/// <summary> /// Builds a windows XbimMatrix3D from a CartesianTransformationOperator3DnonUniform /// </summary> /// <param name = "ct3D"></param> /// <returns></returns> public static XbimMatrix3D ToMatrix3D(this IfcCartesianTransformationOperator3DnonUniform ct3D, ConcurrentDictionary <int, Object> maps = null) { if (maps == null) { return(ConvertCartesianTransformationOperator3DnonUniform(ct3D)); } else { object transform; if (maps.TryGetValue(ct3D.EntityLabel, out transform)) //already converted it just return cached { return((XbimMatrix3D)transform); } XbimMatrix3D matrix = ConvertCartesianTransformationOperator3DnonUniform(ct3D); maps.TryAdd(ct3D.EntityLabel, matrix); return(matrix); } }
private static XbimMatrix3D ConvertCartesianTransformationOperator3DnonUniform(IfcCartesianTransformationOperator3DnonUniform ct3D) { XbimVector3D u3; //Z Axis Direction XbimVector3D u2; //X Axis Direction XbimVector3D u1; //Y axis direction if (ct3D.Axis3 != null) { IfcDirection dir = ct3D.Axis3; u3 = new XbimVector3D(dir.DirectionRatios[0], dir.DirectionRatios[1], dir.DirectionRatios[2]); u3.Normalize(); } else { u3 = new XbimVector3D(0, 0, 1); } if (ct3D.Axis1 != null) { IfcDirection dir = ct3D.Axis1; u1 = new XbimVector3D(dir.DirectionRatios[0], dir.DirectionRatios[1], dir.DirectionRatios[2]); u1.Normalize(); } else { XbimVector3D defXDir = new XbimVector3D(1, 0, 0); u1 = u3 != defXDir ? defXDir : new XbimVector3D(0, 1, 0); } XbimVector3D xVec = XbimVector3D.Multiply(XbimVector3D.DotProduct(u1, u3), u3); XbimVector3D xAxis = XbimVector3D.Subtract(u1, xVec); xAxis.Normalize(); if (ct3D.Axis2 != null) { IfcDirection dir = ct3D.Axis2; u2 = new XbimVector3D(dir.DirectionRatios[0], dir.DirectionRatios[1], dir.DirectionRatios[2]); u2.Normalize(); } else { u2 = new XbimVector3D(0, 1, 0); } XbimVector3D tmp = XbimVector3D.Multiply(XbimVector3D.DotProduct(u2, u3), u3); XbimVector3D yAxis = XbimVector3D.Subtract(u2, tmp); tmp = XbimVector3D.Multiply(XbimVector3D.DotProduct(u2, xAxis), xAxis); yAxis = XbimVector3D.Subtract(yAxis, tmp); yAxis.Normalize(); u2 = yAxis; u1 = xAxis; XbimPoint3D lo = ct3D.LocalOrigin.XbimPoint3D(); //local origin XbimMatrix3D matrix = new XbimMatrix3D(u1.X, u1.Y, u1.Z, 0, u2.X, u2.Y, u2.Z, 0, u3.X, u3.Y, u3.Z, 0, lo.X, lo.Y, lo.Z, 1); matrix.Scale(new XbimVector3D(ct3D.Scl, ct3D.Scl2, ct3D.Scl3)); return(matrix); }
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); }