jcharts-users — For users of jCharts

[jCharts-users] Query:Reg Dynamic plotting of graph

[kavitha d. <ka...@ya...>]

Hi ,
     My present requisite is to dynamically draw charts with the input given in a JSP page.Is it possible to do the same in JCharts instead of coding the values in source.
   
   
  Please help me.It's urgent.
   
  Regards,
  Kaprade.

				
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[jCharts-users] Charting 0 data

[Bao Le <ba...@co...>]

I have a chart that has a range from 0 to 100, and all of the data of 
the chart is 0.  The problem is that the line that graphs the "0" data 
is painting behind the x-axis.  Is there a known issue/fix for this?  I 
am currently using version 0.7.5.  Thanks.

Bao Le

[jCharts-users] Olivier Dugast/HO/VERITAS is out of the office.

[<oli...@bu...>]

I will be out of the office starting  23/12/2005 and will not return un=
til
20/07/2007.

I've left Bureau Veritas since 23/12/2005
Please contact Emmanuel Laurain


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[jCharts-users] Hi

[chinni b. <chi...@ya...>]

Hi All
   
  I got a small problem in jCharts...please help meeeeeee...
   
  i am using this for plotting Percentage of Success vs Date of some job
   
  here y axis is Percentage of Success which can not be more than 100%
   
  even if no data exceeding 100% my y-axis in the generated chart is showing 
   
  scale beyond 100 ....here i am pasting the graph
   
   
   
  
   
   
   
  u can see in above graph that my y-axix is exceeding 100...i even tried to  change the ChartScale.java file for ymax for hard coding it as 100...but that didnot work....may be i have to change some other file also....
   
   
  GUYS PLEASE HELP....I WOULD REALLY APPRECIATE YOUR SUGGESTIONS...
   
   
  Looking Forward for ur reply...


REGARDS
CHINNI.
		
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[jCharts-users] handling events on stock Charts using jcharts

[E.othman <oth...@me...>]

Hi Guys,

I'm new to jcharts and i'm trying to use it in a java applet.

what I need is to be able to have an Interactive stockChart so when user 
clicks with the mouse on the chart then it will get the corresponding 
x-axis value and draw a vertical line for this x value.
I think this could be acheived using event handlings but not quit sure.

is there a way to implement this functionality ?

thanks for helping.

[jCharts-users] display only selected Y axis labels

[Amit G. <a....@ni...>]

 Hi,=20
I have 288 bars in my single bar chart and I only want to display 24 =
axis labels. ( I mean I have 288 bars and want to show only 24 labels)
I guess there is a compulsion to show labels equal to data series.=20
How can I set the labels so that they will not overlap.=20
Plz reply as soon as possible.=20
Amit

[jCharts-users] Line Chart Example

[Dan <pop...@ho...>]

Hello everyone,

I was writing my 1st line chart java class by copy-pasting most of the code 
on the line chart example. I got an error when defining instantiating 
AxisChart :
AxisChart axisChart= new AxisChart( dataSeries, chartProperties, 
axisProperties, legendProperties, AxisCharts.width, AxisCharts.height );

But there are no width/height properties defined for AxisChart. Though they 
exists as private properties in its superclass. I cant compile my code.

I would greatly appriciate any help/advice.

TIA,
Dan

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Re: [jCharts-users] java.lang.NoClassDefFoundError: javax/servlet/ServletOutputStream

[juhani <ju...@ya...>]

There was prolem with multible jCharts-0.7.5.jar in classpath. Now it's
working =)

--- juhani <ju...@ya...> wrote:
> Hi,
> 
> just trying to deploy jChartsServletExamples.war on jCharts 0.7.5, JDK 
> 1.5
> and Tomcat 5.5.9 (without modifications).
> http://localhost:8080/jChartsServletExamples/ is ok but all links cause
> exception:
> 
> java.lang.NoClassDefFoundError: javax/servlet/ServletOutputStream
>         at
> org.jCharts.demo.simpleServlet.PieChart2DServlet.service(Unknown 
> Source)
> - -
> 
> What might be wrong?
> 
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[jCharts-users] java.lang.NoClassDefFoundError: javax/servlet/ServletOutputStream

[juhani <ju...@ya...>]

Hi,

just trying to deploy jChartsServletExamples.war on jCharts 0.7.5, JDK 
1.5
and Tomcat 5.5.9 (without modifications).
http://localhost:8080/jChartsServletExamples/ is ok but all links cause
exception:

java.lang.NoClassDefFoundError: javax/servlet/ServletOutputStream
        at
org.jCharts.demo.simpleServlet.PieChart2DServlet.service(Unknown 
Source)
- -

What might be wrong?

