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Subject: need help about Voronoi construction


Zemela ( ) posted Tue, 05 February 2008 at 7:34 AM · edited Thu, 26 December 2024 at 12:55 AM

Hi all,
I have to create a Voronoi  model, tryed some consructions, but hell it's extreme time consuming and kinda seems not the right way. Somebody here has expirience or ideas  how to do it?


TheBryster ( ) posted Tue, 05 February 2008 at 7:41 AM
Forum Moderator

It might help those not familier with your subject to explain what it is? I've never heard of a 'Voronoi'...........;-)

Available on Amazon for the Kindle E-Reader

All the Woes of a World by Jonathan Icknield aka The Bryster


And in my final hours - I would cling rather to the tattooed hand of kindness - than the unblemished hand of hate...


Zemela ( ) posted Tue, 05 February 2008 at 7:51 AM

file_399294.jpg

Voronoi diagram or Dirichlet tesselation are a kind of decomposition of the metric space. Here is what I'm talking about, simple:)


dvlenk6 ( ) posted Tue, 05 February 2008 at 8:28 AM

You could try using one of Bryce's Voronoi noise functions as a height map for a terrain.
Terrain Editor -> Shift-Click on 'Pictures'
Shift-Click let's you access the DTE from the terrain editor.

This would only work for a diagram style model.

Friends don't let friends use booleans.


bikermouse ( ) posted Tue, 05 February 2008 at 8:29 AM

Analitical geometry - simple ? ? O.K. - - - either you have a Masters in math or . . .[

http://www.voronoi.com/applications.htm](http://www.voronoi.com/applications.htm)

might get some up to speed.

It's too early in the morning for me. I'm still trying to wrap my mind around getting  the percent of error in chaining a bunch of flat terrains into a circle figuring the total length  as oppsed to the length of a true circle of the same circumferance.   

simple ? ?


Zemela ( ) posted Tue, 05 February 2008 at 8:39 AM

i meant a simple pattern example,not that it's simple at all...I've honestly forgotten the AG from the University time..shame on me..
...been there already ,most of the links doesn't work,the other are useless.
I need a dimensional structure,not a plane,that's the problem.


bobbystahr ( ) posted Tue, 05 February 2008 at 9:18 AM

"Bryce's Voronoi noise functions ..."*

*O K...now I'm intrigued...how would one access this in the DTE my friend...does it have a name or something..I still find the DTE a wee bit confusing.. ,,,

 

Once in a while I look around,
I see a sound
and try to write it down
Sometimes they come out very soft
Tinkling light sound
The Sun comes up again



 

 

 

 

 


dvlenk6 ( ) posted Tue, 05 February 2008 at 10:23 AM · edited Tue, 05 February 2008 at 10:28 AM

file_399298.jpg

DTE = Deep Texture Editor. Here. If you are in the terrain editor and hold down the shift botton while clicking on pictures button, you can use any of the noises from the DTE as a component for the height map. It can be blended with any other kind of noise or image with the blending feature. Or painted over with brushes. Bryce has exceptional landscaping and very powerful noise generation functions. 👍

Friends don't let friends use booleans.


bobbystahr ( ) posted Tue, 05 February 2008 at 11:12 AM

Too cool...another trick I didn't know/couldn't remember if i ever did...thanx a bunch pal.. off to play around...answers Zemela's query quite well as well.. ...

 

Once in a while I look around,
I see a sound
and try to write it down
Sometimes they come out very soft
Tinkling light sound
The Sun comes up again



 

 

 

 

 


kiwi_gg ( ) posted Tue, 05 February 2008 at 11:57 AM

These are the things that make Bryce such a great program. I have,nt been in the DTE for ages except to modify the odd texture or 2. I don't think  new-comers to Bryce realise what a powerful tool they have, and free or very cheap as well.

Cheers
GG

WHO said Kiwi's can't Fly ?????


FranOnTheEdge ( ) posted Tue, 05 February 2008 at 2:39 PM

Attached Link: Robin Wood's Tutorials

I love the DTE - if you don't know what you're doing in there - it's still possible to have fun just playing with the "randomise" buttons, but if you want to know more you might try Robin Wood's Tutorials on Bryce.

