RE: [flexcoders] Large XML data binding to FLEX Chart

Wed, 29 Mar 2006 00:19:19 -0800

Thanks alot Matt.

I had checked also linerealtime.mxml which says "In a real life scenario, you could poll the server here, or use an XMLSocket or Flash Communication Server approach to push data from the server to the client."  Can you elaborate more on XMLsocket and how it works?


I will try out HTTPService with e4x.  But I think using paged remote data providers may be a better technique for my case.  This could provide better streaming-like behavior.

Matt Chotin <[EMAIL PROTECTED]> wrote:
E4X has an xpath like syntax which may be better for you.  Check out the
XMLListCollection as something you can assign into a chart and the e4x
operators to build the right list.  Make sure resultFormat="e4x" on the
HTTPService, it might improve performance.

Matt

-----Original Message-----
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of seethinglong
Sent: Monday, March 20, 2006 11:14 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Large XML data binding to FLEX Chart

Hi all,
I am newbie trying to use FLEX to build chart apps but I experience
huge problem when the data source in URL from local hard drive is
around 6MB (request through mx:HTTPService).

Firefox 1.5, Windows XP with adobe FES had failed totally and the
memory/IO writes reached almost 1GB/50k before firefox crashed.

Later I try with pre-compiled flash with tomcat apache, the charts
work work sluggishly.

I would like to know is there any binding mechanism that can stream
the XML data over through HTTP?  Something like active stream format
for movie/sound.

Is FLEX chart support JXPATH/XSLT?  I would like to build a Flex chart
that allows user to enter XPATH/XSLT and produce the chart dynamically.

Thanks for your patience in the reading.  Meanwhile I am finding the
answer myself reading the help documents provided.







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