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[jCharts-users] java.lang.NoClassDefFoundError: javax/servlet/ServletOutputStream

[juhani <ju...@ya...>]

Hi,

just trying to deploy jChartsServletExamples.war on jCharts 0.7.5, JDK 1.5
and Tomcat 5.5.9 (without modifications).
http://localhost:8080/jChartsServletExamples/ is ok but all links cause
exception:

java.lang.NoClassDefFoundError: javax/servlet/ServletOutputStream
        at
org.jCharts.demo.simpleServlet.PieChart2DServlet.service(Unknown Source)
- -

What might be wrong?


		
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Re: [jCharts-users] Is JCharts Apache or BSD license

[Peter L. <wo...@gm...>]

thanks nathaniel. the users of jmeter thank you.


peter


On 9/11/05, Nathaniel G. Auvil <nat...@ya...> wrote:
>=20
>=20
> including the jar is okay. The licesnse is compatible with both.
>=20
>=20
> --- Peter Lin <wo...@gm...> wrote:
>=20
> > I'm trying to figure out exactly which license JChart uses. On the=20
> krysalis
> > website it says it's apache style, but the sourceforge page says BSD.
> >
> > I would like to use JCharts in jakarta JMeter and include the jar. Can=
=20
> one
> > of the developers respond with a confirmation of the license and if
> > including the jar is OK.
> >
> > thanks
> >
> > peter lin
> >
>=20
>=20
>=20
>=20
>=20
> ______________________________________________________
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Re: [jCharts-users] Is JCharts Apache or BSD license

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

including the jar is okay.  The licesnse is compatible with both.


--- Peter Lin <wo...@gm...> wrote:

> I'm trying to figure out exactly which license JChart uses. On the krysalis 
> website it says it's apache style, but the sourceforge page says BSD. 
> 
> I would like to use JCharts in jakarta JMeter and include the jar. Can one 
> of the developers respond with a confirmation of the license and if 
> including the jar is OK.
> 
> thanks
> 
> peter lin
> 



	
		
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[jCharts-users] Is JCharts Apache or BSD license

[Peter L. <wo...@gm...>]

I'm trying to figure out exactly which license JChart uses. On the krysalis=
=20
website it says it's apache style, but the sourceforge page says BSD.=20

I would like to use JCharts in jakarta JMeter and include the jar. Can one=
=20
of the developers respond with a confirmation of the license and if=20
including the jar is OK.

thanks

peter lin

[jCharts-users] help - quartiles graph - How?

[Santiago F. <SFR...@pe...>]

Please, I need to make a quartiles graph but I don=B4t know if jcharts=20
support this type of Graph.
Can anybody help me please?
Thanks
Santiago

[jCharts-users] Samples ...

[<duv...@ya...>]

In the sample code provided there is a class : UserGuideBase
Can someone tell me where it is located ... ?

Tia,

\T,

Any fool can write code that a computer can understand. 
Good programmers write code that humans can understand.
                                                   Martin Fowler 
T. : +32 (0)2 742 05 94
M. : +32 (0)497 44 68 12

[jCharts-users] Re: how to use jcharts ?

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

Tianyi Wang wrote:
> hi:
> 
>   i just install the demo with tomcat, it's can display the http://127.0.0.1:8080/jChartsServletExamples/index.html 
> 
>   but when i change the code, i reload the pages in brower, it's don't display the changes.

I don't know this, but...

>   i want to compile the PieChart2DServlet.java
> 
>   but when i use the command:
> javac org\jCharts\demo\simpleServlet\PieChart2DServlet.java
> 
>   it's tell me 18 errors
...
> how can i do with it?

...this is basic Java, you have to put the jcharts jar in the classpath.
To do this, read about it on the java.sun.com or in the JDK documentation.

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

[jCharts-users] how to use jcharts ?

