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Connect object breaks the way reflections look
I’m building a pair of sunglasses, just for practicing modeling and also to test the new flakes node in Redshift.
I built half of it and I’m using a symmetry object to complete the other half, as you can see in the first pic the reflections on the lens look fine but the nose bridge looks broken, with a noticeable edge in the center. In the 2nd picture, with the connect object applied, the nose bridge looks fine, as a dingle, clean piece but the reflections on the lens look broken, as if the phong tag was not working anymore.
Any insights on how to fix this are greatly appreciated.
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11 Replies
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Hi David,
Please make sure that the polygon hole where the two halves meet is not closed, because if it is closed, there will be a problem in the topology of the resulting model after applying Symmetry, as in the attached screenshots, just as happens when you modeling and using Subdivision Surface with closed holes inside the model, so try to delete the polygon there then apply Symmetry again.
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As for the Connect feature, you are right. The Phong tag will not work because it will be controlled through the Phong Mode in the Connect editor. Try reducing the Tolerance value or even disabling Weld, this may solve the problem of reflection on the lenses.
Thanks!
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Hey Kouraib, thanks for this. Yes, I kept a hole at the end of the object but when adding the symmetry it had a hard edge which i was only able to remove with the connect object, but at the expense of the lens texture.
I seem to have found a solution following your advice on the comment below, but instead of removing welding or lowering the tolerance I changed the phong mode from “As Breaks” to “Average” unfortunately, I can’t test it on a render because since I upgraded to Sonoma (per’s Apple’s tech support instructions, trying to solve another issue) I can’t render with Redshift, anymore. there is a bug not yet fixed. But that is a story for another post.
Thanks for pointing me in the right direction!
EDIT:
The RS renderer eventually loads and starts working, it just takes a while. After checking the new render I can say that switching the phong mode to Average solved the issue, thanks again! -
You’re welcome, David! I just wanted to let you know that it’s not supposed to find an edge between the two halves when using symmetry unless there is a problem with the topology. If you want, you could post the model file so I can check it for you.
Thanks!
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Sure, thanks! Is it ok if I send it to you privately via email?
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Thanks so much, I just sent it.
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The problem is that the edge of the half glasses was not on the same coordinates along the x-axis with the center of symmetry.
It is always preferable to make the edge at the center of the coordinates to make it easier when using symmetry. You will find the modified file in your email.
thanks!
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Thank you very much Kouraib, I’m Having a bit of a hard time trying to understand how it was on different coordinates given that it’s a symmetry object. I remember that yes, one side was not matching perfectly with the other when I created the symmetry but i was puzzled by it, I just move one of the points to make it match.
But thank you very much for helping me solve it, I truly appreciate it.
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You’re welcome, David! the problem is that the symmetry feature had a slight rotation and it was not in one straight line with the end of the half of the glasses. Therefore, it is always better to make the end of the model at the zero point on the axis to which you will apply symmetry so that you do not need to move the symmetry axis because that will often not be accurate.
I tried to explain this in the attached videos. Please let me know if there is anything unclear.
thanks!
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