large screens

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shift
patrick baudisch dan vogel
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pen
unique contact point
remove hand from screen
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shift
benefit 1 click on the target itself, as users
expect ? kiosk, but also when switching between
pen and touch
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corners
benefit 2 callout can go anywhere, no edge
problems
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model performance
benefit 3 fast for large targets
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when escalate?
vs.
by default dwell time extension larger target ?
longer dwell time extension shift learns dwell
times
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study
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study

• 3 techniques x
• 2 finger styles (nail, tip) x
• 3 blocks x
• 6 target sizes (6, 12, 18, 24, 48, 96px) x
• 4 target directions

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result
huge error rate renders touch screencondition
unusable for small targets
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result
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we can
add whatever we want to add to this
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added zoom
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activation
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lt/end as ifgt
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motivation

• retrieving stylus takes timeand 2nd hand
• ? people use finger instead