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Decision failed to activate train

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Decision failed to activate train 07/10/2023 at 18:55 #153552
9pN1SEAp
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1178 posts
Hi,

Another weird one, not sure if this is sim-specific.

Decision SUDL choice BB is already selected and this correctly caused the seed for 0T50.

However the scheduler has decided to mark 6H50/H034396 as non-running, even though the choice is "[any] BA | BB | BC".

Save attached from 1 minute before scheduled entry.

Thanks
Jamie

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Jamie S (JAMS)
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Decision failed to activate train 07/10/2023 at 19:11 #153554
postal
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5260 posts
9pN1SEAp in post 153552 said:
Hi,

Another weird one, not sure if this is sim-specific.

Decision SUDL choice BB is already selected and this correctly caused the seed for 0T50.

However the scheduler has decided to mark 6H50/H034396 as non-running, even though the choice is "[any] BA | BB | BC".

Save attached from 1 minute before scheduled entry.

Thanks
Jamie
Run the save on and the train enters. I can't remember the exact timings (is it 1 minute or 30 seconds?) but IIRC the TT does mark a train as running or not running a short time before due entry so in this case 6H50/H034396 would be greyed out in the TT for a short period before entry.

Edit: I have just been given a nudge that there is also a rule marking the two 6H50 versions as alternatives. As this pair are also covered by different decision choices this may well cause the sim indigestion. There should either be a rule or a decision but not both.

“In life, there is always someone out there, who won’t like you, for whatever reason, don’t let the insecurities in their lives affect yours.” – Rashida Rowe
Last edited: 07/10/2023 at 19:53 by postal
Reason: None given

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Decision failed to activate train 07/10/2023 at 20:26 #153557
9pN1SEAp
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1178 posts
Ah! Forgot I’d left that Alts rule in.

Thanks!!

Jamie S (JAMS)
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Decision failed to activate train 08/10/2023 at 11:45 #153559
clive
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2781 posts
postal in post 153554 said:

Run the save on and the train enters. I can't remember the exact timings (is it 1 minute or 30 seconds?) but IIRC the TT does mark a train as running or not running a short time before due entry so in this case 6H50/H034396 would be greyed out in the TT for a short period before entry.
It defaults to 60 seconds, but can be configured on a per-entry-point basis. Developers see ENT-ECT and ENT-EDT. Basically, the ID turns grey at the point when the sim makes a decision that the train is going to enter or not. The 60 seconds (or configured value) represent the time between the train being committed (when it passed the last opportunity to be reversed or sent another way) and it actually reaching the entry point. If the entry point was in a long length of automatic signals, it might be configured to several minutes rather than 60 seconds.

postal in post 153554 said:


Edit: I have just been given a nudge that there is also a rule marking the two 6H50 versions as alternatives. As this pair are also covered by different decision choices this may well cause the sim indigestion. There should either be a rule or a decision but not both.
Not so much indigestion as having confusing results. I *think* the core code first checks applicable rules, which will cause one or the other train to be selected, and then applies decisions. It can make sense to have both (e.g. when they're alternatives on the same day of the week or if a special decision has been used because the trains only run if a specific option has been chosen). But you need to be careful and know what you're doing AND have tested it in a simple timetable before using it for real.

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The following user said thank you: postal