Exemplo n.º 1
0
        private devDept.Eyeshot.Entities.Region BuildRegion()
        {
            // Face
            Circle outer = new Circle(Point3D.Origin, 6);

            // Eyes
            Ellipse inner1 = new Ellipse(new Point3D(-2, 2, 0), 0.5, 1);
            Ellipse inner2 = new Ellipse(new Point3D(2, 2, 0), 0.5, 1);

            // Mouth
            Circle  circle = new Circle(Point3D.Origin, 4);
            Point3D i1;
            Point3D i2;

            CompositeCurve.IntersectionLineCircle3D(new Line(-10, 0, 10, 0), circle, out i1, out i2);
            Arc arc1 = new Arc(new Point3D(0, 2, 0), i1, i2);

            ICurve[] segments;
            circle.SplitBy(new List <Point3D> {
                i1, i2
            }, out segments);
            CompositeCurve inner3 = new CompositeCurve(new List <ICurve>()
            {
                arc1, segments[1]
            });

            // Smile region
            devDept.Eyeshot.Entities.Region reg = new devDept.Eyeshot.Entities.Region(new List <ICurve> {
                outer, inner1, inner2, inner3
            });
            reg.ColorMethod = colorMethodType.byEntity;
            reg.Color       = System.Drawing.Color.FromArgb(255, 180, 30);
            reg.TransformBy(new Translation(12, 25, 0) * new Rotation(Math.PI / 2, Vector3D.AxisX));

            return(reg);
        }
Exemplo n.º 2
0
        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);
        }
Exemplo n.º 3
0
        private static Solid getSolidFromIfcBooleanClippingResult(IfcBooleanClippingResult bcr)
        {
            Solid op1 = null, op2 = null;
            Solid mmm = null;

            Entity e;

            if (bcr.FirstOperand is IfcBooleanClippingResult)
            {
                op1 = getSolidFromIfcBooleanClippingResult((IfcBooleanClippingResult)bcr.FirstOperand);
            }
            else
            {
                e = getEntityFromIfcRepresentationItem((IfcRepresentationItem)bcr.FirstOperand);

                if (e != null)// && (e is Solid || e is Mesh))
                {
                    if (e is Mesh)
                    {
                        op1 = ((Mesh)e).ConvertToSolid();
                    }
                    else
                    {
                        op1 = (Solid)e;
                    }
                }
            }

            //m = getMeshFromIfcRepresentationItem((IfcRepresentationItem)bcr.SecondOperand);

            //if (m != null)
            //    op2 = m.ConvertToSolid();

            if (bcr.SecondOperand is IfcPolygonalBoundedHalfSpace)
            {
                IfcPolygonalBoundedHalfSpace polB = (IfcPolygonalBoundedHalfSpace)bcr.SecondOperand;

                IfcPlane baseSurface = (IfcPlane)polB.BaseSurface;

                Plane cutPln = Conversion.getPlaneFromPosition(baseSurface.Position);


                devDept.Eyeshot.Entities.Region r = new RectangularRegion(cutPln, 100, 100, true);
                mmm = r.ExtrudeAsSolid(cutPln.AxisZ * 0.1, 0.1);


                Plane boundaryPlane = Conversion.getPlaneFromPosition(polB.Position);

                Align3D align = new Align3D(Plane.XY, boundaryPlane);

                ICurve boundary = getICurveFromIfcCurve(polB.PolygonalBoundary);

                if (boundary != null)
                {
                    devDept.Eyeshot.Entities.Region region = new devDept.Eyeshot.Entities.Region(boundary);

                    region.TransformBy(align);

                    Vector3D extDir = boundaryPlane.AxisZ;

                    op2 = region.ExtrudeAsSolid(extDir * 20, 0.1); // 0.1 tolerance must be computed according to object size

                    if (!polB.AgreementFlag)
                    {
                        cutPln.Flip();
                    }

                    op2.CutBy(cutPln);
                }
            }
            else if (bcr.SecondOperand is IfcHalfSpaceSolid)
            {
                IfcHalfSpaceSolid hs = (IfcHalfSpaceSolid)bcr.SecondOperand;

                IfcPlane ip = (IfcPlane)hs.BaseSurface;

                Plane pln = Conversion.getPlaneFromPosition(ip.Position);

                if (!hs.AgreementFlag)
                {
                    pln.Flip();
                }

                if (op1 != null)
                {
                    op1.CutBy(pln);
                }
                return(op1);
            }

            if (op1 == null || op2 == null)
            {
                return(null);
            }

            //op1.TransformBy(trs);
            //op2.TransformBy(trs);

            //viewportLayout1.Entities.Add(op1, testLayer, Color.Red);
            //viewportLayout1.Entities.Add(op2, testLayer, Color.Blue);
            //return null;

            Solid[] result;

            double tolerance = 0.01;

            switch (bcr.Operator)
            {
            case IfcBooleanOperator.DIFFERENCE:
                result = Solid.Difference(op1, op2, tolerance);        //su dll nuova e' possibile inserire parametro di tolleranza
                break;

            case IfcBooleanOperator.UNION:
                result = Solid.Union(op1, op2, tolerance);
                break;

            case IfcBooleanOperator.INTERSECTION:
                result = Solid.Intersection(op1, op2, tolerance);
                break;

            default:
                return(null);
            }

            //WriteSTL ws = new WriteSTL(new Entity[] { op1, op2, mmm }, new Layer[] { new Layer("Default") }, new Dictionary<string, Block>(), @"c:\devdept\booleanError\gino" + count + ".stl", 0.01, true);
            //count++;
            //ws.DoWork();

            if (result != null)
            {
                return(result[0]);
            }
            else
            {
                WriteSTL ws = new WriteSTL(new Entity[] { op1, op2 }, new Layer[] { new Layer("Default") }, new Dictionary <string, Block>(), @"c:\devdept\booleanError\gino" + bcr.Index + ".stl", 0.01, true);
                count++;
                ws.DoWork();
                debug += "Error in boolean operation\n";
                return(op1);
            }
        }