jcharts-users — For users of jCharts

[jCharts-users] AxisValueRenderEvent

[Lora L. <Lor...@sa...>]

Does anyone have an example of the AxisValueRenderEvent that they would =
be willing to share? I am trying to understand how it should be used.

Thank you,
Lora Lantzy

Re: [jCharts-users] Example of our modifications to jCharts

[Travis R. <tra...@ec...>]

Can you make a release package with these features?  Those 3d bar charts 
look great!

Travis

Chris McKay wrote:

>Hi,
>
>Here's a couple of examples of additions and modifications we have made
>over the last year to jCharts.
>
>Basically we did the following:
>
>3d stacked bar
>Angled x-axis labels
>Dual y-axis (reworked the previously submitted patch)
>Over and under bars (the change in bar and line color was done with
>existing post event renderers, although we had to add that support into
>a few existing charts)
>
>There's a few hideous hacks in there as well (the no fill symbols on the
>lines for example)
>
>Also did a rework on the pie labelling as well so pie labels were lined
>up.
>
>And possibly some other things that have slipped my mine. The charts
>have been in production for about six months now, getting a good work
>out with a fairly large set of datasets.
>
>I think what I'll do is run some CVS diffs on the current 1.0 CVS tree
>and then submit them to the patches directory. Then if there is time and
>Nathaniel is cool about it I can commit to the 1.0 tree.
>
>C
>  
>
>
> ------------------------------------------------------------------------
>
>
> ------------------------------------------------------------------------
>

Re: [jCharts-users] Example of our modifications to jCharts

[Nathaniel G. A. <nat...@ya...>]

wow that is sweet!

Would you mind integrating that into the krysalis-jcharts module?



--- Chris McKay <ch...@de...> wrote:
> Hi,
> 
> Here's a couple of examples of additions and modifications we have made
> over the last year to jCharts.
> 
> Basically we did the following:
> 
> 3d stacked bar
> Angled x-axis labels
> Dual y-axis (reworked the previously submitted patch)
> Over and under bars (the change in bar and line color was done with
> existing post event renderers, although we had to add that support into
> a few existing charts)
> 
> There's a few hideous hacks in there as well (the no fill symbols on the
> lines for example)
> 
> Also did a rework on the pie labelling as well so pie labels were lined
> up.
> 
> And possibly some other things that have slipped my mine. The charts
> have been in production for about six months now, getting a good work
> out with a fairly large set of datasets.
> 
> I think what I'll do is run some CVS diffs on the current 1.0 CVS tree
> and then submit them to the patches directory. Then if there is time and
> Nathaniel is cool about it I can commit to the 1.0 tree.
> 
> C
> 

> ATTACHMENT part 2 image/png name=stacked3d.png


> ATTACHMENT part 3 image/png name=forecast.png




	
		
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[jCharts-users] Re: Example of our modifications to jCharts

[Nicola K. B. <nic...@ap...>]

Chris McKay wrote:
...
> And possibly some other things that have slipped my mine. The charts
> have been in production for about six months now, getting a good work
> out with a fairly large set of datasets.

Very nice! :-)

> I think what I'll do is run some CVS diffs on the current 1.0 CVS tree
> and then submit them to the patches directory. Then if there is time and
> Nathaniel is cool about it I can commit to the 1.0 tree.

jCharts is part of Krsyalis, and thus should adhere to its rules, which 
are similar to the ones used at Apache:

http://www.krysalis.org/constitution.html

Because of this, new members have to be voted in by existing committers.

In any case, if you are willing to become a committer, I think we would 
all be happy to vote you in :-)

-- 
Nicola Ken Barozzi                   nic...@ap...
             - verba volant, scripta manent -
    (discussions get forgotten, just code remains)
---------------------------------------------------------------------

[jCharts-users] Example of our modifications to jCharts

[Chris M. <ch...@de...>]

Hi,

Here's a couple of examples of additions and modifications we have made
over the last year to jCharts.

Basically we did the following:

3d stacked bar
Angled x-axis labels
Dual y-axis (reworked the previously submitted patch)
Over and under bars (the change in bar and line color was done with
existing post event renderers, although we had to add that support into
a few existing charts)

There's a few hideous hacks in there as well (the no fill symbols on the
lines for example)

Also did a rework on the pie labelling as well so pie labels were lined
up.

