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Mouse Commands

Mouse Clicks

Button 1

Sets the cursor, drawing it in the new location, and marks the clicked vertex.

Button 2

Sets the cursor without drawing it in the new location and unmarks the clicked vertex.

Button 3

Clears marked vertices.

Mouse Controls for Zooming

Control+Button 1

Zooms in, doubling the zoom level

Control+Button 3

Zooms out, halving the zoom level