"tgl" <aubrey.lamb [at] sympaticoca> a écrit dans le message de news: 
web.476a2c50af847649dc77890b0@news.povray.org...
> "Bill Pragnell" <billpragnell [at] hotmailcom> wrote
>>
>> The gradient pattern is no longer mirrored about the origin since v3.5... 
>> this
>> could be the culprit.
>>
>> http://www.povray.org/documentation/view/3.6.1/380/
>>
> Bill + Giles
> Thanx for the reference to the docs (Should have gone there in the first 
> place)
> but I'm not quite getting it. Is there no fix to revert gradient x, y or z 
> to
> negative integers?

The fix is given in the doc: replace the original "gradient x" (or  y or z) 
by "function{abs(x)}" to obtain the pre-3.5 behaviour.

Gilles

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