Bidirectional Tool
How to set up the Bidirectional tool:
// Init cornerstone tools
cornerstoneTools.init();
// Enable any elements, and display images
// ...
// Add our tool, and set it's mode
const BidirectionalTool = cornerstoneTools.BidirectionalTool;
cornerstoneTools.addTool(BidirectionalTool)
cornerstoneTools.setToolActive('Bidirectional', { mouseButtonMask: 1 })