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Hi there,
I was wondering if I put a height field as my ground, can I randomize
the placement of objects such as plants with relative elevation to the
HF?
I'm using povray 3.1 for linux...
Thanks,
Simon
--
"Neuromancer," the boy said. "The lane to the land of the
dead. Where you are, my friend. I call up the dead. But no,
my friend, I am the dead, and their land." (William Gibson)
-- Simon Lemieux (Rei### [at] Sympatico ca)
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"Simon Lemieux" <Rei### [at] sympaticoca> wrote in message
news:3CEB81F4.41BDB709@sympatico.ca...
>
> I'm using povray 3.1 for linux...
>
AFAIK, not with 3.1. You need trace which requires either megapov or 3.5.
On the other hand, if you use leveller, you have the option to export a series
of points on the surface iirc.
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> AFAIK, not with 3.1. You need trace which requires either megapov or 3.5.
>
> On the other hand, if you use leveller, you have the option to export a series
> of points on the surface iirc.
Doesn't anyone feel it's time to port the latest povrays to linux? ;)
I'll work my way around manually... Thanks anyway!
Simon
--
"Neuromancer," the boy said. "The lane to the land of the
dead. Where you are, my friend. I call up the dead. But no,
my friend, I am the dead, and their land." (William Gibson)
-- Simon Lemieux (Rei### [at] Sympaticoca)
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"Simon Lemieux" <Rei### [at] sympaticoca> wrote in message
news:3CEC5014.29F4E08E@sympatico.ca...
>
> Doesn't anyone feel it's time to port the latest povrays to linux? ;)
>
Why not give megapov a try?
> I'll work my way around manually... Thanks anyway!
>
I might be able to help via leveller - if you send me your scene file and the hf
image I could generate some points for you.
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Simon Lemieux <Rei### [at] sympaticoca> wrote:
> Doesn't anyone feel it's time to port the latest povrays to linux? ;)
Try http://povray.org
--
#macro N(D)#if(D>99)cylinder{M()#local D=div(D,104);M().5,2pigment{rgb M()}}
N(D)#end#end#macro M()<mod(D,13)-6mod(div(D,13)8)-3,10>#end blob{
N(11117333955)N(4254934330)N(3900569407)N(7382340)N(3358)N(970)}// - Warp -
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"Warp" <war### [at] tagpovrayorg> wrote in message news:3cecef6c@news.povray.org...
> Simon Lemieux <Rei### [at] sympaticoca> wrote:
> > Doesn't anyone feel it's time to port the latest povrays to linux? ;)
>
> Try http://povray.org
>
I assume Simon's after 3.5 (since he needs trace) - are 3.5 RC's avail. for
Linux? (I can't see 'em).
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Tom Melly <tom### [at] tomandlucouk> wrote:
> I assume Simon's after 3.5 (since he needs trace) - are 3.5 RC's avail. for
> Linux? (I can't see 'em).
Yes. Look closer.
--
#macro N(D)#if(D>99)cylinder{M()#local D=div(D,104);M().5,2pigment{rgb M()}}
N(D)#end#end#macro M()<mod(D,13)-6mod(div(D,13)8)-3,10>#end blob{
N(11117333955)N(4254934330)N(3900569407)N(7382340)N(3358)N(970)}// - Warp -
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> > I assume Simon's after 3.5 (since he needs trace) - are 3.5 RC's avail. for
> > Linux? (I can't see 'em).
>
> Yes. Look closer.
Indeed! But I had a look in the download section before where it's
not. But I could find the link to linux povray version 3.5.
Thanks Warp!
PS: does the 3.5 has the isofunctions?
--
"Neuromancer," the boy said. "The lane to the land of the
dead. Where you are, my friend. I call up the dead. But no,
my friend, I am the dead, and their land." (William Gibson)
-- Simon Lemieux (Rei### [at] Sympaticoca)
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"Simon Lemieux" <Rei### [at] sympaticoca> wrote in message
news:3CE### [at] sympaticoca...
>
> Indeed! But I had a look in the download section before where it's
> not. But I could find the link to linux povray version 3.5.
>
> Thanks Warp!
>
> PS: does the 3.5 has the isofunctions?
>
Yes - although the syntax is slightly different than for megapov. It's still
RC (release candidate), so there is an expiry date (but you probably knew
that).
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Have you tried Terraform?
It's a open source landscape/heightfield editor which runs under Linux. It
has the ability to place objects on landscapes and renders its output with
Pov-Ray 3.1
I managed to get it running under Mandrake 7.1 (after installing lots of
extra packages). Looking at the website I noticed that a new version has
appeared (version 0.9.0) which mentions "improved object placement".
See the following link for more details:
http://terraform.sourceforge.net
Reuben
doo### [at] breathemailnet
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Simon Lemieux <Rei### [at] sympaticoca> wrote:
> PS: does the 3.5 has the isofunctions?
What are isofunctions?
