/// <summary> /// Calculates the maximum number of points in this object, does not remove geometric duplicates /// </summary> /// <param name="sbsm"></param> /// <returns></returns> public static int NumberOfPointsMax(this IfcFaceBasedSurfaceModel fbsm) { int pointCount = 0; foreach (IfcConnectedFaceSet cfs in fbsm.FbsmFaces) { pointCount += cfs.NumberOfPointsMax(); } return(pointCount); }
public IXbimShapeGeometryData Mesh(IfcFaceBasedSurfaceModel faceBasedModel) { var faceSets = new List <IEnumerable <IfcFace> >(); foreach (var faceSet in faceBasedModel.FbsmFaces) { faceSets.Add(faceSet.CfsFaces); } return(Mesh(faceSets, faceBasedModel.EntityLabel, (float)faceBasedModel.ModelOf.ModelFactors.Precision)); }
/// <summary> /// returns a Hash for the geometric behaviour of this object /// </summary> /// <param name="solid"></param> /// <returns></returns> public static int GetGeometryHashCode(this IfcFaceBasedSurfaceModel fbsm) { int hash = fbsm.FbsmFaces.Count; if (hash > 30) { return(hash ^ fbsm.GetType().Name.GetHashCode()); //probably enough for a uniquish hash } foreach (var cfs in fbsm.FbsmFaces) { hash ^= cfs.GetGeometryHashCode(); } return(hash); }
public override List <IfcBuildingElement> ToBuildingElementIfc(IfcStore model) { using (var transaction = model.BeginTransaction("Create Mesh Element")) { MeshFaceList faces = Mesh.Faces; MeshVertexList vertices = Mesh.Vertices; List <IfcCartesianPoint> ifcVertices = IfcTools.VerticesToIfcCartesianPoints(model, vertices); IfcFaceBasedSurfaceModel faceBasedSurfaceModel = IfcTools.CreateIfcFaceBasedSurfaceModel(model, faces, ifcVertices); var shape = IfcTools.CreateIfcShapeRepresentation(model, "Mesh"); shape.Items.Add(faceBasedSurfaceModel); var ifcRelAssociatesMaterial = IfcTools.CreateIfcRelAssociatesMaterial(model, Material.Name, Material.Grade); var buildingElements = IfcTools.CreateBuildingElements(model, ElementType, Name, shape, InsertPlanes, ifcRelAssociatesMaterial); transaction.Commit(); return(buildingElements); } }
/// <summary> /// Compares two objects for geomtric equality /// </summary> /// <param name="a"></param> /// <param name="b">object to compare with</param> /// <returns></returns> public static bool GeometricEquals(this IfcFaceBasedSurfaceModel a, IfcRepresentationItem b) { IfcFaceBasedSurfaceModel p = b as IfcFaceBasedSurfaceModel; if (p == null) { return(false); //different type } List <IfcConnectedFaceSet> fsa = a.FbsmFaces.ToList(); List <IfcConnectedFaceSet> fsb = p.FbsmFaces.ToList(); if (fsa.Count != fsb.Count) { return(false); } for (int i = 0; i < fsa.Count; i++) { if (!fsa[i].GeometricEquals(fsb[i])) { return(false); } } return(true); }
public IXbimGeometryObjectSet CreateSurfaceModel(IfcFaceBasedSurfaceModel ifcSurface) { return(_engine.CreateSurfaceModel(ifcSurface)); }
