Gantt chart -possible options with Flex

Hello,
I am looking for doing a chart which has the following
options:
Pl. see the diagram I could not represent it clearly since
attachment is not allowed here.
1) Time Duration in the Left Axis and Labels listed in the
Top Axis.
2) Horizontal and vertical scrolling of Chart should be
possible.
3) I have a requirement of displaying some details inside the
bar displayed for TASKS. Is that possible? or Will i be able to
give a link from the tasks?
4) I must be able to specify the task for a range of tasks
and for a range of time period as depicted in the picture above. Is
that possible?
Thanks
kk

There are a couple of Gannt chart components available,
including this one:
http://dougmccune.com/blog/2007/02/01/building-a-gantt-chart-component-in-flex/
hth,
matt horn
flex docs

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[email protected]
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Resource Gantt Chart - Error : Resourse with same ID "%1" already exists

Hi,
I have a requirement to have multiple periods per resource.
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How to build a gantt chart with BI Publisher

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Hi Experts
As a part of bidding, client need to produce Gantt chart to the customer.
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Hi Ahmed
Thank you for your reply.
The time scales in Gantt chart specifically shows the year, month and weeks from the start date of project definition or basic start of WBS.
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warm regards
ramSiva

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Blog: http://jes.blogs.shellprompt.net
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Regards,
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Leo,
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How to create new view without interlinking with gantt chart or resource views

ok clear
one another question
In msp how to create new view without interlinking with gantt chart or resource views

Hi Shiv PMC--
I splitted your question above in another thread in order not to have a huge thread with many topics in it.
That being said, I'm not sure to understand. A view is just a manner to display MS Project data with columns. A view can have a table with column (left part) associated with a Gantt chart. It can also just contain a table with no Gantt chart (like the task
table) or a table with a timephased grid (resource and task usage).
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Guillaume Rouyre, MBA, MVP, P-Seller |

Gantt chart with null dates

Hi,
Kylie discovered here that you couldn't have null dates in the project gantt query
APEX 4.0.2 Project Gantt Chart - Error Code: 2002 Message: Empty input
As Valentina suggested, I found the actual dates are mandatory, while the chart tolerates missing planned dates - which is a complete reversal of what actual project data would have.
baseline project gantt with parent-child relationship
What I found though is if some planned dates are missing, the generated XML seems to default with data from previous rows.
As detailed in this screenshot, my red lines indicate missing from/to dates (actual data also shown underneath chart)
https://docs.google.com/file/d/0B_eVXQ_oe4tsRUFXUzA0NmNMUE0/edit?usp=sharing
NAME    TASK_ID   ACTUAL_START ACTUAL_END PROGRESS DUE_START     DUE_END
line 1 1810794   07/MAR/2013   11/MAR/2013   100     26/MAR/2013   27/MAR/2013 00:00:00
line 2 1810780   12/MAR/2013   16/MAR/2013   100     23/MAR/2013   27/MAR/2013 00:00:00
line 3 1810779   17/MAR/2013   20/MAR/2013
line 4 1810773   21/MAR/2013   21/MAR/2013   50      24/MAR/2013
line 5 1810774   22/MAR/2013   10/APR/2013   93      16/MAR/2013
line 6 1810791   11/APR/2013   20/APR/2013
line 7 1810793   21/APR/2013   22/APR/2013   45      21/MAR/2013   The accompanying XML backs up the story, yet my query doesn't feed this data.
<task id="1810794" parent="" name="line 1" actual_start="2013.03.07 00.00.00" actual_end="2013.03.11 00.00.00" baseline_start="2013.03.26 00.00.00" baseline_end="2013.03.27 00.00.00" progress="100" style="defaultStyle"/>
<task id="1810780" parent="" name="line 2" actual_start="2013.03.12 00.00.00" actual_end="2013.03.16 00.00.00" baseline_start="2013.03.23 00.00.00" baseline_end="2013.03.27 00.00.00" progress="100" style="defaultStyle"/>
<task id="1810779" parent="" name="line 3" actual_start="2013.03.17 00.00.00" actual_end="2013.03.20 00.00.00" baseline_start="2013.03.23 00.00.00" baseline_end="2013.03.27 00.00.00" style="defaultStyle"/>
<task id="1810773" parent="" name="line 4" actual_start="2013.03.21 00.00.00" actual_end="2013.03.21 00.00.00" baseline_start="2013.03.24 00.00.00" baseline_end="2013.03.27 00.00.00" progress="50" style="defaultStyle"/>
<task id="1810774" parent="" name="line 5" actual_start="2013.03.22 00.00.00" actual_end="2013.04.10 00.00.00" baseline_start="2013.03.16 00.00.00" baseline_end="2013.03.27 00.00.00" progress="93" style="defaultStyle"/>
<task id="1810791" parent="" name="line 6" actual_start="2013.04.11 00.00.00" actual_end="2013.04.20 00.00.00" baseline_start="2013.03.16 00.00.00" baseline_end="2013.03.27 00.00.00" style="defaultStyle"/>
<task id="1810793" parent="" name="line 7" actual_start="2013.04.21 00.00.00" actual_end="2013.04.22 00.00.00" baseline_start="2013.03.21 00.00.00" baseline_end="2013.03.27 00.00.00" progress="45" style="defaultStyle"/>Is this expected behaviour?
Is this a bug?
Is there a workaround - can I supply my own XML to hopefully override what is being generated?
Scott

Hi Ahmed
Thank you for your reply.
The time scales in Gantt chart specifically shows the year, month and weeks from the start date of project definition or basic start of WBS.
Since it is not a decided project, the Gantt chart need to show 0, 1st week, 2nd week, 3rd week etc.
The actual schedule from PD start date can be produced on actual initiation of project.
It means, i am looking for having Gantt chart for duration and not for specific start and finish dates.
warm regards
ramSiva

