[Sidefx-houdini-list] Setting LUT using python for mplay

Peter Bowmar pbowmar at gmail.com
Fri Apr 1 11:38:39 EDT 2016


Hi Sandy,

Yeah you have to first use imgviewls to get the name of the view, then:

 imgview2d -g 5 imgview1

will set the gamme to 5 or -d will change the LUT.

Cheers,

Peter B

On 1 April 2016 at 02:47, Sandy Sutherland <sandy.maillists at gmail.com>
wrote:

> Hi Peter,
>
> If you can please share the hscript command you use, I would be most
> grateful.  I did dig around yesterday with imgview2d using -d, but it did
> not seem to work, and is shown in the docs as possibly needing a view name
> or index designated, so not sure if that is my problem - imgview2d
> [options] view_name [viewport_index].
>
> Thanks again -
>
> Sandy
>
> On Thu, Mar 31, 2016 at 6:15 PM, Peter Bowmar <pbowmar at gmail.com> wrote:
>
> > You can do it via the menu (I have it working) it's just clumsy, you have
> > to call Hscript via HOM. The fact you can't save an image via a script in
> > Mplay is just embarrassing though, so you can't save an Mplay render out
> to
> > another viewer for example.
> >
> > It's worse in Houdini, there is currently no way to identify an IPR
> viewer
> > on a desktop, so if you want to change the LUT in Houdini you have to
> > change _every_ LUT on _every_ IPR viewer and COP viewer on the current
> > desktop. When you change desktops things get out of sync quickly and
> things
> > get really ugly fast.
> >
> > Hopefully the next version of Houdini will resolve these issues, they
> > pretty important if Houdini is to be taken seriously as a lighting
> package.
> > IMO :)
> >
> > Cheers,
> >
> > Peter B
> >
> > On 31 March 2016 at 08:14, Sandy Sutherland <sandy.maillists at gmail.com>
> > wrote:
> >
> > > Thanks Peter,
> > >
> > > I might just do some sort of Company specific menu item, which would
> then
> > > just simply set HOUDINI_IMAGE_DISPLAY_LUT, before you run Mplay, seems
> to
> > > work in a simple way.  Will look into Hscript anyway also.
> > >
> > > Cheers
> > >
> > > Sandy
> > >
> > > On Thu, Mar 31, 2016 at 3:21 PM, Peter Bowmar <pbowmar at gmail.com>
> wrote:
> > >
> > > > Hi Sandy,
> > > >
> > > > HOM can't do it unfortunately, however you can crudely hack something
> > > > together using Hscript commands. I forget the exact command (no
> Houdini
> > > > open) but it is something like view2d.
> > > >
> > > > Scripting Mplay and the IPR VIewer in Houdini is wildly out of date,
> > and
> > > > there is a large group of Pipe TDs who weep daily trying to script
> > these
> > > > things, including me ;)
> > > >
> > > > Cheers,
> > > >
> > > > Peter B
> > > >
> > > > On 31 March 2016 at 05:09, Sandy Sutherland <
> sandy.maillists at gmail.com
> > >
> > > > wrote:
> > > >
> > > > > Hi All,
> > > > >
> > > > > A couple of quick questions.
> > > > >
> > > > > I know I can use HOUDINI_IMAGE_DISPLAY_LUT to set a LUT to use, but
> > > would
> > > > > ideally prefer to modify the MainMenuMPlay.xml file to hijack the
> > > select
> > > > > LUT function.  I could create a Qt combobox with a selection of
> > Studio
> > > or
> > > > > Project based LUTS and allow the Artist to select which ones he
> > wants,
> > > > but
> > > > > cannot find if there is a hom command to set the LUT.  Anyone done
> > this
> > > > > before?  Anyone know how to set this?
> > > > >
> > > > > My basic idea is to stop Artists having to navigate to a folder to
> > load
> > > > LUT
> > > > > files.
> > > > >
> > > > > Many thanks
> > > > >
> > > > > Sandy
> > > > > _______________________________________________
> > > > > Sidefx-houdini-list mailing list
> > > > > Sidefx-houdini-list at sidefx.com
> > > > > https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
> > > > >
> > > >
> > > >
> > > >
> > > > --
> > > > Cheers,
> > > >
> > > > Peter B
> > > > _______________________________________________
> > > > Sidefx-houdini-list mailing list
> > > > Sidefx-houdini-list at sidefx.com
> > > > https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
> > > >
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> > >
> >
> >
> >
> > --
> > Cheers,
> >
> > Peter B
> > _______________________________________________
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> > https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
> >
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-- 
Cheers,

Peter B



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