And possibly some other things that have slipped my mine. The charts
have been in production for about six months now, getting a good work
out with a fairly large set of datasets.

I think what I'll do is run some CVS diffs on the current 1.0 CVS tree
and then submit them to the patches directory. Then if there is time and
Nathaniel is cool about it I can commit to the 1.0 tree.

C

Re: [jCharts-users] help with x axis

[Travis R. <tra...@ec...>]

That would be a nice feature, I have the same problem with long X axis te=
xt.

Travis

Nathan Feger wrote:

>I am working on replacing kavachart with jcharts since the jcharts look
>fantastically better, as well as as just much easier to design.  Anyway =
I
>have this (included).  However, I would like to angle the x-axis text at=
 45
>degrees instead of simply rotating it vertically. =20
>
>Are there any plans for this?
>
>Or perhaps in the interrim I could turn this into a legend on the right,=
 and
>let the graph span the vetical space uninhibitted.
>
>Thanks,
>Nathan
>
>
>
>NOTICE: This message and any information, files or materials sent with m=
ay contain confidential and proprietary information or material of the se=
nder, the recipient(s) or others, or information or material covered by t=
he attorney-client privilege, attorney work product privilege, or other a=
pplicable privilege.  If you are not a named recipient or if you have rec=
eived this message in error, please notify the sender immediately by retu=
rn email, delete this email from your system, and do not disclose the con=
tents of this transmission to any other person, use this transmission or =
any of its contents for any purpose, or further copy its contents.  Perso=
ns communicating with Works Operating Company, any of its affiliated comp=
anies, or any of their respective representatives by electronic means are=
 advised and agree that such communications are reviewed for harmful or o=
bjectionable content or material.
>
>
> -----------------------------------------------------------------------=
-
>

RE: [jCharts-users] help with x axis

[Nathan F. <nf...@Wo...>]

as I was thinking about it, it would be nice if instead of having the
setVertialTextRotation(true) or whatever, there could be a
setTestRotation(double) which would also let you rotate the vertical text in
the opposite direction.  

It may be the case that some rotations just looked crappy in which case
perhaps having some constants to pass in {0, 45, 90, 135, 180, 225, 270,
315, 360} would solve the same problem.

Thanks,
nathan

> -----Original Message-----
> From: Nathaniel G. Auvil [mailto:nat...@ya...]
> Sent: Wednesday, May 19, 2004 10:02 AM
> To: jch...@li...
> Subject: Re: [jCharts-users] help with x axis
> 
> 
> 
> I think there was some thought around this at one time...to 
> allow arbitrary rotations, but i seem
> to remember there being some issues with it.  I will see if I 
> can remember what the issues were...
> 
> 
> 
> --- Nathan Feger <nf...@Wo...> wrote:
> > I am working on replacing kavachart with jcharts since the 
> jcharts look
> > fantastically better, as well as as just much easier to 
> design.  Anyway I
> > have this (included).  However, I would like to angle the 
> x-axis text at 45
> > degrees instead of simply rotating it vertically.  
> > 
> > Are there any plans for this?
> > 
> > Or perhaps in the interrim I could turn this into a legend 
> on the right, and
> > let the graph span the vetical space uninhibitted.
> > 
> > Thanks,
> > Nathan
> > 
> > 
> > 
> > NOTICE: This message and any information, files or 
> materials sent with may contain confidential
> > and proprietary information or material of the sender, the 
> recipient(s) or others, or
> > information or material covered by the attorney-client 
> privilege, attorney work product
> > privilege, or other applicable privilege.  If you are not a 
> named recipient or if you have
> > received this message in error, please notify the sender 
> immediately by return email, delete
> > this email from your system, and do not disclose the 
> contents of this transmission to any other
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> Company, any of its affiliated companies,
> > or any of their respective representatives by electronic 
> means are advised and agree that such
> > communications are reviewed for harmful or objectionable 
> content or material.
> 
> > ATTACHMENT part 2 image/jpeg name=test_image.jpg
> 
> 
> 
> 
> 	
> 		
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NOTICE: This message and any information, files or materials sent with may contain confidential and proprietary information or material of the sender, the recipient(s) or others, or information or material covered by the attorney-client privilege, attorney work product privilege, or other applicable privilege.  If you are not a named recipient or if you have received this message in error, please notify the sender immediately by return email, delete this email from your system, and do not disclose the contents of this transmission to any other person, use this transmission or any of its contents for any purpose, or further copy its contents.  Persons communicating with Works Operating Company, any of its affiliated companies, or any of their respective representatives by electronic means are advised and agree that such communications are reviewed for harmful or objectionable content or material.

