Display link slope or the difference of two dates
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Hi,
I'm fairly new to planning softwares but I get the basics of powerproject. My problem is that I can't display a column which shows link slope. Is it even posisible? There is a link loop but I ignored the link between these two tasks and now it doesn't affect my schedule. The problem is I can't easily see how many days do I have to shorten the lag or duration of one task to make the schedule work.
I thought another solution, if it is not possible to display link slope, is to create a formula which subtracts the successors start date with predeccors start date and displays priority traffic light as green if the result is positive and red if the result is negative.
I know it is difficult to understand a problem or try to solve it when you can't really see it yourself. However please feel free to ask and I try my best to give more details.
1 reply
Oldest first- 0Rafael Davila ·
Finding link loops: A link
Finding link loops: A link loop is a logical error in a plan whereby a link or series of links results in a later task imposing a logical constraint on an earlier activity.
Link loops caused by links with maximum lag: In certain circumstances, specifying a maximum lag time on a link can cause a link loop that at first sight does not look like a link loop.
- Are you modeling maximal lag?
It looks like you shall be looking for Relationship Free Float [RFF] or Slack:
- http://www.austprojplan.com.au/relationship-float-and-viewing-in-primavera-p6/ : With Primavera P6, values of lag can be added to relationships -these lag values will reduce relationship free float and can ultimately drive successor activities.
- http://scheduleanalyzer.com/sa_long_theory.htm : Slack is the amount of ‘unused’ time difference between the predecessor and the successor activities. This slack value has nothing to do with the float values or either of the two activities that it relates. It merely indicates how close each predecessor is to becoming the driving relationship for the successor activity.
- Relationship Float from Google Search
You said you are fairly new to planning software but what you are looking for is not for the new to planning!
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