Grayhill Multi-Touch Ring Encoder - Software Development Ki Manual do Utilizador descarregar pdf (Página 19)

Multi-Touch Ring Encoder Software Development Kit User’s Guide v3.0

• X - average movement of one to five touch positions along the

x-axis

• Y - average movement of one to five touch positions along the

y-axis

• Z - corresponding movement in the z-axis (toward or away

from the user) by relative expansion (un-pinch) or contraction

(pinch) of from one to three touch positions

• X Angle - rotation angle around the x-axis that would

correspond to an average movement of one to five touch

positions along the y-axis

• Y Angle - rotation angle around the y-axis that would

correspond to an average movement of one to five touch

positions along the x-axis

• Z Angle - rotation angle about the z-axis of one to three touch

positions, about a point determined by the number of touches

In 3-D modes, as in 2-D modes, the developer has flexibility to qualify the

tracking data with the number of touches desired for a particular gesture.

For example; moving fingers along the x-axis produces both X data,

(panning along the x-axis) and Y Angle data (rolling an object about the y-

axis.) The developer may decide that two fingers should be used to

perform a pan along the x-axis and three fingers will be used to rotate about

the y axis. It is then only a matter of applying the X data when two touch

positions are indicated and Y Angle data when three occur.

Additional Information

The Grayhill Instinct Gesture Recognition Library is available to our

customers with a signed Non-Disclosure Agreement. To request a form

please contact Grayhill at [email protected].

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Grayhill Multi-Touch Ring Encoder - Software Development Ki Manual do Utilizador Página 19