Re: [jCharts-users] help with x axis

[Nathaniel G. A. <nat...@ya...>]

I think there was some thought around this at one time...to allow arbitrary rotations, but i seem
to remember there being some issues with it.  I will see if I can remember what the issues were...



--- Nathan Feger <nf...@Wo...> wrote:
> I am working on replacing kavachart with jcharts since the jcharts look
> fantastically better, as well as as just much easier to design.  Anyway I
> have this (included).  However, I would like to angle the x-axis text at 45
> degrees instead of simply rotating it vertically.  
> 
> Are there any plans for this?
> 
> Or perhaps in the interrim I could turn this into a legend on the right, and
> let the graph span the vetical space uninhibitted.
> 
> Thanks,
> Nathan
> 
> 
> 
> NOTICE: This message and any information, files or materials sent with may contain confidential
> and proprietary information or material of the sender, the recipient(s) or others, or
> information or material covered by the attorney-client privilege, attorney work product
> privilege, or other applicable privilege.  If you are not a named recipient or if you have
> received this message in error, please notify the sender immediately by return email, delete
> this email from your system, and do not disclose the contents of this transmission to any other
> person, use this transmission or any of its contents for any purpose, or further copy its
> contents.  Persons communicating with Works Operating Company, any of its affiliated companies,
> or any of their respective representatives by electronic means are advised and agree that such
> communications are reviewed for harmful or objectionable content or material.

> ATTACHMENT part 2 image/jpeg name=test_image.jpg




	
		
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[jCharts-users] help with x axis

[Nathan F. <nf...@Wo...>]

I am working on replacing kavachart with jcharts since the jcharts look
fantastically better, as well as as just much easier to design.  Anyway I
have this (included).  However, I would like to angle the x-axis text at 45
degrees instead of simply rotating it vertically.  

Are there any plans for this?

Or perhaps in the interrim I could turn this into a legend on the right, and
let the graph span the vetical space uninhibitted.

Thanks,
Nathan



NOTICE: This message and any information, files or materials sent with may contain confidential and proprietary information or material of the sender, the recipient(s) or others, or information or material covered by the attorney-client privilege, attorney work product privilege, or other applicable privilege.  If you are not a named recipient or if you have received this message in error, please notify the sender immediately by return email, delete this email from your system, and do not disclose the contents of this transmission to any other person, use this transmission or any of its contents for any purpose, or further copy its contents.  Persons communicating with Works Operating Company, any of its affiliated companies, or any of their respective representatives by electronic means are advised and agree that such communications are reviewed for harmful or objectionable content or material.

Re: [jCharts-users] Re: 3d charts (Travis Reeder)

[Nathaniel G. A. <nat...@ya...>]

I have been so busy with work and trying to start a business that i have not had much time to work
on that next release.  However, that business venture has unfortunately withered away <sigh...> so
my energies are coming back to jCharts development!

I think we should narrow the scope a bit and get something out of the door sooner rather than
later. I would like to see an alpha of 1.0 soon, although the documentation is going to be a bit
behind on that.

We, at least I, need help in understanding how some of these new chart types people have been
asking for work, ie how to calculate and display.



