[Kst] extragear/graphics/kst/src

[George Staikos]

On 28-Nov-06, at 1:54 PM, Barth Netterfield wrote:

> I haven't had time to look at it yet, but here are some preemtive  
> questions:
> -when you read an RVector which had cached data, what happens if:
>
> C1:The data source does not exist on the machine you running kst on?
> 	A: the cached data is plotted  If you change frame ranges, only
> cached data in the new range is plotted, etc.  Indexes are relative  
> to the
> original data source.

   Sounds right.  (Not really implemented yet...)

> C2: The data source does exist on the machine you are running kst on?
> 	a1) the data source is read (and the cache is ignored and is only  
> for backup)
> or	a2) the cached data is shown unless something happens... possible
> somethings
> 		-frame range is changed to not include all of the cached data
> 		-reload is pressed
>
> or	a3) the cached data is compared to the data in the data source.   
> If they
> are the same, the data source is silently shown.  If they are  
> different, a
> dialog pops up to let the user decide which to use.  A mechanism  
> exists
> (reload?) to let the user to later switch to the data file data.
>
> I think I like A3.

    Prompting is a bit unfortunate.  How about a statusbar icon that  
indicates that cached data is in use?  Clicking on it provides a menu  
or similar to disable it.

--
George Staikos
KDE Developer				http://www.kde.org/
Staikos Computing Services Inc.		http://www.staikos.net/