices.Add(idx, writtenIdx);
//add a matching normal
normals.Add(normal);
}
triangleIndices.Add(indexBase + writtenIdx);
}
}
}
else
{
var uniqueIndices = new Dictionary <int, int>();
for (var j = 0; j < numTrianglesInFace; j++)
{
for (var k = 0; k < 3; k++)
{
var idx = ReadIndex(br, numVertices);
var normal = br.ReadPackedNormal().Normal;
int writtenIdx;
if (!uniqueIndices.TryGetValue(idx, out writtenIdx)) //we haven't got it, so add it
{
writtenIdx = vertices.Count;
vertices.Add(uniqueVertices[idx]);
uniqueIndices.Add(idx, writtenIdx);
if (!qrd.IsIdentity())
{
var baseVal = new XbimVector3D(normal.X, normal.Y, normal.Z);
XbimQuaternion.Transform(ref baseVal, ref qrd, out normal);
}
normals.Add(normal);
}
triangleIndices.Add(indexBase + writtenIdx);
}
}
}
}
m3D.Positions = m3D.Positions.Concat(vertices).ToList();
m3D.TriangleIndices = m3D.TriangleIndices.Concat(triangleIndices).ToList();
m3D.Normals = m3D.Normals.Concat(normals).ToList();
}
}
}
public static void UpdateElementTransform(IfcStore _model, string projectNumber, string projectName)
{
DBOperation.beginTransaction();
DBOperation.commitInterval = 5000;
string currStep = string.Empty;
BIMRLCommon _refBIMRLCommon = new BIMRLCommon();
int commandStatus = -1;
int currInsertCount = 0;
OracleCommand command = new OracleCommand(" ", DBOperation.DBConn);
XbimMatrix3D m3D = new XbimMatrix3D();
if (string.IsNullOrEmpty(projectName))
{
projectName = projectNumber + " - Federated";
}
string modelName;
if (!string.IsNullOrEmpty(_model.FileName))
{
modelName = Path.GetFileNameWithoutExtension(_model.FileName);
}
else
{
modelName = projectNumber + " - " + projectName;
}
command.CommandText = "SELECT FEDERATEDID FROM bimrl_federatedmodel WHERE MODELNAME = '" + modelName + "' AND PROJECTNUMBER='" + projectNumber + "' AND PROJECTNAME='" + projectName + "'";
object oFedID = command.ExecuteScalar();
if (oFedID == null)
{
return;
}
int fedID = int.Parse(oFedID.ToString());
command.CommandText = "SELECT ELEMENTID, LINENO FROM " + DBOperation.formatTabName("bimrl_element", fedID) + " WHERE GEOMETRYBODY IS NOT NULL";
OracleDataReader reader = command.ExecuteReader();
SortedDictionary <int, string> elemList = new SortedDictionary <int, string>();
while (reader.Read())
{
string elemid = reader.GetString(0);
int lineNo = reader.GetInt32(1);
elemList.Add(lineNo, elemid);
}
reader.Close();
Xbim3DModelContext context = new Xbim3DModelContext(_model);
foreach (KeyValuePair <int, string> elemListItem in elemList)
{
//IEnumerable<XbimGeometryData> geomDataList = _model.GetGeometryData(elemListItem.Key, XbimGeometryType.TriangulatedMesh);
IIfcProduct product = _model.Instances[elemListItem.Key] as IIfcProduct;
IEnumerable <XbimShapeInstance> shapeInstances = context.ShapeInstancesOf(product).Where(x => x.RepresentationType == XbimGeometryRepresentationType.OpeningsAndAdditionsIncluded);
if (shapeInstances.Count() == 0)
{
continue; // SKip if the product has no geometry
}
XbimMeshGeometry3D prodGeom = new XbimMeshGeometry3D();
IXbimShapeGeometryData shapeGeom = context.ShapeGeometry(shapeInstances.FirstOrDefault().ShapeGeometryLabel);
//XbimModelExtensions.Read(prodGeom, shapeGeom.ShapeData, shapeInstances.FirstOrDefault().Transformation);
//XbimGeometryData sdoGeomData = geomDataList.First();
//m3D = sdoGeomData.Transform;
//m3D = XbimMatrix3D.FromArray(sdoGeomData.DataArray2); // Xbim 3.0 removes Tranform property
m3D = shapeInstances.FirstOrDefault().Transformation;
string sqlStmt = "update " + DBOperation.formatTabName("BIMRL_ELEMENT", fedID) + " set TRANSFORM_COL1=:1, TRANSFORM_COL2=:2, TRANSFORM_COL3=:3, TRANSFORM_COL4=:4"
+ " Where elementid = '" + elemListItem.Value + "'";
// int status = DBOperation.updateGeometry(sqlStmt, sdoGeomData);
currStep = sqlStmt;
command.CommandText = sqlStmt;
try
{
OracleParameter[] sdoGeom = new OracleParameter[4];
for (int i = 0; i < sdoGeom.Count(); ++i)
{
