Hi Chris,
I turned on normals and they are all pointing outwards on both halves of my
model. It looks good in blender, but when I export it to 3ds and open it up
in osgviewer, the mirrored half is still inside out.
Curt.
On Thu, Feb 10, 2011 at 3:45 PM, Chris Wilkinson wrote:
> Hey Curt,
>
> This is the process I use in Blender 2.49 - its slightly different but
> similar for Blender 2.5x
>
> Use face select mode, select the faces you need to flip, and in 'mesh
> tools' click 'flip normals', then re-save your model - that *should* do the
> trick.
>
> Another useful trick is to click 'show normals' - you'll then see a small
> blue line extending from the centre of each face in the positive direction -
> if the normals point inward then they need to be flipped. The normal size
> can be changed if they are too hard to see.
>
> Regards,
>
> Chris Wilkinson, YBBN/BNE.
>
> ------------------------------
> *From:* Curtis Olson <curtol...@gmail.com>
> *To:* FlightGear developers discussions <
> flightgear-devel@lists.sourceforge.net>
> *Sent:* Fri, 11 February, 2011 7:24:32 AM
> *Subject:* [Flightgear-devel] Blender question?
>
> I have a hopefully quick question. I've generated a 3d model mesh in ac3d
> format. I'm doing this from a perl script and I posted some pictures and
> details of the actual model here:
> http://www.flightgear.org/blogs/curt/uas/misc/3d-modelling-with-perl/
>
> My script just generates the left half of the model. I assumed I could
> just import this into blender, duplicate the half and mirror it and produce
> the whole model. I'm new to blender, but I managed to duplicate the side
> and mirror it and the mesh looks perfect.
>
> My problem is that when I export the full model, the mirrored half is black
> from the outside. When I look inside of it, it's shaded properly. It
> appears that when I mirrored the surface, the face ordering didn't change so
> the mirrored half is inside out. I've been trying every possible
> face/normal/edge option I can find in blender and haven't been able to
> figure out how to get my faces back the right way. The original half of
> course looks just fine.
>
> It's probably something super simple, but I've googled and haven't found
> the right set of keywords I guess. Is there an easy way to get all my faces
> the right way so both sides of my model are right side out and look correct?
>
> Thanks,
>
> Curt.
> --
> Curtis Olson:
> http://www.atiak.com - http://aem.umn.edu/~uav/
> http://www.flightgear.org -
> http://www.flightgear.org/blogs/category/curt/<http://www.flightgear.org/blogs/category/personal/curt/>
>
>
>
>
>
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--
Curtis Olson:
http://www.atiak.com - http://aem.umn.edu/~uav/
http://www.flightgear.org -
http://www.flightgear.org/blogs/category/curt/<http://www.flightgear.org/blogs/category/personal/curt/>
------------------------------------------------------------------------------
The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE:
Pinpoint memory and threading errors before they happen.
Find and fix more than 250 security defects in the development cycle.
Locate bottlenecks in serial and parallel code that limit performance.
http://p.sf.net/sfu/intel-dev2devfeb
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