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RusHHouR wrote:
> Your screen is upside down.
Reversed as in inverted: The crater walls look like they are going
down into the ground, and the plateaus look like hills.
No matter how long and how I look at the image, I can't see the
crater walls going up.
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Warp nous apporta ses lumieres en ce 15/07/2006 04:53:
> Why does it look like the craters are reversed?
The light is comming from the BOTTOM left.
--
Alain
-------------------------------------------------
Christian Science #2: Shit happening is all in your mind.
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Alain wrote:
> Warp nous apporta ses lumieres en ce 15/07/2006 04:53:
>> Why does it look like the craters are reversed?
> The light is comming from the BOTTOM left.
No matter how long I look at it, I see bubbles, not craters.
Perhaps one problem is that the crater walls don't cast shadows.
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Warp nous apporta ses lumieres en ce 15/07/2006 14:20:
> Alain wrote:
>> Warp nous apporta ses lumieres en ce 15/07/2006 04:53:
>> The light is comming from the BOTTOM left.
>
> No matter how long I look at it, I see bubbles, not craters.
>
> Perhaps one problem is that the crater walls don't cast shadows.
They do cast slight shadows, toward the TOP and a little to the right, and ONLY on the
ground
outside of the craters. Those shadows are what make you see them as inverted.
--
Alain
-------------------------------------------------
Gossip is when you hear something you like about someone you don't.
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"EagleSun" <nomail@nomail> wrote:
> "Mike Sobers" <sob### [at] mindspring com> wrote:
> > I compiled the crater field generator code by PM 2Ring with a few
> > modifications:
> >
>
> Hmm.... Did your program make this image? (Originally 4000x4000-16bit)
Probably, but it's not my program. I only modified it to add some more
details. And it only puts out 8-bit (for now).
Mike
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Among other things, Warp saw fit to write:
> No matter how long I look at it, I see bubbles, not craters.
No matter how long I look at it, I see craters, not bubbles. ;)
--
light_source{9+9*x,1}camera{orthographic look_at(1-y)/4angle 30location
9/4-z*4}light_source{-9*z,1}union{box{.9-z.1+x clipped_by{plane{2+y-4*x
0}}}box{z-y-.1.1+z}box{-.1.1+x}box{.1z-.1}pigment{rgb<.8.2,1>}}//Jellby
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Jellby wrote:
> Among other things, Warp saw fit to write:
>
>> No matter how long I look at it, I see bubbles, not craters.
>
> No matter how long I look at it, I see craters, not bubbles. ;)
Deducing from your smiley I assume it's not true.
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Among other things, Warp saw fit to write:
>>> No matter how long I look at it, I see bubbles, not craters.
>>
>> No matter how long I look at it, I see craters, not bubbles. ;)
>
> Deducing from your smiley I assume it's not true.
No, it's true, even though the light comes from below, I have no problem
seeing craters and I just can't get my brain to "see" bubbles.
--
light_source{9+9*x,1}camera{orthographic look_at(1-y)/4angle 30location
9/4-z*4}light_source{-9*z,1}union{box{.9-z.1+x clipped_by{plane{2+y-4*x
0}}}box{z-y-.1.1+z}box{-.1.1+x}box{.1z-.1}pigment{rgb<.8.2,1>}}//Jellby
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Jellby wrote:
> No, it's true, even though the light comes from below, I have no problem
> seeing craters and I just can't get my brain to "see" bubbles.
It's just so strange. Even when I make great efforts to force my
brain to see craters instead of bubbles, I can't. I concentrate on
one of the circles, visualize the light coming from below (and a
bit from the left), adamantly think "ok, starting from below the
circle, the terrain goes *up* and gets more lighted, then there's
a sharp edge after which the terrain goes *down* as is thus darker,
after which there's a large depression in the ground, after which
the terrain goes again *up*, there's a sharp edge and goes *down*
again", it doesn't help. My brain still sees the exact opposite:
A bubble with its borders dug into the ground. No matter how hard
I try, I cannot get my brain to see a crater. Strange.
I wonder what would happen if the image was re-rendered with the
light coming from the opposite side.
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I tried once again, this time occluding parts of the crater I was
concentrating on, suddenly my brain flipped the image and now I see
craters instead of bubbles!
Ironically, now that I see craters I'm unable to see the bubbles...
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