maemo.org - Talk - View Single Post - Software emulation of dualtouch input possible?

	ysss	2011-01-12 , 15:30
	Posts: 4,384 \| Thanked: 5,524 times \| Joined on Jul 2007 @ ˙ǝɹǝɥʍou	#25

Originally Posted by gerdich

This is only ONE very simple emulation of multitouch:
(I call it Multiple virtual pointers MVP).

Instead of a single mouse pointer you have several (say 7) virtual pointers.

The principle is very easy (I call it "Jump to the next pointer" (JNP)):

If you tap on the screen only the virtual pointer next to the tapped location is moved to that place.

I'm not sure if you read my post (I call it INSIYRMP).

And what would 7 stationary pointers are used for on screen, when you can only move 1 at a time? (I call that WTF).

Also, I was mainly responding to this claim of yours...

Originally Posted by gerdich

There are good single touch emulations of all multitouch gestures. We have only to implement them.

I have a feeling that you're missing the point of multitouch.

@ysss:
I didn't see your posts:
This problem is solved by my tap@swipe emulation:
If you tap on the screen followed by a swiping this is recognized as a combined gesture with the following interpretation.
The tapped spot is the center of the transformation.
The beginning and the end of the swiping define the transformation (rotation, zoom)

No pan and the device has to change modes via a button/other gestures/triggers if you would like to do other thing than just rotate and zoom.

The difference is subtle on writing, but when you play with a multitouch tablet then the intuitive feel comes through very clearly.

It's even more pronounced when you combine those capabilities. Left hand with 2 fingers manipulating the image (zoom, pan, rotate, all at the same time) while your right hand is drawing. For example.

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Last edited by ysss; 2011-01-12 at 15:34.

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