[Tianyi W. <wan...@ca...>]

hi:

  i just install the demo with tomcat, it's can display the http://127.0.0.1:8080/jChartsServletExamples/index.html 

  but when i change the code, i reload the pages in brower, it's don't display the changes.

  i want to compile the PieChart2DServlet.java

  but when i use the command:
javac org\jCharts\demo\simpleServlet\PieChart2DServlet.java

  it's tell me 18 errors

  this is the errors info:

org\jCharts\demo\simpleServlet\PieChart2DServlet.java:43: package org.jCharts.chartData does not exist
import org.jCharts.chartData.ChartDataException;
                             ^
org\jCharts\demo\simpleServlet\PieChart2DServlet.java:44: package org.jCharts.chartData does not exist
import org.jCharts.chartData.PieChartDataSet;
                             ^
org\jCharts\demo\simpleServlet\PieChart2DServlet.java:45: package org.jCharts.encoders does not exist
import org.jCharts.encoders.ServletEncoderHelper;
                            ^
org\jCharts\demo\simpleServlet\PieChart2DServlet.java:46: package org.jCharts.nonAxisChart does not exist
import org.jCharts.nonAxisChart.PieChart2D;
                                ^
org\jCharts\demo\simpleServlet\PieChart2DServlet.java:47: package org.jCharts.properties does not exist
import org.jCharts.properties.*;
^
org\jCharts\demo\simpleServlet\PieChart2DServlet.java:58: cannot resolve symbol
symbol  : class PieChart2DProperties
location: class org.jCharts.demo.simpleServlet.PieChart2DServlet
        private PieChart2DProperties properties;
                ^
org\jCharts\demo\simpleServlet\PieChart2DServlet.java:59: cannot resolve symbol
symbol  : class LegendProperties
location: class org.jCharts.demo.simpleServlet.PieChart2DServlet
        private LegendProperties legendProperties;
                ^
org\jCharts\demo\simpleServlet\PieChart2DServlet.java:60: cannot resolve symbol
symbol  : class ChartProperties
location: class org.jCharts.demo.simpleServlet.PieChart2DServlet
        private ChartProperties chartProperties;
                ^
org\jCharts\demo\simpleServlet\PieChart2DServlet.java:105: cannot resolve symbol
symbol  : class PieChartDataSet
location: class org.jCharts.demo.simpleServlet.PieChart2DServlet
        private PieChartDataSet getData() throws ChartDataException
                ^
org\jCharts\demo\simpleServlet\PieChart2DServlet.java:105: cannot resolve symbol
symbol  : class ChartDataException
location: class org.jCharts.demo.simpleServlet.PieChart2DServlet
        private PieChartDataSet getData() throws ChartDataException
                                                 ^
org\jCharts\demo\simpleServlet\PieChart2DServlet.java:72: cannot resolve symbol
symbol  : class PieChart2DProperties
location: class org.jCharts.demo.simpleServlet.PieChart2DServlet
                this.properties = new PieChart2DProperties();
                                      ^
org\jCharts\demo\simpleServlet\PieChart2DServlet.java:74: cannot resolve symbol
symbol  : class LegendProperties
location: class org.jCharts.demo.simpleServlet.PieChart2DServlet
                this.legendProperties = new LegendProperties();
                                            ^
org\jCharts\demo\simpleServlet\PieChart2DServlet.java:76: cannot resolve symbol
symbol  : variable LegendProperties
location: class org.jCharts.demo.simpleServlet.PieChart2DServlet
                this.legendProperties.setPlacement( LegendProperties.RIGHT );
                                                    ^
org\jCharts\demo\simpleServlet\PieChart2DServlet.java:78: cannot resolve symbol
symbol  : class ChartProperties
location: class org.jCharts.demo.simpleServlet.PieChart2DServlet
                this.chartProperties = new ChartProperties();
                                           ^
org\jCharts\demo\simpleServlet\PieChart2DServlet.java:89: cannot resolve symbol
symbol  : class PieChart2D
location: class org.jCharts.demo.simpleServlet.PieChart2DServlet
                        PieChart2D pieChart2D = new PieChart2D( this.getData(), this.legendProperties, this.chartProperties, thi
s.width, this.height );
                        ^
org\jCharts\demo\simpleServlet\PieChart2DServlet.java:89: cannot resolve symbol
symbol  : class PieChart2D
location: class org.jCharts.demo.simpleServlet.PieChart2DServlet
                        PieChart2D pieChart2D = new PieChart2D( this.getData(), this.legendProperties, this.chartProperties, thi
s.width, this.height );
                                                    ^
org\jCharts\demo\simpleServlet\PieChart2DServlet.java:90: cannot resolve symbol
symbol  : variable ServletEncoderHelper
location: class org.jCharts.demo.simpleServlet.PieChart2DServlet
                        ServletEncoderHelper.encodeJPEG13( pieChart2D, 1.0f, response );
                        ^
org\jCharts\demo\simpleServlet\PieChart2DServlet.java:110: cannot resolve symbol
symbol  : class PieChartDataSet
location: class org.jCharts.demo.simpleServlet.PieChart2DServlet
                return new PieChartDataSet( "Cars That Own!", data, labels, paints, this.properties );
                           ^
18 errors
==============================

how can i do with it?

many thanks!