Click on "Intermediate Bryce Course" in the menu on the left, and scroll down to "Lesson 3: Demystifying the DTE"

I loved that one.

Measure your mind's height
by the shade it casts.

Robert Browning (Paracelsus)

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com


ThunderStone ( ) posted Tue, 05 February 2008 at 3:54 PM

Quote - Analitical geometry - simple ? ? O.K. - - - either you have a Masters in math or . . .[

http://www.voronoi.com/applications.htm](http://www.voronoi.com/applications.htm)

might get some up to speed.

It's too early in the morning for me. I'm still trying to wrap my mind around getting  the percent of error in chaining a bunch of flat terrains into a circle figuring the total length  as oppsed to the length of a true circle of the same circumferance.   

simple ? ?

Huh??? It's late in the day and too late for me to be confused... What the heck are you babbling about, my dear???  Did they slip a liquid lobotomy in your coffee this morning?  😉

Just color me...

:b_confused:


===========================================================

OS: Windows 11 64-bit
Poser: Poser 11.3 ...... Units: inches or meters depends on mood
Bryce: Bryce Pro 7.1.074
Image Editing: Corel Paintshop Pro
Renderer: Superfly, Firefly

9/11/2001: Never forget...

Smiles are contagious... Pass it on!

Today is the tomorrow you worried about yesterday

 


bobbystahr ( ) posted Tue, 05 February 2008 at 6:08 PM

Good one...lots I remembered as I read it...lotsa new stuff as well...an over all great site...I just spent too much time there....LOL...thanx again.. ...

 

Once in a while I look around,
I see a sound
and try to write it down
Sometimes they come out very soft
Tinkling light sound
The Sun comes up again



 

 

 

 

 


Rayraz ( ) posted Tue, 05 February 2008 at 6:18 PM

Mojoworld comes with a really nice voronoi function...

(_/)
(='.'=)
(")
(")This is Bunny. Copy and paste bunny into your signature to help him gain world domination.


Zemela ( ) posted Wed, 06 February 2008 at 3:38 AM

file_399337.jpg

this is a very rough example what I need...


TheBryster ( ) posted Wed, 06 February 2008 at 6:44 AM
Forum Moderator

Can't help but get the feeling that someone just removed my bain.

Available on Amazon for the Kindle E-Reader

All the Woes of a World by Jonathan Icknield aka The Bryster


And in my final hours - I would cling rather to the tattooed hand of kindness - than the unblemished hand of hate...


bobbystahr ( ) posted Wed, 06 February 2008 at 9:26 AM

file_399347.jpg

**Well at least the R in brain in any case...bain=bath in French...so someone drained yer water....LOL...by the way...PL says hi...sends this reminder of the old days Bryster.. ...**

 

Once in a while I look around,
I see a sound
and try to write it down
Sometimes they come out very soft
Tinkling light sound
The Sun comes up again



 

 

 

 

 


TheBryster ( ) posted Wed, 06 February 2008 at 1:21 PM
Forum Moderator

OMG!!!! I've almost finished writing that novel too.
How is the old git? Tell him to write, will you, Bobby. I haven't heard from Paul for years.

Bain = Brain without the coffee.

Available on Amazon for the Kindle E-Reader

All the Woes of a World by Jonathan Icknield aka The Bryster


And in my final hours - I would cling rather to the tattooed hand of kindness - than the unblemished hand of hate...


bobbystahr ( ) posted Wed, 06 February 2008 at 2:40 PM

LOL...thought that'd perk yer coffee...we're pals on msn which is where we chat...if you don't mind next time I'm there I'll send you an invite and get y on my buddy list. He's in Finland so the times I run into him you should be awake as well I figger.. ...

 

Once in a while I look around,
I see a sound
and try to write it down
Sometimes they come out very soft
Tinkling light sound
The Sun comes up again



 

 

 

 

 


Rayraz ( ) posted Wed, 06 February 2008 at 3:33 PM

hmm.. i dunno how to do that automatically...

(_/)
(='.'=)
(")
(")This is Bunny. Copy and paste bunny into your signature to help him gain world domination.


