 |
|
|
|
|
|
| |
| |
|
|
|
|
| |
| |
|
|
I think the limit of functions per scene in POV3.5 is 65535.
I've tried to test the behavior when the number of functions is
more than 65535. The below is the test code.
I expected an error message something like ""Maximum number of
functions per scene reached." but the current RC crashes.
Win2000, 256M, both Intel and VC++ compile
R. Suzuki
------------------------------------------------------
#version 3.5;
#include "functions.inc"
#declare F1=65600;
camera { location <0, 0, -6.5> direction z }
light_source { <-0,10,-40> color rgb 2}
#macro SPHERE11(P1,P2)
sphere {0,1
texture{ pigment{
function{(cos(f_th(x,0,z)*P1+f_r(x,0,z)*4)*f_r(x,0,z)+1.5)/2.5
*f_r(x,0,z)}
color_map{[0 rgb <0.5,0.25,0.1>]
[.25 rgb <0.85,0.7,0.5>][.5 rgb 1][1 rgb 1]}}
finish{ambient 0.35}
}
scale <1,0.12,1> *0.5
}
#end
#declare R1 = seed(1);
#declare N1=0;
#while (N1<F1)
#declare P1=rand(R1);
object{
SPHERE11(5+int(rand(R1)*10), rand(R1))
translate <rand(R1)*100-50, rand(R1)*100-50,rand(R1)*20>
}
#declare N1=N1+1;
#if (mod(N1, 5000)=0)
#debug concat("N1:",str(N1,3,0),"\n")
#end
#end
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
| |
|
|
"R. Suzuki" wrote:
>
> I think the limit of functions per scene in POV3.5 is 65535.
>
> I've tried to test the behavior when the number of functions is
> more than 65535. The below is the test code.
> I expected an error message something like ""Maximum number of
> functions per scene reached." but the current RC crashes.
>
> Win2000, 256M, both Intel and VC++ compile
Confirmed for Linux RC4 (segmentation fault)
BTW, in the list of limits in docs section 6.1.6.2 am missing something
about the limit of nesting functions, i quite frequently get the error:
'Maximum function evaluation recursion level reached.'
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 05 May. 2002 _____./\/^>_*_<^\/\.______
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
| |
|
|
In article <3CDE8CD9.AC34C5E1@gmx.de> , Christoph Hormann
<chr### [at] gmx de> wrote:
> BTW, in the list of limits in docs section 6.1.6.2 am missing something
> about the limit of nesting functions, i quite frequently get the error:
> 'Maximum function evaluation recursion level reached.'
It is 128.
What the hell are you doing with such complex function? ;-)
Thorsten
____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde
Visit POV-Ray on the web: http://mac.povray.org
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
| |
|
|
Thorsten Froehlich <tho### [at] trfde> wrote:
> It is 128.
> What the hell are you doing with such complex function? ;-)
65535 functions and 128 recursion levels should be enough for anyone.
As well as 640 kilobytes of memory. ;)
--
#macro N(D)#if(D>99)cylinder{M()#local D=div(D,104);M().5,2pigment{rgb M()}}
N(D)#end#end#macro M()<mod(D,13)-6mod(div(D,13)8)-3,10>#end blob{
N(11117333955)N(4254934330)N(3900569407)N(7382340)N(3358)N(970)}// - Warp -
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
| |
|
|
In article <3cdea2bc@news.povray.org> , Warp <war### [at] tagpovrayorg> wrote:
>> What the hell are you doing with such complex function? ;-)
>
> 65535 functions and 128 recursion levels should be enough for anyone.
Long, long ago the limit was a sufficient 256 operations per function... :-)
> As well as 640 kilobytes of memory. ;)
No, the VM won't be too happy with such a small amount of memory - with 2^16
functions and 2^16 instructions per function and the instructions usually
taking 4 bytes each you end up with 16 GB...
But who needs 64 bit address space? ;-)
Thorsten
____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde
Visit POV-Ray on the web: http://mac.povray.org
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
| |
|
|
Thorsten Froehlich wrote:
>
> > BTW, in the list of limits in docs section 6.1.6.2 am missing something
> > about the limit of nesting functions, i quite frequently get the error:
> > 'Maximum function evaluation recursion level reached.'
>
> It is 128.
User-Defined Float Functions':
Limits:
- The maximum recursion depth for nesting functions is 128.
>
> What the hell are you doing with such complex function? ;-)
>
Oh come on, povers are commonly not known for their temperance...
Constructions like the following are very useful, but regularly exceed
this limit.
#while (...)
...
#local fn_new1 = function { fn_1(x, y, z) + fn_foo(x, y, z)
}
#undef fn_1
#local fn_1 = function { fn_new1(x, y, z) }
#undef fn_new1
...
#end
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 05 May. 2002 _____./\/^>_*_<^\/\.______
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
| |
|
|
in news:3CDEBA5B.A6AA7104@gmx.de Christoph Hormann wrote:
> Ingo: I would suggest something like the following in
>
> Limits:
>
> - The maximum recursion depth for nesting functions is 128.
>
Unless it changes the meaning completely, I think I'll leave out the word
"recursion", to prevent the idea that recursive functions are possible.
Ingo
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
| |
|
|
In article <3CDEBA5B.A6AA7104@gmx.de> , Christoph Hormann
<chr### [at] gmxde> wrote:
> User-Defined Float Functions':
>
> Limits:
>
> - The maximum recursion depth for nesting functions is 128.
In the docs this should be 1024 sand not 128. Guess why! ;-)
BTW, the parameter limit is 56 and not 40 anymore. This changed some time
ago. So the entry should be "The maximum number of allowed parameters per
function is 56"
Thorsten
____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde
Visit POV-Ray on the web: http://mac.povray.org
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
| |
|
|
In article <3CDEBA5B.A6AA7104@gmx.de> , Christoph Hormann
<chr### [at] gmxde> wrote:
> Constructions like the following are very useful, but regularly exceed
> this limit.
>
> #while (...)
>
> ...
>
> #local fn_new1 = function { fn_1(x, y, z) + fn_foo(x, y, z)
> }
> #undef fn_1
> #local fn_1 = function { fn_new1(x, y, z) }
> #undef fn_new1
>
> ...
>
> #end
So essentially what you want is a "sum" function?
Thorsten
____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde
Visit POV-Ray on the web: http://mac.povray.org
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
| |
|
|
Thorsten Froehlich wrote:
>
> [...]
>
> So essentially what you want is a "sum" function?
>
I'm not sure what you mean by 'sum' function, but of course this example
was very simple, usually there are a lot of '#if's etc. too.
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 05 May. 2002 _____./\/^>_*_<^\/\.______
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
|
|
