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I have missed something, and cannot see what.

In one spur (IGA Dr 1), I have a reefer that is scheduled to be picked up (which would make room for a new car), and I have a reefer in a yard that is supposed to be delivered there. The build report initially fails to assign the new car due to no room. Then further down, the build report assigns the P/U from the spur but it is too late for the delivery. I mistakenly had thought that aggressive mode with 2 passes would solve that.

I have worked around that by making the route for that train go to that town twice, once from the yard, then again after returning to the yard. The build report therefore assigns the car to be picked up in the 1st visit, then assigns the car to be delivered in the 2nd visit (to an empty spur).


I had wanted to make the train take the new car with and merely swap the P/U with the S/O (as I suspect the prototype did).



Here are portions of the build report:

"1- Build Report for train (#322) built on 6/18/17 10:35 PM
1- JMRI version 4.7.6+R570b2bc
3- Build report detail level: Normal
5- Build report detail level: Detailed
7- Build report detail level: Very Detailed
7- Router build report level: Very Detailed
1-
5- Train Build Options:
5- Build option is set to aggressive
5- Perform 2 passes
5- Car routing via yards is enabled
5- Allow local moves if car has a custom load or FD
5- Allow cars to travel from origin to terminal
1-
3- Train (#322) route (322-Marietta Local):
3- Location (Elizabeth) requests 9 pick ups, maximum train length 500 feet
3- Location (Marietta) requests 9 moves, maximum train length 500 feet
3- Location (Elizabeth) requests 9 moves, maximum train length 500 feet
3- Location (Eliz-Support) requests 9 moves, maximum train length 500 feet
3- Location (Elizabeth) requests 10 moves, maximum train length 600 feet
3- Location (Marietta) requests 10 moves, maximum train length 400 feet
3- Location (Elizabeth) requests 10 set outs
1- Route (322-Marietta Local) requests 33 cars and 66 moves
...
7- Car (WFEX 68249) type (ReeferIce) at (Elizabeth, Liz Yard Trks) 1 moves
...
7- Car (PFE 95829) type (ReeferIce) at (Marietta, IGA Dr 1) 1 moves
...
5- Car (WFEX 68249) type (ReeferIce) load (Peaches) at (Elizabeth, Liz Yard
5- Trks) has final destination (Marietta, IGA Dr 1) routing begins
7- Train (#322) can pull car (WFEX 68249) from (Elizabeth, Liz Yard Trks)
7- route id (18r1)
7- Train (#322) can transport car (WFEX 68249) from C/I (Elizabeth, Liz Yard
7- Trks) to (Marietta, IGA Dr 1)
7- Route for car (WFEX 68249): (Elizabeth, Liz Yard
7- Trks)->(#322)->(Marietta, IGA Dr 1)
7- Can't use spur (Marietta, IGA Dr 1) for (WFEX 68249) due to rolling stock
7- length 44 feet, available track space 1 feet
7- Track (IGA Dr 1) full, searching for a yard at destination (Marietta)
7- Could not find a yard at (Marietta) for car (WFEX 68249)
5- Did not assign a destination for car (WFEX 68249)
...
5- Find spur for car (PFE 95829) type (ReeferIce) custom load (MT-Reefer) at
5- (Marietta, IGA Dr 1)
7- Try destination (Atlanta Interchange, ATL Trk 2) for car (PFE 95829) with
7- load (MT-Reefer)
7- Train (#322) doesn't service location (Atlanta Interchange)
7-
7- Find train for car (PFE 95829) from (Marietta, IGA Dr 1) to (Atlanta
7- Interchange, ATL Trk 2)
7- Train (#120) doesn't service location (Marietta)
7- Train (#261) doesn't service location (Marietta)
7- Train (#290) doesn't service location (Marietta)
7- Train (#44) doesn't service location (Marietta)
7- Train (#49) doesn't service location (Marietta)
7- Train (#121) doesn't service location (Marietta)
7- Train (#45) doesn't service location (Marietta)
7- Train (#50) doesn't service location (Marietta)
7-
7- Router could not find a train able to transport car (PFE 95829) directly
7- from (Marietta) to (Atlanta Interchange) begin two train routing
7-
7- Router find C/I track for car (PFE 95829) final destination (Atlanta
7- Interchange, ATL Trk 2)
7-
7- Can't use C/I (Murphy, MU C/I Trk) for (PFE 95829) due to type (ReeferIce)
7-
7- Can't use C/I (Murphy, MU C/I Trk (50)) for (PFE 95829) due to type
7- (ReeferIce)
7-
7- Can't use C/I (Elizabeth, LIZ Trk 3 (322)) for (PFE 95829) due to car's
7- final destination (Atlanta Interchange) is not allowed by track (LIZ Trk
7- 3 (322))
7-
7- Can't use C/I (Copperhill, CH Trk 2 (120)) for (PFE 95829) due to car's
7- final destination (Atlanta Interchange) is not allowed by track (CH Trk 2
7- (120))
7-
7- Can't use C/I (Mineral Bluff, MB Siding) for (PFE 95829) due to type
7- (ReeferIce)
7-
7- Router found C/I track (Elizabeth, LIZ Trk7 (ATL)) for car (PFE 95829)
7-
7- Find train for car (PFE 95829) from (Elizabeth, LIZ Trk7 (ATL)) to
7- (Atlanta Interchange, ATL Trk 2)
7- Train (#120) doesn't service location (Atlanta Interchange)
7- Train (#261) can pull car (PFE 95829) from (Elizabeth, LIZ Trk7 (ATL))
7- route id (14r1)
7- Train (#261) can transport car (PFE 95829) from C/I (Elizabeth, LIZ Trk7
7- (ATL)) to (Atlanta Interchange, ATL Trk 2)
7- Route for car (PFE 95829): (Marietta, IGA Dr 1)->(#322)->(Elizabeth, LIZ
7- Trk7 (ATL))->(#261)->(Atlanta Interchange, ATL Trk 2)
7- Train (#322) can service car (PFE 95829) from (Marietta, IGA Dr 1) to C/I
7- (Elizabeth, LIZ Trk7 (ATL))
7- Car (PFE 95829) has assigned destination (Elizabeth, LIZ Trk7 (ATL))
3- Car (PFE 95829) assigned to train, destination (Elizabeth, LIZ Trk7 (ATL))

