Does anyone know if it is possible to create an overlay where we render something arbitrarily on top of a vtkChart? We essentially would like to do a hover effect when some other action in our UI signals we create an overlay on top of the vtkChart to display something like a “Click Here” thing.
Hello,
Based on my own exprience, VTK charts are not renown for built-in high interactivity. Here’s something that may help you to get started: Interactive 2D plots with VTK (The Visualization Toolkit) | echnoT's Techno . It’s from 2014, but it may cast a light on how to implement interactive VTK charts.
best,
PC