[Sidefx-houdini-list] Rendering DeepExr for Nuke Comp

Alex Doss alexdoss at gmail.com
Fri Aug 3 02:59:30 EDT 2018


I second Mathieu's words there. The main point around deep tech is encoding
data per pixel. Merging that table to the minimum data you need is
essential to pull it out alive =). Otherwise things get pretty heavy pretty
quick.

On 2 August 2018 at 21:32, Olly Nash <ollimation at gmail.com> wrote:

> Thanks loads for checking it out for me, Mathieu, I really appreciate it.
> And thanks for the tips for once I have got it working.  Its a bit of a
> pain to upload stuff tbh.  I've sent some files to sidefx support so
> hopefully they might be able to gleen why it's not working without
> producing an error the Houdini side of things.
>
> houdiniFX 16.5.268
> Linux 2.6.32-573.3.1.e16.x86_64
>
> I'll update this thread when I know what the problem / resolution is!
> Thanks a million,
>  Olly : )
>
>
>
> On Thu, Aug 2, 2018 at 4:57 PM Mathieu Leclaire <mleclair at hybride.com>
> wrote:
>
> > Yeah... just use Deep Resolver to Deep Camera Map and change the DCM
> > Filename to a .exr and you should technically get a valid deep exr
> > render. Not sure why it's not working.
> >
> > What you might want to do once you got your set-up working in order to
> > get better compression for your deep exr is to expose the "DCM Z-Bias"
> > and "DCM Compression" parameters so you can tweak the sample merging
> > options. That can really help lighten up your file size. You have to go
> > to "Edit Parameter Interface..." and go into the "Render Properties -
> > Mantra - Deep Output" and add them to the Existing Parameters to expose
> > them in the interface. Adjusting these can really lighten up your deep
> > exr file size and really accelerate the deep processing speed in Nuke. I
> > highly recommend it to have a good workflow.
> >
> > -Mathieu
> >
> > On 02/08/2018 11:18 AM, Martin Winkler wrote:
> > > On Thu, Aug 2, 2018 at 5:10 PM, Mathieu Leclaire <mleclair at hybride.com
> >
> > wrote:
> > >> Are you rendering your Exr in scanline mode? I haven't used Nuke in a
> > while,
> > > It should work "just like that". No special stuff needed to render
> > > exrs with deep data, there must be something else wrong.
> > >
> > > On Wed, Aug 1, 2018 at 6:05 PM Olly Nash <ollimation at gmail.com> wrote:
> > >> Can anyone point me in the right direction to successfully render a
> > >> DeepExr sequence for a comp'er to read into Nuke, please?  It's a
> .bgeo
> > >> filecache of a pyro simulation.
> > > Can you share the hip file (with some dummy data instead of the real
> > > bgeos if it's a production scene)? Also some info on which version you
> > > use etc.
> > >
> > >
> >
> >
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-- 
Alex Doss
Mobile: +31 (0) 6 5437-2515
web: www.alexdoss.com


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