--- Travis Reeder <tra...@ec...> wrote:
> Hi Chris,
> 
> Thanks for the offer, but I think I'll wait for an official release to 
> use the 3d charts.  Any estimate on the release that will have these BTW?
> 
> Travis
> 
> Chris McKay wrote:
> 
> >We've done 3d stacked bar charts if you're interested, I haven't as yet
> >placed in on sourceforge but I can send you a copy if you would like.
> >
> >C
> >
> >Date: Tue, 18 May 2004 11:13:15 -0600
> >From: Travis Reeder <tra...@ec...>
> >To:  jch...@li...
> >Subject: [jCharts-users] 3d charts
> >Reply-To: jch...@li...
> >
> >
> >Is there anyway to do 3d charts, couldn't see it in the user guide?
> >
> >Travis
> >
> >
> >
> >
> >-------------------------------------------------------
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> >https://lists.sourceforge.net/lists/listinfo/jcharts-users
> >
> >.
> >
> >  
> >
> 



	
		
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Re: [jCharts-users] Re: 3d charts (Travis Reeder)

[Travis R. <tra...@ec...>]

Hi Chris,

Thanks for the offer, but I think I'll wait for an official release to 
use the 3d charts.  Any estimate on the release that will have these BTW?

Travis

Chris McKay wrote:

>We've done 3d stacked bar charts if you're interested, I haven't as yet
>placed in on sourceforge but I can send you a copy if you would like.
>
>C
>
>Date: Tue, 18 May 2004 11:13:15 -0600
>From: Travis Reeder <tra...@ec...>
>To:  jch...@li...
>Subject: [jCharts-users] 3d charts
>Reply-To: jch...@li...
>
>
>Is there anyway to do 3d charts, couldn't see it in the user guide?
>
>Travis
>
>
>
>
>-------------------------------------------------------
>This SF.Net email is sponsored by: SourceForge.net Broadband
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>
>.
>
>  
>

Re: [jCharts-users] 3d charts

[Travis R. <tra...@ec...>]

Cool!  Looking good.

Travis

Nathaniel G. Auvil wrote:

>There is code under the krysalis-jcharts module in CVS which is the next release.
>
>http://jcharts.sourceforge.net/samples/pie3d.html
>
>
>--- Travis Reeder <tra...@ec...> wrote:
>  
>
>>Is there anyway to do 3d charts, couldn't see it in the user guide?
>>
>>Travis
>>
>>
>>    
>>
>
>
>
>	
>		
>__________________________________
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>-------------------------------------------------------
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>
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>  
>

RE: [jCharts-users] Performance

[Ducret, G. (MSCI) <Gil...@ms...>]

If you want you can check on my web site:
=20
http://www.monentrainement.com, enter the demo by clicking on the "ici"
orange link.
Then select "Demonstration" link, then clic on the "Statistiques"
button, and then
the "Graphic" link.
=20
You will then see many graphs, dynamically generated on the screen.
=20
My opinion is that it is quite fast regarding the volume of data.
=20
Regards
=20
Gilles

  _____ =20

From: jch...@li...
[mailto:jch...@li...] On Behalf Of Travis
Reeder
Sent: Friday, May 14, 2004 2:49 AM
To: jch...@li...
Subject: Re: [jCharts-users] Performance


Interesting.  So based on that, it may not be the best choice for a
heavily used web app, say if you had several charts on each page, then
the page would take fairly long (in web terms) to load since it takes
over a second at best to create a chart?  Would be nice to allow the
actual chart drawing to be done on the client somehow, guess that might
have to be flash.  Or can SVG do that?

Travis

Nathaniel G. Auvil wrote:


	try this message:
=09
	http://sourceforge.net/mailarchive/message.php?msg_id=3D5974726
=09
=09
=09
	--- Travis Reeder <tra...@ec...> wrote:
	 =20

		I am just wondering if anybody could shed some light on
the performance=20
		of jcharts.  We are considering using it for creating
dynamic charts in=20
		a fairly heavily used web application so I need to know
how resource=20
		intense it is to create image reports (gif/jpg). =20
	=09
		Thanks in advance.
	=09
		Travis Reeder
		Ecommstats Web Analytics
	=09
		   =20

=09
=09
=09
	=09
		=09
	__________________________________
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	Yahoo! Movies - Buy advance tickets for 'Shrek 2'
	http://movies.yahoo.com/showtimes/movie?mid=3D1808405861=20
=09
=09
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	Sign-up now for SourceForge Broadband and get the fastest
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=09
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[jCharts-users] Re: 3d charts (Travis Reeder)

[Chris M. <ch...@de...>]

We've done 3d stacked bar charts if you're interested, I haven't as yet
placed in on sourceforge but I can send you a copy if you would like.