Boofy ( ) posted Wed, 06 February 2008 at 10:53 PM

what ya scribbling there Bryster? Nothing heretic I hope!!!


Zemela ( ) posted Thu, 07 February 2008 at 3:41 AM

well,thank you for your time,special thanks to dvlenk6 for the hint,..   I suppose I'd ask the 3DSMAx guys...


TheBryster ( ) posted Thu, 07 February 2008 at 6:45 AM · edited Thu, 07 February 2008 at 6:47 AM
Forum Moderator

Boofy: A series of 3 sci-fi novels. The one above is #2.

Bobby: I knew he was in Finland. He used to live just down the road from me. Paul got me into 3d stuff.

Available on Amazon for the Kindle E-Reader

All the Woes of a World by Jonathan Icknield aka The Bryster


And in my final hours - I would cling rather to the tattooed hand of kindness - than the unblemished hand of hate...


dvlenk6 ( ) posted Thu, 07 February 2008 at 3:50 PM · edited Thu, 07 February 2008 at 3:55 PM

Quote - well,thank you for your time,special thanks to dvlenk6 for the hint,..   I suppose I'd ask the 3DSMAx guys...

You didn't say you had 3ds max at your disposal. 😄
Try this:
Displace (modifier) a plane of sufficient number of length and width segments. Use a 'Cellular' map in the Map slot of the displacement. If you need to, you can copy the map (or drag it) into a 'dumby material' (one that isn't being used for any objects) map slot, so that you can adjust the cellular noise parameters.
After you displace the plane, leave the modifier stack uncollapsed; and add a lattice modifier to the top of the stack: 'struts only'; 'ignore hidden edges' and 'end caps' checked. Adjust strut radius as needed.
Is that anything like what you need?

EDIT- if it still seems too regular, put a noise modifier before the displacement, or use another seperate displacement modifier. That will jiggle the vertices around so the the lines aren't perfect squares when viewed from straight above or below.

Friends don't let friends use booleans.


TheBryster ( ) posted Thu, 07 February 2008 at 3:57 PM
Forum Moderator

Bobby: Isn't there a TOS regarding gobbledegook like wot dvlenk6 just spouted?

Available on Amazon for the Kindle E-Reader

All the Woes of a World by Jonathan Icknield aka The Bryster


And in my final hours - I would cling rather to the tattooed hand of kindness - than the unblemished hand of hate...


dvlenk6 ( ) posted Thu, 07 February 2008 at 4:04 PM

It's a TOS violation to try to help somebody? :sad:

Friends don't let friends use booleans.


pakled ( ) posted Thu, 07 February 2008 at 4:12 PM

I know there's a mat out there called Voroni Rust, have used it on occasion.

I wish I'd said that.. The Staircase Wit

anahl nathrak uth vas betude doth yel dyenvey..;)


TheBryster ( ) posted Thu, 07 February 2008 at 5:14 PM
Forum Moderator

*It's a TOS violation to try to help somebody?

*Of course not!

You  have read 'Heresy and My Struggle Against It'  by  Cardinal Fang & Cardinal Point, available at all good books stores price £9.99, haven't you?

Available on Amazon for the Kindle E-Reader

All the Woes of a World by Jonathan Icknield aka The Bryster


And in my final hours - I would cling rather to the tattooed hand of kindness - than the unblemished hand of hate...


Lown ( ) posted Thu, 07 February 2008 at 5:48 PM

dvlenk6, are you sure its "hold down shift and click on the pictures tab" whilst in terrain editor?
I cant seem to get it to work. Its works with bryce 6 right??


dan whiteside ( ) posted Thu, 07 February 2008 at 7:27 PM

I think that should be shift click on the Picture button in the Elevation tab.


Lown ( ) posted Fri, 08 February 2008 at 12:18 AM

Ok, will try that. Thanks!


dan whiteside ( ) posted Fri, 15 February 2008 at 8:15 AM

file_399980.jpg

This  is late and probably irrelevant at this point but I got to messing around with Rayraz's suggestion about using Mojoworld last night and came up with this image. The curve I used to remap the Voronoi so the edges are solid needs a lot of work and this is using  the Volumetric Surfaces plug not the standard planet extrusion. To bad this is not exportable...


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