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On 06/27/2018 06:47 PM, Bald Eagle wrote:
>
> I can't tell you how many times I've answered my own question in the middle of
> typing up a post trying to explain what I'm failing at doing. :D
Ditto.
--
dik
Rendered 328976 of 330000 (99%)
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Am 28.06.2018 um 00:47 schrieb Bald Eagle:
> I can't tell you how many times I've answered my own question in the middle of
> typing up a post trying to explain what I'm failing at doing. :D
Word.
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On 28/06/2018 14:29, clipka wrote:
> Am 28.06.2018 um 00:47 schrieb Bald Eagle:
>
>> I can't tell you how many times I've answered my own question in the middle of
>> typing up a post trying to explain what I'm failing at doing. :D
>
> Word.
>
Agreement?
(Is there a prize?)
--
Regards
Stephen
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hi,
"Bald Eagle" <cre### [at] netscape net> wrote:
> > wow, thank you very much. that presentation video is .. natty. :-)
> Well, yes. We all develop an individual style, and like they say - you should
> stick with what you're good at ;)
> I figured I needed to hammer something functional out that would illustrate the
> proof of concept, and I had like 20 minutes to do it...
visually v accomplished for a 20 minute "job".
there is one drawback, from my perspective, the lack of a second media which
interacts, otoh I now know that the animation related stuff can be taken care of
early, earlier than I thought.
> > looking at it all with an extra day's reflection, I now see that I ought to
> > learn walking before running. </sighs>
>
> Never any harm trying to hit the ground running, but sometimes if that doesn't
> work, a slow, methodical working up from first-principles seems to be the best
> way to achieve success.
> Slow is smooth, smooth is fast.
> You can't miss fast enough to win.
not familiar with that phrase. like: you can't win a race in the opening lap?
> > so, the next steps will be using your
> > and WF Pokorny's code as starting points for "re-construction" to "fit" my aims.
> > and this time it'll have to be systematic. :-)
>
> Sometimes the best thing to do is write a pseudocode / explanatory outline to
> lay out the flow of things.
I'm too old to work on-screen exclusively. :-) but an outline, no matter how
detailed, cannot compensate for lacking .. in the basics.
> It also helps identify sticky spots, clarify the
> order of operations, how things need to be defined, hierarchies, data
> structures, how layers should be constructed, etc.
>
> I can't tell you how many times I've answered my own question in the middle of
> typing up a post trying to explain what I'm failing at doing. :D
yes, as the follow-ups attest, not an uncommon occurrence. :-)
> I'm hoping to get some free time to play with this some more and make something
> a bit more refined ;)
like, two media?! ;-)
cheers.
regards, jr.
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"jr" <cre### [at] gmailcom> wrote:
> there is one drawback, from my perspective, the lack of a second media which
> interacts, otoh I now know that the animation related stuff can be taken care of
> early, earlier than I thought.
I'd say it would have to be integrated from the start, due to the translations,
etc that are clock dependent.
What would the second media do? Just produce a different color, and a third
color when all 3 overlap? I'll give it a go - or you could just change my code
to make one media cylinder 100% red, and 50% green, and another media cylinder
50% green and 100% blue. Then have them move in opposite directions, or easier
- just rotate one y*90.
> > Slow is smooth, smooth is fast.
> > You can't miss fast enough to win.
>
> not familiar with that phrase. like: you can't win a race in the opening lap?
It's more of a sporting activity referring to hitting the intended area.
Don't rush - take your time. That makes things smooth. The smoother it is, the
faster it will be when you speed it up.
You can be the _fastest_ person to miss the target 1000 times.... no score.
> I'm too old to work on-screen exclusively. :-) but an outline, no matter how
> detailed, cannot compensate for lacking .. in the basics.
I have mountains of scribble paper, and sometimes use the 3 sides of a cardboard
box (x, y, z)
> like, two media?! ;-)
Unless you beat me to it. :P
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On 28/06/2018 20:13, Bald Eagle wrote:
> It's more of a sporting activity referring to hitting the intended area.
> Don't rush - take your time. That makes things smooth. The smoother it is, the
> faster it will be when you speed it up.
>
> You can be the_fastest_ person to miss the target 1000 times.... no score.
That reminds me of an article that I read years (decades?) ago. It was
times. The younger less experienced players with fast reaction times
would run and jump to catch the ball straight away. Whilst older players
would look and think before they did anything. More often than not the
older player would (statistically) be the better.
team. I think that is what it is called nowadays. We were certainly
taught to look before we leapt.
