public void BooleanCutModifications()
{
// Make Box
var box = new Box()
{
DimensionX = 10,
DimensionY = 10,
DimensionZ = 10,
};
var tsBox = box.GetTransformedBRep();
var edgesBox = tsBox.Edges();
var facesBox = tsBox.Faces();
Assert.AreEqual(12, edgesBox.Count);
// Make Cylinder
var cyl = new Cylinder()
{
Height = 10,
Radius = 2,
};
var cylBody = TestGeomGenerator.CreateBody(cyl, new Pnt(5, 5, 0));
var tsCyl = cyl.GetTransformedBRep();
var edgesCyl = tsCyl.Edges();
var facesCyl = tsCyl.Faces();
Assert.AreEqual(3, edgesCyl.Count);
// Boolean Op
var cut = new BRepAlgoAPI_Cut(tsBox, tsCyl);
var tsBool = cut.Shape();
var edgesBool = tsBool.Edges();
var facesBool = tsBool.Faces();
Assert.AreEqual(15, edgesBool.Count);
Assert.False(cut.HasGenerated());
Assert.True(cut.HasDeleted());
Assert.True(cut.HasModified());
// All edges of box and cyl are in boolop
Assert.AreEqual(12, edgesBox.Count(e => edgesBool.Any(edgeBool => edgeBool.IsSame(e))));
Assert.AreEqual(3, edgesCyl.Count(e => edgesBool.Any(edgeBool => edgeBool.IsSame(e))));
// Deleted no edges
Assert.AreEqual(0, edgesBox.Count(e => cut.IsDeleted(e)));
Assert.AreEqual(0, edgesCyl.Count(e => cut.IsDeleted(e)));
// 4 faces from box and none from cylinder are in boolop
Assert.AreEqual(4, facesBox.Count(f => facesBool.Any(faceBool => faceBool.IsSame(f))));
Assert.AreEqual(1, facesCyl.Count(f => facesBool.Any(faceBool => faceBool.IsSame(f))));
// Deleted no faces from box, 2 faces from cylinder
Assert.AreEqual(0, facesBox.Count(f => cut.IsDeleted(f)));
Assert.AreEqual(2, facesCyl.Count(f => cut.IsDeleted(f)));
// Modified 2 faces from box, 0 face from cylinder
Assert.AreEqual(2, facesBox.Count(f => cut.Modified(f).Size() > 0));
Assert.AreEqual(0, facesCyl.Count(f => cut.Modified(f).Size() > 0));
}
//--------------------------------------------------------------------------------------------------
bool _DoCutoutBoxes(MakeContext context)
{
var listOfTools = new TopTools_ListOfShape();
foreach (var boxes in context.Boxes)
{
for (int boxIndex = _ReverseOrder == _IsFirst ? 0 : 1; boxIndex < boxes.Count; boxIndex += 2)
{
listOfTools.Append(boxes[boxIndex]);
}
}
var listOfArguments = new TopTools_ListOfShape();
listOfArguments.Append(context.OwnBrep);
var cutter = new BRepAlgoAPI_Cut();
cutter.SetArguments(listOfArguments);
cutter.SetTools(listOfTools);
cutter.Build();
if (!cutter.IsDone())
{
Messages.Error("Cannot cut boxes out of shape.");
return(false);
}
context.Result = cutter.Shape();
UpdateModifiedSubshapes(context.OwnBrep, cutter);
return(true);
}
//--------------------------------------------------------------------------------------------------
bool _DoCutoffExcess(MakeContext context)
{
var listOfArguments = new TopTools_ListOfShape();
listOfArguments.Append(context.OwnBrep);
// Cutout Commons
var listOfTools = new TopTools_ListOfShape();
foreach (var commonSolid in context.Common)
{
listOfTools.Append(commonSolid);
}
var cutter = new BRepAlgoAPI_Cut();
cutter.SetArguments(listOfArguments);
cutter.SetTools(listOfTools);
cutter.Build();
if (!cutter.IsDone())
{
Messages.Error("Cannot determine excess of instrusion.");
return(false);
}
// Check if we have more solids than before
var originalSolidCount = context.OwnBrep.Solids().Count;
var solids = cutter.Shape().Solids();
var excessCount = solids.Count - originalSolidCount;
if (excessCount <= 0)
{
return(true); // No excess found
}
// Cutout additional solids
listOfTools = new TopTools_ListOfShape();
var orderedSolids = solids.OrderBy(solid => solid.Volume()).Take(excessCount);
foreach (var solid in orderedSolids)
{
listOfTools.Append(solid);
}
cutter = new BRepAlgoAPI_Cut();
cutter.SetArguments(listOfArguments);
cutter.SetTools(listOfTools);
cutter.Build();
if (!cutter.IsDone())
{
Messages.Error("Cannot remove excess of instrusion from shape.");
return(false);
}
UpdateModifiedSubshapes(context.OwnBrep, cutter);
context.OwnBrep = cutter.Shape();
return(true);
}