private static void WriteGeometry(XbimModel model, ConcurrentDictionary<int, int[]> written, IXbimGeometryModel geomModel, ref XbimRect3D bounds, XbimMatrix3D m3d, IfcProduct product, double deflection)
{
XbimTriangulatedModelCollection tm = geomModel.Mesh(deflection);
XbimRect3D bb = tm.Bounds;
byte[] matrix = m3d.ToArray(true);
short? typeId = IfcMetaData.IfcTypeId(product);
XbimGeometryCursor geomTable = model.GetGeometryTable();
XbimLazyDBTransaction transaction = geomTable.BeginLazyTransaction();
int[] geomIds = new int[tm.Count + 1];
geomIds[0] = geomTable.AddGeometry(product.EntityLabel, XbimGeometryType.BoundingBox, typeId.Value, matrix, bb.ToDoublesArray(), 0, geomModel.SurfaceStyleLabel);
bb = XbimRect3D.TransformBy(bb, m3d);
if (bounds.IsEmpty)
bounds = bb;
else
bounds.Union(bb);
short subPart = 0;
foreach (XbimTriangulatedModel b in tm)
{
geomIds[subPart + 1] = geomTable.AddGeometry(product.EntityLabel, XbimGeometryType.TriangulatedMesh, typeId.Value, matrix, b.Triangles, subPart, b.SurfaceStyleLabel);
subPart++;
}
transaction.Commit();
written.AddOrUpdate(geomModel.RepresentationLabel, geomIds, (k, v) => v = geomIds);
model.FreeTable(geomTable);
}
