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michaliszissiou

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Reply with quote  #1 
Did you know that latest bryce build can export trees among others? 
So here an almost free tree generator (read about it) 
http://www.daz3d.com/i/software/bryce?

Testing here, I have to learn the bryce tree editor of course. 
But tested exports mostly and they seem to work fine. (3ds and obj) 
I still need to pass through blender though (3ds format contains texture names > 8 digits, just renamed them)


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jpeg brycetreesu.jpg (214.63 KB, 1702 views)

michaliszissiou

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Reply with quote  #2 
michaliszissiou

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Reply with quote  #3 
Another test of this marvelous tree generator. Foliage only. 
Textured. Rendered in podium of course. A little Ps. 
bigstick

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Reply with quote  #4 
Michalis - where have you been? We have missed some of your wonderful contributions like this

I have tried Ngplant, Arbaro, Tree[d], Onyx, Treegenerator and some more I can't remember. 

Results haven't been quite as good as this. Well - actually Onyx produces some great stuff, but the polycount is huge, and the leaves aren't componentised. This makes for huge files and slow renders.

What I have been doing is building the foliage by hand using textured planes - fast to render and small download sizes - but slooow.

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Nick00

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Reply with quote  #5 
Cool, the foliage looks awesome!

Yeah, what about poly count and components?

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michaliszissiou

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Reply with quote  #6 
Hey jim. Thanks
Ever green... I have my birthday...
Nit so green in a matter of fact, I know you may have some difficulties with green colours but some of the leaves aren't too green you see. 

Where I am? Lost in digital sculpting among others. 
michaliszissiou

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Reply with quote  #7 
gmmm I can't edit my post... 
thanks Nick00, well a lot of poly but
what is more difficult for a render engine? lot of poly or lot of alpha maps? 
this foliage is about 30 k tris. Of course I can decimate it resulting to tow tris per leaf. For a little distant trees it could work. 
The good news are that by mistake, I imported a huge bryce tree (~300 k). As bryce groups in components it worked fine. No SU problem. 
The other interesting with bryce is that we can render these trees there, transparent alpha background, antialiasing on or off. Nice cutout 2d trees for background. Random trees. 
bigstick

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Reply with quote  #8 
Sometimes that happens on the forum at random - most irritating.
Bryce doesn't work on OS X Lion though unfortunately.

More polys takes longer to render in Podium. I've been using simple curved planes to map alpha mapped branches onto. Not even a thousand polys for the foliage.

Bryce uses instancing for its trees. That's coming in Podium 3 in 2012.

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DavorP

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Reply with quote  #9 
Instancing will resolve time issues with podium, but how on earth will SU handle billions of faces? With 100 my low poly trees it's almost impossible to turn the shadows on and hit the render button. What other releases are due in the meantime? V2.7, 8? And what is new in those?
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bigstick

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Reply with quote  #10 
Instancing is the answer, see attached.

Obviously we would need proxy objects, but proof of concept is here

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jpeg rc21.jpg (571.08 KB, 173 views)
jpeg TeapotHell.jpg (925.90 KB, 104 views)


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bigstick

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Reply with quote  #11 
This is the Lightwave version, but it is the same engine, and an older build

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Nick00

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Reply with quote  #12 
SU don't have to handle billion faces, he won't even know they exist; that's the point!
"something" will replace the real thing until podium renders it.

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DavorP

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Reply with quote  #13 
That's what I've been doing manually when populating model with trees. Actually, that's what I'll be doing today.
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michaliszissiou

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Reply with quote  #14 
OK instancing.
Blender supports it some years now, its particles system. The old BI render engine. Just check instancing under render properties. 

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jpeg 46forest.jpg (241.23 KB, 1676 views)

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