C

Date: Tue, 18 May 2004 11:13:15 -0600
From: Travis Reeder <tra...@ec...>
To:  jch...@li...
Subject: [jCharts-users] 3d charts
Reply-To: jch...@li...


Is there anyway to do 3d charts, couldn't see it in the user guide?

Travis

Re: [jCharts-users] 3d charts

[Nathaniel G. A. <nat...@ya...>]

There is code under the krysalis-jcharts module in CVS which is the next release.

http://jcharts.sourceforge.net/samples/pie3d.html


--- Travis Reeder <tra...@ec...> wrote:
> Is there anyway to do 3d charts, couldn't see it in the user guide?
> 
> Travis
> 
> 



	
		
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[jCharts-users] 3d charts

[Travis R. <tra...@ec...>]

Is there anyway to do 3d charts, couldn't see it in the user guide?

Travis

Re: [jCharts-users] Re: Performance

[Travis R. <tra...@ec...>]

Ok, good to know.  I'll do what the last email said about doing a mockup 
and see how it feels and let y'all know how it goes.

Travis

Chris McKay wrote:

>Speaking as the author of the message about performance details what
>those results meant was don't run a heavily used web app on a PIII with
>500Mb of memory and Oracle and iPlanet LDAP running at the same time ...
>
>The production figures (dual Xeon, 4Gb) showed 7 charts a second being
>generated. Our extranet web app (not heavily used in terms of hits per
>second) has pages that display 30 pie charts at a time. You can beat the
>draw speed with a scrollbar but they fill in pretty quickly.
>
>The other thing the performance figures show is that jCharts is one of
>the faster Java charting engines (versus jFreeCharts and a commercial
>package)
>
>Chris
>
>  
>
>>Interesting.  So based on that, it may not be the best choice for a 
>>heavily used web app, say if you had several charts on each page, then 
>>the page would take fairly long (in web terms) to load since it takes 
>>over a second at best to create a chart?  Would be nice to allow the 
>>actual chart drawing to be done on the client somehow, guess that might
>>    
>>
>
>  
>
>>have to be flash.  Or can SVG do that?
>>    
>>
>
>
>
>
>-------------------------------------------------------
>This SF.Net email is sponsored by: SourceForge.net Broadband
>Sign-up now for SourceForge Broadband and get the fastest
>6.0/768 connection for only $19.95/mo for the first 3 months!
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>_______________________________________________
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>jCh...@li...
>https://lists.sourceforge.net/lists/listinfo/jcharts-users
>
>.
>
>  
>

[jCharts-users] Re: Performance

[Chris M. <ch...@de...>]

Speaking as the author of the message about performance details what
those results meant was don't run a heavily used web app on a PIII with
500Mb of memory and Oracle and iPlanet LDAP running at the same time ...

The production figures (dual Xeon, 4Gb) showed 7 charts a second being
generated. Our extranet web app (not heavily used in terms of hits per
second) has pages that display 30 pie charts at a time. You can beat the
draw speed with a scrollbar but they fill in pretty quickly.

The other thing the performance figures show is that jCharts is one of
the faster Java charting engines (versus jFreeCharts and a commercial
package)

Chris

>Interesting.  So based on that, it may not be the best choice for a 
>heavily used web app, say if you had several charts on each page, then 
>the page would take fairly long (in web terms) to load since it takes 
>over a second at best to create a chart?  Would be nice to allow the 
>actual chart drawing to be done on the client somehow, guess that might

>have to be flash.  Or can SVG do that?

Re: [jCharts-users] Performance

[Nathaniel G. A. <nat...@ya...>]

depends on how large the images are, how large the datasets are, etc... there are many things
which go into the performance of generating a chart. A second or two in my experiences is nothing
to worry about. I would recommend mocking up a page or two to see what it really feels like and
then decide if you need to use another technology which requires additional software to be
installed on the client.

Could always use an Applet...


