I’m guessing you’re copying the text out of the PDF in which the curve
expression is distributed. Unless you sanitize it yourself, you’ll end up with
these illegal characters.
However, Nuke has this curve included by default ('AlexaV3LogC'), so there’s no
reason to add it yourself.
-Nathan
From: smartyarts
Sent: Wednesday, February 27, 2013 5:42 AM
To: nuke-python@support.thefoundry.co.uk
Subject: [Nuke-python] Integrating Alexa LUT into Nuke
Hi fellows,
I don't know if this is the right forum to post this topic into but I guess
it's the closest that comes to my mind.
I have downloaded the arri alexa nuke color pipeline pdf and there it tells me
to put the following code into my init.py:
Code:
#custom input/output LUTs
nuke.root().knob('luts').addCurve("AlexaV3LogC", "{ (t > 0.1496582 ?
pow(10.0, (t - 0.385537) / 0.2471896) : t / 0.9661776 – 0.04378604) * 0.18 -
0.00937677 }")
# ViewerProcess LUTs
nuke.ViewerProcess.register("AlexaV3Rec709", nuke.createNode,
("Vectorfield", "vfield_file
C:/Users/admin/.nuke/luts/AlexaV3_EI0800_LogC2Video_Rec709_EE_nuke3d.cube
colorspaceIn AlexaV3LogC"))
Afterwards my Nuke will not start anymore. The nuke console will give me that
error:
SyntaxError: Non-ASCII character '\x96' in file C:/Users/admin/.nuke/init.py on
line 17, but no encoding declared; see http://www.python.org/peps/pep-0263.html
for details
This line is meant:
nuke.root().knob('luts').addCurve("AlexaV3LogC", "{ (t > 0.1496582 ? pow(10.0,
(t - 0.385537) / 0.2471896) : t / 0.9661776 – 0.04378604) * 0.18 - 0.00937677
}")
So I removed everything in curly brackets with an empty space. After that Nuke
starts normally again and I can select the new added viewer LUT.
Apparently what was in curly brackets seems to cause the crash. Does anyone
know what's wrong with the statement in the brackets and how the statement
should actually be or do I need them at all?
Any help is really appreciated.
kind regards
smarty
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