Hi all,
I get a strange bug trying to uses regionprops on some images.
Computing the hull of some objects result a internal error in the qhull library:
Below you can find the error and and the set of points which triggers it:Does anybody know how to fix it?
[[ 5. 12.5]
[ 6. 6.5]
[ 7. 4.5]
[ 8. 4.5]
[ 9. 4.5]
[ 10. 5.5]
[ 7. 4.5]
[ 7. 5.5]
[ 6. 6.5]
[ 6. 7.5]
[ 6. 8.5]
[ 6. 9.5]
[ 6. 10.5]
[ 6. 11.5]
[ 5. 12.5]
[ 5. 13.5]
[ 5. 14.5]
[ 5. 15.5]
[ 5. 16.5]
[ 5. 17.5]
[ 5. 18.5]
[ 5. 19.5]
[ 5. 20.5]
[ 5. 21.5]
[ 5. 22.5]
[ 5. 23.5]
[ 5. 24.5]
[ 6. 25.5]
[ 5. 24.5]
[ 6. 25.5]
[ 7. 25.5]
[ 8. 23.5]
[ 9. 20.5]
[ 10. 16.5]
[ 9. 4.5]
[ 10. 5.5]
[ 10. 6.5]
[ 10. 7.5]
[ 10. 8.5]
[ 10. 9.5]
[ 10. 10.5]
[ 10. 11.5]
[ 10. 12.5]
[ 10. 13.5]
[ 10. 14.5]
[ 10. 15.5]
[ 10. 16.5]
[ 9. 17.5]
[ 9. 18.5]
[ 9. 19.5]
[ 9. 20.5]
[ 8. 21.5]
[ 8. 22.5]
[ 8. 23.5]
[ 7. 24.5]
[ 7. 25.5]
[ 5. 13.5]
[ 6. 7.5]
[ 7. 5.5]
[ 8. 5.5]
[ 9. 5.5]
[ 10. 6.5]
[ 7. 5.5]
[ 7. 6.5]
[ 6. 7.5]
[ 6. 8.5]
[ 6. 9.5]
[ 6. 10.5]
[ 6. 11.5]
[ 6. 12.5]
[ 5. 13.5]
[ 5. 14.5]
[ 5. 15.5]
[ 5. 16.5]
[ 5. 17.5]
[ 5. 18.5]
[ 5. 19.5]
[ 5. 20.5]
[ 5. 21.5]
[ 5. 22.5]
[ 5. 23.5]
[ 5. 24.5]
[ 5. 25.5]
[ 6. 26.5]
[ 5. 25.5]
[ 6. 26.5]
[ 7. 26.5]
[ 8. 24.5]
[ 9. 21.5]
[ 10. 17.5]
[ 9. 5.5]
[ 10. 6.5]
[ 10. 7.5]
[ 10. 8.5]
[ 10. 9.5]
[ 10. 10.5]
[ 10. 11.5]
[ 10. 12.5]
[ 10. 13.5]
[ 10. 14.5]
[ 10. 15.5]
[ 10. 16.5]
[ 10. 17.5]
[ 9. 18.5]
[ 9. 19.5]
[ 9. 20.5]
[ 9. 21.5]
[ 8. 22.5]
[ 8. 23.5]
[ 8. 24.5]
[ 7. 25.5]
[ 7. 26.5]
[ 4.5 13. ]
[ 5.5 7. ]
[ 6.5 5. ]
[ 7.5 5. ]
[ 8.5 5. ]
[ 9.5 6. ]
[ 6.5 5. ]
[ 6.5 6. ]
[ 5.5 7. ]
[ 5.5 8. ]
[ 5.5 9. ]
[ 5.5 10. ]
[ 5.5 11. ]
[ 5.5 12. ]
[ 4.5 13. ]
[ 4.5 14. ]
[ 4.5 15. ]
[ 4.5 16. ]
[ 4.5 17. ]
[ 4.5 18. ]
[ 4.5 19. ]
[ 4.5 20. ]
[ 4.5 21. ]
[ 4.5 22. ]
[ 4.5 23. ]
[ 4.5 24. ]
[ 4.5 25. ]
[ 5.5 26. ]
[ 4.5 25. ]
[ 5.5 26. ]
[ 6.5 26. ]
[ 7.5 24. ]
[ 8.5 21. ]
[ 9.5 17. ]
[ 8.5 5. ]
[ 9.5 6. ]
[ 9.5 7. ]
[ 9.5 8. ]
[ 9.5 9. ]
[ 9.5 10. ]
[ 9.5 11. ]
[ 9.5 12. ]
[ 9.5 13. ]
[ 9.5 14. ]
[ 9.5 15. ]
