Yeah, I would be cautious with default DPX metadata... we actually modify the 
metadata to fit our needs when we publish images in the network.
Image Magik and RVIO would work fine for setting DPX tag values.



________________________________
From: Sam Cole <[email protected]>
To: Nuke user discussion <[email protected]>
Sent: Saturday, October 8, 2011 2:28 AM
Subject: Re: [Nuke-users] LUT global location, variable(s)???


I don't recall the software that wrote them in the past but I have a mistrust 
of the metadata from DPX. We also do things like log/logc/panalog jpegs for 
quick reviews where the file type or metadata might be misleading. We have the 
colorspace in the filepath and set the transfer function in source_setup.mu 
from a regex on that.

./sam







On 08/10/2011, at 11:27 AM, Torax Unga wrote:

Be careful when modifying the source_setup.mu file to interpret DPX files, 
since they can come in a variety of colorspaces (Log, LogC, SLog, Rec709, etc)
>there is a couple of examples in that file that shows you how to read DPX 
>metadata... this is the way we interpret DPX in Rv. I would reccomend using 
>the "Transfer" tag to set the right interpretation.
>
>
>
>
>________________________________
>From: "[email protected]" <[email protected]>
>To: Nuke user discussion <[email protected]>
>Sent: Friday, October 7, 2011 10:09 AM
>Subject: Re: [Nuke-users] LUT global location, variable(s)???
>
>
>Yes, that is the module that you need to override. By setting RV_SUPPORT_PATH 
>to a location of your choosing, and copying the same structure that the 
>rvPackages file structure has, with an overriden source_setup.mu, you can 
>change all behaviours. I think that even setting that file as empty will get 
>rid of all colorspace assumptions.
>
>
>
>On Fri, Oct 7, 2011 at 9:35 AM, Jonathan Egstad <[email protected]> wrote:
>
>Yeah, we use RV to and I've already implemented the LUTs pulldown.  Although I 
>can't figure out how to force "No Conversion" when RV opens.  The Alexa's auto 
>default to DPX/Cineon.
>>>
>>
>>
>>You have to override the default colorspace handling code which is triggered 
>>on a new-source event - I believe it's in the source_setup.mu' file.
>>
>>-jonathan
>>
>>
>>Thoughts?!
>>>
>>>Yeah, I'm feeling the same as you on FC too Nathan, although having that as 
>>>a secondary is nice and it pisses me off to no end to not be able to figure 
>>>this out or find a workaround.
>>>
>>>Thanks everyone!!!!!
>>>
>>>
>>>
>>>
>>>On Thu, Oct 6, 2011 at 7:09 PM, Nathan Rusch <[email protected]> 
>>>wrote:
>>>
>>>Well, to be fair, FrameCycler is probably the black sheep in this 
conversation... from what I can tell they just sort of do their own thing and 
expect everyone to deal with it. Never once have I heard of them beta testing a 
product or feature or asking for user feedback or input. Thus, my stance on 
Framecycler has always been to steer away from it when things start to get 
serious as far as maintaining any kind of a consistent, unified pipeline.
>>>> 
>>>>Offhand, RV can actually do centralized configuration stuff even with local 
installations (we use it that way). You can set up a default preferences file 
in 
a central location and point all users to it to start off with, and whichever 
config file is newer (between the central and the user’s) will take precedence 
in cases where a preference is defined in both. And obviously being able to 
roll 
your own extensions is a huge benefit for review tools, LUT repositories, 
etc.
>>>> 
>>>>-Nathan
>>>>
>>>> 
>>>>From: Dan Walker 
>>>>Sent: Thursday, October 06, 2011 10:52 AM
>>>>To: Nuke user discussion 
>>>>Subject: Re: [Nuke-users] LUT global location, 
variable(s)???
>>>>  Not 
too sure what else you were looking for really. 
>>>>
>>>>
>>>>Being able to 
control configuration settings on a piece of software (eg. FrameCycler) without 
having to copy something to the software's native location (per machine).  
>>>>
>>>>Nuke and RV can do it.  RV is installed on our server and there are 
env's you can set for custom lut locations.  You can also modify the 
