Tip: Flash Chart without values displayed

Hi people,
I have no question but a Tip.
Some weeks ago I was lokking for a possibility to get a Stacked Bar Flash Chart.
At first I have choosen the 2D-Chart. But in this Chart the values are always be displayed and by using the XML-settings and the CSS-Settings it wasn't possible to hide the displayed values. The values are always displaed in a way like this: value 2.123243. In every bar and in every different area of the bars.
So I was playing around some days to hide the values and I was almost was getting mad and my boß was getzting angry about it...
But the next day I tried the 3D-Charts to see what will happen... and that's it! The Charts will be displayed in exactly that wayI need.
So my Tip: If you need nice Charts good to use, please take the 3D-Charts. Thats works.
And if you want to see whats going on with Flash Charts in APEX 4.0 take a look an [http://www.anychart.com]
Thats really nice! I'm really impatiently waiting for it!!!!
Have a nice eve!
René
P.S.: Thanx for all Bernhard and Maik! :D
Edited by: René on 17.11.2008 10:57
This is not a question! :-)

I have someone that was able to remove the value from showing on the 2d stacked bar graphs but they don't remember how they did it. Ever since they they found out they just copy the same graph. I tried the same in another schema and could not get the same result. I compared the xml, the chart template and could not find out how they hid the values. I don't like the 3d as the colors look much nicer to 2d. any suggestions.

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Edited by: Christian from France on Feb 13, 2009 3:05 AM

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select null , sysdate -2+5/48, 1 from dual
union
select null , sysdate -2+3/24, 0 from dual)But the chart changes from a line chart to a bar chart with each value being equally spaced.
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):
SQL> alter session set nls_date_format = 'dd.mm.yyyy hh24:mi:ss';
Session altered.
SQL> select * from test;
VALUE LABEL
12.10.2010 09:03:45 0
12.10.2010 10:03:45 1
12.10.2010 11:03:45 2
12.10.2010 11:33:45 1
12.10.2010 12:03:45 0
SQL> alter session set nls_date_format = 'hh24:mi';
Session altered.From now on, we'll see only hours and minutes.
Step 1: current and previous values - difference in number of MINUTES
SQL> select t.value,
2 lag(t.value) over (order by t.value) previous_value,
3 (t.value - lag(t.value) over (order by t.value)) * 24 * 60 minutes_diff
4 from test t;
VALUE PREVI MINUTES_DIFF
09:03
10:03 09:03 60
11:03 10:03 60
11:33 11:03 30
12:03 11:33 30Step 2: a little bit of calculation:
- TIME_SPAN: how many minutes are there between MIN and MAX date?
- MIN_DIFF: what is the minimum time difference (minutes)?
- SLICES: how many time slices do we want on the x-axis?
SQL> select
2 min(x.value) min_val,
3 max(x.value) max_val,
4 min(x.minutes_diff) min_diff,
5 (max(x.value) - min(x.value)) * 24 * 60 time_span,
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
10 from test t
11 ) x;
MIN_V MAX_V MIN_DIFF TIME_SPAN SLICES
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:
SQL> select y.min_val + (level - 1) * y.min_diff / (24 * 60) val
2 from (select
3 min(x.value) min_val,
4 max(x.value) max_val,
5 min(x.minutes_diff) min_diff,
6 (max(x.value) - min(x.value)) * 24 * 60 time_span,
7 (max(x.value) - min(x.value)) * 24 * 60 / min(x.minutes_diff) slices
8 from (select t.value,
9 lag(t.value) over (order by t.value) previous_value,
10 (t.value - lag(t.value) over (order by t.value)) * 24 * 60 minutes_diff
11 from test t
12 ) x
13 ) y
14 connect by level <= y.slices + 1;
VAL
09:03
09:33
10:03
10:33
11:03
11:33
12:03
7 rows selected.OK, now we have 30 minutes between every time value.
Step 4: join newly generated time values with the original table. Use OUTER JOIN; missing labels will be 0 (zero):
SQL> select
2 null link,
3 to_char(z.val, 'hh24:mi') new_value,
4 nvl(t1.label, 0) new_label
5 from (select y.min_val + (level - 1) * y.min_diff / (24 * 60) val
6 from (select
7 min(x.value) min_val,
8 max(x.value) max_val,
9 min(x.minutes_diff) min_diff,
10 (max(x.value) - min(x.value)) * 24 * 60 time_span,
11 (max(x.value) - min(x.value)) * 24 * 60 / min(x.minutes_diff) slices
12 from (select t.value,
13 lag(t.value) over (order by t.value) previous_value,
14 (t.value - lag(t.value) over (order by t.value)) * 24 * 60 minutes_diff
15 from test t
16 ) x
17 ) y
18 connect by level <= y.slices + 1
19 ) z,
20 test t1
21 where t1.value (+) = z.val
22 order by z.val;
L NEW_V NEW_LABEL
09:03 0
09:33 0
10:03 1
10:33 0
11:03 2
11:33 1
12:03 0
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).

How can I display more than 15 rows in a stacked 3D horizontal flash chart

It seems I cannot display more than 15 rows at a time in a stacked 3D horizontal flash chart.
Any ideas?
Thanks, Pierre

The default history length of a chart is 1024. To make it longer is a right click option.

Tip: Flash Chart without values displayed

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