public override bool Execute()
{
Ensure.AreEqual(Dependency[0].Integer % 3, 1);
while (Dependency[0].Integer != Dependency.Count - 1)
{
AddDependency(InterpreterNames.Point3D);
}
var pointList = new Point3D[4];
var items = Dependency[0].Integer;
var compoundShape = new TopoDSCompound();
var shapeBuilder = new BRepBuilder();
shapeBuilder.MakeCompound(compoundShape);
var startIndex = 0;
while (startIndex < items - 1)
{
pointList[0] = Dependency[startIndex + 1].TransformedPoint3D;
pointList[1] = Dependency[startIndex + 2].TransformedPoint3D;
pointList[2] = Dependency[startIndex + 3].TransformedPoint3D;
pointList[3] = Dependency[startIndex + 4].TransformedPoint3D;
var shape = SplineUtils.BuildSplineWire(pointList);
shapeBuilder.Add(compoundShape, shape);
startIndex += 3;
}
Shape = compoundShape;
return(true);
}
public static TriangleMesh Process(TopoDSShape shapeFused)
{
var result = new TriangleMesh();
var builder = new BRepBuilder();
var comp = new TopoDSCompound();
builder.MakeCompound(comp);
BRepMesh.Mesh(shapeFused, 1);
var ex = new TopExpExplorer(shapeFused,
TopAbsShapeEnum.TopAbs_FACE,
TopAbsShapeEnum.TopAbs_SHAPE);
while (ex.More)
{
var shapeResult = new TriangleMesh();
var face = TopoDS.Face(ex.Current);
var location = new TopLocLocation();
var facing = BRepTool.Triangulation(face, location);
var tab = new TColgpArray1OfPnt(1, facing.NbNodes);
// facing.Nodes(tab);
var tri = new PolyArray1OfTriangle(1, facing.NbTriangles);
// facing.Triangles(tri);
var triCount = facing.NbTriangles;
var listPoints = new List <Point3D>();
for (var i = 1; i <= triCount; i++)
{
var trian = tri.Value(i);
int index1 = 0, index2 = 0, index3 = 0;
trian.Get(ref index1, ref index2, ref index3);
var firstPoint = new Point3D(tab.Value(index1));
var secondPoint = new Point3D(tab.Value(index2));
var thirdPoint = new Point3D(tab.Value(index3));
listPoints.Add(firstPoint);
listPoints.Add(secondPoint);
listPoints.Add(thirdPoint);
}
shapeResult.Points.Clear();
foreach (var point in listPoints)
{
shapeResult.Points.Add(point);
}
shapeResult.Points = GeomUtils.SortAndCompactListPoints(shapeResult.Points);
var triangleIndex = 0;
var triangleArray = new int[3];
foreach (var point in listPoints)
{
triangleArray[triangleIndex] = shapeResult.ComputePointId(point);
triangleIndex = (triangleIndex + 1) % 3;
if (triangleIndex == 0)
{
shapeResult.AddTriangle(triangleArray);
}
}
ex.Next();
result = result.Combine(shapeResult);
}
return(result);
}
/// <summary>
/// Cuts through all childs of the node with the TopoDS_Shape passed as parameter.
/// It returns a compund made from the affected shapes
/// </summary>
/// <param name = "nodes"></param>
/// <param name = "cutPrismShape"></param>
private static TopoDSShape CutThroughAll(IEnumerable <SceneSelectedEntity> nodes, TopoDSShape cutPrismShape)
{
var compoundShape = new TopoDSCompound();
var shapeBuilder = new BRepBuilder();
shapeBuilder.MakeCompound(compoundShape);
var resShape = (TopoDSShape)compoundShape;
foreach (var cutShape in nodes)
{
var childNode = cutShape.Node;
// Try to Cut through the object
var topoShape = childNode.Get <NamedShapeInterpreter>().Shape;
if (topoShape == null)
{
continue;
}
var cut = new BRepAlgoAPICut(topoShape, cutPrismShape);
// Check if the shape was altered by the Cut
if ((cut.HasGenerated == false) && (cut.HasModified == false))
{
continue;
}
TopoDSShape shapeCut = null;
try
{
shapeCut = cut.Shape;
}
catch (Exception)
{
Log.Info("Exception on create cut shape");
}
if ((shapeCut != null) && (!shapeCut.IsNull))
{
// Show the new shape as a new Node
shapeBuilder.Add(resShape, shapeCut);
}
}
return(resShape);
}
public override bool Execute()
{
if (Dependency.Count < 2)
{
return(false);
}
var compoundShape = new TopoDSCompound();
var shapeBuilder = new BRepBuilder();
shapeBuilder.MakeCompound(compoundShape);
var resShape = (TopoDSShape)compoundShape;
var isFirstPoint = true;
var second = new Point3D();
foreach (var childNode in Dependency.Children)
{
var point3D = childNode.TransformedPoint3D;
if (isFirstPoint)
{
second = point3D;
isFirstPoint = false;
continue;
}
var first = second;
second = point3D;
var shapeCut = CreateLine(first, second);
if (shapeCut != null)
{
shapeBuilder.Add(resShape, shapeCut);
}
}
Shape = resShape;
return(true);
}
public static void Update(TopoDSCompound C)
{
BRepTools_UpdateF7963FEC(C.Instance);
}
/// <summary>
/// Cuts through all childs of the node with the TopoDS_Shape passed as parameter.
/// It returns a compund made from the affected shapes
/// </summary>
/// <param name = "root"></param>
/// <param name = "cutPrismShape"></param>
/// <param name = "affectedNodes"></param>
/// <param name = "shapeList"></param>
private static TopoDSShape CutThroughAll(Node root, TopoDSShape cutPrismShape,
ICollection <SceneSelectedEntity> affectedNodes,
IEnumerable <int> shapeList)
{
var compoundShape = new TopoDSCompound();
var shapeBuilder = new BRepBuilder();
shapeBuilder.MakeCompound(compoundShape);
var resShape = (TopoDSShape)compoundShape;
foreach (var childNodeIndex in shapeList)
{
var childNode = new NodeBuilder(root[childNodeIndex]);
var topoShape = childNode.Shape;
if (topoShape == null)
{
continue;
}
BRepAlgoAPICut cut;
var filler = new BOPToolsDSFiller();
try
{
filler.SetShapes(topoShape, cutPrismShape);
if (!filler.IsDone)
{
continue;
}
filler.Perform();
cut = new BRepAlgoAPICut(topoShape, cutPrismShape, filler, true);
if (!cut.IsDone)
{
continue;
}
// Check if the shape was altered by the Cut
//if ((cut.HasGenerated == false) && (cut.HasModified == false))
// continue;
}
catch (Exception)
{
continue;
}
TopoDSShape shapeCut = null;
try
{
shapeCut = cut.Shape;
}
catch (Exception)
{
Log.Info("Exception on create cut shape");
}
if ((shapeCut == null) || (shapeCut.IsNull))
{
continue;
}
// If Cut succeeded hide the original shape
NodeUtils.Hide(childNode.Node);
// Show the new shape as a new Node
shapeBuilder.Add(resShape, shapeCut);
// Add the affceted node into the affectedNodes list
affectedNodes.Add(new SceneSelectedEntity(childNode.Node));
}
return(resShape);
}
