"John VanSickle" <evi### [at] hotmailcom> wrote in message 
news:47c0a15b@news.povray.org...
> Jan Dvorak wrote:
>> John VanSickle napsal:
>>> Q:  Why are some of them sticking out and others are sticking in?
>>> A:  That's what I'd like to know.
>>>
>>> As you can see, the normals are not consistent, in spite of a macro that 
>>> is supposed to be making them consistent, and which I thought was fixed 
>>> when I announced a bug fix early this AM.
>>>
>
> There is a macro that is supposed to force it to be consistent, whether it 
> starts out that way or not.  This macro is not working.
>

Hi John,
I had a similar problem some years ago with a macro that effectively tracked 
through from one triangle to the next, making sure the normals for one lined 
up with the normals from one it had already 'corrected'.  The macro had 
problems when it encountered spurious 'invisible' triangles that had gotten 
twisted and attached to the backs of other triangles. In my case this had 
occurred around the corners of the mouth and the corners of the eyelids 
where I'd been adding in triangles and merging corners together to make it 
bend round into the inside of the mouth and eye sockets.

You're right it does look painful. :-)

It looks a bit like some sort of ancient face mask and reminds me of a piece 
of dialogue from a UK series called Blackadder:  The series is set in World 
War I where the new recruit 'Bob' explains her reason for joining the army 
and explains to Blackadder  "I wanted to see how a war was fought, so 
badly".  He responded "Well you've certainly come to the right place. A war 
hasn't been fought this badly since Olaf the hairy, king of all the vikings, 
ordered 20,000 battle helmets with the horns on the inside."

Regards,
Chris B.

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