public override List <IfcReinforcingElement> ToReinforcingElementIfc(IfcStore model) { using (var transaction = model.BeginTransaction("Create Mesh Element")) { var rebars = new List <IfcReinforcingElement>(); switch (SpacingType) { case RebarSpacingType.NormalSpacing: { MeshFaceList faces = OriginRebarShape.RebarMesh.Faces; MeshVertexList vertices = OriginRebarShape.RebarMesh.Vertices; List <IfcCartesianPoint> ifcVertices = IfcTools.VerticesToIfcCartesianPoints(model, vertices); IfcFaceBasedSurfaceModel faceBasedSurfaceModel = IfcTools.CreateIfcFaceBasedSurfaceModel(model, faces, ifcVertices); var shape = IfcTools.CreateIfcShapeRepresentation(model, "Mesh"); shape.Items.Add(faceBasedSurfaceModel); var ifcRelAssociatesMaterial = IfcTools.CreateIfcRelAssociatesMaterial(model, Material.Name, Material.Grade); foreach (var insertPlane in RebarInsertPlanes) { var rebar = model.Instances.New <IfcReinforcingBar>(); rebar.Name = "Rebar"; rebar.NominalDiameter = Diameter; rebar.BarLength = (int)Math.Round(OriginRebarShape.RebarCurve.GetLength()); rebar.SteelGrade = Material.Grade; IfcTools.ApplyRepresentationAndPlacement(model, rebar, shape, insertPlane); ifcRelAssociatesMaterial.RelatedObjects.Add(rebar); rebars.Add(rebar); } break; } case RebarSpacingType.CustomSpacing: for (int i = 0; i < RebarGroupMesh.Count; i++) { MeshFaceList faces = RebarGroupMesh[i].Faces; MeshVertexList vertices = RebarGroupMesh[i].Vertices; List <IfcCartesianPoint> ifcVertices = IfcTools.VerticesToIfcCartesianPoints(model, vertices); IfcFaceBasedSurfaceModel faceBasedSurfaceModel = IfcTools.CreateIfcFaceBasedSurfaceModel(model, faces, ifcVertices); var shape = IfcTools.CreateIfcShapeRepresentation(model, "Mesh"); shape.Items.Add(faceBasedSurfaceModel); var ifcRelAssociatesMaterial = IfcTools.CreateIfcRelAssociatesMaterial(model, Material.Name, Material.Grade); var rebar = model.Instances.New <IfcReinforcingBar>(); rebar.Name = "Rebar"; rebar.NominalDiameter = Diameter; rebar.BarLength = (int)Math.Round(RebarGroupCurves[i].GetLength()); rebar.SteelGrade = Material.Grade; IfcTools.ApplyRepresentationAndPlacement(model, rebar, shape, Plane.WorldXY); ifcRelAssociatesMaterial.RelatedObjects.Add(rebar); rebars.Add(rebar); } break; default: throw new ArgumentException("Spacing type not recognized"); } transaction.Commit(); return(rebars); } }
public static Entity getEntityFromIfcRepresentationItem(IfcRepresentationItem reprItem, ViewportLayout viewportLayout1 = null, Transformation entityTrs = null) { Entity result = null; if (reprItem is IfcBooleanClippingResult) { IfcBooleanClippingResult bcr = (IfcBooleanClippingResult)reprItem; result = getSolidFromIfcBooleanClippingResult(bcr); } else if (reprItem is IfcCurve) { result = (Entity)getICurveFromIfcCurve((IfcCurve)reprItem, viewportLayout1, entityTrs); } else if (reprItem is IfcExtrudedAreaSolid) { IfcExtrudedAreaSolid extrAreaSolid = (IfcExtrudedAreaSolid)reprItem; // if (!viewportLayout1.Blocks.ContainsKey(extrAreaSolid.Index.ToString())) { Plane pln = Conversion.getPlaneFromPosition(extrAreaSolid.Position); Align3D align = new Align3D(Plane.XY, pln); IfcDirection dir = extrAreaSolid.ExtrudedDirection; Vector3D extDir = new Vector3D(dir.DirectionRatioX, dir.DirectionRatioY, dir.DirectionRatioZ); //extDir.TransformBy(trs * align2); extDir.TransformBy(align); devDept.Eyeshot.Entities.Region region = getRegionFromIfcProfileDef(extrAreaSolid.SweptArea, viewportLayout1); if (region != null) { //region.TransformBy(trs * align2); region.TransformBy(align); result = region.ExtrudeAsMesh(extDir * extrAreaSolid.Depth, 0.1, Mesh.natureType.Plain); // 0.1 tolerance must