aaOcean open sourced...

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aaOcean SuiteAuthor: Amaan Akram
The Open Source aaOcean Suite is a collection of Softimage ICE nodes and a mental ray shaders that implements Jerry Tessendorf's paper on simulating ocean waves, which is currently the most widely used method for open water ocean surfacemodeling being used in the industry.

This particular implementation presents itself as a 3D deforming grid inside Softimage, which then becomes the source of vector displacement map sequences that are sent to Mental Ray for final rendering. One of the benefits of using this approach is that it opens up the possibility of making other 3D objects inside Softimage react with the ocean grid via ICE. Another benefit is the speed that it brings in setting up your ocean right inside Softimage on a low resolution ocean grid to set basic paramters like wave height and speed, rather than rendering a sequence of images in Mental Ray. Works nicely in conjunction with Werner Ziemerink's Wave Curl.

local backup: aaocean.zip

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El Burritoh
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Re: aaOcean open sourced...

Post by El Burritoh » 15 Jan 2014, 20:42

I'm not having any luck getting it to show up in the menu either, but I don't have any errors. Everything seems to be loading fine. I tried manually applying an aaOcean ICE node in an ICE Tree, and piping it into a Set Point Position node, but that just made the mesh disappear entirely...
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amaan
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Re: aaOcean open sourced...

Post by amaan » 15 Jan 2014, 22:18

>I have nothing coming up on my GET>PROPERTY menu..

that is legacy workflow, and you might have seen it in the documentation you linked to that is no longer linked from my main website. Please ignore any documentation that is not linked to from my main website.
It's been two years now since it was removed, but you might have found it via google.

Please see the sample scenes to see how to play with ocean shaders/deformer. They are quite simple to pick up.

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sirdavid32
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Re: aaOcean open sourced...

Post by sirdavid32 » 04 Jul 2016, 23:29

Hi everyone!
I´m trying to install the aaOceanDeformer.dll via workgroup by placing it under (workgroup)\Application\Plugins\
But softimage can´t find neither the shader nor it deforms the sample scene.

What else am I missing to install? I´m using softimage sp2 2014.
Please help.
Thanks.

Bullit
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Re: aaOcean open sourced...

Post by Bullit » 05 Jul 2016, 15:58

Did you reboot Soft? are you using the correct version?

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sirdavid32
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Re: aaOcean open sourced...

Post by sirdavid32 » 05 Aug 2016, 09:53

I finally got it working. Made the workgroup appropiately.
Now I´d like to know how to generate foam, and how to use it with arnold renderer.
Cheers.

Pitcher
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Re: aaOcean open sourced...

Post by Pitcher » 25 Aug 2016, 09:41

Hey Amaan,

Do you have any plans to port aaOcean to Redshift by any chance? Rendering out vector displacement maps takes up a lot of diskspace :)

//Morten

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mattmos
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Re: aaOcean open sourced...

Post by mattmos » 25 Aug 2016, 11:34

Pitcher wrote:Hey Amaan,

Do you have any plans to port aaOcean to Redshift by any chance? Rendering out vector displacement maps takes up a lot of diskspace :)

//Morten
That's the kind of thing that I'd be more than happy to help crowdfund, if Amaan was willing :)

Pitcher
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Re: aaOcean open sourced...

Post by Pitcher » 25 Aug 2016, 21:23

Me too!

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Maximus
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Re: aaOcean open sourced...

Post by Maximus » 17 May 2020, 12:21

im in need of using this plugin for a project and having an hard time rendering out the images as vector displacement maps.

there is a node aaOceanDataShader which has a file output "write shader data" option, but nothing gets saved to disk.
Last time i used aaOcean was the first iteration which had a very different workflow, anyone would be able to help?

Surface_VR
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Re: aaOcean open sourced...

Post by Surface_VR » 19 May 2020, 11:07

In my case, I had to do a region-rendering to get the output.
A file was created each time the frame was advanced while region-rendering

Also, it's better to add textures to Shadows and Photons so that the render doesn't look weird.
Image
Image

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Maximus
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Re: aaOcean open sourced...

Post by Maximus » 19 May 2020, 14:43

can you please share that scene? for some reasons i can not have any data written to disk.

Surface_VR
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Re: aaOcean open sourced...

Post by Surface_VR » 19 May 2020, 15:31

I don't know if it's helpful or not.
Attachments
aaOcean_test.zip
(224.16 KiB) Downloaded 130 times

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Maximus
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Re: aaOcean open sourced...

Post by Maximus » 19 May 2020, 21:10

yeah thanks a lot, but it doesnt work, idk whats going on. It doesnt write the output on disk.

Surface_VR
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Re: aaOcean open sourced...

Post by Surface_VR » 20 May 2020, 13:14

1) Open the downloaded file.
2) Specify the folder to save aaOceanDataShader's exr.
3) Region-rendering in the mental ray

If this doesn't work, I don't know what's causing it.
It may be that the installation is incorrect and the shader is giving an error.

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mattmos
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Re: aaOcean open sourced...

Post by mattmos » 20 May 2020, 13:43

Maybe double check write permissions in the output folder?

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Maximus
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Re: aaOcean open sourced...

Post by Maximus » 20 May 2020, 15:25

when i drag a render region this warning pops up

"' WARNING : PHEN 0.5 25 MB warn : [aaOcean Shader] Shader's Transform input is zero. Using Identity instead
' WARNING : PHEN 0.5 26 MB warn : [aaOcean Shader] Foam Min/Max mismatch. Please set the Foam Min/Max values in foam shader to Min: 0.429399, Max: 1.733000
"
but idk if that is the issue, the permission in the output folder is fine since its writing the normal render files i think there is some issue with the installation of the plugin.. idk.

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