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[jCharts-users] Horizontal Bar Chart, bar label position

[Richard D. <dyk...@oh...>]

I need to place the bar label on (or in) the bar rather than at the Y =
axis:

need this:
-----------------------------------
test 1                               |
-----------------------------------
------------------------
test 2                  |
------------------------
--------------------
test 3             |
--------------------

Instead of the standard bar chart:=20

          |--------------------------
test 1  |                            |=20
          |--------------------------
          |---------------------=20
test 2  |                       |  =20
          |---------------------=20

[jCharts-users] Problem not rendering the chart

[Valerio S. <erv...@ti...>]

Hello

i'm using jcharts inside a very simple swing application (only a jpanel)

i want to display a clustered-bar chart.

I posted the code i wrote here:
http://veleno.pastebin.com/302366

The problem is that the chart is not rendered properly (by default, th 
window is empty) and only when i try to resize the window, i can see it, 
but it disappear again if i resize it again (and when i say "resize" i'm 
saying in a "random-moving-fashion, that's to say that if i resize it 
the same way twice, i possibly don't get the chart rendered).

Any idea?
I'm using latest 0.7.x (0.7.5), and java 1.5, linux.

Thanks
Valerio

[jCharts-users] Line Chart

[Everton T. <eve...@ya...>]

Hi.

I'm seeing the jChart's web site to search an example
of Line Chart but i don't find it.

Somebody has any example to make this line chart?

I'm needing to do a chart that receive the values of
one JSP page.

Thank you.
Everton

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[jCharts-users] Chart generation performance in Linux

[Ben R. <Be...@so...>]

Hi,

We are noticing a significant performance hit (charts taking seconds to
render as opposed to 100-200 ms) when running jcharts under Linux
(Fedora Core 3, 2.6 kernel, JDK1.4.2, Tomcat 5.0) compared to our
development boxes running Windows XP SP2. The linux box and windows
machines are of comparable hardware spec.

Is there anything we can do to improve this? The Linux machine is not
running X, if that is of any importance?

Thanks,
Ben

[jCharts-users] Bar chart scale

[Bas S. <ba...@sc...>]

Hi,

I am creating a bar chart which will only have values between -1 and 1. By
default the scale of the Y axis is 4 points in increments of 1, so you can
imagine what a value of 0.2 looks like...

I did see I can extend ScaleCalculator, but I cannot find anywhere to
attach this to my chart.

What can I do to make the y axis run between 0 and 1 with .2 increments?

Cheers,
Bas.

[jCharts-users] How to pass input params to the ChartServlet thru IMG tag?

[Amit_Kukreja <Ami...@sa...>]

Hi,

	I want to pass some input parameters to the ChartSevelet (POST Method) =
through IMG tag ("src" parameter) inside the JSP file, so that the =
desired chart can be generated. Can anyone explain how this can be done? =

=09
	Thanks!

Regards,
Amit=20


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[jCharts-users] Point Shape in a line Chart

[<ant...@ti...>]

Hi all.
I have a line chart, everything works good, but i would like to make the
point shape smaller. It's too big .
I wrote the following code :


            Stroke[] strokes=3D { LineChartProperties.DEFAULT_LINE_STROKE=
};
            Shape[] shapes=3D {PointChartProperties.SHAPE_CIRCLE};
            
            LineChartProperties lineChartProperties =3D new LineChartProp=
erties(strokes,
shapes);

How can i make my point(Circle) smaller??

Thanks

Antonio

[jCharts-users] Solution for Embedding JCharts in HTML pages or other JSP pages.

[Srikanth N. <nan...@ya...>]

I have gone thru some postings requesting the solution for embedding the JCHARTS in HTML pages. I have tried this and it works fine on TOMCAT.
 
The sample programs provided by JCHARTS simple spit out a image onto the response. But to include the output of the Graph as a embeded element in a JSP or HTML page Simply use a <img src="URL"> 
Where URL is the URL to the Servlet or JSP that generates the Chart.
 
 
Cheers,
Srikanth Nandiraju.

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