POV-Ray : Newsgroups : povray.documentation.inbuilt : Typo in 2.3.3.3.6 causes error message : Re: Typo in 2.3.3.3.6 causes error message Server Time
27 Jan 2022 13:23:30 EST (-0500)
  Re: Typo in 2.3.3.3.6 causes error message  
From: James Holsenback
Date: 19 May 2012 20:21:23
Message: <4fb83903$1@news.povray.org>
On 05/19/2012 05:44 PM, Lonewolf10 wrote:
>
> Hi,
>
> I have POV-Ray (3.6.2) and found a typo in the help files at the end of
> "Combining isosurface functions" (2.3.3.3.6), with this:
>
> function{fn_A(x,y,z) + pow(Blob_threshold,(Fn_B(x,y,z) + Strength))}
>
>
> function B (near the end) has a capital F, however the declared function has a
> lower case f:
>
> #declare fn_A = function { sqrt(pow(y,2) + pow(z,2)) - 0.8 }
> #declare fn_B = function { abs(x)+abs(y)-1 }
>
>
> POV-Ray displayed an "undeclared identifier" error message when trying to run
> it, and it took me ages to spot the typo.
>
>
> Regards,
> Lonewolf10
>
>
>
yes ... I spotted that when I migrated the docs to the wiki, and it was 
fixed some time ago:
http://wiki.povray.org/content/Documentation:Tutorial_Section_3.2#Combining_isosurface_functions


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