Scriptable Annotation Workflows

[PaulHax]

User can press a key, say r and VolView activates the Rectangle tool. Implement for all tools in ToolBar. Keys should be configurable.

Try to follow HistomicsUI.

o, r, i, c, p, l, b: Switch to point, rectangle, ellipse, circle, polygon, line, or brush drawing mode. If already in that mode, turn off drawing mode.

https://github.com/DigitalSlideArchive/HistomicsUI/blob/master/docs/controls.rst

[floryst]

I will also add on keyboard shortcuts for mouse controls (W/L, zoom, pan).

[aylward]

A few considerations... If we're going to support annotation, we need to think about workflows: 1) Define keystrokes for cycling between mouse modes, rather than a key for each mode. The concern with one key per mode is that we will run out of keys. Or have the annotation modes be capital letters while tweaks to a mode's settings are lower-case letters. Compatibility with HistomicsTK isn't an issue since it is for a very different audience. We should instead focus on radiological standards and workflows. 2) Window and level key controls should have settings that choose if each keystroke makes a large, medium, or small change in the intensity window/level. For example, A large step is 5% of the intensity range, a medium step is 0.1% of intensity range, and a small step is 0.01% of range. A single key cycles between being in small, medium, or large step mode. The current mode is indicated in the corner annotation of each window (perhaps ">>>" to indicate large step mode, ">>" for medium, and ">" for small. 3) We should do this in a way that supports scripting a sequence of modes...e.g., first mode is painting, with a radius of 10mm, using the "tumor" color; second mode is making a ruler measurement called "distance from tumor"; and third mode is painting a 3D needle of diameter 3mm; and the fourth mode is save all annotations to a file. s

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