aLineGrid->Allocate(1,1);
aLineGrid->InsertNextCell(aLine->GetCellType(),aLine->GetPointIds());
aLineGrid->SetPoints(pointsLine);
aLineGrid->Allocate(1,1);
aLineGrid->InsertNextCell(aLine->GetCellType(),aLine->GetPointIds());
aLineGrid->SetPoints(pointsLine);
contour_mapped.back()->ImmediateModeRenderingOn();
contour_actor.back()->SetMapper(contour_mapped.back());
contour_mapped.back()->ImmediateModeRenderingOn();
contour_actor.back()->SetMapper(contour_mapped.back());