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I have two sw engines. Each one operates on a trigger. The first goes into the yard, couples to a consist and then takes the consist to a factory and loads. It returns the cars to another spur and uncouples and returns to the stall and waits for the trigger. A portal train brings empties and leaves them on the first track and then goes to the spur and picks up the fulls and takes them to the portal. On the exit it trips the trigger and the process starts over. The second sw operates much the same with a 10 minute wait before it begins. This system works great but you have to state in the trigger rule the name of the loco. You might call the trigger train "Chem-Train" or "Milk-Train" and then that is the only loco that can trip the trigger.

The best way to learn about triggers is het up a new track and draw a line of track that goes from one side of the start grid to the other side, -Then pick a train and make sure it has a driver.

In the cases of Accipiter777 and Mr_D using the post message and the wait for message and clear commands would eliminate the need for the trigger being set of by another train and would not require Double engined trains to have the AI at the front. These commands dont need to know what engine is being used it has its own tags that the driver sends out and any driver set up to wait for it will then carry out the next task. __________

Two or more triggers, triggered in order? How do I make two or more triggers work in order? So you could define the direction a train has to go over triggers to set a junction..

If you have your train drive to a trackmark and uncouple. The first section then departs via a trigger. A spare engine is parked in a siding and when the trigger is activated its driver moves to the remaining part of your train and then drives it in accordance with the instructions you have already input for him. i.e Main train has instructions similar to.. Drive to trackmark, Uncouple from, Drive to London. Spare engine has instructions similar to ... On trigger move to unit x. Drive to Bristol.. This should also work in reverse so that you can re-couple the two sections of your train and return the spare driver to the spare loco.

Ive been doing this for years, dont use a trigger as another train can sometimes set it off. You need a spare driveable asset (I use a car parked in the station car park), it will need a driver which you set up with all the commands for the tasks he will do as the second train. You need two trackmarks at each end of station named say P1 Dn and P1 Up. You will need the commands Post Message and Wait for Message and clear also the move to train at trackmark. Dont use move to train as the commands dont go with the driver. Add to the start of spare drive the command Wait for Message.

I finally got back to this one. Here's what I did, you can adapt it to your requirements. BTW this is in TRS2004 but all later versions should be identical or very similar. Layout: One baseboard, one straight track. In order: Where the loco starts Trigger TR1 Trackmark TM1 Trackmark TM2 Trackmark TM3 (It helps to put a building alongside each trigger/trackmark so you know where they are when driving) Place a loco at the starting position The objective is to make the loco drive to TM1, then drive back and forth between TM2 and TM3 forever. Rules (where each > represents one level of indent): Startup options - as normal Driver Setup - Drive to TM1 Driver Command - as normal Trigger Rule - Trigger TR1 > Ordered List - This process will be repeated 1 time > > Driver Setup - Drive to TM2, Drive to TM3, Repeat I hope you can copy this and get it going, and that it's of some help to you. I find one of the trickiest things is to keep the difference between Rules and Driver Commands clear in my head. John

The best way to learn about triggers is het up a new track and draw a line of track that goes from one side of the start grid to the other side,

So if you are trying this out, please use Trigger rule instead of Trigger check Unless you have managed to get it working with Trigger Check.. to me it appears to do nothing at all

more realistic AI-driver attitude I would like to see (as an update to all Trainz-Versions or at least as part of any new Trainz-Version) more realistic artifical inteligenced drivers in Trainz.

As for the "Ball and Flag" system given in this and another thread, we have the "Wait for Trigger..." driver command, which, I admit, is hidden by default. Go into the driver commands rule to make it visible. With enough forethought, it behaves in exactly the same way, Just on triggers and has to be inserted for every driver using that single track. Though that only works with AI. Us humans have the layout map. Having these automated systems would be a help, but there are already driver commands that work the same way.

I agree that the shortest route thing is annoying as well. I've gotten around it by by placing a trackmark on the main track, and I use that when I'm programming the drivers. Another thing I've done is to place a freight car or two on the sidings to force the AI to take the mainline instead of driving through the yard. I agree with Stefan. The routing should be based on locale rather than built-in short-distance seeking algorithms, which I think cause a lot of overhead on the program because the AI system is constantly seeking for an open path. John

Additionally, there are commands available that will check the status of industries, then once they need servicing you can have a train deliver to them or pick up from them.

You might check out atilabarut's message rules. Download these and read: PostMessage,<kuid:131986:210002> WaitForMessage,<kuid:131986:1029> WaitForMessage,<kuid:131986:210005> You can put these rules in the driver schedule without the need for programming expertise.

Layout: One baseboard, one straight track. In order: Where the loco starts Trigger TR1 Trackmark TM1 Trackmark TM2 Trackmark TM3 (It helps to put a building alongside each trigger/trackmark so you know where they are when driving)

The Problem The problem we get with single line routes is the AI will lock the junction out of a passing loop, meaning for you to gain access to pass the AI you have to stop the AI's commands so it will free the loop. If you

For anyone interested in this issue, the above solution actually does NOT work as intended. More on this in this thread: http://forums.auran.com/trainz/showthread.php?t=30085 I did however solve the bridge-signaling problem in another way, it's posted here: http://forums.auran.com/trainz/showthread.php?t=30147 __________________

Actually, it was simple. All I had to do was add a consist check rule and it works like a charm. I hate html's thou

Hi DonVrx, Simple realy when you think about it, a drive command is one off. A drive schedule is a series of drive commands strung together one after the other. When the AI driver completes one command he will look for the next command, if there is no more commands he will stop. If you have a continuous track i.e. a loop you can place a repeat after the last command, this will cause a completed command to be added at the end of the list and used again after all the others have been completed. Cheers, Bill69

I have used the Schedule Library and the Copy Schedule command to build a schedule for my AI drivers. The Schedule Library lets you setup a schedule of commands all at once and then share the set of command with more than one driver using the Copy Schedule command. This is easier than setting up each command again for multiple drivers. The schedule command its self is more work. I've used that for passenger trains once, but it was hard to calculate how long a train would take to get between stations because the AI are so unpredictable. John

Having a schedule is great for passenger service. Trains leave and arrive at particular times day and night on a consistent basis in real life. By doing this in Trainz, we can make the running more realistic, and have to work the freights in between the scheduled passenger trains as the freights can't get in the way of the highballers. John

Ive been doing this for years, dont use a trigger as another train can sometimes set it off. You need a spare driveable asset (I use a car parked in the station car park), it will need a driver which you set up with all the commands for the tasks he will do as the second train. You need two trackmarks at each end of station named say P1 Dn and P1 Up. You will need the commands Post Message and Wait for Message and clear also the move to train at trackmark. Dont use move to train as the commands dont go with the driver. Add to the start of spare drive the command Wait for Message.