color a portion of a sphere surface

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lmac456
lmac456 le 13 Sep 2017
Commenté : Andy le 31 Août 2022
How would I color just the portion of the surface of the sphere below connected by the 4 black dots? The fill3 or patch function do not work because the surface is curved and not flat.
  1 commentaire
Andy
Andy le 31 Août 2022
lmac456: May I ask to see the code that you used to generate your plot? I'm trying to do something similar, but with hexagonal sections.

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Réponses (1)

Walter Roberson
Walter Roberson le 13 Sep 2017
Modifié(e) : Walter Roberson le 13 Sep 2017
Same answer as https://www.mathworks.com/matlabcentral/answers/355790-fill-a-portion-of-a-sphere-specifying-bounds-with-edges-rather-than-vertices#answer_280847
Each face of the sphere is locally flat for drawing purposes. If that is too "rough" then you would need to create additional faces that subdivide to get a finer approximation to curvature.
  2 commentaires
lmac456
lmac456 le 13 Sep 2017
Modifié(e) : lmac456 le 13 Sep 2017
I keep running into this same problem using the patch function even with setting FaceColor to flat (attached image). Is this what you mean by the face possibly being too "rough"?
Walter Roberson
Walter Roberson le 14 Sep 2017
Can you attach the data file for the shape?

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