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OnCreated Script to set name, color, shape of node: cachename = hou.ui.readInput("Enter cache name")node = kwargs["node"]node.setName(cachename[1])node.setUserData('nodeshape', "tilted")node.setColor(hou.Color(1,0,0))

Get houdini version: hver = hou.applicationVersionString().rpartition('.')[0]

ufraw-batch --out-type jpeg *

if you need your output file named exactly like your input file then use a little TCL expression in the file knob of the write node suggestion your filename convention is like: //path/to/file/filename.pattern.ext then: [lindex [split [lindex [split [knob [t...

Random Spin: // The following makes it random: axis = rand(@id) - set(0.5, 0.5, 0.5); spinspeed *= rand(@id+0.1);

GETTING A KNOB’S VALUE OF A SPECIFIC NODE: #First frame of current read/write: [value Read1.first] #Getting a knob’s value of current node: [value this.first_frame] #Return label value of the input node: [value this.size] #Name of the input node...

import os,hou, shutil selected = hou.selectedNodes() for x in selected: if x.parm("env_map"): file = x.parm("env_map").eval() parm1 = x.parm("env_map") elif x.parm("fileName"): file = x.parm("fileName").eval() pa...

Retiming a curve There are many retiming options in Nuke but how do you retime tracking data or animation?The answer is actually very simple and can be used wherever you have an animation curve in your script. If you are using an OFlow node, called ‘OFlow1’, ...

Center Crop for Instagram: ffmpeg -i ParticleSensor.mp4 -vf "scale=(iw*sar)*max(1080/(iw*sar)\,1080/ih):ih*max(1080/(iw*sar)\,1080/ih), crop=1080:1080" ParticleSensor_ig.mp4    

first convert to 256 convert input.png -resize 256x256 output.png last convert to icns png2icns output.icns input.png

"""Finds and creates nodes for file sequences in an entire directory tree""" # This has the user select a folder, then creates Read nodes # for all files and sequences under that folder # lewis@lewissaunders.com 03/2011 import os, nuke, re, time from...

Get the file path from selected nodes: sel=nuke.selectedNodes() for x in sel: print(x.knob("file").getValue())

def grabFrames(self): import os plate = self.parm("backplate").eval() if not plate: framex = self.parm("frange1").eval() framey = self.parm("frange2").eval() else: flist = [x.split(".")[-2] for x in os.listdir(os....

import hou selected = hou.selectedNodes()[0] groups = [g.name() for g in selected.geometry().primGroups()] for i, name in enumerate(groups, 1): #make a split node split = selected.createOutputNode("blast") split.setName(name) ...

auto focus, get distance from object and camera: vlength(vtorigin(“/obj/geo1”, “/obj/cam1”))

divide points into 3 equal parts: i@part = floor(fit(rand(@ptnum+.258), 0, 1, 0, 2.9));   point normal to center:  

import hou obj = hou.node("/obj") ocam = hou.node(hou.ui.selectNode(node_type_filter=hou.nodeTypeFilter.ObjCamera)) reslist = ["1920x1080", "3840x2160", "3072x2109", "2224x1548", "Keep Original", "Custom"] sl = hou.ui.selectFromList(reslist, message=...

If the pscale is greater than .4 then set it to .2, if not set it to its current pscale @pscale = @pscale>.4?.2:@pscale    

OGV: in_old = "path_to_vid.mp4" new = ${in_old%.*}.ogv ffmpeg -i $in_old -codec:v libtheora -qscale:v 6 -codec:a libvorbis -qscale:a 6 $new

for i in *.mov; do name=`echo "$i" | cut -d'.' -f1` echo "$name" ffmpeg -i "$i" "${name}.mp4" done