[ 9.5 16. ]
[ 9.5 17. ]
[ 8.5 18. ]
[ 8.5 19. ]
[ 8.5 20. ]
[ 8.5 21. ]
[ 7.5 22. ]
[ 7.5 23. ]
[ 7.5 24. ]
[ 6.5 25. ]
[ 6.5 26. ]
[ 5.5 13. ]
[ 6.5 7. ]
[ 7.5 5. ]
[ 8.5 5. ]
[ 9.5 5. ]
[ 10.5 6. ]
[ 7.5 5. ]
[ 7.5 6. ]
[ 6.5 7. ]
[ 6.5 8. ]
[ 6.5 9. ]
[ 6.5 10. ]
[ 6.5 11. ]
[ 6.5 12. ]
[ 5.5 13. ]
[ 5.5 14. ]
[ 5.5 15. ]
[ 5.5 16. ]
[ 5.5 17. ]
[ 5.5 18. ]
[ 5.5 19. ]
[ 5.5 20. ]
[ 5.5 21. ]
[ 5.5 22. ]
[ 5.5 23. ]
[ 5.5 24. ]
[ 5.5 25. ]
[ 6.5 26. ]
[ 5.5 25. ]
[ 6.5 26. ]
[ 7.5 26. ]
[ 8.5 24. ]
[ 9.5 21. ]
[ 10.5 17. ]
[ 9.5 5. ]
[ 10.5 6. ]
[ 10.5 7. ]
[ 10.5 8. ]
[ 10.5 9. ]
[ 10.5 10. ]
[ 10.5 11. ]
[ 10.5 12. ]
[ 10.5 13. ]
[ 10.5 14. ]
[ 10.5 15. ]
[ 10.5 16. ]
[ 10.5 17. ]
[ 9.5 18. ]
[ 9.5 19. ]
[ 9.5 20. ]
[ 9.5 21. ]
[ 8.5 22. ]
[ 8.5 23. ]
[ 8.5 24. ]
[ 7.5 25. ]
[ 7.5 26. ]]
QH6228
Qhull internal error (qh_findbestlower): all neighbors of facet 12 are flipped or upper Delaunay.
Please report this error to qhull_bug@qhull.org with the input and all of the output.
ERRONEOUS FACET:
- f12
- flags: top simplicial upperDelaunay
- normal: -0.965 -0.1942 0.1764
- offset: 6.243641
- vertices: p138(v7) p224(v3) p112(v0)
- neighboring facets: f6 f28 f13While executing: | qhull d Qz Qbb Qt
Options selected for Qhull 2010.1 2010/01/14:
run-id 1565793501 delaunay Qz-infinity-point Qbbound-last Qtriangulate
_pre-merge _zero-centrum Pgood _max-width 22 Error-roundoff 3.7e-14
_one-merge 2.6e-13 _near-inside 1.3e-12 Visible-distance 7.4e-14
U-coplanar-distance 7.4e-14 Width-outside 1.5e-13 _wide-facet 4.4e-13
Last point added to hull was p132.At error exit:
Delaunay triangulation by the convex hull of 225 points in 3-d:
Number of input sites and at-infinity: 11
Number of nearly incident points: 9
Number of Delaunay regions: 0Statistics for: | qhull d Qz Qbb Qt
Number of points processed: 11
Number of hyperplanes created: 31
Number of facets in hull: 18
Number of distance tests for qhull: 1324
precision problems (corrected unless 'Q0' or an error)
8 coplanar points during partitioning