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+# Interaction
+
+## Double Click Zoom
+
+* Apply a zoom factor
+* Apply resolution constraint
+
+## Pinch Zoom
+
+* No resolution constraint while pinching
+* Apply resolution constraint when releasing mouse
+* Animate to final resolution
+
+## (Alt) Drag Rotate
+
+* No rotation constraint while rotating
+* Apply rotation constraint when releasing mouse
+* Animate to final angle
+
+## Mouse Wheel Zoom
+
+* Apply resolution constraint as the user scrolls
+
+## Shift Drag Zoom
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