1.2h
1.6h
1.2h
1.6h
2h
3.2h
2h
3.2h
2h
1.2h
1.6h
Note
In the timescaled view, you cannot directly edit the units assigned to each timephased segment; instead you would directly edit the work. However, to better understand edited contour segments, we will look at the units assigned.
In this example, you have 12 contour segments of equal duration. However, if you changed your minor timescale to weeks, you would end up with the following:
Week 1
Week 2
Week 3
18%
31%
7%
At this point the assignment contour still consists of 12 segments of equal duration. However, if we then make an edit to Week 2, our contour segments change. The five segments that make up Week 2 become one segment with a five-day duration, and we are left with a total of eight contour segments. In our example, if we change Week 2 to 38%, we are left with the following contour segments.
Contour Segment Number
1
2
3
4
5
6
7
8
Units
20%
15%
20%
15%
20%
38%
15%
20%
Duration
1d
1d
1d
1d
1d
5d
1d
1d
Note that Contour Segment Number 6 has a five-day duration. If we subsequently were to change our timescale back to days, we would see that units are spread evenly over the segment. In other words, each day of the second week would have 38%.
Important:
It is important to recognize that contour segments are independent from the timescale units that we view timephased information with. When we change our timescale units to days, we do not suddenly have additional assignment contour segments. We are simply viewing existing segments differently. This will be shown in more detail in the following example.
Now that we understand how edited contours deal with contour segments, let’s take a look at what happens when we begin to make changes to assignments with edited contours.
The most important difference between predefined contours and edited contours is the way in which segments are handled when changes are made at the assignment level. As we noted above, segments are not necessarily equal in duration, nor are they consistent in number. (That is, there can be more or less than 10 contour segments.)
When the duration of an assignment changed with a predefined contour applied, Microsoft Project recalculated the duration of the 10 contour segments so that there were consistently 10 segments of equal duration. Like predefined contours, Microsoft Project only changes edited contour segments when duration changes. However, unlike predefined contours, the way in which contour segments change is dependent on what else is changing at the assignment level.
If both duration and units change at the assignment level, contour segment length will change, but proportionality will be maintained. This means that if you have three contour segments of 8 hours in length, making a change at the assignment level where both duration and units change will cause the contour segment length to change, but all three contour segments will still be the same length.
If both duration and work are changed at the assignment level, contour segment length proportionality will not be maintained. Instead, Microsoft Project will simply extend or truncate the right most contour segment as needed. All other contour segments will maintain the same length.
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