For this instalment in our ground-up series about integrating Gaffer into a pipeline, we cover how to change node defaults.
All Gaffer nodes have plugs, whether they are visible in the Graph Editor
When writing pipeline tools, it's often useful to know which Gaffer version you are running in. In python, the Gaffer.About module is your friend:
import Gaffer
print( Gaffer.About.versionString(
Like many other applications that calculate data on-demand, Gaffer has a memory cache that can increase performance in UI sessions if you have RAM to spare.
The default size (1GB) is somewhat conservative