[Blender Art N°=1] Creating a face with QUADS

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GiHe
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Joined: Fri Aug 18, 2006 3:29 pm

[Blender Art N°=1] Creating a face with QUADS

Post by GiHe » Fri Aug 18, 2006 3:32 pm

Hi,

New to Blender, i'm reading Blender Art N°=1 and modeling papero head's.
When i create a new face, i obtain such result:

http://server6.theimagehosting.com/imag ... rt%201.JPG

Why there is a dark tri when i move my vertex ?

Thanks for help.

wavk
Posts: 126
Joined: Wed Oct 16, 2002 9:58 am
Location: The Netherlands
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Post by wavk » Fri Aug 18, 2006 3:47 pm

What you have there is a so called "non-planar quad". A quad is only really a quad when all four points are in one plane. If not, it's actually made up out of two triangles. What you see is the two triangles drawn over each other, adding the transparency makes it look darker.

Have fun,

Wybren

GiHe
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Joined: Fri Aug 18, 2006 3:29 pm

Post by GiHe » Fri Aug 18, 2006 3:57 pm

Thanks wavk for your response.

How can i correct this ?

kAinStein
Posts: 63
Joined: Wed Oct 16, 2002 3:08 pm

Post by kAinStein » Sat Aug 19, 2006 1:11 am

GiHe wrote:Thanks wavk for your response.

How can i correct this ?
Hehe! That depends on what you have done. It's hard to tell from a 2D image... :D

But from what it looks to me, either the selected vertex is not complanar to the others, your quad is convex (if it is on the same plane) or both of it. I don't think that there is a hidden face (doesn't look like that). So you can do two things: Move the vertex or make to triangles! ;) (select the four verts and hit CTRL-T - you might have to toggle the dividing edge - but I doubt that looking at your mesh)

GiHe
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Joined: Fri Aug 18, 2006 3:29 pm

Post by GiHe » Sat Aug 19, 2006 10:58 pm

Thanks kAinStein for your response.

Here's an another screenshot. I hace restart the tutorial, and this time, no problem.

No way to understand what one time there's this non-planar quads and the no !

Image

Is there any option or shortkey for a such effect ?

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