POV-Ray : Newsgroups : povray.newusers : isosurface - inside Server Time
4 Sep 2024 18:11:55 EDT (-0400)
  isosurface - inside (Message 1 to 2 of 2)  
From: Rafal 'Raf256' Maj
Subject: isosurface - inside
Date: 29 Aug 2002 17:25:57
Message: <Xns9279EDB57FE7Draf256com@204.213.191.226>
#declare a = inside(objAnimal,0); // 1

#declare objAnimal = isosurface { // 2
  function { x-inside(objAnimal,<x,y,z>) } // 3

line (1) is parsed correctly (object objAnimal exist, it is defined etc...) 
but (3) returns error :

File: C:\dev\pov\irtc\Loneliness\noe\noe.pov  Line: 109
#declare objAnimal = isosurface {
  function { x-inside(objAnimal <----ERROR
Parse Error: Expected 'operand', object identifier found instead
Returned from renderer with error status

how to fix it ?

-- 
#macro g(U,V)(.4*abs(sin(9*sqrt(pow(x-U,2)+pow(y-V,2))))*pow(1-min(1,(sqrt(
pow(x-U,2)+pow(y-V,2))*.3)),2)+.9)#end#macro p(c)#if(c>1)#local l=mod(c,100
);g(2*div(l,10)-8,2*mod(l,10)-8)*p(div(c,100))#else 1#end#end light_source{
y 2}sphere{z*20 9pigment{function{p(26252423)*p(36455644)*p(66656463)}}}//M


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From: ABX
Subject: Re: isosurface - inside
Date: 30 Aug 2002 02:15:49
Message: <083umu8qdb1gjq1o9nr1kjtlp0s93a3peq@4ax.com>
On 29 Aug 2002 17:25:57 -0400, "Rafal 'Raf256' Maj" <raf### [at] raf256com> wrote:
> #declare a = inside(objAnimal,0); // 1
>
> #declare objAnimal = isosurface { // 2
>  function { x-inside(objAnimal,<x,y,z>) } // 3
>
> line (1) is parsed correctly (object objAnimal exist, it is defined etc...) 
> but (3) returns error

nothing strange, look at http://www.povray.org/documentation/view/140/, where
is inside listed in user defined functions syntax ?

> how to fix it ?

with object pattern of course

ABX


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