Hard hard user interfaces.

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Started as someone doing ActionScript in Macromedia Flash I got into Human-Computer-Interaction after watching Jeff's Hann's multi-touch work. That's the power of a really cool demo that inspired the birth of NUIGroup community which spawned 1000s of makers all around the world making their own projector camera multitouch systems. All of it became mainstream once Apple released the iPhone to the world, and also gave birth to my interest in human-centered engineering. I spent some 10 years after that playing with sensors, haptics, and gestural interfaces through multiple input modalities but nothing stuck as much as multi-touch did. Thanks to Apple's execution. Everyone's phone/tablet interaction is default multitouch. (unless you have a visual impairment). Primsense evolved into Kinect, then came Wiimote, Leap but nothing stuck.  for speech, it was Amazon's Alexa. Latest news , that its going to lose Amazon 10B.  Like I am writing this post through my keyboard a...
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Gestures Plan

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My thoughts were triggered after I read the Bill Buxton argument.

We must focus on streamlining the interaction. by number of gestures minimum, using them only when they're required and naturally usable.-> Simpler and better SketchUp design and modeling experience. This implies that we should using Multitouch in only one thing-> Camera motions in Sketchup i.e. Zoom, PAN and Orbit
There are two modes I am thinking about-

MODE 1 Camera= Initialized using a Button1 from a new SketchUp MT Toolbar

1. Zoom-Drag apart two fingers/MT cursors
2. Orbit- Keep two fingers constant and move third vertically to the axis of the two.
X X O ^

3. Pan- Drag in any direction with single finger
O->


MODE 2 Drawing= Initalized using Button2 from SketchUp MT toolbar


- SketchUp's drawing interface is meant to be exploited using single touch(mouse) so we plan not messing around with that - Therefore we're drawing with the help of mouse emulation and it'll do. by just checking if the amount of fingers/touches (TUIO cursors) ==1 and then emulating the MOUSE.
Trying to draw in sketchup using MT might be analogical to killing a mosquito with a stick.

So let's keep the drawing Single Touch

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