User_settings.xml file that FC generates to hard code a path, but again, that 
file is local to the machine FC is being ran on.
>>>>
>>>>    
<LUTPath1>"\\xxx\xxx_xxx\release\nuke\config\project\XXX\versions\v001\nuke_LUT\"</LUTPath1>
>>>>
>>>>After 
doing quiet a lot of research, I'm still stumped with FrameCycler.  Yes 
there are variables to control where framecycler puts it's temp files (which is 
where the FrameCycler User_settings.xml also resides) but it's ridiculous to 
assume, when defining a LUT setting for everyone, that you'll need to do it on 
a 
per machine basis.
>>>>
>>>>Yeah, it's great that there are software deployment 
systems that can control the push of a config and all the other features that 
comes with it, but come on! This isnt' the 90's for cry'in out loud.  One 
would think software has been developed to "assume" that a facility would maybe 
want to have the feature of setting a "global" config and not assume all 
facilities are interconnected when it comes to Pipeline and IT 
departments.  What about facilities that are global (meaning all around the 
world) that reference a "cloud" server?  Should I have to push a config to 
all the users in London, Hong Kong, etc....
>>>>
>>>>My .02
>>>>
>>>>
>>>>
>>>>
>>>>On Tue, Oct 4, 2011 at 3:28 PM, Dave Goodbourn <[email protected]> 
>>>>wrote:
>>>>
>>>>Now that all depends on your definition of quick! Once you have a  software 
>>>>distribution system setup, making any change to 100+ workstations and  
>>>>render nodes can only take a matter of minutes! 
>>>>> 
>>>>>You can always do it with scripting to copy config files and setup  
>>>>>variables on each machine. Not too sure what else you were looking for 
>>>>>really. 
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>On 4 Oct 2011, at 23:07, Dan Walker <[email protected]>  wrote:
>>>>>
>>>>>
>>>>>Wow, no quick solutions? That just sucks now don't it! :-)
>>>>>>On Oct 4, 2011 10:27 AM, "Dave Goodbourn" <[email protected]> 
>>>>>>wrote:
>>>>>>> Have you looked at software deployment software like 
    WPKG <http://wpkg.org/>  at
>>>>>>> all? You can very easily deploy all the settings and 
    environmental variables
>>>>>>> to all your machines from the comfort of 
    your own seat! Works well for us.
>>>>>>> It's only Windows based but 
    there's plenty of *nix solutions like
>>>>>>> Puppet<http://puppetlabs.com/>
>>>>>>> .
>>>>>>> 
>>>>>>> 
    D.
>>>>>>> 
>>>>>>> On Tue, Oct 4, 2011 at 6:12 PM, Dan Walker <[email protected]> wrote:
>>>>>>> 
>>>>>>>> Hi 
    Torax,
>>>>>>>>
>>>>>>>> unfortunately software cannot be installed on 
    a server. even if it was you
>>>>>>>> would still have to setup each 
    individual artist with the manually defined
>>>>>>>> environment 
    variables or paths to the luts location. I'm specifically
>>>>>>>> 
    talking about frame cycler when manually defining paths. all nuke 
    software
>>>>>>>> is installed locally on each machine and I'm looking 
    for a way to point
>>>>>>>> frame cycler and rv at luts installed 
    globally. I'm wanting all of this done
>>>>>>>> without having to go to 
    each artist machine and perform a manual setup. Nuke
>>>>>>>> already has 
    a viewer lut setup, utilizing the alexa 3D lut through a vector
>>>>>>>> 
    field node.
>>>>>>>> On Oct 4, 2011 1:00 AM, "Torax Unga" <[email protected]>  wrote:
>>>>>>>> > There are many different approaches:
>>>>>>>> 
    > Here is one:
>>>>>>>> > - you will probably want to have you 
    software installed in a central
>>>>>>>> location in the networks, so you 
    only modify the settings once
>>>>>>>> >
>>>>>>>> > - put the 
    luts in a location all software can see. (ie: ../luts/nuke/
>>>>>>>> 
    ../framecycler ../rv)
>>>>>>>> > - generate the flavors of the lut for 
    the software (I recomend .csp for
>>>>>>>> Nuke and RV and .cube for 
    Framecycler)
>>>>>>>> > - you can assign environment variables to 
    those ( ie $NUKE_ALEXA_LUT)
>>>>>>>> >
>>>>>>>> > - for Nuke 
    create a viewer lut that point to the luts using the
>>>>>>>> Vectorfiled 
    node.
>>>>>>>> > - for RV you can download and install the "Custom 
    Luts Menu" package
