Brendan,

I think that I understand what you're talking about.  Just two questions.  
What's "0" data?  Is that just data with a value of zero?  Also, how do I get 
the line chart to ignore zero data?

Thanks,
Geoff

--- In flexcoders@yahoogroups.com, Brendan Meutzner <bmeutzner@...> wrote:
>
> Geoff,
> 
> You can create a large dataset with empty, or 0 values, for your Y Axis.
>  Then when you populate data from your service, add/append those values to
> the end of your dataset, while removing an equal number of empty values
> from the beginning of the dataset.  If you've created an ArrayCollection of
> these values, then via binding, it will update the chart automatically as
> you add/remove values to/from this collection.  Have your line chart ignore
> 0 values and the line won't draw at the beginning, and only begin drawing
> on the right where you've started populating data.
> 
> Continue this process as you receive data, and eventually you will have a
> full dataset, and as you continue to add/remove values, your full chart
> line will continue updating appearing to move from right to left.
> 
> Does all this make sense?  I've used a Mac for years now, so I'm pulling
> from memory what the task manager charts look like, but I think this is
> accurate.
> 
> Let me know if you need any clarification on the method I'm suggesting
> above.
> 
> 
> Brendan
> 
> 
> On Wed, Feb 15, 2012 at 12:06 PM, gtb104 <gtb104@...> wrote:
> 
> > **
> >
> >
> > Rishi,
> >
> > Sorry, but I don't see how that example fulfills my request. What I'm
> > trying to show is basically volume over time. The x axis is time, the y
> > axis is volume. The chart will be feed from BlazeDS messages that will be
> > coming in around once per second. I'd like to plot the volume data points
> > from right to left, like how the Task Manager plots CPU performance. I'm
> > hoping this clarifies my need.
> >
> > Thanks,
> > Geoff
> >
> > --- In flexcoders@yahoogroups.com, "Tandon, Rishi" <rishitandon123@>
> > wrote:
> > >
> > > Geoff, you can  check the Stock chart from amcharts
> > > http://flex.amcharts.com/examples/stock_chart_exampleÂ
> > >
> > >
> > > Regards,
> > > Rishi Tandon
> > >
> > >
> > > ________________________________
> > > From: gtb104 <gtb104@>
> >
> > > To: flexcoders@yahoogroups.com
> > > Sent: Wednesday, February 15, 2012 8:30 PM
> > > Subject: [flexcoders] Line Chart like Task Manager
> > >
> > >
> > > Â
> > > I'm looking to make a line chart that looks similar to Windows Task
> > Manager (data comes in from right to left for a fixed period of time).
> > Looking at the API, it doesn't appear that the LineChart natively supports
> > that, and I couldn't find any 3rd party libraries that already do that.
> > Does anyone have any ideas?
> > >
> > > Thanks,
> > > Geoff
> > >
> >
> >  
> >
>


Reply via email to