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Added a propensity for growing towards the sky to my
shrub code. I am most grateful that so many of you have
taken the time to comment on these pictures, without which
they would only be mediocre. I am hoping that each
generation is getting better. As usual, the jpeg crushes the
detail of the picture.
You will see in this picture that most branches are growing
towards the sky and a few are not. I tried to impose some
probabilities to make it so that there would still be a few branches
that are not fully oriented to the the sun, hopefully to indicate
that some minor damage or inadequate sunlight to the branch
has taken place and repair or correction is not yet complete.
I look forward to your comments.
Stats:
Using PIII 450, .5 Gb ram, Win 98
No AA, 800x600
Objects: 28,076
Memory: 50Mb
Parse: 1:23
Trace: 1:15
Total: 2:38
Wishing you a grand and wonderful evening!
=Bob=
Post a reply to this message
Attachments:
Download 'Shrub4.jpg' (117 KB)
Preview of image 'Shrub4.jpg'
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=Bob= wrote:
>
> Added a propensity for growing towards the sky to my
> shrub code. I am most grateful that so many of you have
> taken the time to comment on these pictures, without which
> they would only be mediocre. I am hoping that each
> generation is getting better. As usual, the jpeg crushes the
> detail of the picture.
>
> You will see in this picture that most branches are growing
> towards the sky and a few are not. I tried to impose some
> probabilities to make it so that there would still be a few branches
> that are not fully oriented to the the sun, hopefully to indicate
> that some minor damage or inadequate sunlight to the branch
> has taken place and repair or correction is not yet complete.
> I look forward to your comments.
>
That looks good again, the new growing algorithm helps a lot. Do you plan
to publish the code? :-)
Christoph
--
Christoph Hormann <chr### [at] gmx de>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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Wow these have really come a long way. I really like this!!
=Bob= wrote:
> Added a propensity for growing towards the sky to my
> shrub code. I am most grateful that so many of you have
> taken the time to comment on these pictures, without which
> they would only be mediocre. I am hoping that each
> generation is getting better. As usual, the jpeg crushes the
> detail of the picture.
>
> You will see in this picture that most branches are growing
> towards the sky and a few are not. I tried to impose some
> probabilities to make it so that there would still be a few branches
> that are not fully oriented to the the sun, hopefully to indicate
> that some minor damage or inadequate sunlight to the branch
> has taken place and repair or correction is not yet complete.
> I look forward to your comments.
>
> Stats:
>
> Using PIII 450, .5 Gb ram, Win 98
> No AA, 800x600
> Objects: 28,076
> Memory: 50Mb
> Parse: 1:23
> Trace: 1:15
> Total: 2:38
>
> Wishing you a grand and wonderful evening!
> =Bob=
>
> [Image]
Post a reply to this message
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=Bob= wrote:
>
> Added a propensity for growing towards the sky to my
> shrub code. I am most grateful that so many of you have
> taken the time to comment on these pictures, without which
> they would only be mediocre. I am hoping that each
> generation is getting better. As usual, the jpeg crushes the
> detail of the picture.
>
> You will see in this picture that most branches are growing
> towards the sky and a few are not. I tried to impose some
> probabilities to make it so that there would still be a few branches
> that are not fully oriented to the the sun, hopefully to indicate
> that some minor damage or inadequate sunlight to the branch
> has taken place and repair or correction is not yet complete.
> I look forward to your comments.
It's definitely looking better.. but I wonder, should the leaves go all
the way to the bottom like that?
-Xplo
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The shrubs are growing very well ...
But the aliasing(and the sharp contrasts) makes it hard for the
JPG ...
So either try to use AA or render it in a higher resolution and
than apply a mosaik-filter (averaging the color of 2x2 pixels)
before scaling it down to 50% ...
This can make wonders ...
CU Jan ..
--
,', Jan Walzer \V/ http://wa.lzer.net ,',
',',' student of >|< mailto:jan### [at] lzernet ',','
' ComputerScience /A\ +49-177-7403863 '
=Bob= <Bob### [at] threestrandscom> schrieb in im Newsbeitrag:
3a29be21@news.povray.org...
> Added a propensity for growing towards the sky to my
> shrub code. I am most grateful that so many of you have
> taken the time to comment on these pictures, without which
> they would only be mediocre. I am hoping that each
> generation is getting better. As usual, the jpeg crushes the
> detail of the picture.
>
> You will see in this picture that most branches are growing
> towards the sky and a few are not. I tried to impose some
> probabilities to make it so that there would still be a few
branches
> that are not fully oriented to the the sun, hopefully to
indicate
> that some minor damage or inadequate sunlight to the branch
> has taken place and repair or correction is not yet complete.
> I look forward to your comments.
>
> Stats:
>
> Using PIII 450, .5 Gb ram, Win 98
> No AA, 800x600
> Objects: 28,076
> Memory: 50Mb
> Parse: 1:23
> Trace: 1:15
> Total: 2:38
>
> Wishing you a grand and wonderful evening!
