short question: best way to scroll a visualization

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short question: best way to scroll a visualization

abergel
Hi!

Roassal provides a kind of scrolling like in the iphone. With the mouse, you drag&drop the background and it gives a velocity to it and decelerate slowly, as in an iphone.

I found a different way of scrolling in the ZVTM:
http://zvtm.sourceforge.net/zgrviewer/applet/

Which way do you prefer best?
Cheers,
Alexandre
--
_,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
Alexandre Bergel  http://www.bergel.eu
^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.





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Re: short question: best way to scroll a visualization

abergel
By the way, in Roassal we will also have a small overview of a visualization, as in the applet.

Alexandre


On 17 Jan 2012, at 09:24, Alexandre Bergel wrote:

> Hi!
>
> Roassal provides a kind of scrolling like in the iphone. With the mouse, you drag&drop the background and it gives a velocity to it and decelerate slowly, as in an iphone.
>
> I found a different way of scrolling in the ZVTM:
> http://zvtm.sourceforge.net/zgrviewer/applet/
>
> Which way do you prefer best?
> Cheers,
> Alexandre
> --
> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
> Alexandre Bergel  http://www.bergel.eu
> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
>
>
>
>
>

--
_,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
Alexandre Bergel  http://www.bergel.eu
^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.





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Re: short question: best way to scroll a visualization

Tudor Girba-2
Hi,

This one is terrible from a usability point of view because you cannot
properly control the scrolling speed.

The existing implementation would work well for touchscreens, but it
does not work that well with existing pads. It would be better to have
the possibility to scroll using the mouse wheel or pad gestures.

Anyway, just please do not implement the one you link here :)

Cheers,
Doru


On Tue, Jan 17, 2012 at 1:25 PM, Alexandre Bergel
<[hidden email]> wrote:

> By the way, in Roassal we will also have a small overview of a visualization, as in the applet.
>
> Alexandre
>
>
> On 17 Jan 2012, at 09:24, Alexandre Bergel wrote:
>
>> Hi!
>>
>> Roassal provides a kind of scrolling like in the iphone. With the mouse, you drag&drop the background and it gives a velocity to it and decelerate slowly, as in an iphone.
>>
>> I found a different way of scrolling in the ZVTM:
>> http://zvtm.sourceforge.net/zgrviewer/applet/
>>
>> Which way do you prefer best?
>> Cheers,
>> Alexandre
>> --
>> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
>> Alexandre Bergel  http://www.bergel.eu
>> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
>>
>>
>>
>>
>>
>
> --
> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
> Alexandre Bergel  http://www.bergel.eu
> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
>
>
>
>
>
> _______________________________________________
> Moose-dev mailing list
> [hidden email]
> https://www.iam.unibe.ch/mailman/listinfo/moose-dev



--
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Re: short question: best way to scroll a visualization

jfabry
Hi all,

I agree with Doru. It's difficult to scroll quickly and moreover it is not a conventional way of scrolling. Scrollbar + mouse wheel / gestures would be a better combination.

On 17 Jan 2012, at 09:42, Tudor Girba wrote:

> Hi,
>
> This one is terrible from a usability point of view because you cannot
> properly control the scrolling speed.
>
> The existing implementation would work well for touchscreens, but it
> does not work that well with existing pads. It would be better to have
> the possibility to scroll using the mouse wheel or pad gestures.
>
> Anyway, just please do not implement the one you link here :)
>
> Cheers,
> Doru


---> Save our in-boxes! http://emailcharter.org <---

Johan Fabry  
[hidden email] - http://dcc.uchile.cl/~jfabry
PLEIAD Lab - Computer Science Department (DCC) - University of Chile




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Re: short question: best way to scroll a visualization

abergel
Thanks!

