A natural situation

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Oscar J
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Re: A natural situation

Post by Oscar J » Mon May 23, 2016 8:17 am

The top half of the image looks really good. :) Keep working!

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yonosoy
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Re: A natural situation

Post by yonosoy » Tue May 24, 2016 11:45 pm

Thanks Oscar. You are right.
Another attempt.
The terrain becomes from houdini inside C4D. Sadly I can not spread instances objects over the mesh linked to houdini and I need to export the mesh :roll:. The multifractal function from houdini is very versatile.
A patch of 5x5 km with 32 mill. of poligons and over 100000 trees So, hard to work...
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lake_attempt_2.jpg
"... nor 0.2 galaxys, nor 0.8 little chikens ..."

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yonosoy
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Re: A natural situation

Post by yonosoy » Mon May 30, 2016 12:52 am

The general test for a landscape.
Probably I start a new thread called "landscapes" for the next one in a weeks.
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general_test_for_a_landscape.jpg
"... nor 0.2 galaxys, nor 0.8 little chikens ..."

burnin
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Re: A natural situation

Post by burnin » Mon May 30, 2016 10:01 am

Nice. Congrats on your works.

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contegufo
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Re: A natural situation

Post by contegufo » Mon May 30, 2016 8:41 pm

Hi

Congratulations on the excellent scene!

A question; I understand it's been used Houdini for the mountains but for vegetation perhaps Surface Spread?
The choice of using Houdini + Indigo instead of the known modeling software landscape has its own reason?
You have a very powerful computer to handle the millions of polygons of the scene?
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Oscar J
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Re: A natural situation

Post by Oscar J » Mon May 30, 2016 9:22 pm

Yeah, getting better! :)

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bubs
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Re: A natural situation

Post by bubs » Wed Jun 01, 2016 1:45 am

That last one is looking pretty awesome! 8)

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yonosoy
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Re: A natural situation

Post by yonosoy » Fri Jun 03, 2016 8:55 pm

Thank you very much. Really apreciated the feedback.
Contegufo, I use houdini for the landscapes because is at the moment the one that allows me to extend the space. I try large landscapes since the beginning and the multifractal asset that I found in a course of CMIVFX is very powerfull for this purposes. For the vegetation I´m using Surface Spread, yes.

Now, please Ono, teach me how to use the internal scatter of indigo or I can´t go further. The scene reaches an amount of ram in C4d that don´t allow me to export a large number of instances. It´s not a question of time because run out of memory. I feel that with the scatter of indigo I can go over two millions of instances (enough for now).
So please, post a simple scene with some teapots in a plane or something...

10x10 km. Not enough grass ...
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paisaje_B.jpg
"... nor 0.2 galaxys, nor 0.8 little chikens ..."

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contegufo
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Re: A natural situation

Post by contegufo » Fri Jun 03, 2016 10:32 pm

It would be a very nice animation bird's but perhaps the calculation is very heavy?
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yonosoy
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Re: A natural situation

Post by yonosoy » Mon Jun 06, 2016 1:30 am

Hi contegufo, flock of birds for more over... (maybe). It´s planed and now with the connection of C4D and houdini is easier to do.

OK. I got the code of the scatter installing sketchup and doing an exportation.
The first test goes more or less good (there are a lot of different plants but I see only the big patch). More than 6 millions of instances in 25 seconds and two minutes of installation. Very good!
indigo_scatter_test.jpg
Then I try to take the last scene and things go odd. :lol:
screen_capture.jpg
Some sketchup user can help me with the scatter numbers? I try with some values and I get 0 instances or this :) .
Thank you in advanced. And sorry for the personal request Ono ...
"... nor 0.2 galaxys, nor 0.8 little chikens ..."

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OnoSendai
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Re: A natural situation

Post by OnoSendai » Mon Jun 06, 2016 1:50 am


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OnoSendai
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Re: A natural situation

Post by OnoSendai » Mon Jun 06, 2016 2:04 am

Here is an example showing mixing of two different scattered objects, with different weights so that one is more likely than the other.
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scatter_object_group_test.pigs
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Oscar J
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Re: A natural situation

Post by Oscar J » Mon Jun 06, 2016 6:23 am

You do know Ono made some significant scattering optimisations for version 4 right? :)

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yonosoy
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Re: A natural situation

Post by yonosoy » Mon Jun 06, 2016 6:48 am

So many thanks for the example Ono. Now multiple objects works and I can go to near 20 millions of instances. This is so good for landscape attempts... But a last question, I can´t find a meaning of slope in the scatter. Is it possible in any way?
Thanks for the info Oscar, I have no idea about the optimisations. I will change to v4 soon. :)

P.D.: near twice of speed in v4.
There is a "material" option for the scatter, but it don´t works if you select a material that is part of a blended one. It would be great that this work for a subcomponent material (because the meaning of slope is given by the material). Only an observation :) .
Attachments
scatter_test_2.jpg
scatter_test_2.jpg (720.49 KiB) Viewed 10552 times
"... nor 0.2 galaxys, nor 0.8 little chikens ..."

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Onizuka
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Re: A natural situation

Post by Onizuka » Wed Jun 08, 2016 2:27 am

Hi,

Sorry for the late, but I had a problem with my internet during a long time, the cable suffered corrosion and had to be replaced...

First, great renders man!

I had made a few tests to get the god rays through the clouds but I failed on each situations.
I tried with more or less fog, I tried with different altituds for the clouds, I tried with both materials the one without haze and the one with the haze, and I tried with extra atmospheric and a real life sized sphere with an SSS to simulate the atmosphere.

I guess my render is in the subject of the post since it is a country landscape, and actually a real one not very far from my home, that I tried to recreate. It's still a work in progress though. A lot of objects scattered here and I use sketchup; I've got other scattering tests from sketchup if you would like yonosoy..
Attachments
Rendu 00580899bb.jpg
The clouds without haze. A fog box and a real life sphere atmosphere with SSS for each render
Rendu 00580899bb.jpg (499.96 KiB) Viewed 10534 times
Rendu 00580899b.jpg
Maybe a little ray ? or not
Rendu 00580899b.jpg (163.44 KiB) Viewed 10534 times
Rendu 00580911b.jpg
Rendu 00580911b.jpg (504.11 KiB) Viewed 10534 times
Rendu 00580932b.jpg
Clouds with haze ~1000m
Rendu 00580932b.jpg (729.7 KiB) Viewed 10534 times
Rendu 00580946b.jpg
Clouds with haze, rized up to ~6000m
Rendu 00580946b.jpg (835.88 KiB) Viewed 10534 times

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