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Posts: 323 | Thanked: 116 times | Joined on Jul 2010
#21
Originally Posted by ysss View Post
Please put a little more thoughts into this.

I see you suggested a viable method for zooming there. Just for zooming. ...
Where's the rotation and panning, without switching modes?
"tap and swipe" is not only for zooming.
It defines a complete matrix:
You have the center: "tap"
You have TWO other points: start of swiping, end of swiping

This defines two vectors:
center-start, center-end

This defines exactly:
a) Zoom factor around the center (stretching)
b) Rotation around the center

This is not complicating but the exact counterpart to "swipe only" which is a simple translation.

This is very easy and intuitive and can easily be realized.
 
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#22
Originally Posted by gerdich View Post
"tap and swipe" is not only for zooming.
It defines a complete matrix:
You have the center: "tap"
You have TWO other points: start of swiping, end of swiping

This defines two vectors:
center-start, center-end

This defines exactly:
a) Zoom factor around the center (stretching)
b) Rotation around the center

This is not complicating but the exact counterpart to "swipe only" which is a simple translation.

This is very easy and intuitive and can easily be realized.
Please reread my replies... and when you truly understand what I'm talking about, send me a pm
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#23
Maybe with something like a wacom bamboo, or apple magic trackpad. You'd still need a driver, and possibly also MPX support.
 
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#24
Dear ysss!

I didn't want to make you angry but to reply exactly to your question.

You have asked: "Just for zooming. But where is the rotation..?"

...and I have answered that "tap and swipe" defines a rotation together with the zooming at the same time.


I think in fact that YOU haven't understood the efficency of "tap and swipe".
This little gesture defines on a very intuitive way a very complex transformation.
It's very mathematical and well defined.

Only one gesture (tapping and swiping) but at the same time a zooming and a rotational movement are defined.
 
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#25
Originally Posted by gerdich View Post
Dear ysss!

I didn't want to make you angry but to reply exactly to your question.

You have asked: "Just for zooming. But where is the rotation..?"

...and I have answered that "tap and swipe" defines a rotation together with the zooming at the same time.


I think in fact that YOU haven't understood the efficency of "tap and swipe".
This little gesture defines on a very intuitive way a very complex transformation.
It's very mathematical and well defined.

Only one gesture (tapping and swiping) but at the same time a zooming and a rotational movement are defined.
Well, I know enough that:
1. Tap and swipe is generally interpreted as panning.
2. I've thus suggested 'double-tap and swipe' 2 months before your post here: http://talk.maemo.org/showthread.php?t=58286&page=3
3. It's only useful for 2 axis. You can either assign that to panning OR zoom + rotate. Not both.

Notice that I've always mentioned the ability to zoom, rotate + pan all at the same time, with multitouch. If you don't know how fluid and natural that feels like, go play with an iPad (or Galaxy Tab?) for a few minutes. (Yes, yes, they're bigger. There are smaller screen implementations too, but the default photo apps in iPad is a pretty great demo of this.)

4. We're only talking about -one- advantage of multitouch. There are myriads more, not to mention you can make use of more than 2 points at the same time.
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#26
The word "swipe" doesn't appear in your thread.

The gesture "tap&swipe" is an invention from me and mentionned in the thread I've already indicated to you.

Again: It is this thread:
http://talk.maemo.org/showthread.php?t=61911

It is NOT panning!!!
Panning is realized by normal swiping.
This is a parallel translation.

"Tap&Swipe" is another thing. With the first tap you indicate a center (for rotation or streching).
With the swiping you define a rotation and streching.

"Swipe" and "Tap&Swipe" can live together next door.
They replace everything you could realize on a smart phone with multitouch.
They are more suitable for little screens than multitouch.
 
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#27
Originally Posted by gerdich View Post
The word "swipe" doesn't appear in your thread.

The gesture "tap&swipe" is an invention from me and mentionned in the thread I've already indicated to you.

Again: It is this thread:
http://talk.maemo.org/showthread.php?t=61911

It is NOT panning!!!
Panning is realized by normal swiping.
This is a parallel translation.

"Tap&Swipe" is another thing. With the first tap you indicate a center (for rotation or streching).
With the swiping you define a rotation and streching.

"Swipe" and "Tap&Swipe" can live together next door.
They replace everything you could realize on a smart phone with multitouch.
They are more suitable for little screens than multitouch.
What is the difference between swipe and slide?
One is Apple approved, the other is generic?

What I meant by my first point:
1. 1st tap : object\region selection
2. When you slide^H^H^H^H^H swipe, that will usually pan\move the object.

Thus, your 'tap&swipe' will conflict against the existing gui paradigms and that's not a good thing. That's why we discussed 'double tap+slide' on that thread I referenced.

Whatever, this is a thread about multitouch.
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Posts: 323 | Thanked: 116 times | Joined on Jul 2010
#28
Originally Posted by ysss View Post
What I meant by my first point:
1. 1st tap : object\region selection
That is an argument but it is wrong. (And I did answer this objection already in my thread, before the question.)

Tap&swipe doesn't conflict with existing gui paradigms, like tap&hold doesn't either.

If the tapping is immediately follow by a swipe it is a tap&swipe and NOT a single tap.
(And even if the" tap" was also interpreted as object selection that wouldn't be a problem here, because you are always zooming and rotating active objects.)

Like tap&hold is different from a single tap also tap&swipe is different from a single tap.
 
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#29
Is it possible to combine this liqbase with preenv, I personally dont need mulitouch anywhere else, but playing NOVA without multi touch is just too hard





Originally Posted by thp View Post
lcuk did implement fake multitouch in liqbase a long time ago: liqbase fake multitouch

There was also another multi-touch game post (fake multitouch, by having stationary buttons and calculate the button presses based on the position of the "combined" point) on Planet Maemo some months ago, but I can't find the link right now.
 
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#30
Exactly! That's it!

We don't need multitouch but a good emulation of the (multitouch) "pinch" gesture for single touch devices.

(My proposition is "tap&swipe".)
 
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