public void BinaryReadWrite()
{
var originalBytes = TestData.GetTestData(@"SourceData\Brep\ImprintRingFace.brep");
Assume.That(originalBytes, Is.Not.Null);
// Read in as ASCII
var originalShape = BRepExchange.ReadASCII(originalBytes);
Assert.IsNotNull(originalShape);
Assert.AreEqual(TopAbs_ShapeEnum.TopAbs_COMPOUND, originalShape.ShapeType());
// Write out
var writtenBytes = BRepExchange.WriteBinary(originalShape, false);
Assert.IsNotNull(writtenBytes);
Assert.AreEqual(7222, writtenBytes.Length);
// Re-read in
var rereadShape = BRepExchange.ReadBinary(writtenBytes);
Assert.IsNotNull(rereadShape);
Assert.AreEqual(TopAbs_ShapeEnum.TopAbs_COMPOUND, rereadShape.ShapeType());
Assert.IsFalse(_HasTriangulation(rereadShape), "HasTriangulation");
Assert.IsTrue(ModelCompare.CompareShape(rereadShape, @"SourceData\Brep\ImprintRingFace"));
}
public void BinaryTriangulation()
{
var originalBytes = TestData.GetTestData(@"SourceData\Brep\Motor-c.brep");
Assume.That(originalBytes, Is.Not.Null);
// Read in
var originalShape = BRepExchange.ReadASCII(originalBytes);
Assert.IsNotNull(originalShape);
Assert.AreEqual(TopAbs_ShapeEnum.TopAbs_COMPOUND, originalShape.ShapeType());
// Write out with triangulation
var writtenBytes = BRepExchange.WriteBinary(originalShape, true);
Assert.IsNotNull(writtenBytes);
Assert.AreEqual(1624845, writtenBytes.Length);
// Re-read in with triangulation
var rereadShape = BRepExchange.ReadBinary(writtenBytes);
Assert.IsNotNull(rereadShape);
Assert.AreEqual(TopAbs_ShapeEnum.TopAbs_COMPOUND, rereadShape.ShapeType());
Assert.IsTrue(_HasTriangulation(rereadShape), "HasTriangulation");
Assert.IsTrue(ModelCompare.CompareShape(rereadShape, @"SourceData\Brep\Motor-c"));
// Write out w/o triangulation
writtenBytes = BRepExchange.WriteBinary(originalShape, false);
Assert.IsNotNull(writtenBytes);
Assert.AreEqual(665759, writtenBytes.Length);
// Re-read in w/o triangulation
rereadShape = BRepExchange.ReadBinary(writtenBytes);
Assert.IsNotNull(rereadShape);
Assert.AreEqual(TopAbs_ShapeEnum.TopAbs_COMPOUND, rereadShape.ShapeType());
Assert.IsFalse(_HasTriangulation(rereadShape), "HasTriangulation");
Assert.IsTrue(ModelCompare.CompareShape(rereadShape, @"SourceData\Brep\Motor-c"));
}
//--------------------------------------------------------------------------------------------------
#endregion
#region IBrepExporter
bool IBodyExporter.DoExport(string fileName, IEnumerable <Body> bodies)
{
try
{
var builder = new BRep_Builder();
var compound = new TopoDS_Compound();
builder.MakeCompound(compound);
foreach (var body in bodies)
{
var bodyShape = body.Shape?.GetTransformedBRep();
if (bodyShape == null)
{
Messages.Warning($"BRep Exporter: The body {body.Name} has no valid shape, thus it will not be included in the export.");
continue;
}
builder.Add(compound, bodyShape);
}
var bytes = Settings.ExportBinaryFormat ? BRepExchange.WriteBinary(compound, true) : BRepExchange.WriteASCII(compound, true);
if (bytes == null || bytes.Length == 0)
{
Messages.Error("BRep Exporter: Error generating BRep from body shapes.");
return(false);
}
File.WriteAllBytes(fileName, bytes);
return(true);
}
catch (Exception e)
{
Console.WriteLine(e);
Messages.Exception("Error exporting file " + fileName + ".", e);
}
return(false);
}