| Spider charts, own charts and dynamic tables [message #158788] |
Fri, 05 May 2006 11:55  |
Eclipse User |
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Originally posted by: onewaypub.gmx.de
Hi,
I'm searching for the answers of three problems.
The first: Does someone know if there exists an extension for birt to
display spider chart? If yes, where can I get it. Is there a public page
with different birt extensions, which are normally not in the birt package
like the xls-emitter extension?
If not the other question is: Is there a way to develop own charts? If yes
is somewhere a good introduction for this?
The third question: I'm searching for a way to grow the tables of birt in
both directions (y-axis AND x-axis in the same time). The problem is that
we have a join over 2 tables in sql. The first table indicates the
titlebar of the table (which is variable) and the second gives us the data
under in the different columns. Is the a way to map this into a birt
table? I heard this problem is called cross-table and it should
implemented into birt till the release 2.0. But I didn't find it anywhere.
Thank you for your help,
Carl
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| Re: Spider charts, own charts and dynamic tables [message #158836 is a reply to message #158788] |
Fri, 05 May 2006 12:32  |
| Eclipse User |
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Hi Carl,
I do not know of any spider chart extension, but if somebody wrote any, I
hope he will reply your post. That being said, you can develop your own
charts (in that case I would say series type). The chart engine architecture
is entirely built on eclipse extension framework (now OSGi), allowing to
extend the chart engine, you can
- add new device renderers/display servers
- add new series renderers
- add new aggregation functions for grouping
- add new dataset processors
And besides that there are many interface available to integrate the chart
engine in virtually any application.
We are now in the process of reorganizing and updateing the documentation on
the web site, but in the meantime you can get the FAQ doc here:
http://www.eclipse.org/birt/faq/Charts_FAQ.doc
Check section 7 that describes how to create a new series type extension and
let me know if you have any question. If you complete that extension code,
your contribution to BIRT would be of course welcomed!
For your other questions, please post a separate message in the newsgroups.
Thanks,
David
"carl gneisenau" <onewaypub@gmx.de> wrote in message
news:151b408e9d25bfd33b2d7ca8f69985aa$1@www.eclipse.org...
> Hi,
>
> I'm searching for the answers of three problems.
>
> The first: Does someone know if there exists an extension for birt to
> display spider chart? If yes, where can I get it. Is there a public page
> with different birt extensions, which are normally not in the birt package
> like the xls-emitter extension?
>
> If not the other question is: Is there a way to develop own charts? If yes
> is somewhere a good introduction for this?
>
> The third question: I'm searching for a way to grow the tables of birt in
> both directions (y-axis AND x-axis in the same time). The problem is that
> we have a join over 2 tables in sql. The first table indicates the
> titlebar of the table (which is variable) and the second gives us the data
> under in the different columns. Is the a way to map this into a birt
> table? I heard this problem is called cross-table and it should
> implemented into birt till the release 2.0. But I didn't find it anywhere.
>
> Thank you for your help,
> Carl
>
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