sdoGeom[i] = command.Parameters.Add((i + 1).ToString(), OracleDbType.Object);
sdoGeom[i].Direction = ParameterDirection.Input;
sdoGeom[i].UdtTypeName = "MDSYS.SDO_GEOMETRY";
sdoGeom[i].Size = 1;
}
SdoGeometry trcol1 = new SdoGeometry();
trcol1.Dimensionality = 3;
trcol1.LRS = 0;
trcol1.GeometryType = (int)SdoGeometryTypes.GTYPE.POINT;
int gType = trcol1.PropertiesToGTYPE();
SdoPoint trcol1V = new SdoPoint();
trcol1V.XD = m3D.M11;
trcol1V.YD = m3D.M12;
trcol1V.ZD = m3D.M13;
trcol1.SdoPoint = trcol1V;
sdoGeom[1].Value = trcol1;
SdoGeometry trcol2 = new SdoGeometry();
trcol2.Dimensionality = 3;
trcol2.LRS = 0;
trcol2.GeometryType = (int)SdoGeometryTypes.GTYPE.POINT;
gType = trcol2.PropertiesToGTYPE();
SdoPoint trcol2V = new SdoPoint();
trcol2V.XD = m3D.M21;
trcol2V.YD = m3D.M22;
trcol2V.ZD = m3D.M23;
trcol2.SdoPoint = trcol2V;
sdoGeom[2].Value = trcol2;
SdoGeometry trcol3 = new SdoGeometry();
trcol3.Dimensionality = 3;
trcol3.LRS = 0;
trcol3.GeometryType = (int)SdoGeometryTypes.GTYPE.POINT;
gType = trcol3.PropertiesToGTYPE();
SdoPoint trcol3V = new SdoPoint();
trcol3V.XD = m3D.M31;
trcol3V.YD = m3D.M32;
trcol3V.ZD = m3D.M33;
trcol3.SdoPoint = trcol3V;
sdoGeom[3].Value = trcol3;
SdoGeometry trcol4 = new SdoGeometry();
trcol4.Dimensionality = 3;
trcol4.LRS = 0;
trcol4.GeometryType = (int)SdoGeometryTypes.GTYPE.POINT;
gType = trcol4.PropertiesToGTYPE();
SdoPoint trcol4V = new SdoPoint();
trcol4V.XD = m3D.OffsetX;
trcol4V.YD = m3D.OffsetY;
trcol4V.ZD = m3D.OffsetZ;
trcol4.SdoPoint = trcol4V;
sdoGeom[4].Value = trcol4;
commandStatus = command.ExecuteNonQuery();
command.Parameters.Clear();
currInsertCount++;
if (currInsertCount % DBOperation.commitInterval == 0)
{
//Do commit at interval but keep the long transaction (reopen)
DBOperation.commitTransaction();
}
}
catch (OracleException e)
{
string excStr = "%%Error - " + e.Message + "\n\t" + currStep;
_refBIMRLCommon.StackPushError(excStr);
//command.Dispose(); // Log Oracle error and continue
command = new OracleCommand(" ", DBOperation.DBConn);
// throw;
}
catch (SystemException e)
{
string excStr = "%%Insert Error - " + e.Message + "\n\t" + currStep;
_refBIMRLCommon.StackPushError(excStr);
throw;
}
DBOperation.commitTransaction();
command.Dispose();
}
}
public static XbimMeshGeometry3D GetMesh(this XbimModel xbimModel, IEnumerable <IPersistIfcEntity> items, XbimMatrix3D wcsTransform)
{
var m = new XbimMeshGeometry3D();
if (xbimModel.GeometrySupportLevel == 1)
{
// this is what happens for version 1 of the engine
//
foreach (var item in items)
{
var fromModel = item.ModelOf as XbimModel;
if (fromModel == null)
{
continue;
}
var geomDataSet = fromModel.GetGeometryData(item.EntityLabel, XbimGeometryType.TriangulatedMesh);
foreach (var geomData in geomDataSet)
{
// todo: add guidance to the TransformBy method so that users can understand how to stop using it (it's marked absolete)
geomData.TransformBy(wcsTransform);
m.Add(geomData, xbimModel.UserDefinedId);
}
}
}
else
{
// this is what happens for version 2 of the engine
//
foreach (var item in items)
{
var fromModel = item.ModelOf as XbimModel;
if (fromModel == null || !(item is IfcProduct))
{
continue;
}
var context = new Xbim3DModelContext(fromModel);
var productShape =
context.ShapeInstancesOf((IfcProduct)item)
.Where(s => s.RepresentationType != XbimGeometryRepresentationType.OpeningsAndAdditionsExcluded)
.ToList(); // this also returns shapes of voids
foreach (var shapeInstance in productShape)
{
IXbimShapeGeometryData shapeGeom = context.ShapeGeometry(shapeInstance.ShapeGeometryLabel);
switch ((XbimGeometryType)shapeGeom.Format)
{
case XbimGeometryType.PolyhedronBinary:
m.Read(shapeGeom.ShapeData,
XbimMatrix3D.Multiply(shapeInstance.Transformation, wcsTransform));
break;
case XbimGeometryType.Polyhedron:
m.Read(((XbimShapeGeometry)shapeGeom).ShapeData,
XbimMatrix3D.Multiply(shapeInstance.Transformation, wcsTransform));
break;
}
}
}
}
return(m);
}