>>>>>>>> available on their web site and modify the 
    scripts to point to the lut
>>>>>>>> location', and to assign a hot key 
    to it. you can also modify the "
>>>>>>>> sources.mu" file so the lut get applied automatically  based on some
>>>>>>>> conditionals.
>>>>>>>> > - in framecycler 
    you can modify the lut search folder in the settings to
>>>>>>>> point to 
    your lut folder.
>>>>>>>> >
>>>>>>>> > there definitely more 
    advance setups, but this one should work.
>>>>>>>> >
>>>>>>>> 
    >
>>>>>>>> >
>>>>>>>> > 
    ________________________________
>>>>>>>> > From: Dan Walker <[email protected]>
>>>>>>>> > To: Nuke user 
    discussion <[email protected]>
>>>>>>>> > 
    Sent: Monday, October 3, 2011 6:56 PM
>>>>>>>> > Subject: [Nuke-users] 
    LUT global location, variable(s)???
>>>>>>>> >
>>>>>>>> 
    >
>>>>>>>> > Hey,
>>>>>>>> >
>>>>>>>> > Anyone have a 
    quick setup for accessing LUT's in a global location that
>>>>>>>> RV, 
    FrameCycler and Nuke can access, upon execution of whatever Flipbook 
    app
>>>>>>>> you're using.
>>>>>>>> >
>>>>>>>> > 
    Example:
>>>>>>>> >
>>>>>>>> > I'm in Nuke - Nuke is using a 
    custom Alexa LUT as the viewer LUT
>>>>>>>> (referencing the nuke 3D LUT 
    at a global facility wide location)
>>>>>>>> >
>>>>>>>> > I 
    launch FrameCycler - I want to access a custom Alexa LUT 
    (referencing
>>>>>>>> the IRIDAS 3D LUT at a global facility wide 
    location)
>>>>>>>> >
>>>>>>>> > I launch RV - I want to access a 
    custom Alexa LUT (referencing a 3D LUT
>>>>>>>> at a global facility wide 
    location)
>>>>>>>> >
>>>>>>>> > I want all of this setup 
    globally instead of having to load the LUT's for
>>>>>>>> each flipbook 
    app on an individual basis.
>>>>>>>> >
>>>>>>>> > Thanks much in 
    advance!
>>>>>>>> >
>>>>>>>> > -Dan
>>>>>>>> >
>>>>>>>> 
    >
>>>>>>>> >
>>>>>>>> >
>>>>>>>> >
>>>>>>>> > 
    _______________________________________________
>>>>>>>> > Nuke-users 
    mailing list
>>>>>>>> > [email protected], http://forums.thefoundry.co.uk/
>>>>>>>> > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
>>>>>>>>
>>>>>>>> 
    _______________________________________________
>>>>>>>> Nuke-users 
    mailing list
>>>>>>>> [email protected], http://forums.thefoundry.co.uk/
>>>>>>>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
>>>>>>>>
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> -- 
>>>>>>> 
>>>>>>> *Dave Goodbourn***
>>>>>>> 
>>>>>>> IT Manager
>>>>>>> 
>>>>>>> **
>>>>>>> 
>>>>>>> *
>>>>>>> *
>>>>>>> 
>>>>>>> *uFX **(a division** of uMedia)*
>>>>>>> 
>>>>>>> *UK: *2nd & 
    3rd Floors, 32 Rathbone Place, London, W1T 1JJ
>>>>>>> 
>>>>>>> *BE: *Avenue 
    Louise 235, 1050 Brussels, Belgium
>>>>>>> 
>>>>>>> *GENERAL *+44  20 7268 0068
>>>>>>> 
>>>>>>> *FAX* +44  20 7268 0069
>>>>>>> [email protected]
>>>>>>> 
>>>>>>> www.u-fx.co.uk
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> Confidentiality 
>>>>>>> notice<http://www.umedia.eu/medias/CONFIDENTIALITY20NOTICE.pdf>
>>>>>>> 
>>>>>>> Company legal 
>>>>>>> information<http://www.umedia.eu/medias/Company_legal_information.pdf>
>>>>>>
>>>>>_______________________________________________
>>>>>>Nuke-users  mailing list
>>>>>>[email protected], http://forums.thefoundry.co.uk/
>>>>>>http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
>>>>>_______________________________________________
>>>>>Nuke-users 
  mailing list
>>>>>[email protected], http://forums.thefoundry.co.uk/
>>>>>http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
>>>>>
>>>>
>>>>
>>>>
>>>>________________________________
>>>>
>>>>_______________________________________________
>>>>Nuke-users mailing 
list
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>>>>http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
>>>>
>>>>
>>>>_______________________________________________
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>>>>
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>>
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>
>
>-- 
>Jose Fernandez de Castro
>
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