Ok, I thought about using temporal operators. But I think using your
eval()-condition would be more performance-friendly than several
temporal operators.
I will think about your calculation. Thank you! :)
~Tina
Given that sA, eA, dB are start time, end time and duration of event
A, we have, for any two events, the interval [s,e] containing both
defined by:
s = min( sA, sB )
e = max( eA, eB ) = max( sA+dA, sB+dB )
Thus, the condition for A and B happening withing an interval of
duration D is:
e - s <= D
You can put this expression into an eval() CE.
-W
On 13 January 2011 15:45, Tina Vießmann <[email protected]
<mailto:[email protected]>> wrote:
Hi,
I'm trying to find a easy way to express that two events A and B
have to
happen during the same time interval. The events have each a
duration >
0.
A example condition could be: The event A and B have to happen
during the
same 60 seconds.
For me it includes several possibilites:
* A can start before B and
~ end before B starts
~ end during B
~ end after B ends
* The same can be possible for B
* A and B start/end/both at the same time
In any case the maximum duration from the first start time to the
last end
time is e.g. 60s.
Is there a easy way to express that. I can only think of
specifying the
several possibilities as conditions.
Thank you! :)
Tina
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