--
Regards
Stephen
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"jr" <cre### [at] gmailcom> wrote:
> like, two media?! ;-)
So, hopefully this works (completely untested) and it what you're looking for.
#version 3.8;
// Code by William Pokorny, modified by Bill Walker (Bald Eagle) for jr
2018-06-26
// Animation settings - 50 frames, clock from -1 to 1
global_settings {assumed_gamma 1}
#include "colors.inc"
#include "functions.inc"
background {Black}
#declare Camera00 = camera {
perspective
location <3,3,-3.001>
sky y
angle 35
right x*(image_width/image_height)
look_at <0,0,0>
}
#declare White = srgb <1,1,1>;
#declare Light00 = light_source { <50,150,-250>, White }
#declare Red = srgb <1,0,0>;
#declare CylinderX = cylinder { -1*x, 1*x, 0.01 pigment { Red } }
#declare Green = srgb <0,1,0>;
#declare CylinderY = cylinder { -1*y, 1*y, 0.01 pigment { Green } }
#declare Blue = srgb <0,0,1>;
#declare CylinderZ = cylinder { -1*z, 1*z, 0.01 pigment { Blue } }
#declare Base = box {<-1, -0.51, -1>, <1, -0.5, 1> pigment {Gray10}}
#declare InvisibleObject = sphere {<0,0,0>, 0.5}
#declare InvisibleObjectMediaContainer = sphere {<0,0,0>, 0.6}
#declare S = 0.4;
#declare FnZero = function (x,y,z) {0}
//#declare Scanner = box {-S*<1, 1, 1>, S*<1, 1, 1>}
#declare Scanner = cylinder {-1*x, 1*x, 0.1 translate y*0.5 translate
-y*pow(clock,2)}
#declare FnScanner = function {pattern {object {Scanner}}}
#declare Scanner2 = cylinder {-1*x, 1*x, 0.1 rotate y*90 translate y*0.5
translate -y*pow(clock,2)}
#declare FnScanner2 = function {pattern {object {Scanner}}}
#declare FnInvisibleObject = function {pattern {object {InvisibleObject}}}
// user_defined {FnRed, FnGreen, FnBlue, FnFilter, FnTransmit}
#declare ShowOverlap = density {
user_defined {
function { FnInvisibleObject (x,y,z)*FnScanner(x,y,z) },
function { (0.5*FnInvisibleObject (x,y,z)*FnScanner(x,y,z)) +
(0.5*FnInvisibleObject (x,y,z)*FnScanner2(x,y,z))},
function { FnInvisibleObject (x,y,z)*FnScanner2(x,y,z) },,
}
}
#declare Media00 = media {
method 3
samples 300
emission rgb <1,1,1>
density {ShowOverlap}
}
#declare Clear100 = srgbt <1,1,1,1>;
#declare Texture00 = texture {pigment {color Clear100}}
#declare Interior00 = interior {ior 1 media {Media00}}
#declare Material00 =
material {
texture {Texture00}
interior {Interior00}
}
#declare ObjectMediaContainer =
object {
InvisibleObjectMediaContainer
material {Material00}
hollow
}
//--- scene ---
camera {Camera00}
light_source {Light00}
//object {CylinderX}
//object {CylinderY}
//object {CylinderZ}
object {Base}
object {ObjectMediaContainer}
//------------------------------------------
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hi,
sorry Bill, slipped my mind.
"Bald Eagle" <cre### [at] netscapenet> wrote:
> "jr" <cre### [at] gmailcom> wrote:
> > like, two media?! ;-)
> So, hopefully this works (completely untested) and it what you're looking for.
<code snipped>
thank you. I was/am .. bowled over.. will render + examine hopefully this
weekend.
cheers.
regards, jr.
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"jr" <cre### [at] gmailcom> wrote:
> hi,
>
> sorry Bill, slipped my mind.
>
> "Bald Eagle" <cre### [at] netscapenet> wrote:
> > "jr" <cre### [at] gmailcom> wrote:
> > > like, two media?! ;-)
> > So, hopefully this works (completely untested) and it what you're looking for.
>
> <code snipped>
>
> thank you. I was/am .. bowled over.. will render + examine hopefully this
> weekend.
> cheers.
Errata:
#declare FnScanner2 = function {pattern {object {Scanner}}}
make this
#declare FnScanner2 = function {pattern {object {Scanner2}}}
I just did a single frame at clock 0.75, and it seems like it ought to be fine.
Might get to play with it more in a bit.
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What do you think?
Post a reply to this message
Attachments:
Download 'scanner2.mp4.mpg' (568 KB)
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