2013 Project Week:SimplifyRendererMouseInteraction

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Home < 2013 Project Week:SimplifyRendererMouseInteraction

Key Investigators

  • Queen's: Csaba Pinter
  • MGH: Greg Sharp
  • BWH: Andrey Fedorov, Ron Kikinis
  • Isomics: Steve Pieper
  • Kitware: Jean-Cristophe Fillion-Robin


  • The goal is to discuss mouse interactions on slice viewers and decide best course of action.

Approach, Plan


  • Make the mouse mode (action invoked on left mouse button) explicit. Allow user to select the default left button mode via a preferences option.
  • Change mouse cursor icon to reflect current mouse mode
  • Changing mouse modes controlled through a toolbar.
  • When a mouse mode is active, the one-time actions (add fiducial etc.) are still available (through shortcuts)
  • Mouse modes
    • 'Null' mode - no action in slice viewers, rotation only in 3D viewer - default mouse mode
    • Window/Level mode - W/L in slice viewers, rotation in 3D viewer. (Decision on W/L in 3D for volume rendering? How about linking to the shift transfer function?)
    • Selection mode?
    • Transform mode?
    • Allow extensions to define new modes? Extension provides name of the mode, icon for the pointer.

Delivery Mechanism

This work will be delivered to the NA-MIC Kit as changes in the Slicer4 core.