| Multiple charts on single report - data-driven? [message #651312] |
Fri, 28 January 2011 16:40  |
 Jim Garrison
Messages: 57
Registered: July 2009 |
Member |
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I am new to BIRT, but an experienced Java developer. I have a data set that looks like this:
group date usage
----- -------- ------
1 20110101 17
1 20110102 6
1 20110103 5
..... etc
2 20110101 9
2 20110102 5
..... etc
3 20110101 19
I want to create a report consisting of a variable number of bar graphs, one per group. I don't know in advance how many different groups are in the data set. Can this be defined using the BIRT tools in Eclipse (BIRT 2.6.1)?
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| Re: Multiple charts on single report - data-driven? [message #651596 is a reply to message #651572] |
Mon, 31 January 2011 14:41  |
Jim Garrison
Messages: 57
Registered: July 2009 |
Member |
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I tried this but the chart contains only one bar, using the last value for the group.
I also tried putting the chart into the detail section, but then I get one chart for each detail value as a single bar, not all the detail values for the group as bars in a single chart.
To be clear for this data:
group date usage
----- -------- ------
1 20110101 17
1 20110102 6
1 20110103 5
2 20110101 9
2 20110102 5
2 20110103 7
3 20110101 19
3 20110102 12
3 20110103 11
I want a report with three charts, each of which has three bars, as in:
Group 1
+
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| 17
| +---+
| | |
| | | 6
| | | +---+ 5
| | | | | +---+
| | | | | | |
+--------------------------------
01-01 01-02 01-03
Group 2
+
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| 9
| +---+
| | | 7
| | | 5 +---+
| | | +---+ | |
| | | | | | |
+--------------------------------
01-01 01-02 01-03
Group 3
+
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| 19
| +---+
| | | 12
| | | +---+ 11
| | | | | +---+
| | | | | | |
| | | | | | |
| | | | | | |
+--------------------------------
01-01 01-02 01-03
[Updated on: Mon, 31 January 2011 14:42] Report message to a moderator |
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| Re: Multiple charts on single report - data-driven? [message #651821 is a reply to message #651610] |
Tue, 01 February 2011 12:25 |
Jason Weathersby
Messages: 9167
Registered: July 2009 |
Senior Member |
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Jim,
On every table a set of bindings gets created that maps between the
dataset and the table. You can look at these in the binding tab on the
properties view for the table. When you copy/paste the table does not
remove the binding which will still get evaluated. You can always
remove them manually in the binding tab though. Maybe this is the issue
you had. If you can email me the report you had issues with I can tell
you what the issue was. My email address is jasonweathersby at
windstream dot net.
Jason
On 1/31/2011 4:20 PM, Jim Garrison wrote:
> I started over again from a blank report, and this time placing the
> chart in the group footer seems to work.
> I guess the BIRT designer gets confused if you move stuff around too
> much....
Jason Weathersby
BIRT Exchange
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