black at roof

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Permalink Reply by Rich Hart on November 6, 2012 at 2:26pm

Any chance those faces are reversed?

Can you send me the model?

Here's our upload link:

http://www.renderplus.com/wp2/uploads/

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Permalink Reply by Robert Medina on November 6, 2012 at 2:36pm

i dont think so. i'm still learning the program. it rendered out perfect the first time, then the next time i got the black area seen at the roof.

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Permalink Reply by Robert Medina on November 6, 2012 at 2:42pm

i dont think so. i'm still learning the program. it rendered out perfect the first time, then the next time i got the black area seen at the roof.

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Permalink Reply by Rich Hart on November 7, 2012 at 8:34am

I haven't figured it out yet, but I notice that the roof is a single surface.

I suspect that we are getting the wrong normals for those ridges, or treating the intersection of those roof planes as soft edges when they are passed as a surface.

However, as a work-around, if I edit or explode the group that the roof surface is in and draw lines at the ridge lines, that breaks the surface into separate faces. Then it renders OK. You might try that until we figure out a way to fix this.

Maybe there is a simpler way to convert a surface into faces.

How did you make that roof?

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Permalink Reply by Robert Medina on November 7, 2012 at 8:42am

I created a profile and use follow me to path it around the building. i will try your suggestion for exploding the group.

thank you for the assitance.

 

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Permalink Reply by Rich Hart on November 7, 2012 at 9:03am

Explode the group, and draw lines at the ridge line to break up the surface.

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Permalink Reply by Robert Medina on November 7, 2012 at 9:17am

perfect! thank you!

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