--
#macro M(A,N,D,L)plane{-z,-9pigment{mandel L*9translate N color_map{[0rgb x]
[1rgb 9]}scale<D,D*3D>*1e3}rotate y*A*8}#end M(-3<1.206434.28623>70,7)M(
-1<.7438.1795>1,20)M(1<.77595.13699>30,20)M(3<.75923.07145>80,99)// - Warp -
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> What are isofunctions?
Frankly, I have no idea... yet...!
But I shall discover soon!
--
"Neuromancer," the boy said. "The lane to the land of the
dead. Where you are, my friend. I call up the dead. But no,
my friend, I am the dead, and their land." (William Gibson)
-- Simon Lemieux (Rei### [at] Sympaticoca)
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Simon Lemieux <Rei### [at] sympaticoca> wrote:
>> What are isofunctions?
> Frankly, I have no idea... yet...!
> But I shall discover soon!
I know functions and isosurfaces, but I don't know what are isofunctions.
--
#macro M(A,N,D,L)plane{-z,-9pigment{mandel L*9translate N color_map{[0rgb x]
[1rgb 9]}scale<D,D*3D>*1e3}rotate y*A*8}#end M(-3<1.206434.28623>70,7)M(
-1<.7438.1795>1,20)M(1<.77595.13699>30,20)M(3<.75923.07145>80,99)// - Warp -
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"Warp" <war### [at] tagpovrayorg> wrote in message
news:3cee93af@news.povray.org...
>
> I know functions and isosurfaces, but I don't know what are
isofunctions.
>
Don't worry about it - they're for advanced users.
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Tom Melly <tom### [at] tomandlucouk> wrote:
>> I know functions and isosurfaces, but I don't know what are
> isofunctions.
> Don't worry about it - they're for advanced users.
Could you explain it to a newuser like me?-)
--
#macro M(A,N,D,L)plane{-z,-9pigment{mandel L*9translate N color_map{[0rgb x]
[1rgb 9]}scale<D,D*3D>*1e3}rotate y*A*8}#end M(-3<1.206434.28623>70,7)M(
-1<.7438.1795>1,20)M(1<.77595.13699>30,20)M(3<.75923.07145>80,99)// - Warp -
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Warp wrote:
>
> Tom Melly <tom### [at] tomandlucouk> wrote:
> >> I know functions and isosurfaces, but I don't know what are
> > isofunctions.
>
> > Don't worry about it - they're for advanced users.
>
> Could you explain it to a newuser like me?-)
I doubt that's possible...
--
Ken Tyler
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On 25 May 2002 16:31:53 -0400, Warp <war### [at] tagpovrayorg> wrote:
> > > I know functions and isosurfaces, but I don't know what are
> > isofunctions.
>
> > Don't worry about it - they're for advanced users.
>
> Could you explain it to a newuser like me?-)
They must be functions after standarization :-)
ABX
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> >> What are isofunctions?
>
> > Frankly, I have no idea... yet...!
>
> > But I shall discover soon!
>
> I know functions and isosurfaces, but I don't know what are isofunctions.
Hehe, pardon, my newbieness or shall I say my
too-long-since-my-last-ray-traceness... I did mix these two up, I was
talking about isosurfaces which seems to be the kind of abstract
mathematical objects made for me!
Thanks,
Simon
--
"Neuromancer," the boy said. "The lane to the land of the
dead. Where you are, my friend. I call up the dead. But no,
my friend, I am the dead, and their land." (William Gibson)
-- Simon Lemieux (Rei### [at] Sympaticoca)
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Simon Lemieux <Rei### [at] sympaticoca> wrote:
>> I know functions and isosurfaces, but I don't know what are isofunctions.
> Hehe, pardon, my newbieness or shall I say my
> too-long-since-my-last-ray-traceness... I did mix these two up, I was
> talking about isosurfaces which seems to be the kind of abstract
> mathematical objects made for me!
An isosurface is an equipotential surface, that is, it consists of all
the points in space where the value of the given function is a given constant
(usually, but not necessarily, 0).
A similar entity is an isobar. Isobars are 2D lines in a geographic map.
The line consists of all the points where air pressure is the same (a given
constant value).
--
#macro M(A,N,D,L)plane{-z,-9pigment{mandel L*9translate N color_map{[0rgb x]
[1rgb 9]}scale<D,D*3D>*1e3}rotate y*A*8}#end M(-3<1.206434.28623>70,7)M(
-1<.7438.1795>1,20)M(1<.77595.13699>30,20)M(3<.75923.07145>80,99)// - Warp -
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On 25 May 2002 16:31:53 -0400, Warp <war### [at] tagpovrayorg> wrote:
> Could you explain it to a newuser like me?-)
Sure. They are functions that return the same value. It's just a geek
name for declaring a float constant, really.
Here's an example:
isofunction theAnswer(x,y,z) = 42;
Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG e-mail : pet### [at] tagpovrayorg
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