Charts

> People
>
> I need to add some charts to my application.  I can see Orbeon supports
> jfreechart but the information is a little vague.  Is this still a current
> module?  If so, is there any examples and how can I call the processor?
>
> Cheers
>
> Steven
>
> --
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>
>

> People
>
> I need to add some charts to my application.  I can see Orbeon
> supports jfreechart but the information is a little vague.  Is this
> still a current module?  If so, is there any examples and how can I call the processor?
>
> Cheers
>
> Steven
>
> --
> You receive this message as a subscriber of the [hidden email]
> mailing list.
> To unsubscribe: mailto:[hidden email]
> For general help: mailto:[hidden email]?subject=help
> OW2 mailing lists service home page: http://www.ow2.org/wws
>
>

> Alex
>
> Thanks for that.  You are a champion!!
>
> Kind regards
>
> Steven
>
> -----Original Message-----
> From: Alessandro Vernet [mailto:[hidden email]]
> Sent: Tuesday, 23 November 2010 14:00
> To: [hidden email]
> Subject: [ops-users] Re: Charts
>
> Steven,
>
> Yes, the chart processors still work and we are using them on some projects. However the documentation is somewhat outdated. I'll see what I can do to migrate it to the wiki, and add some more useful information.
>
> Alex
>
> On Wed, Nov 17, 2010 at 8:08 PM, Steven Kerr <[hidden email]> wrote:
>> People
>>
>> I need to add some charts to my application.  I can see Orbeon
>> supports jfreechart but the information is a little vague.  Is this
>> still a current module?  If so, is there any examples and how can I call the processor?
>>
>> Cheers
>>
>> Steven
>>
>> --
>> You receive this message as a subscriber of the [hidden email]
>> mailing list.
>> To unsubscribe: mailto:[hidden email]
>> For general help: mailto:[hidden email]?subject=help
>> OW2 mailing lists service home page: http://www.ow2.org/wws
>>
>>
>
>
>
> --
> Orbeon Forms - Web forms, open-source, for the Enterprise - http://www.orbeon.com/ My Twitter: http://twitter.com/avernet
>
>
>
> --
> You receive this message as a subscriber of the [hidden email] mailing list.
> To unsubscribe: mailto:[hidden email]
> For general help: mailto:[hidden email]?subject=help
> OW2 mailing lists service home page: http://www.ow2.org/wws
>
>