Problem with gantt chart displaying - Apex4.2

Hi I'm using Apex 4.2 on localhost and
I have got three tables: employee, engineer, dates
-> engineer table is a specification of employee table, that means in employee you can find also the
names of the engineers. Engineer only has an additional attribute.
Here's the structure of the three tables:
employee (e_id, lastname, surname....)
engineer (e_id, attribute)
appointment (a_id, e_id,start, end)
Now my problem: By using the gantt chart the xml doesn't want to show the names of the engineers.
If I only use this sql statement everything works but I only have the e_id from my engineer table:
select
null link,
a.e_id,
(select e_id from engineer where e_id = a.e_id) Engineer,
null parent_id,
a.start,
a.end
from appointment a
If I try to use this statement in order to see the names of the employees no chart will be shown,
only xml error:
select
null link,
a.e_id,
(select emp.lastname from employee emp, engineer e where emp.e_id = e.e_id and e.e_id=a.e_id) Engineer,
null parent_id,
a.start,
a.end
from appointment a
I also created a view which combines the lastname from employee and the e_id from engineer
but same problem.
If I try:
select
null link,
a.e_id,
(select e_id from gantt_view where e.e_id=a.e_id) Engineer,
null parent_id,
a.start,
a.end
from appointment a
Then I'll see e_ids in my gantt chart but if I want to see my employee names
with this statement:
select
null link,
a.e_id,
(select lastname from gantt_view where e.e_id=a.e_id) Engineer,
null parent_id,
a.start,
a.end
from appointment a
Nothing is shown on the gantt chart.
I tested all sql statements on sql developer.
There I was able to see my employee names.
But for gantt charts it doesn't work.
Any solutions?

Great!
Of course, hard to diagnose when there's nothing to see.
Here's an old message in a thread from 2010. (To give credit, it's from Hilary Farrell.)
>
You are correct, the syntax outlined in the error message is incorrect, and I've logged bug 9799373 to track this. As a workaround, you can view sample syntax for Gantt charts on the 'Query' page of the Create wizard, in the 'Chart Query Example for Gantt' Show/Hide region below the text area for entering your chart query, and also in the Oracle APEX 4.0 User's Guide that will be available with our new release. Just in case other users hit the same issue and are unsure of the expected format:
Chart Query Examples for Project Gantt Charts:
SELECT NULL LINK,
TASK_NAME NAME,
TASK_ID ID,
NULL PARENT_ID,
START_DATE ACTUAL_START,
END_DATE ACTUAL_END,
STATUS_NUMBER PROGRESS
FROM TASKS
SELECT 'f?p=4000:2:'||:APP_SESSION||':::P2_ID:'||ID LINK
TASK_NAME NAME,
TASK_ID ID,
PARENT_TASK_ID PARENT_ID,
START_DATE ACTUAL_START,
END_DATE ACTUAL_END,
STATUS_NUMBER PROGRESS
FROM TASKS
SELECT NULL LINK,
TASK_NAME NAME,
TASK_ID ID,
NULL PARENT_ID,
START_DATE ACTUAL_START,
END_DATE ACTUAL_END,
STATUS_NUMBER PROGRESS,
START_DATE-3 PLANNED_START,
END_DATE+1 PLANNED_END
FROM TASKS
Chart Query Examples for Resource Gantt Charts:
SELECT NULL LINK,
RESOURCE_ID ID,
NULL NAME,
NULL PARENT_ID,
START_DATE ACTUAL_START,
END_DATE ACTUAL_END
FROM TASKS
SELECT 'f?p=4000:2:'||:APP_SESSION||':::P2_ID:'||ID LINK
RESOURCE_ID ID,
RESOURCE_NAME NAME,
PARENT_ID PARENT_ID,
START_DATE ACTUAL_START,
END_DATE ACTUAL_END
FROM TASKS
Thanks for reporting this issue, and I'm happy you were able to successfully generate your chart.
Regards,
Hilary
Can you show us the query you are using?
Oh. And what are the data types and lengths of your data?
Howard

Problems with Gantt Chart

Hi,
I have a Gantt Chart in my page, but there is something wrong with the scales; the major scale says, for example, "Monday, Oct 12", but the minor scale says "S" for sunday and then the major scale says "Tuesday, Oct 13" and the minor "Monday" and so on; they doesn´t correspond to each other... This is just happening in spanish, in english everything is fine, I don't know what can I do to fix this.
I have another problem in the same Gantt: one task has "16/10/2009 08:00:00 a.m." for start date and "17/10/2009 08:00:00 p.m." for end date, which gives a duration of 2 days, but in the gantt it is displayed as a 3 days duration!! this happen for every task in the gantt. I've been testing and I found that if I change the end date to "17/10/2009 06:00:00 p.m." (just changing 8 to 6 pm) the duration is displayed just fine, with the 2 days it should be. Actually this strange behavior happens only when the hour is equal or grater than 8:00pm. I've searched in the developers guide but it doesn't say anything about this; I don´t know if the OAF Gantt use some e-business parameter, or something; I really don´t know what can be happening.
I hope you can help me!
Thanks and regards,
Carlos V

Not sure about changing the scale at runtime but from what I've learned, if it can't be done in Crystal Reports itself - it can't be done via code. And in CR the only way I know of is to do the multiple charts in multiple subsections and conditionally suppress based on the number of records (Projects in your case).
You could go to the development forum and ask the question about doing it programatically.

Gantt chart -possible options with Flex

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