APEX Flash Chart labels not displaying

Hi there
I am trying to create a 2D Stacked Column Flash chart, it is month based and for each month I have 3 Columns
So the query for the series returns a result set like so..
'Jan-11_Col1',10
'Jan-11_Col2',20
'Jan-11_Col3',30
'Feb-11_Col1',10
'Feb-11_Col2',20
'Feb-11_Col3',45
'Dec-11_Col1',20
'Dec-11_Col2',80
'Dec-11_Col3',100
I want to display a chart where the first column of the result set is my x-axis and the second column is my y-axis. I have have created the chart but I find I don't get a label for every columm on my x-axis, I only get one for every third column, and I can't see a way of doing it, can anybody tell me how?
thanks... Anil
ps I am using APEX 4

Hi Anil,
I have seen similar behaviors in 2D Column Charts. What I have found is that most often, for me, the issue has been that the chart is not wide enough. This is not specifically an APEX issue but rather a Flash issue. When the chart exceeds the dimensions that you specify for the chart, the charting engine must squish some part of the chart. Most often, the labels are what get removed, in my experience.
There are options to investigate this. You can make the chart wider in APEX and see if the problem goes away. You could rotate your X-Axis text by 45 degrees or so to see if they all appear. I have also seen the labels appear when you use your browser to zoom feature. This is a Flash behavior as well. If you zoom your browser to 200%, you may see more of your labels.
Finally, it would appear from your sample data set, that you may not be getting stacked column. Is that the case? If you are getting a single column for each record in your data set, then you probably have 36 columns on your chart which is a lot. You will need to make the chart very wide in APEX and possibly rotate the labels.
If you need help with anything else, just ask.
Austin

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Can anyone see what I am doing wrong or point me in the right direction? Thanks in advance.

This will be a little bit lengthy answer, but I guess it will be easier to understand what I meant to say.
I created a table that contains values you used as a data source (just to make my life easier):
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6 (max(x.value) - min(x.value)) * 24 * 60 / min(x.minutes_diff) slices
7 from (select t.value,
8 lag(t.value) over (order by t.value) previous_value,
9 (t.value - lag(t.value) over (order by t.value)) * 24 * 60 minutes_diff
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09:03 12:03 30 180 6There's 180 minutes between 09:03 and 12:03; minimum time difference in our TEST table is 30 minutes, so - we want to have 6 time slices on the x-axis (180 / 30).
Step 3: row generator technique: let's create time values that are missing:
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10 (t.value - lag(t.value) over (order by t.value)) * 24 * 60 minutes_diff
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14 (t.value - lag(t.value) over (order by t.value)) * 24 * 60 minutes_diff
15 from test t
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17 ) y
18 connect by level <= y.slices + 1
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22 order by z.val;
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10:33 0
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7 rows selected.Cool, so we have them all. Now, go to Apex and create a chart using a query from step #4.
I tested it - it displays something which means that it should work for you too (unfortunately, this forum doesn't accept attachments so that you could see it). Now, I can't tell whether that's what you need or not, but - if the idea itself is OK, it can be adjusted (I hope so).

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