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(sl)Edge Hammer to treat light wrap
The original version of this article can be viewed here
Here’s a quick tip to help integrate composites where light wrap is causing a problem.…
Guide_Line
Contributed by Shaxboz
Photoshop guide line for all Nuke versions (Win)
Dealing with NaN pixels
Here's an approach to dealing with the occasional NaN pixel that can for example crop up when outputting through the ScanlineRender node.…
Automatic Write Node Versioning
if you run
nuke.root()['onScriptSave'].setValue("import re\n"+"rootVersion=re.search(\'[vV]\d+\',os.path.split(nuke.root().name())[1]).group()\n"+"for each in nuke.allNodes():\n"+" if each.Class() == \'Write\':\n" +" each[\'file\'].setValue(re.sub(\'[vV]\d+\',rootVersion,each[\'file\'].value()))")
your write nodes automatically increment their version number with the scripts version number when you save a new version of the script.
So if you have a script called MyScript_v01.nk and a write node with a file path that ends with MyRenderFile_v01.mov when you do File:Save…
Interview with Paul Van Camp
Whats your background?
I have a very diverse background starting with a degree in Electrical Engineering way back in ’79. I worked on theme park attractions with Disney before getting into film with the movie “Brainstorm” where I wrote camera controller software and then became the night-shift motion-control operator.…
Calling Python from an expression
You can easily call Python methods from within expressions, similar to calling Tcl expressions from Python via nuke.tcl()
To do this, you use the "python" Tcl method, for example:
[python nuke.thisNode().metadata().keys()]
While this is mostly straight-forward, there are a few things to be aware of..…
Create Deep Images for Nuke in Maya/Prman
Create Deep Images for Nuke in Maya/Prman
Nuke's deep implementation can currently only uses .dtex files rendered out of Prman 15.2 or newer. In this example I will show you how to generate them out of Maya & Renderman Studio.
Here is my scene full of 3d geometry Spheres
Render Settings
1. Goto your "Render Settings" in Maya
2.…
The lens distortion model in the Card node explained
(The following information comes courtesy of one of the research engineers at the Foundry).
The Card node implements the PtGUI lens model.…
nuBridge Plugin
nuBridge requires a paid subscription, and the proceeds help to keep Nukepedia running.
Please Note:
We are now working on updating nuBridge to work with our brand new database.
Once we are ready to re-launch it we will contact all proUser subscribers, link their accounts to be able to access nuBridge and update this page with more details.
Stay tuned...…
Measuring Plugin Speed
This was recently discussed on the nuke-dev mailing list and some approaches were new to me, so I thought I would add all answers here:
* Use the -P switch to pute nuke into performance mode
* Have a test .nk (e.g Read->MyNode->Write) and compare times how long it takes to render on the command line with "nuke -x"
*…
Using the nuke.math Python module to do Vector and Matrix operations
Nuke has its own python math module (nuke.math) that provides support for Matrix, Vector, and Quaternion classes, and useful functions to operate with them.
If you need to do any maths involving vector operations in Nuke (like adding or substracting vectors, transforming vectors with transformation matrices, calculating vector reflections, inverse-projecting a 3d vector into 2d screen coordinates, etc), then the nuke.math…
Understanding UVMaps - Warping with STMap - Pt. 2
Following the first tutorial for STMaps this second tutorial should give you some idea what else appart from recreating precise lens distortion warps you can do in Nuke using the same set of tools.…
Interview with Frederich Munch
What did you do before Geo tools?
I'm really all over the place. The last two years I've been working with a lot of artists building either animations or custom electronics for a variety of gallery shows.…
Concatenation of transforms in Nuke
A fairly common question among Nuke users is whether transformation nodes concatenate in Nuke, which nodes do and don't, and how can one tell.
The subject can be particularly confusing for artists who had used Shake before and liked the way it gave a visual clue of nodes that were concatenating.…
Understanding UVMaps - Warping with STMap - Pt. 1
Here at RISE we started using UVMaps to apply camera lens distortion to matte paintings, cg renders and all sorts of footage when there was no (or at least no cheap) way to get the lens distortion value from your favourite 3D tracking application into Nuke.…
Using Eclipse with Nuke
This tutorial will outline the steps to be taken to make Eclipse your Nuke IDE. Though the Nuke script editor has been improved recently, it's still worth looking for alternatives. Eclipse adds lots of extra features like auto completion, syntax checking or source exploration to make daily tasks easier to accomplish.…
Debugging python code IN nuke with Eclipse (step through like a pro!)
Introduction
This tutorial is intended for technical artists or developers who already know how to run Python scripts in Nuke.
What is debugging? If you already know, skip on ahead.
Debugging offers you the ability to pause code execution and interact with a live session.…
Creating a new menu for Custom Gizmos
I had TONS of trouble trying to figure out how to make a menu, so here is my tutorial. (Keep in mind, this is a tutorial for super ultra mega beginners) Be SURE you read the directories carefully during this tutorial!
What we will do: We will add a new menu to your "Nodes" menu.…
Expression Node 101
Introduction The expression node in nuke is a bit of a mystery for most people, but it's incredibly powerful.…
Shake to Nuke, a transition guide - Part I: The Interface
Changing a piece of software you work with on a daily basis can be a frustrating experience at first.…