HoloLens 2 has a cool function known as hand-attached menu or hand-menu. It lets you rapidly convey up hand-attached digital UI that’s accessible anytime and may be proven and hidden simply.
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The function is so useful that builders have been considerably overloading it, so Microsoft has developed some tips for greatest follow in implementing the function.
These embrace:
Keep the variety of buttons small
Due to the shut distance between a hand-locked menu and the eyes and likewise the person’s tendency to deal with a comparatively small visible space at any time (the attentional cone of imaginative and prescient is roughly 10 levels), we advocate conserving the variety of buttons small. Based on our exploration, one column with three buttons works properly by conserving all of the content material inside the area of view (FOV) even when a person strikes their arms to the middle of the FOV.Utilize hand menu for fast motion
Raising an arm and sustaining the place might simply trigger arm fatigue. Use a hand-locked technique for the menu requiring a brief interplay. If your menu is complicated and requires prolonged interplay occasions, think about using world-locked or body-locked as a substitute.Button / Panel angle
Menus ought to billboard in direction of the alternative shoulder and center of the pinnacle: This permits a pure hand transfer to work together with the menu with the alternative hand and avoids any awkward or uncomfortable hand positions when touching buttons.Consider supporting one-handed or hands-free operation
Do not assume each of the person’s arms are at all times obtainable. Consider a variety of contexts when one or each arms should not obtainable, and ensure your design accounts for these conditions. To assist a one-handed hand menu, you’ll be able to attempt transitioning the menu placement from hand-locked to world-locked when the hand flips (goes palm down). For hands-free eventualities, think about using a voice command to invoke the hand menu.Avoid including buttons close to the wrist (system residence button)
If the hand menu buttons are positioned too near the house button, it might by chance set off whereas interacting with the hand menu.Hand menu with giant and complicated UI controls
Sometimes builders implement reasonably giant hand menus. Microsoft notes prolonged interplay with hand menus could cause arm fatigue and recommends builders world-lock the menus in house as a substitute after they’re known as up, permitting customers to drop their arm.
Microsoft recommends numerous strategies to forestall false activation when calling up the hand menu with an palm-up occasion.
These embrace requiring a flat palm or that the person be truly their palm when making the gesture.
Microsoft additionally doesn’t recommend builders get inventive with the location of the hand menu, noting that putting the menu subsequent to the left hand or 13 cm above the hand seems preferrred, whereas different placement runs the chance of false activations, confusion when your arms overlap or inflicting person fatigue.
The cool again of the arm menu, for instance, is tiring to the person and might set off unintentional residence button presses.
Read the complete steerage with detailed info at Microsoft right here.
