Weird Reflection Error

General questions about Indigo, the scene format, rendering etc...
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Anthony
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Weird Reflection Error

Post by Anthony » Fri Apr 13, 2007 5:58 pm

For some reason in one of the pictures, I've turned on set smooth and if you look closely where the orange bit and the Shiny metal on the "Hand" meet, it's reflecting black. This also happens on the finger tips and some other reflectiony bits. This doesn't happen when I use ugly Solid Shading for some reason. I am using Blender and Exporting with Blendigo. I am using Indigo 0.7 t7. Any Ideas on how to get rid of this?
Attachments
im1176434025.png
Robot Set Smooth. By the way the sphere is set smooth too.
im1176434025.png (435.49 KiB) Viewed 2322 times
im1176434840.png
Robot Set Solid
im1176434840.png (444.52 KiB) Viewed 2322 times

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zsouthboy
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Post by zsouthboy » Fri Apr 13, 2007 6:10 pm

It's a normal smoothing problem.


Use the "edgesplit" modifier on the mesh, in blender.

Re export.

Should be great!

BTW Great design! I like it!

Anthony
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Post by Anthony » Fri Apr 13, 2007 6:25 pm

Thanks Southboy that worked as far as I can tell. What does the Edgesplit modifier do exactly? I can't spot any changes to the mesh.

Heheh Slurm

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DaveC
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Post by DaveC » Fri Apr 13, 2007 9:57 pm

Now, there, you see? If you'd shown me the problem I'd have said edgesplit modifier. It breaks the mesh depending on the angles of adjacent faces, forcing those edges to be sharp. Cool pics. :)
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Stur
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Post by Stur » Fri Apr 13, 2007 11:52 pm

Is it to say that's it is useless to force edges as "sharp" if they are already < 30° when using the edgesplit modifier ?

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Kram1032
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Post by Kram1032 » Sat Apr 14, 2007 4:17 am

You don't need to use spheres with set smooth, as long as they're meant to be perfect and not used as lightsource ;)


you just have to rename it ______.sphere ;)

Lord of the Rings Junkie
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Post by Lord of the Rings Junkie » Sat Apr 14, 2007 8:16 am

Looks like you used the uffizi light probe to me. Did you have to convert it from HDR, or did you find it in EXR format?

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Kram1032
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Post by Kram1032 » Sat Apr 14, 2007 8:21 am

Use the Edgesplit modifier and define edges that are meant as "sharp" by either set the angle or/and "define them as sharp" (selcet, shit+E, sharp edge... Maybe it also was Ctrl+E, but I think it was Shift)

Anthony
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Post by Anthony » Sun Apr 15, 2007 10:27 am

I have the Uffizi probe in FLOAT format. I got it off DaveC. You can get it in EXR format if you want HERE along with some other ones

mrCarnivore
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Post by mrCarnivore » Mon Apr 16, 2007 7:15 pm

I wouldn't use .float since they are ridiculously large. I'd rather convert the .hdr to latlong with hdrshop and then convert the .hdr to .exr. And everything works fine.

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