be computed according to object size //viewportLayout1.Entities.Add(result, 1); //Block b = new Block(); //b.Entities.Add(m); //viewportLayout1.Blocks.Add(extrAreaSolid.Index.ToString(), b); } } // BlockReference br = new IfcBlockReference(trs, extrAreaSolid.Index.ToString()); // viewportLayout1.Entities.Add(br, 0, Color.Gray); } else if (reprItem is IfcFaceBasedSurfaceModel) { IfcFaceBasedSurfaceModel fbs = (IfcFaceBasedSurfaceModel)reprItem; result = new Mesh(0, 0, Mesh.natureType.Plain); foreach (IfcConnectedFaceSet cfs in fbs.FbsmFaces) { Mesh global = new Mesh(0, 0, Mesh.natureType.Plain); foreach (IfcFace face in cfs.CfsFaces) { Point3D[] outerPoints = null; List <Point3D[]> innerPointsList = new List <Point3D[]>(); foreach (IfcFaceBound fb in face.Bounds) // al massimo 2 ? profilo esterno e interno { // bool sense = ifb.mOrientation; if (fb is IfcFaceOuterBound) { IfcFaceOuterBound ifob = (IfcFaceOuterBound)fb; IfcPolyloop pl = (IfcPolyloop)fb.Bound; List <Point3D> pLIst = new List <Point3D>(); for (int i = 0; i < pl.Polygon.Count; i++) { Point3D p = getPoint3DFromIfcCartesianPoint(pl.Polygon[i]); if (!pLIst.Contains(p)) // non copio punti uguali !! { pLIst.Add(p); } } outerPoints = pLIst.ToArray(); if (!outerPoints[0].Equals(outerPoints[outerPoints.Length - 1])) { Array.Resize(ref outerPoints, outerPoints.Length + 1); outerPoints[outerPoints.Length - 1] = (Point3D)outerPoints[0].Clone(); } Array.Reverse(outerPoints); } else { IfcFaceBound ifb = (IfcFaceBound)fb; IfcPolyloop inPl = (IfcPolyloop)ifb.Bound; List <Point3D> pLIst = new List <Point3D>(); for (int i = 0; i < inPl.Polygon.Count; i++) { Point3D p = getPoint3DFromIfcCartesianPoint(inPl.Polygon[i]); if (!pLIst.Contains(p)) // non copio punti uguali !! { pLIst.Add(p); } } Point3D[] innerPoints = pLIst.ToArray(); if (!innerPoints[0].Equals(innerPoints[innerPoints.Length - 1])) { Array.Resize(ref innerPoints, innerPoints.Length + 1); innerPoints[innerPoints.Length - 1] = (Point3D)innerPoints[0].Clone(); } Array.Reverse(innerPoints); innerPointsList.Add(innerPoints); } } if (outerPoints.Length > 3) { Mesh local; List <LinearPath> boundLp = new List <LinearPath>(); boundLp.Add(new LinearPath(outerPoints)); foreach (Point3D[] innerPoints in innerPointsList) { boundLp.Add(new LinearPath(innerPoints)); } local = new devDept.Eyeshot.Entities.Region(boundLp.ToArray()).ConvertToMesh(0, Mesh.natureType.Plain); global.MergeWith(local, true); // fonde i vertici, sarebbe meglio farla una volta sola alla fine } } ((Mesh)result).MergeWith(global, true); } } else if (reprItem is IfcFacetedBrep) //controllare { IfcFacetedBrep facBrep = (IfcFacetedBrep)reprItem; IfcClosedShell cs = facBrep.Outer; Mesh global = new Mesh(0, 0, Mesh.natureType.Plain); foreach (IfcFace face in cs.CfsFaces) { Point3D[] outerPoints = null; List <Point3D[]> innerPointsList = new List <Point3D[]>(); foreach (IfcFaceBound fb in face.Bounds) { // bool sense = ifb.mOrientation; if (fb is IfcFaceOuterBound) { IfcFaceOuterBound ifob = (IfcFaceOuterBound)fb; IfcPolyloop pl = (IfcPolyloop)fb.Bound; List <Point3D> pLIst = new List <Point3D>(); for (int i = 0; i < pl.Polygon.Count; i++) { Point3D p = getPoint3DFromIfcCartesianPoint(pl.Polygon[i]); if (!pLIst.Contains(p)) // non copio punti uguali !! { pLIst.Add(p); } } outerPoints = pLIst.ToArray(); if (!outerPoints[0].Equals(outerPoints[outerPoints.Length - 1])) { Array.Resize(ref outerPoints, outerPoints.Length + 1); outerPoints[outerPoints.Length - 1] = (Point3D)outerPoints[0].Clone(); } Array.Reverse(outerPoints); } else { IfcFaceBound ifb = (IfcFaceBound)fb; IfcPolyloop inPl = (IfcPolyloop)ifb.Bound; List <Point3D> pLIst = new List <Point3D>(); for (int i = 0; i < inPl.Polygon.Count; i++) { Point3D p = getPoint3DFromIfcCartesianPoint(inPl.Polygon[i]); if (!pLIst.Contains(p)) // non copio punti uguali !! { pLIst.Add(p); } } Point3D[] innerPoints = pLIst.ToArray(); if (!innerPoints[0].Equals(innerPoints[innerPoints.Length - 1])) { Array.Resize(ref innerPoints, innerPoints.Length + 1); innerPoints[innerPoints.Length - 1] = (Point3D)innerPoints[0].Clone(); } Array.Reverse(innerPoints); innerPointsList.Add(innerPoints); } } if (outerPoints.Length > 3) { Mesh local; List <LinearPath> boundLp = new List <LinearPath>(); boundLp.Add(new LinearPath(outerPoints)); foreach (Point3D[] innerPoints in innerPointsList) { boundLp.Add(new LinearPath(innerPoints)); } local = new devDept.Eyeshot.Entities.Region(boundLp.ToArray()).ConvertToMesh(0, Mesh.natureType.Plain); global.MergeWith(local, true); // fonde i vertici, sarebbe meglio farla una volta sola alla fine } } result = global; } //else if (repItem is IfcBoundingBox) //{ // IfcBoundingBox bBox = (IfcBoundingBox)iRep.Items[0]; // m = Mesh.CreateBox(bBox.XDim, bBox.YDim, bBox.ZDim); // m.Translate(bBox.Corner.Coordinates.Item1, bBox.Corner.Coordinates.Item1, bBox.Corner.Coordinates.Item1); //} else if (reprItem is IfcMappedItem) { IfcMappedItem mapItem = (IfcMappedItem)reprItem; if (!viewportLayout1.Blocks.ContainsKey("MappingSource " + mapItem.MappingSource.Index.ToString())) { IfcRepresentationMap reprMapSource = mapItem.MappingSource; Entity mapSource = getEntityFromIfcRepresentation(reprMapSource.MappedRepresentation, viewportLayout1, entityTrs); Block b = new Block(); if (mapSource != null) { Plane pln = getPlaneFromPosition((IfcPlacement)reprMapSource.MappingOrigin); Align3D algn = new Align3D(Plane.XY, pln); mapSource.TransformBy(algn); b.Entities.Add(mapSource); } viewportLayout1.Blocks.Add("MappingSource " + mapItem.MappingSource.Index.ToString(), b); } IfcCartesianTransformationOperator3D iTrs = (IfcCartesianTransformationOperator3D)mapItem.MappingTarget; Point3D org = new Point3D(iTrs.LocalOrigin.Coordinates.Item1, iTrs.LocalOrigin.Coordinates.Item2, iTrs.LocalOrigin.Coordinates.Item3); Vector3D vectorX; if (iTrs.Axis1 != null) { vectorX = new Vector3D(iTrs.Axis1.DirectionRatioX, iTrs.Axis1.DirectionRatioY, iTrs.Axis1.DirectionRatioZ); } else { vectorX = new Vector3D(1, 0, 0); } vectorX = vectorX * iTrs.Scale; Vector3D vectorY; if (iTrs.Axis2 != null) { vectorY = new Vector3D(iTrs.Axis2.DirectionRatioX, iTrs.Axis2.DirectionRatioY, iTrs.Axis2.DirectionRatioZ); } else { vectorY = new Vector3D(0, 1, 0); } Vector3D vectorZ; if (iTrs.Axis1 != null) { vectorZ = new Vector3D(iTrs.Axis3.DirectionRatioX, iTrs.Axis3.DirectionRatioY, iTrs.Axis3.DirectionRatioZ); } else { vectorZ = new Vector3D(0, 0, 1); } if (iTrs is