public async Task GetTrimCurves2ForAHalfDiscShouldReturnTwoNonPeriodicOpenTrimCurve()
{
await CreatePartDoc(async (modelDoc, yielder) =>
{
var disc0 = Modeler.CreateSemiCirclularSheet
(center: Vector3.Zero
, vNormal: Vector3.UnitZ
, vRef: Vector3.UnitX
, radius: 2
);
// Display the original sheet. Visually verify it is ok.
// Press "Continue Test Execution" button within solidworks
// to continue the test after visual inspection of the sheet
using (disc0.DisplayUndoable(modelDoc))
await PauseTestExecution(pause: false);
// The sheet should only have one face. Extract it
var faces = disc0.GetFaces().CastArray <IFace2>();
faces.Length.Should().Be(1);
var face = faces[0];
// Convert the solidworks face to a bspline face
var bsplineFace = BSplineFace.Create(face);
bsplineFace.TrimLoops.Count.Should().Be(1);
var trimLoop = bsplineFace.TrimLoops[0];
trimLoop.Count.Should().Be(2);
{
// The curve is a clamped open curve. ( A half circle ) It is not "Solidworks periodic"
trimLoop[0].Order.Should().Be(3);
trimLoop[0].KnotVectorU.Take(3).ShouldBeEquivalentTo(new[] { 0, 0, 0 });
trimLoop[0].KnotVectorU.TakeLast(3).ShouldBeEquivalentTo(new[] { 1, 1, 1 });
var controlPoints00 = trimLoop[0].ControlPoints;
controlPoints00.First()
.Should().NotBe(controlPoints00.Last());
// This is not solidworks periodic so this property should be false
trimLoop[0].IsClosed.Should().BeFalse();
}
{
// The curve is a clamped closed curve. ( A line ) It is not "Solidworks periodic"
trimLoop[1].Order.Should().Be(2);
trimLoop[1].KnotVectorU.Take(2).ShouldBeEquivalentTo(new[] { 0, 0 });
trimLoop[1].KnotVectorU.TakeLast(2).ShouldBeEquivalentTo(new[] { 1, 1 });
var controlPoints00 = trimLoop[0].ControlPoints;
controlPoints00.First()
.Should().NotBe(controlPoints00.Last());
// This is not solidworks periodic so this property should be false
trimLoop[1].IsClosed.Should().BeFalse();
}
});
}
