qmsm_markup_tool: Tool for creating points and curves on an image

A tool which allows a user to

Load in an image
Annotate it with points and connecting curves
Save the points and curves to .pts and .crvs files

This is useful for creating the first template for a shape model.
Use the mouse wheel to zoom in and out.
Once the points have been saved, they can be editted using the qmsm_shape_editor

Menu Options

File Menu

Open Image
Load Points
Load Curves
Save Points
Save Curves
Graph Props - Display panel allowing size/colours of points/curves to be tweaked
Unzoom - Show whole image

Help Menu

Help: Display summary of functionality

Interaction Modes

	Drag Mode	Click and drag to move viewport around
	Intensity-Windowing Mode	Click and drag to change the intensity windowing ranges
	Add Point Mode	Click to add new point
	Add Curve Mode	Click new position to extend point from currently highlighted point
	Select Mode	Press and drag to move a point. Rubber-band box to select groups.

When in "Add Curve" mode, you can link to an existing point by clicking on it.
To start a new curve, click on the currently selected point (to deselect it), then click in a new position to create a new point and select it. A second click elsewhere with create a new point and connect to it.

Undo/Redo

The undo/redo buttons allow you to do just that.