IfcCartesianTransformationOperator3DnonUniform) { IfcCartesianTransformationOperator3DnonUniform nut = (IfcCartesianTransformationOperator3DnonUniform)iTrs; vectorY = vectorY * nut.Scale2; vectorZ = vectorZ * nut.Scale3; } Transformation targetTrs = new Transformation(org, vectorX, vectorY, vectorZ); result = new IfcBlockReference(targetTrs, "MappingSource " + mapItem.MappingSource.Index.ToString()); } else if (reprItem is IfcShellBasedSurfaceModel) { IfcShellBasedSurfaceModel sbs = (IfcShellBasedSurfaceModel)reprItem; result = new Mesh(0, 0, Mesh.natureType.Plain); foreach (IfcShell cfs in sbs.SbsmBoundary) { Mesh global = new Mesh(0, 0, Mesh.natureType.Plain); foreach (IfcFace face in cfs.CfsFaces) { Point3D[] outerPoints = null; List <Point3D[]> innerPointsList = new List <Point3D[]>(); foreach (IfcFaceBound fb in face.Bounds) // al massimo 2 ? profilo esterno e interno { // bool sense = ifb.mOrientation; if (fb is IfcFaceOuterBound) { IfcFaceOuterBound ifob = (IfcFaceOuterBound)fb; IfcPolyloop pl = (IfcPolyloop)fb.Bound; List <Point3D> pLIst = new List <Point3D>(); for (int i = 0; i < pl.Polygon.Count; i++) { Point3D p = getPoint3DFromIfcCartesianPoint(pl.Polygon[i]); if (!pLIst.Contains(p)) // non copio punti uguali !! { pLIst.Add(p); } } outerPoints = pLIst.ToArray(); if (!outerPoints[0].Equals(outerPoints[outerPoints.Length - 1])) { Array.Resize(ref outerPoints, outerPoints.Length + 1); outerPoints[outerPoints.Length - 1] = (Point3D)outerPoints[0].Clone(); } Array.Reverse(outerPoints); } else { IfcFaceBound ifb = (IfcFaceBound)fb; IfcPolyloop inPl = (IfcPolyloop)ifb.Bound; List <Point3D> pLIst = new List <Point3D>(); for (int i = 0; i < inPl.Polygon.Count; i++) { Point3D p = getPoint3DFromIfcCartesianPoint(inPl.Polygon[i]); if (!pLIst.Contains(p)) // non copio punti uguali !! { pLIst.Add(p); } } Point3D[] innerPoints = pLIst.ToArray(); if (!innerPoints[0].Equals(innerPoints[innerPoints.Length - 1])) { Array.Resize(ref innerPoints, innerPoints.Length + 1); innerPoints[innerPoints.Length - 1] = (Point3D)innerPoints[0].Clone(); } Array.Reverse(innerPoints); innerPointsList.Add(innerPoints); } } if (outerPoints.Length > 3) { Mesh local; List <LinearPath> boundLp = new List <LinearPath>(); boundLp.Add(new LinearPath(outerPoints)); foreach (Point3D[] innerPoints in innerPointsList) { boundLp.Add(new LinearPath(innerPoints)); } //devDept.Eyeshot.Entities.Region localRegion = new devDept.Eyeshot.Entities.Region(boundLp.ToArray()); //localRegion.TransformBy(entityTrs); //viewportLayout1.Entities.Add(localRegion, 1); local = new devDept.Eyeshot.Entities.Region(boundLp.ToArray()).ConvertToMesh(0, Mesh.natureType.Plain); global.MergeWith(local, true); // fonde i vertici, sarebbe meglio farla una volta sola alla fine } } ((Mesh)result).MergeWith(global, true); } } else { if (!debug.Contains("IfcRepresentationItem not supported: " + reprItem.KeyWord)) { debug += "IfcRepresentationItem not supported: " + reprItem.KeyWord + "\n"; } } if (result != null) { Color color; if (tryGetColorFromIfcRepresentationItem(reprItem, out color)) { result.ColorMethod = colorMethodType.byEntity; result.Color = color; } else { result.ColorMethod = colorMethodType.byParent; } } return(result); }