/**************************************
POV-Ray Scene Description File

File Name:	Orient_Test_2.pov
Description:	Testing the circular and orient keywords
Author:		Glen Berry
Author's Email:	pho### [at] ezwvcom
Date:		02/22/2000

**************************************/

#version unofficial MegaPov 0.4;

#include "colors.inc"

global_settings { ini_option "Width=600" 
                                  ini_option "Height=600"
                                  ini_option "Antialias=On" 
                                  ini_option "Antialias_Threshold=0"
                               }

camera { location -z*500
                   up y
                   right x
                   angle 45
                   look_at 0
                }

box { <-1,-1,0>, <1,1,1>
           pigment { color White }
           finish { ambient 0.2 diffuse 0.8 }
           scale <300, 300, 1>
        }

#declare Total = 8;
#declare Count=0;

#while(Count<Total)
   cylinder { <50, 0, -50>, <50, 0, 0.1>, 10
                      pigment { color Orange }
                      finish { ambient 0.2 diffuse 0.8 }
                      rotate z*Count*(360/Total)
                    }
   #declare Count=Count+1;
#end

// Circular Area Light, with orient?
light_source { 0
                            color rgb 1
                            area_light <40, 0, 0> <0, 0, 40> 9, 9
                            circular
                            orient
                            adaptive 0
                            jitter
                            translate -z*30
                         }

Post a reply to this message

Glenn Berry wrote:
<Snip>
>// Circular Area Light, with orient?
>light_source { 0
>                            color rgb 1
>                            area_light <40, 0, 0> <0, 0, 40> 9, 9 <----
fault is here
>                            circular
>                            orient
>                            adaptive 0
>                            jitter
>                            translate -z*30
>                         }
>

Replace the <40,0,0>,<0,0,40> with <-20,0,0>,<20,0,40>.
I'm not that good at explaining but you should be able to figure out the
error in your code.

Jide

Post a reply to this message

<juh### [at] kolumbusfi> wrote:

>Replace the <40,0,0>,<0,0,40> with <-20,0,0>,<20,0,40>.
>I'm not that good at explaining but you should be able to figure out the
>error in your code.

I appreciate your help with this. For the record, I patterned my code
after the official Windows POV insert menu. If you look at the insert
menu's entry for "area light" you will see a line that contains this:

    <8, 0, 0> <0, 0, 8>

I simply changed the 8's to 40's, thinking all was well. Actually, I
did think the line looked a little odd, but I trusted the insert menu
to be correct. 

One final thought: You have a comma inserted between your vectors, but
the example in the insert menu does not. I wonder which is the most
proper syntax? I'll try both and find out, I guess.

thanks again,
Glen Berry

Post a reply to this message

Glen Berry wrote:

><juh### [at] kolumbusfi> wrote:
>
>>Replace the <40,0,0>,<0,0,40> with <-20,0,0>,<20,0,40>.
>>I'm not that good at explaining but you should be able to figure out the
>>error in your code.
>
>I appreciate your help with this. For the record, I patterned my code
>after the official Windows POV insert menu. If you look at the insert
>menu's entry for "area light" you will see a line that contains this:
>
>    <8, 0, 0> <0, 0, 8>
>
>I simply changed the 8's to 40's, thinking all was well. Actually, I
>did think the line looked a little odd, but I trusted the insert menu
>to be correct.

I've never used the insert menu. It's a better workout for the brain when
you need to remeber every command :)

>One final thought: You have a comma inserted between your vectors, but
>the example in the insert menu does not. I wonder which is the most
>proper syntax? I'll try both and find out, I guess.

Propably the manuals <a,b,c> <d,e,f> but for some strange reason I've gotten
the <a,b,c>,<d,e,f> superimposed to my brain. It works and that's what I'm
mostly after in my code (well ok I do have pretty strict rules for tabs and
whatnot)

>thanks again,
>Glen Berry

Always glad to help whenever I can.

Jide

Post a reply to this message

Glen Berry <7no### [at] ezwvcom> wrote...

>                            adaptive 0

This line is also a problem.  Either comment out this line so that you'll
use 9x9 non-adaptive, or use at least "adaptive 1".  Either of those will
increase the number of samples and thus will get rid of the artifacts.

-Nathan

Post a reply to this message

On Thu, 24 Feb 2000 13:28:50 -0500, "Nathan Kopp" <Nat### [at] Koppcom>
wrote:

>
>Glen Berry <7no### [at] ezwvcom> wrote...
>
>>                            adaptive 0
>
>This line is also a problem.  Either comment out this line so that you'll
>use 9x9 non-adaptive, or use at least "adaptive 1".  Either of those will
>increase the number of samples and thus will get rid of the artifacts.

This line was also influenced by the Win POV insert menu. It's
"default" for adaptive is 0, although it lists other values in a
comment field.

As you can imagine, I will be modifying my insert menu.   :)

I appreciate everyone's help with this.

thanks,
Glen Berry

Post a reply to this message