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"Francois Labreque" <fla### [at] videotron ca> wrote:
> Going to the trouble of shooting 480800 rays and outputing a black 800x600
> image when it already knows this is not a scene.
Well - it is your own mistake, after all. Personally, I like it when the
program doesn't try to second-guess me too much. There are cases where you
might want to render a scene without objects; why should POV prevent you
from doing this?
--
Margus Ramst
Personal e-mail: mar### [at] peakeduee
TAG (Team Assistance Group) e-mail: mar### [at] tagpovrayorg
Home page http://www.hot.ee/margusrt
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Margus Ramst <mar### [at] peakeduee> wrote:
: There are cases where you
: might want to render a scene without objects; why should POV prevent you
: from doing this?
Here is an example. Try rendering it with pov3.1 or MegaPov. It will not
succeed even though the image is far from being pure black!
camera { ultra_wide_angle }
sky_sphere { pigment { bozo color_map { [0 rgb 0][1 rgb 1] } scale .1 } }
--
#macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
],13),8)-3,10>#end blob{N(array[6]{11117333955,
7382340,3358,3900569407,970,4254934330},0)}// - Warp -
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Margus Ramst wrote:
> "Francois Labreque" <fla### [at] videotronca> wrote:
>
>
>
>>Going to the trouble of shooting 480800 rays and outputing a black 800x600
>>image when it already knows this is not a scene.
>>
>
> Well - it is your own mistake, after all. Personally, I like it when the
> program doesn't try to second-guess me too much. There are cases where you
> might want to render a scene without objects; why should POV prevent you
> from doing this?
>
This is why my original message asked "is it a new behaviour or a bug?"
I was kind of clued in to the fact that it was intentional by the change
from "Error" to "Warning", but didn't want to rule out the possibility
that the person who made that change to the source code was asleep.
--
/*Francois Labreque*/#local a=x+y;#local b=x+a;#local c=a+b;#macro P(F//
/* flabreque */L)polygon{5,F,F+z,L+z,L,F pigment{rgb 9}}#end union
/* @ */{P(0,a)P(a,b)P(b,c)P(2*a,2*b)P(2*b,b+c)P(b+c,<2,3>)
/* videotron.ca */}camera{location<6,1.25,-6>look_at a orthographic}
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"Margus Ramst" <mar### [at] peakeduee> wrote in message
news:3bbb829a$1@news.povray.org...
>
> Well - it is your own mistake, after all. Personally, I like it when the
> program doesn't try to second-guess me too much. There are cases where you
> might want to render a scene without objects; why should POV prevent you
> from doing this?
>
Perhaps a little talking mirrored-sphere-on-a-checkered-plane could pop up and
patronise you for a bit?
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Tom Melly wrote:
> "Margus Ramst" <mar### [at] peakeduee> wrote in message
> news:3bbb829a$1@news.povray.org...
>
>>Well - it is your own mistake, after all. Personally, I like it when the
>>program doesn't try to second-guess me too much. There are cases where you
>>might want to render a scene without objects; why should POV prevent you
>>from doing this?
>>
>>
>
> Perhaps a little talking mirrored-sphere-on-a-checkered-plane could pop up and
> patronise you for a bit?
>
Didn't Warp make one a while back that was making a funny face?
--
/*Francois Labreque*/#local a=x+y;#local b=x+a;#local c=a+b;#macro P(F//
/* flabreque */L)polygon{5,F,F+z,L+z,L,F pigment{rgb 9}}#end union
/* @ */{P(0,a)P(a,b)P(b,c)P(2*a,2*b)P(2*b,b+c)P(b+c,<2,3>)
/* videotron.ca */}camera{location<6,1.25,-6>look_at a orthographic}
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"Francois Labreque" <fla### [at] videotronca> wrote in message
news:3BB### [at] videotronca...
>
> Didn't Warp make one a while back that was making a funny face?
Yeh - it popped into my mind whilst writing that... heh.
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Francois Labreque <fla### [at] videotronca> wrote:
: Didn't Warp make one a while back that was making a funny face?
Nope, it's not mine. And it can be found in the example scenes of pov3.5.
--
#macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
],13),8)-3,10>#end blob{N(array[6]{11117333955,
7382340,3358,3900569407,970,4254934330},0)}// - Warp -
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"Francois Labreque" wrote:
> Tom Melly wrote:
> > Perhaps a little talking mirrored-sphere-on-a-checkered-plane
> > could pop up and patronise you for a bit?
>
> Didn't Warp make one a while back that was making a funny face?
Maybe - I don't know. But maybe you're thinking of the "No More Chrome
Spheres Please" sample scene file in POV-Ray 3.5: scenes\advanced\cliche.pov
?
Rune
--
3D images and anims, include files, tutorials and more:
Rune's World: http://rsj.mobilixnet.dk (updated June 26)
POV-Ray Users: http://rsj.mobilixnet.dk/povrayusers/
POV-Ray Webring: http://webring.povray.co.uk
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