> =Bob=
>
>
>
>
>
Post a reply to this message
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On Sun, 03 Dec 2000 02:55:08 -0700, Xplo Eristotle wrote:
>It's definitely looking better.. but I wonder, should the leaves go all
>the way to the bottom like that?
There are trees/shrubs like that, this is the one like the Budlia,
which has does have leaves going all the way down to the bottom of
the trunk, some willows are a bit like this too.
--
Cheers
Steve email mailto:ste### [at] zeroppsuklinuxnet
%HAV-A-NICEDAY Error not enough coffee 0 pps.
web http://www.zeropps.uklinux.net/
or http://start.at/zero-pps
12:13pm up 53 days, 14:37, 2 users, load average: 1.00, 1.00, 1.00
Post a reply to this message
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Looks great and obviously it's very fast but you wouldn't want to have many of
these in a scene. What are the possibilities to tweak the bush?
Remco
=Bob= wrote:
>
> Added a propensity for growing towards the sky to my
> shrub code. I am most grateful that so many of you have
> taken the time to comment on these pictures, without which
> they would only be mediocre. I am hoping that each
> generation is getting better. As usual, the jpeg crushes the
> detail of the picture.
>
> You will see in this picture that most branches are growing
> towards the sky and a few are not. I tried to impose some
> probabilities to make it so that there would still be a few branches
> that are not fully oriented to the the sun, hopefully to indicate
> that some minor damage or inadequate sunlight to the branch
> has taken place and repair or correction is not yet complete.
> I look forward to your comments.
>
> Stats:
>
> Using PIII 450, .5 Gb ram, Win 98
> No AA, 800x600
> Objects: 28,076
> Memory: 50Mb
> Parse: 1:23
> Trace: 1:15
> Total: 2:38
>
> Wishing you a grand and wonderful evening!
> =Bob=
>
> [Image]
Post a reply to this message
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Hi Christoph,
Thanks! I do plan to publish the code when
I get all the variables under control and properly
documented.
=Bob=
"Christoph Hormann" <chr### [at] gmxde> wrote in message
news:3A2A00FD.C2D25354@gmx.de...
[Deletions]
: That looks good again, the new growing algorithm helps a lot. Do you plan
: to publish the code? :-)
: Christoph
Post a reply to this message
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Thanks Thomas, it's because I've received critique
and suggestions for improvement that it's getting
better.
=Bob=
"Thomas Lake" <tla### [at] homecom> wrote in message
news:3A2A11D2.20F32C3E@home.com...
: Wow these have really come a long way. I really like this!!
[My previous post deleted]
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Hi Xplo,
The starting leaf region and range are definable anyway, so I could
move it up and down.
Thanks, have a great day!
=Bob=
"Xplo Eristotle" <inq### [at] unforgettablecom> wrote in message
news:3A2A186F.4F3C630A@unforgettable.com...
[My previous post deleted]
: It's definitely looking better.. but I wonder, should the leaves go all
: the way to the bottom like that?
:
: -Xplo
Post a reply to this message
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Hi Jan,
Thanks, I'll try that out.
=Bob=
"Jan Walzer" <jan### [at] lzernet> wrote in message
news:3a2a3626@news.povray.org...
: The shrubs are growing very well ...
:
: But the aliasing(and the sharp contrasts) makes it hard for the
: JPG ...
: So either try to use AA or render it in a higher resolution and
: than apply a mosaik-filter (averaging the color of 2x2 pixels)
: before scaling it down to 50% ...
: This can make wonders ...
: CU Jan ..
[My previous post deleted]
Post a reply to this message
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Hi Remco,
Thanks, I agree too that you would use these carefully
in a scene, and certainly no reason to build a background
from them, just not worth it there. These would be for a
foreground or macro environment.
There are quite a number of variables to control the shape,
size, leaf shape, colors, leaf and branch probability, upward
force to sky, number of starting stems, tightness of grouping,
maximum child branch level, leaf starting region and level,
branch radius, radius percentage at the end of a branch,
number of segments to use in creating branches, percentages
for child branch segment size and quantity, X/Y/Z angle of change
per segment, branch division, etc. It should be able to make
quite a variety of shrubs. Hopefully, I'll have a preliminary .INC
ready next week for review.
Thanks for your input, have a great day!
=Bob=
"Remco de Korte" <rem### [at] onwijscom> wrote in message
news:3A2A5074.754C1C1A@onwijs.com...
: Looks great and obviously it's very fast but you wouldn't want to have
many of
: these in a scene. What are the possibilities to tweak the bush?
: Remco
[My previous post deleted]
Post a reply to this message
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=Bob= wrote:
>
> Hi Christoph,
>
> Thanks! I do plan to publish the code when
> I get all the variables under control and properly
> documented.
>
> =Bob=
>
Yeah, that's a good idea, i just tried to dig through some code i made 4
days ago ;-)
Christoph
--
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
Post a reply to this message
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=Bob= schrieb in Nachricht <3a2a5dbd@news.povray.org>...