Alexandre



Le 17 janv. 2012 à 09:48, Johan Fabry <[hidden email]> a écrit :

> Hi all,
>
> I agree with Doru. It's difficult to scroll quickly and moreover it is not a conventional way of scrolling. Scrollbar + mouse wheel / gestures would be a better combination.
>
> On 17 Jan 2012, at 09:42, Tudor Girba wrote:
>
>> Hi,
>>
>> This one is terrible from a usability point of view because you cannot
>> properly control the scrolling speed.
>>
>> The existing implementation would work well for touchscreens, but it
>> does not work that well with existing pads. It would be better to have
>> the possibility to scroll using the mouse wheel or pad gestures.
>>
>> Anyway, just please do not implement the one you link here :)
>>
>> Cheers,
>> Doru
>
>
> ---> Save our in-boxes! http://emailcharter.org <---
>
> Johan Fabry  
> [hidden email] - http://dcc.uchile.cl/~jfabry
> PLEIAD Lab - Computer Science Department (DCC) - University of Chile
>
>
>
>
> _______________________________________________
> Moose-dev mailing list
> [hidden email]
> https://www.iam.unibe.ch/mailman/listinfo/moose-dev

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Re: short question: best way to scroll a visualization

Stéphane Ducasse
In reply to this post by abergel
excellent!
Will it also have the possibility to emit event on over: ?
Because seen the code constantly  is still missing in moose.

Stef
On Jan 17, 2012, at 1:25 PM, Alexandre Bergel wrote:

> By the way, in Roassal we will also have a small overview of a visualization, as in the applet.
>
> Alexandre
>
>
> On 17 Jan 2012, at 09:24, Alexandre Bergel wrote:
>
>> Hi!
>>
>> Roassal provides a kind of scrolling like in the iphone. With the mouse, you drag&drop the background and it gives a velocity to it and decelerate slowly, as in an iphone.
>>
>> I found a different way of scrolling in the ZVTM:
>> http://zvtm.sourceforge.net/zgrviewer/applet/
>>
>> Which way do you prefer best?
>> Cheers,
>> Alexandre
>> --
>> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
>> Alexandre Bergel  http://www.bergel.eu
>> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
>>
>>
>>
>>
>>
>
> --
> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
> Alexandre Bergel  http://www.bergel.eu
> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
>
>
>
>
>
> _______________________________________________
> Moose-dev mailing list
> [hidden email]
> https://www.iam.unibe.ch/mailman/listinfo/moose-dev


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Re: short question: best way to scroll a visualization

Stéphane Ducasse
In reply to this post by jfabry
for your info, I hope to continue to clean up event and that we are in the position to see how we can handle
better events like multi touch ones. But cleaning first.

Stef
On Jan 17, 2012, at 1:48 PM, Johan Fabry wrote:

> Hi all,
>
> I agree with Doru. It's difficult to scroll quickly and moreover it is not a conventional way of scrolling. Scrollbar + mouse wheel / gestures would be a better combination.
>
> On 17 Jan 2012, at 09:42, Tudor Girba wrote:
>
>> Hi,
>>
>> This one is terrible from a usability point of view because you cannot
>> properly control the scrolling speed.
>>
>> The existing implementation would work well for touchscreens, but it
>> does not work that well with existing pads. It would be better to have
>> the possibility to scroll using the mouse wheel or pad gestures.
>>
>> Anyway, just please do not implement the one you link here :)
>>
>> Cheers,
>> Doru
>
>
> ---> Save our in-boxes! http://emailcharter.org <---
>
> Johan Fabry  
> [hidden email] - http://dcc.uchile.cl/~jfabry
> PLEIAD Lab - Computer Science Department (DCC) - University of Chile
>
>
>
>
> _______________________________________________
> Moose-dev mailing list
> [hidden email]
> https://www.iam.unibe.ch/mailman/listinfo/moose-dev


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Re: short question: best way to scroll a visualization

abergel
In reply to this post by Stéphane Ducasse
> Will it also have the possibility to emit event on over: ?

I am not sure to understand.

In Roassal (as well as in Mondrian), it is necessary to handle MouseOver event. This is how the popup is implemented.

Cheers,
Alexandre

--
_,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
Alexandre Bergel  http://www.bergel.eu
^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.





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Re: short question: best way to scroll a visualization

Stéphane Ducasse

When you hover on a node, emitting an event so that other tools can register.

Stef



>> Will it also have the possibility to emit event on over: ?
>
> I am not sure to understand.
>
> In Roassal (as well as in Mondrian), it is necessary to handle MouseOver event. This is how the popup is implemented.
>
> Cheers,
> Alexandre
>
> --
> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
> Alexandre Bergel  http://www.bergel.eu
> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
>
>
>
>
>
> _______________________________________________
> Moose-dev mailing list
> [hidden email]
> https://www.iam.unibe.ch/mailman/listinfo/moose-dev


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