public virtual void Update()
{
base.begin_update();
int start_timestamp = this.CurrentInputTimestamp;
if (MeshSource == null)
{
throw new Exception("GenerateClosedMeshOp: must set valid MeshSource to compute!");
}
try {
DMesh3 inputmesh = MeshSource.GetDMeshUnsafe();
ISpatial inputSpatial = MeshSource.HasSpatial ? MeshSource.GetSpatial() : null;
DMeshAABBTree3 spatial = (inputSpatial != null && inputSpatial is DMeshAABBTree3) ?
inputSpatial as DMeshAABBTree3 : get_cached_spatial(inputmesh);
DMesh3 meshIn = new DMesh3(inputmesh);
MeshRepairOrientation repair = new MeshRepairOrientation(meshIn, spatial);
repair.OrientComponents();
repair.SolveGlobalOrientation();
if (invert_result)
{
meshIn.ReverseOrientation(true);
}
ResultMesh = meshIn;
base.complete_update();
} catch (Exception e) {
PostOnOperatorException(e);
ResultMesh = base.make_failure_output(MeshSource.GetDMeshUnsafe());
base.complete_update();
}
}
void repair_orientation(bool bGlobal)
{
MeshRepairOrientation orient = new MeshRepairOrientation(Mesh);
orient.OrientComponents();
if (Cancelled())
{
return;
}
if (bGlobal)
{
orient.SolveGlobalOrientation();
}
}
/// <summary>
/// Applies the Meshop multiple times, attempting a repair operation between iterations to reduce constraints due to face windings.
/// </summary>
/// <param name="maxTimes">maximum number of attempts to perform. The operation stops before this number if no failed attempts were encountered.</param>
/// <returns>true if all the candidates have been successfully merged, false if some constraints prevented some merges</returns>
public virtual bool ApplyIteratively(int maxTimes = 2)
{
int tally = 0;
bool ret = false;
while (tally++ < maxTimes)
{
ret = Apply();
if (ret)
{
return(true);
}
// fix the orientation before a retry
var rep = new MeshRepairOrientation(Mesh);
rep.OrientComponents();
}
return(ret);
}