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Subject: Ivy Generator

gagnonrich opened this issue on Mar 26, 2007 · 25 posts
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gagnonrich ( ) posted Mon, 26 March 2007 at 2:06 PM · edited Wed, 27 November 2024 at 7:37 AM

Attached Link: http://graphics.uni-konstanz.de/~luft/ivy_generator/

Sidewayshank  posted this link in the Faerywylde gift forum and it looks very interesting. The program generates ivy growth over a 3D object that then exports into an Obj format.

My visual indexes of Poser content are at http://www.sharecg.com/pf/rgagnon

ockham ( ) posted Mon, 26 March 2007 at 4:32 PM

Extremely interestng!  I notice that Kuroyume had a part in the project.....

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kuroyume0161 ( ) posted Mon, 26 March 2007 at 4:41 PM

My only part was in porting it to Mac - please thank Thomas for all of the hard work in providing this neato app! :)

I was just thinking that this would be great for Poser when doing things like old ruins or old trees.

C makes it easy to shoot yourself in the foot. C++ makes it harder, but when you do, you blow your whole leg off.

 -- Bjarne Stroustrup

Contact Me | Kuroyume's DevelopmentZone

Miss Nancy ( ) posted Mon, 26 March 2007 at 5:29 PM

thx fr working on the 1.2 version. it works pretty good in 10.4.x IMVHO.


ClawShrimp ( ) posted Mon, 26 March 2007 at 6:58 PM

Great application. I can't believe it's free!

I'm still just experimenting for now, but will definitley use this for a final render soon (I can picture it already).

Thank you!

If we can hit that bullseye, the rest of the dominos will fall like a house of cards...checkmate!

flyerx ( ) posted Mon, 26 March 2007 at 9:23 PM

file_373079.jpg

Works well. It needs transparencies for the leafs so it can be used in Poser and other programs. You can use the ones I attached if you want. They are based on the original maps.

I noticed that to avoid massive sizes keep the growth away from flat horizontal surfaces. The ivies will grow very fast and very dense.

good luck,

flyerx ( ) posted Mon, 26 March 2007 at 9:24 PM

file_373080.jpg

Here is the transparency for the other leaf type.

later,

FlyerX

Acadia ( ) posted Mon, 26 March 2007 at 9:55 PM

Oh wow! Thank you! I have been trying to work on an image with columns and I wanted ivy growth on them but haven't been able to manage it without it looking cheesy.  This could be the answer to my problem.

Very generous! Thank you so much!

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi


Miss Nancy ( ) posted Mon, 26 March 2007 at 10:33 PM

thx fr the transmaps, flyer.


Jumpstartme2 ( ) posted Mon, 26 March 2007 at 10:38 PM

Oh how cool is that!!

Thanks!!

~Jani

Renderosity Community Admin
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Neyjour ( ) posted Tue, 27 March 2007 at 12:04 AM

This looks really cool!  But I can't even get started...when I try to import an .obj nothing happens.  The screen remains blank.  I've tried with several different .obj files and it's the same every time.  Nothing imports.

I've looked in the ReadMe and the FAQ's but can't find any help with this problem.  Does anyone know what I'm doing wrong?  :(

"You don't know what we can see
Why don't you tell your dreams to me
Fantasy will set you free." - Steppenwolf

vincebagna ( ) posted Tue, 27 March 2007 at 2:29 AM

Quote - This looks really cool!  But I can't even get started...when I try to import an .obj nothing happens.  The screen remains blank.  I've tried with several different .obj files and it's the same every time.  Nothing imports.

I've looked in the ReadMe and the FAQ's but can't find any help with this problem.  Does anyone know what I'm doing wrong?  :(

 

Your .obj is here, just under your eyes. You have to zoom out with the cam.
Don't know why, but this program tend to load object in giant size. All is blank is your obj. :)

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faveral ( ) posted Tue, 27 March 2007 at 2:32 AM

The objects you import have to be triangulated (quads or polys won't work)

flyerx ( ) posted Tue, 27 March 2007 at 2:48 AM

Attached Link: http://mysite.verizon.net/sfg0000/

file_373096.png

PoseRay can be used to triangulate the input mesh. Just export from Poser as wavefront, load into PoseRay and export again as wavefront. The resulting model will be triangulated.

good luck,

FlyerX

Neyjour ( ) posted Tue, 27 March 2007 at 3:13 AM

I've zoomed out, around, up, down...but the obj isn't there, so it must be that they're not triangulated.  I'll open up PoseRay and give it a whirl.  Thanks!  😄

"You don't know what we can see
Why don't you tell your dreams to me
Fantasy will set you free." - Steppenwolf

Neyjour ( ) posted Tue, 27 March 2007 at 3:41 AM · edited Tue, 27 March 2007 at 3:43 AM

file_373099.jpg

Haven't tried PoseRay yet...I finally got this one to import.

Anyone know why a lot of the leaves are rendering black?  And what's wrong with the ones I've circled?  It looks like some kind of transmap problem, but I've double checked and the transmaps are applied correctly.  And why is it only happening with some of them?

"You don't know what we can see
Why don't you tell your dreams to me
Fantasy will set you free." - Steppenwolf

semidieu ( ) posted Tue, 27 March 2007 at 4:29 AM

I already played a bit with it, but came alway with the same problem: when I import an obj, there are a lot of holes inside. Is this because it has not been triangulate ?

Jumpstartme2 ( ) posted Tue, 27 March 2007 at 6:24 AM

Is there another program that will triangulate the mesh?

~Jani

Renderosity Community Admin
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EnglishBob ( ) posted Tue, 27 March 2007 at 6:54 AM

Quote - Is there another program that will triangulate the mesh?

UVMapper will do it; either version. Press "t" for tadaaa... :)

DarkEdge ( ) posted Tue, 27 March 2007 at 10:34 AM

hey, well done lads! 😉
thanks!

Comitted to excellence through art.

Khai ( ) posted Tue, 27 March 2007 at 10:45 AM

watch out for reversed leaf maps.... (just flip the map 180)

Tyger_purr ( ) posted Tue, 27 March 2007 at 11:11 AM

Quote -

Anyone know why a lot of the leaves are rendering black?  And what's wrong with the ones I've circled?  It looks like some kind of transmap problem, but I've double checked and the transmaps are applied correctly.  And why is it only happening with some of them?

 

i haven't got the program out to play with yet, but based on prevous experience with other products....

some are renderd black because your normals are facing the other direction (where no light is comming from). solution: go to the materials and check the "normals_forward".

the ones you have circled look as though there is a specular setting. if there is nothing plugged into specular color then plug your trans map image into it. if there is something plugged in there use a blender to add the trans map image to it so that it is black around the leaf.

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Miss Nancy ( ) posted Tue, 27 March 2007 at 1:41 PM

can't speak for the other side, but the OS X version (ivygen 1.2) imported the model that I exported from poser, without any intermediate steps. it took a while to load, and required zooming and rotating round to get it set right, mind you.


kuroyume0161 ( ) posted Tue, 27 March 2007 at 2:06 PM

I'd try 1.3 as Thomas has added an automatic 'frame object' after import.  Much nicer than zooming and rotating trying to find the object. :)

C makes it easy to shoot yourself in the foot. C++ makes it harder, but when you do, you blow your whole leg off.

 -- Bjarne Stroustrup

Contact Me | Kuroyume's DevelopmentZone

Jumpstartme2 ( ) posted Tue, 27 March 2007 at 2:49 PM

Thanks EnglishBob! 😄

runs off to go play

~Jani

Renderosity Community Admin
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