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Polygons not getting textured

by Vernon Finch · in Artist Corner · 09/21/2005 (5:14 pm) · 4 replies

Hi, I'm having some strange texturing problem. Ignoring the obviously rushed and horrible texturing job I did, the problem lies with a few faces.

I grabbed Brandon Maness's helicopter mesh and pulled it into Blender to have a play.

One of the things I noticed was that it wasn't symmetrical, so I decided to do a little editing.

bobizam.hostinghelp.co.nz/torque/helicopter2.jpg
As you can see by the circled region on the left, and looking at the right side, they weren't the same. I'll list the procedure as close as I can that I did, as this is almost certainly the source of the problem.

-- I selected the 3 faces, between A and B, and deleted them, which also got rid of the 2 edges in the middle

-- I then selected vertices A and B, and hit space bar -> edit -> edges -> make edge / face, and then did the same for vertices C and B

-- Then selecting the 3 edges of each empty face I just created, I did the same procedure as above, and it filled it in, and looked as if it worked.

Later on when texturing it I ran into problems though as you can see in this picture.

bobizam.hostinghelp.co.nz/torque/helicopter3.jpg
And here it is ingame for good measure.

bobizam.hostinghelp.co.nz/torque/helicopter1.jpg
Anyone got any ideas how I stuffed it? Did I have to do some further operations to the 3 faces I added?
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Kevin Roberts
#1
09/21/2005 (5:24 pm)
I can think of two problems that may be your case...

1. Are the normals of the three faces you made pointing outward? They should be, to check if they are, go into Edit mode, and while on the button that looks like 4 yellow dots connected with black lines in the buttons window, click the Draw Normals button on the Mesh Tools 1 tab.
2. Did you maybe have to re-calculate the uv-coordinates after you edited the model (I'm not sure when you textured it, you didn't really say)

If it's one of these problems but you're not sure what to do, I can clarify.
If it's neither of these problems, I'd be happy to take a look at the model if you'd e-mail it to me.

Torque Owner Vernon Finch
#2
09/21/2005 (5:46 pm)
Of the 3 offending polygons, 1 (the one that seems shaded white in the textured image) has a blue thing pointing outwards, the other 2 I presume are pointing inwards. I'm not sure what I should do to fix from here though (I'm new at this, sorry).

As for texturing it, it was a rush job at the very end and no editing took place after that. Thats when I realised I had a problem, as if I clicked on the 3 offending faces my texture in my UV/Image Editor would disappear.

Kevin Roberts
#3
09/21/2005 (8:06 pm)
Ok good, this is a super easy problem to fix :). In Edit Mode, in the same "square with yellow dots button" of the buttons window, there should be a Mesh Tools tab with some green and orange buttons, along with some values in grey boxes. In the bottom left of the first 3x4 group of buttons there should be a button saying Flip Normals. All you have to do is select the faces that have their normals pointing inwards, and click this button. You should then see blue lines coming out of the object rather than going in, and textures should work fine with the faces. I would post a screenshot to explain easier, but I'm too lazy right now. If you need any more clarification, post again :P.

Torque Owner Vernon Finch
#4
09/21/2005 (8:14 pm)
Brilliant, that worked a treat. Thanks for your help Kevin :)