> Alex
>
> Thanks for that!!  I now have an example working which should be all I need to get going!!!!  I have included it (and some of your comments) as this will probably help others.
>
> Note: I am using a nightly build from around June 2010 (working fine).
>
>
> 1) Create file (generate-chart.xpl) in an app directory:
>
> <p:config xmlns:p="http://www.orbeon.com/oxf/pipeline"
>    xmlns:xs="http://www.w3.org/2001/XMLSchema"
>    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
>    xmlns:exist="http://exist.sourceforge.net/NS/exist"
>    xmlns:oxf="http://www.orbeon.com/oxf/processors">
>
>    <p:param name="data" type="output"/>
>
>    <p:processor name="oxf:chart">
>        <p:input name="config"><config/></p:input>
>        <p:input name="data" >
>            <data>
>                <x-axis>
>                    <value>1</value>
>                    <value>2</value>
>                    <value>3</value>
>                    <value>4</value>
>                    <value>5</value>
>                </x-axis>
>                <y-axis>
>                    <value>1</value>
>                    <value>3</value>
>                    <value>5</value>
>                    <value>3</value>
>                    <value>6</value>
>                </y-axis>
>            </data>
>        </p:input>
>        <p:input name="chart" >
>            <chart>
>                <type>vertical-bar</type>
>                <title>vertical-bar Example</title>
>                <category-title>X-axis title</category-title>
>                <serie-title>Y-axis title</serie-title>
>                <value title="test" categories="data/x-axis/value" series="data/y-axis/value"/>
>                <x-size>400</x-size>
>                <y-size>400</y-size>
>                <background-color>#FFFFFF</background-color>
>                <title-color>#000000</title-color>
>            </chart>
>        </p:input>
>        <p:output name="data" ref="data"/>
>    </p:processor>
>
> </p:config>
>
>
> 2) Add a line to your page flow (edit this to match local path names):
> <page path-info="/generate-chart" view="/generate-chart.xpl"/>
>
>
> 3) Point your browser directly at service (inc app path if nessary):
> ...../orbeon/generate-chart
>
> 4) Copy the filename you should see (e.g jfreechart-384648364673836346.png)
>
> 5) point your browser at the generated chart (e.g.):
> ....../orbeon/chartDisplay?filename=jfreechart-384648364673836346.png
> (you should now see the chart)
>
> 6)
> Now that you have this working, change the service to except the data as input.  you can call the service with a submission replace instance. You then have the filename in an instance and can refer toit from an AVT:
> <xhtml:img src="/orbeon/chartDisplay?filename={instance('chart')/file}"/>
> This goes to the JFreeChart servlet (it is defined in the web.xml by default), which serves the file previously generated.
>
>
>
> Thanks again Alex
>
> Cheers
>
> Steven
>
>
> -----Original Message-----
> From: Alessandro Vernet [mailto:[hidden email]]
> Sent: Saturday, 4 December 2010 13:37
> To: Steven Kerr
> Subject: Re: [ops-users] Re: Charts
>
> Hi Steven,
>
> There are a few way to use the chart processors, as in fact there are
> 3 processors covering different use cases. But let's give it a shot
> with one of them: oxf:chart. In a nutshell:
>
> 1. You create a service that does the chart generation. So in the page
> flow, you could have:
>
> <page path-info="/generate-chart" view="/generate-chart.xpl"/>
>
> And in the XPL file:
>
> <p:config xmlns:p="http://www.orbeon.com/oxf/pipeline"
>        xmlns:xs="http://www.w3.org/2001/XMLSchema"
>        xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
>        xmlns:exist="http://exist.sourceforge.net/NS/exist"
>        xmlns:oxf="http://www.orbeon.com/oxf/processors">
>
>    <p:param name="instance" type="input"/>
>    <p:param name="data" type="output"/>
>
>    ...
>
>    <p:processor name="oxf:chart">
>        <p:input name="config"><config/></p:input>
>        <p:input name="data" href="#data"/>
>        <p:input name="chart" href="#chart"/>
>        <p:output name="data" ref="data"/>
>    </p:processor>
>
> </p:config>
>
> The "data" input can be any XML, it is referenced by XPath from the
> document in the "chart" input, which has to follow the format
> described on http://www.orbeon.com/orbeon/doc/processors-charts-spreadsheets.
> When the service is called, it creates the image for the chart on
> disk, and returns a file name in an XML document <file>...</file>.
>
> 2. From XForms, you can call that service with a submission replace
> instance. You then have the filename in an instance and can refer to
> it from an AVT:
>
> <xhtml:img src="/orbeon/chartDisplay?filename={instance('chart')/file}"/>
>
> This goes to the JFreeChart servlet (it is defined in the web.xml by
> default), which serves the file previously generated.
>
> You'll let me know how this works.
>
> Alex
>
> On Thu, Dec 2, 2010 at 6:45 PM, Steven Kerr
> <[hidden email]> wrote:
>> Alex
>>
>> In the meantime, could you please tell me how to call the processor?
>>
>> Cheers
>>
>> Steven
>>
>>
>> -----Original Message-----
>> From: Alessandro Vernet [mailto:[hidden email]]
>> Sent: Tuesday, 23 November 2010 14:00
>> To: [hidden email]
>> Subject: [ops-users] Re: Charts
>>
>> Steven,
>>
>> Yes, the chart processors still work and we are using them on some projects. However the documentation is somewhat outdated. I'll see what I can do to migrate it to the wiki, and add some more useful information.
>>
>> Alex
>>
>> On Wed, Nov 17, 2010 at 8:08 PM, Steven Kerr <[hidden email]> wrote:
>>> People
>>>
>>> I need to add some charts to my application.  I can see Orbeon
>>> supports jfreechart but the information is a little vague.  Is this
>>> still a current module?  If so, is there any examples and how can I call the processor?
>>>
>>> Cheers
>>>
>>> Steven
>>>
>>> --
>>> You receive this message as a subscriber of the [hidden email]
>>> mailing list.
>>> To unsubscribe: mailto:[hidden email]
>>> For general help: mailto:[hidden email]?subject=help
>>> OW2 mailing lists service home page: http://www.ow2.org/wws
>>>
>>>
>>
>>
>>
>> --
>> Orbeon Forms - Web forms, open-source, for the Enterprise - http://www.orbeon.com/ My Twitter: http://twitter.com/avernet
>>
>>
>
>
>
> --
> Orbeon Forms - Web forms, open-source, for the Enterprise -
> http://www.orbeon.com/
> My Twitter: http://twitter.com/avernet
>
>