[.... lots and lots of variables]
Ups, ....
please define some working defaults for every variable, so that even I can
make some of these beauties for my scenes. :-)
These look realy usefull and good!
Marc-Hendrik
Post a reply to this message
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That's what I'm working on now, I'm making 14
different shrubs using different variables in each,
with some explanations for the variables and
the data assigned to them. It's going to take
a while. So far, I have all the working defaults
defined and commented, plus I've implemented
a macro that resets them to their default values
so multiple shrubs can be used in a scene. When
I made the recent changes to the code, it set me
back a bit as it affected my samples in a significant
manner. I'm hoping to have something next week
though. I'll try to post another sample using some
different controls later today as I'm working.
Thanks for your interest and input on this project.
Have a grand and wonderful day!
=Bob=
"Marc-Hendrik Bremer" <Mar### [at] t-onlinede> wrote in message
news:3a2a9d9e@news.povray.org...
: =Bob= schrieb in Nachricht <3a2a5dbd@news.povray.org>...
: [.... lots and lots of variables]
:
: Ups, ....
:
: please define some working defaults for every variable, so that even I can
: make some of these beauties for my scenes. :-)
:
: These look realy usefull and good!
: Marc-Hendrik
Post a reply to this message
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=Bob= wrote:
>
> Hi Remco,
>
> Thanks, I agree too that you would use these carefully
> in a scene, and certainly no reason to build a background
> from them, just not worth it there. These would be for a
> foreground or macro environment.
>
> There are quite a number of variables to control the shape,
> size, leaf shape, colors, leaf and branch probability, upward
> force to sky, number of starting stems, tightness of grouping,
> maximum child branch level, leaf starting region and level,
> branch radius, radius percentage at the end of a branch,
> number of segments to use in creating branches, percentages
> for child branch segment size and quantity, X/Y/Z angle of change
> per segment, branch division, etc. It should be able to make
> quite a variety of shrubs. Hopefully, I'll have a preliminary .INC
> ready next week for review.
>
> Thanks for your input, have a great day!
> =Bob=
>
That should keep us busy for some time ;)
I hope it's possible to skip parameters so that they get a default value.
Remco
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Hi Remco,
The way I have it set up, there's a macro to
set the variables to their default values. PovRay
doesn't allow enough parameters to a macro to
handle them all, so I had no choice but to make
most of them global anyway. So what I've been
doing is calling the macro to set default values
then changing just the ones I want. Does that
sound like a good way to do it? I couldn't think
of better way.
=Bob=
"Remco de Korte" <rem### [at] onwijscom> wrote in message
news:3A2AC3E8.B12D07DD@onwijs.com...
[My previous post deleted]
: That should keep us busy for some time ;)
: I hope it's possible to skip parameters so that they get a default value.
: Remco
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=Bob= wrote:
>
> Hi Remco,
>
> The way I have it set up, there's a macro to
> set the variables to their default values. PovRay
> doesn't allow enough parameters to a macro to
> handle them all, so I had no choice but to make
> most of them global anyway. So what I've been
> doing is calling the macro to set default values
> then changing just the ones I want. Does that
> sound like a good way to do it? I couldn't think
> of better way.
>
> =Bob=
>
Seems fair (if I understand it right).
The way I often do it is use the main variables as parameters for the macro and
declare (#local) the others in the macro if they aren't already declared
(IFNDEF).
Remco
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=Bob= wrote:
> I look forward to your comments.
Sorry mostly questions :) ^^^^^^^^^^
I love the way the branches grow now
Is there a way to change the amount of influence the sun has on growing
direction?
Can you add more than 1 sun position?
Any plans for flower infloresences & fruit?
Animatable?
--
Bye
Pabs
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Hi Pabs,
"Pabs" <pab### [at] hotmailcom> wrote in message
news:3A2B2CEC.9E4682B6@hotmail.com...
: =Bob= wrote:
: > I look forward to your comments.
:
: Sorry mostly questions :) ^^^^^^^^^^
: I love the way the branches grow now
But that's a comment, and one I like :^)
: Is there a way to change the amount of influence the sun has on growing
: direction?
So far, only up, but the influence is definable. 0 would be like growing in
a
vacuum, 1 would cause all branches to grow perfectly vertical.
: Can you add more than 1 sun position?
Are you saying multiple suns? Not sure what a plant would look like
under those conditions.
: Any plans for flower infloresences & fruit?
That's in my mind, but not sure when it will come out. I was thinking
about berries first.
: Animatable?
I think so. When I think about how I coded it, you could probably
animate it. Have to think about it more and maybe do some trials.
: Bye
: Pabs
Thanks for the comments and discourse, I look forward to
releasing a beta for review.
Have a great day!
=Bob=
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"=Bob=" <Bob### [at] threestrandscom> wrote in message
news:3a2c523b@news.povray.org...
: So far, only up, but the influence is definable. 0 would be like growing
in
: a vacuum, 1 would cause all branches to grow perfectly vertical.
I meant to say in zero g. <g>
=Bob=
Post a reply to this message
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