...
5- Car (WFEX 68249) type (ReeferIce) load (Peaches) at (Elizabeth, Liz Yard
5- Trks) has final destination (Marietta, IGA Dr 1) routing begins
7- Train (#322) can pull car (WFEX 68249) from (Elizabeth, Liz Yard Trks)
7- route id (18r1)
7- Train (#322) can transport car (WFEX 68249) from C/I (Elizabeth, Liz Yard
7- Trks) to (Marietta, IGA Dr 1)
7- Route for car (WFEX 68249): (Elizabeth, Liz Yard
7- Trks)->(#322)->(Marietta, IGA Dr 1)
7- Car (WFEX 68249) has assigned destination (Marietta, IGA Dr 1)
7- Car (WFEX 68249) can be serviced later from location (Elizabeth) route id
7- (18r3)
5- Destination (Marietta) not reachable from location (Elizabeth) route id
5- (18r5)
5- Did not assign a destination for car (WFEX 68249)

...
5- Car (WFEX 68249) type (ReeferIce) load (Peaches) at (Elizabeth, Liz Yard
5- Trks) has final destination (Marietta, IGA Dr 1) routing begins
7- Train (#322) can pull car (WFEX 68249) from (Elizabeth, Liz Yard Trks)
7- route id (18r1)
7- Train (#322) can transport car (WFEX 68249) from C/I (Elizabeth, Liz Yard
7- Trks) to (Marietta, IGA Dr 1)
7- Route for car (WFEX 68249): (Elizabeth, Liz Yard
7- Trks)->(#322)->(Marietta, IGA Dr 1)
7- Car (WFEX 68249) has assigned destination (Marietta, IGA Dr 1)
3- Car (WFEX 68249) assigned to train, destination (Marietta, IGA Dr 1)

..."



Phil (aka pesky computer geek) in gorgeous Young Harris, Georgia, USA

Phil

Is this the build report that works, or the one that fails?


Dan

Ooops. Your question made me realize that I was having this conversation after apparently being misled by someone (maybe the engineers) into believing this is a problem. It appears now that I am mistaken about the full spur causing delay in setouts (I knew I was missing something).

After the last Op Session, the question was raised to me why cars cannot be delivered to a full spur when a pickup is scheduled. I thought it would work, but when I hurriedly looked at the build report and saw the initial rejection due to spur length (without looking further), I then changed my route to allow another visit (incorrectly) thinking that this was the problem. If I _had_ looked further in the build report, I would have found that the rejected car is re-visited and assigned to that spur. I have built all the trains for July 1 Ops Session, but will go back and fix it (in my spare? time).

What I posted was parts of the build report from my "work-around" route where the train goes back to that town a second time.

However, after reading your question, I went back and looked at previous switchlists and build reports (which I should have done rather than relying on anecdotal evidence from casual observations of the layout), and this is not an issue. Looking at each of the previous 3 months (monthly Op Sessions), cars are picked up and setout at the single-car spurs on the same visit. Meaning that the aggressive mode does work as expected, contradicting the casual report from the layout.

Dan, thanks for taking the time to read and reply, and thanks for your excellent contributions to an amazing suite of programs known as JMRI.

Phil in gorgeous Young Harris, Georgia, USA