[instaviz-users] Opinions wanted: sketching vs scrolling

[Ryan Schmidt]

On Nov 12, 2008, at 07:12, Glen Low wrote:

> On 12/11/2008, at 9:58 PM, Glen Low wrote:
>
>> So I've decided, for now at
>> least, to use the shake as the delete gesture.
>>
>> So select the node or edge and pretend it's like an Etch-a-Sketch,  
>> and
>> poof the node or edge is gone. Coming to an Instaviz near you. (More
>> specifically, either 0.1.3 or 0.2 depending on whether I can get  
>> label
>> editing figured out.)
>
> A little more in the defense of shake-to-delete.
>
> 1.	It's a deliberate gesture, it's hard to do this by accident.
> 2.	The shake only deletes the selected item so it's not a large  
> change.
> 3.	The graph isn't obscured during the action or after.
> 4.	There is some precedent for this, especially among certain graph
> programs. e.g. Apple's demo GLPaint. Know of any more?
> 5. 	Only a single hard shake is needed, interferes just enough with
> the workflow I think.
>
> My main worry about shake-to-delete is discoverability. I believe once
> you know how to do it, it becomes very natural though.

PCalc uses shake-to-clear. It's Etch-a-Sketchy, like you said, and I  
like it.

I just worry that if I do a lot of deleting, I'll be doing a lot of  
shaking.