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);
}
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);
}
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);
}
}