--- Travis Reeder <tra...@ec...> wrote:
> Interesting.  So based on that, it may not be the best choice for a 
> heavily used web app, say if you had several charts on each page, then 
> the page would take fairly long (in web terms) to load since it takes 
> over a second at best to create a chart?  Would be nice to allow the 
> actual chart drawing to be done on the client somehow, guess that might 
> have to be flash.  Or can SVG do that?
> 
> Travis
> 
> Nathaniel G. Auvil wrote:
> 
> >try this message:
> >
> >http://sourceforge.net/mailarchive/message.php?msg_id=5974726
> >
> >
> >
> >--- Travis Reeder <tra...@ec...> wrote:
> >  
> >
> >>I am just wondering if anybody could shed some light on the performance 
> >>of jcharts.  We are considering using it for creating dynamic charts in 
> >>a fairly heavily used web application so I need to know how resource 
> >>intense it is to create image reports (gif/jpg).  
> >>
> >>Thanks in advance.
> >>
> >>Travis Reeder
> >>Ecommstats Web Analytics
> >>
> >>    
> >>
> >
> >
> >
> >	
> >		
> >__________________________________
> >Do you Yahoo!?
> >Yahoo! Movies - Buy advance tickets for 'Shrek 2'
> >http://movies.yahoo.com/showtimes/movie?mid=1808405861 
> >
> >
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Re: [jCharts-users] Performance

[Travis R. <tra...@ec...>]

Interesting.  So based on that, it may not be the best choice for a 
heavily used web app, say if you had several charts on each page, then 
the page would take fairly long (in web terms) to load since it takes 
over a second at best to create a chart?  Would be nice to allow the 
actual chart drawing to be done on the client somehow, guess that might 
have to be flash.  Or can SVG do that?

Travis

Nathaniel G. Auvil wrote:

>try this message:
>
>http://sourceforge.net/mailarchive/message.php?msg_id=5974726
>
>
>
>--- Travis Reeder <tra...@ec...> wrote:
>  
>
>>I am just wondering if anybody could shed some light on the performance 
>>of jcharts.  We are considering using it for creating dynamic charts in 
>>a fairly heavily used web application so I need to know how resource 
>>intense it is to create image reports (gif/jpg).  
>>
>>Thanks in advance.
>>
>>Travis Reeder
>>Ecommstats Web Analytics
>>
>>    
>>
>
>
>
>	
>		
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Re: [jCharts-users] Performance

[Nathaniel G. A. <nat...@ya...>]

try this message:

http://sourceforge.net/mailarchive/message.php?msg_id=5974726



--- Travis Reeder <tra...@ec...> wrote:
> I am just wondering if anybody could shed some light on the performance 
> of jcharts.  We are considering using it for creating dynamic charts in 
> a fairly heavily used web application so I need to know how resource 
> intense it is to create image reports (gif/jpg).  
> 
> Thanks in advance.
> 
> Travis Reeder
> Ecommstats Web Analytics
> 



	
		
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[jCharts-users] Performance

[Travis R. <tra...@ec...>]

I am just wondering if anybody could shed some light on the performance 
of jcharts.  We are considering using it for creating dynamic charts in 
a fairly heavily used web application so I need to know how resource 
intense it is to create image reports (gif/jpg).  

Thanks in advance.

Travis Reeder
Ecommstats Web Analytics

[jCharts-users] Re: Axis Label Grouping

[Uwe S. <uwe...@xa...>]

Nathaniel G. Auvil <nathaniel_auvil <at> yahoo.com> writes:
> I can not see a way to accomplish this out of the box.  But...that is the 
beauty of open source,
> you have the source and can modify it to do exactly what you want it to do.

I'll have to do so. Thank you, anyway :o)

Re: [jCharts-users] Renering A Chart Within A Tab

[Nathaniel G. A. <nat...@ya...>]

make sure you are passing the reference to that Panels Graphics Object and not the top level
Containers.


--- Eric Atkinson <atk...@iw...> wrote:
> 
> I am trying to render a chart to tab panel; however, it draws the chart not within the tab panel
> itself but as an overlay to the entire application. Anyone understandwhat I'm doing wrong?
> 
> 
> 
> 
> 
> 
> 
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[jCharts-users] Renering A Chart Within A Tab

[Eric A. <atk...@iw...>]

I am trying to render a chart to tab panel; however, it draws the chart not within the tab panel itself but as an overlay to the entire application. Anyone understandwhat I'm doing wrong?







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