[instaviz-users] Scrolling issue in Instaviz 1,4

[Glen Low]

All

On 07/07/2009, at 1:15 AM, T3knomanser wrote:

> The edit/view mode works well, but when editing there's still a
> scrolling issue. On a large graph, the two nodes I want to connect may
> be impossibly far apart to connect while zoomed out. When dragging,
> scrolling needs to follow my finger, so that I can easily connect
> distant nodes.

I'm working with a feature of iPhone 3.0 that may allow shapes to be  
rendered without the current lag: at the moment when you scroll and  
zoom, new areas are checkerboarded until rendered. So when you  
autoscroll, the checkboarding means you can't see where you are  
scrolling to past a certain point.

You can workaround the issue by wiggling your fingertip slightly while  
autoscrolling, this should cause a refresh of the checkboard and you  
will see the graph at that point.

Was that the issue you were noting?

>
> Also, in view mode, double taps should still work. Its cumbersome and
> counterintuitive to have to switch to edit mode to export the graph.

I had planned to incorporate a proper file menu at the Graph lists  
level to handle all the file-related commands, and keep them out of  
the individual graphs. Besides improving the user interface, this  
would allow you to batch delete, duplicate, export or email your  
graphs, much like the batch operations in Mail and Photos.

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I spruced up the icons from Glyphify set and aligned them to the  
system icon positions. On the top: File/Done (or maybe Edit/Done if  
it's not too confusing with the graph-level edit) and Add/Import  
(changes to the cloudy import icon when you tap File). On the bottom:  
delete, duplicate, preview, email and export.

Unfortunately I had to pull this for 1.4 since it would have taken too  
long to get right, it should make its way into 1.5 though, along with  
a CoverFlow-like preview of graphs at that level when you orient the  
iPhone horizontally. I had to release 1.4 early to fix the scrolling  
bug in iPhone 3.0.





Cheers, Glen Low


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