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29 Jul 2024 10:28:00 EDT (-0400)
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From:
Subject: evaluate suggested values
Date: 13 May 2002 06:51:33
Message: <e36vdu8s8vth2b6v48mfk9khmv8ucgfi25@4ax.com>
POV 3.5 RC4 icl on WinNT Sp 6 PII 233 with 128 MB

Another thing not important very much but a little strange.
After rendering of some isosurface I have achived message:

  Warning: Evaluate found a maximum gradient of 1.100 and an average
  gradient of 1.100. The maximum gradient variation was 0.000.
  It is recommended to adjust the parameters of 'evaluate' to:
  First parameter less than 1.100
  Second parameter less than 1.000 and greater than 1.0
  Third parameter greater than 1.000 and less than 1.0

What values should I use to be compliant with suggestion in 5th and 6th line ?
Perhaps instead of "less" could be "not greater" and instead of "greater"
could be "not less".

ABX


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From: Thorsten Froehlich
Subject: Re: evaluate suggested values
Date: 13 May 2002 07:03:35
Message: <3cdf9d87@news.povray.org>

Skiba <abx### [at] babilonorg>  wrote:

> What values should I use to be compliant with suggestion in 5th and 6th line ?

The message is generic and does *not* mean you have to change the values. It
is only a *recommendation*.  Essentially this happens mostly if you use
evaluate with a very simple function for which evaluate isn't really needed...

    Thorsten

____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

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From:
Subject: Re: evaluate suggested values
Date: 13 May 2002 07:11:20
Message: <me7vdus51o9kklhaael7tklnlao977obe7@4ax.com>
On Mon, 13 May 2002 13:03:32 +0200, "Thorsten Froehlich" <tho### [at] trfde>
wrote:
> > What values should I use to be compliant with suggestion in 5th and 6th line ?
>
> The message is generic and does *not* mean you have to change the values. It
> is only a *recommendation*.

Yes, yes, I know, as I said it is not very important report. Variation of
maximum gradient is 0 so in such case further use of evaluate has no sense
afaik.

> Essentially this happens mostly if you use
> evaluate with a very simple function for which evaluate isn't really needed...

I used this for very complex function. It was IC_Text("ISO-CSG Library",1,0))
from iso_csg library.

ABX


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