Current ones are just a try because i've tried many other ways so just ignore them.
I've tried doing them just like in this image:
Problem is that the last signal does not turn green at all. I mean the very exit signal.
Station signals problem
Moderator: OpenTTD Developers
Station signals problem
I'm having problems with the station signals. How would you do them for a station like this:
Current ones are just a try because i've tried many other ways so just ignore them.
I've tried doing them just like in this image:
Problem is that the last signal does not turn green at all. I mean the very exit signal.
Current ones are just a try because i've tried many other ways so just ignore them.
I've tried doing them just like in this image:
Problem is that the last signal does not turn green at all. I mean the very exit signal.
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lucaspiller
- Tycoon
- Posts: 1228
- Joined: 18 Apr 2004 20:27
Well you need signals on all of the track, not just at a station. The main way that signals work is through 'block signalling', the track is divided up into sections called 'blocks', with a signal at each end. Only one train is allowed into each block, which prevents collisions. In real life the signals in each block need to be a certain distant apart to give a train time to slow down, but in (Open)TTD this is not an issue, so you can have blocks as small as you want.
Block signalling has its disadvantages though, on a high capacity network you may have a big block with many tracks leading in and out of it. As only one train is allowed into the block at a time this will cause problems. The first is that a train may enter a block without the exit being clear, so a deadlock could occur. As such in TTDPatch and OpenTTD pre-signals have been developed. These only allow a train into a block if an exit is clear, but does not give you control over which exit is clear. For more information on this have a look at the wiki page about it.
Even pre-signals have their disadvantages though, as I said, it does not give you control over which exit is clear, and still only allows one train in a block at a time. As such in the past few months TTDPatch and OpenTTD have both developed path based signalling (this is so new that they are not yet in a release version, but for OpenTTD you can get it in the nightlies). With path based signalling (or PBS for short), when a train is about to enter a block it checks whether the exit is wants to take is clear, and if so it tries to find a route to this exit that is not in use. If it finds a route, it then reserves it, so that no other trains can cross this route. This prevents both collisions, and allows you to have multiple trains in one block. There are still a few bugs with it though, so it is best not to use this everywhere. For more information on this, have a look at the path based signalling wiki page.
I hope this helps, and I hope I understood what you problem was, and didn't write this all for nothing.
Block signalling has its disadvantages though, on a high capacity network you may have a big block with many tracks leading in and out of it. As only one train is allowed into the block at a time this will cause problems. The first is that a train may enter a block without the exit being clear, so a deadlock could occur. As such in TTDPatch and OpenTTD pre-signals have been developed. These only allow a train into a block if an exit is clear, but does not give you control over which exit is clear. For more information on this have a look at the wiki page about it.
Even pre-signals have their disadvantages though, as I said, it does not give you control over which exit is clear, and still only allows one train in a block at a time. As such in the past few months TTDPatch and OpenTTD have both developed path based signalling (this is so new that they are not yet in a release version, but for OpenTTD you can get it in the nightlies). With path based signalling (or PBS for short), when a train is about to enter a block it checks whether the exit is wants to take is clear, and if so it tries to find a route to this exit that is not in use. If it finds a route, it then reserves it, so that no other trains can cross this route. This prevents both collisions, and allows you to have multiple trains in one block. There are still a few bugs with it though, so it is best not to use this everywhere. For more information on this, have a look at the path based signalling wiki page.
I hope this helps, and I hope I understood what you problem was, and didn't write this all for nothing.
No longer active here, but you can still reach me via email: luca[at]stackednotion[dot]com
You should also use entry and exit signals at the stations entry and exit like so:Spoco wrote:Thanks A LOT! I built signals all over the track and it seems to work now.
Uncle Dex Says: Follow the KISS Principle!
How do they help? I haven't had any problems after i placed the signals around the track. Trains choose a free platform if there's already a train in the first one.. I also converted the whole track into a monorail track.
Here's a new pic of the working track:
There's about 8 trains on it now. Could be more though. And looks like I wouldn't even need the waypoints. The trains can make the right turns even without them, but i use them anyways.
By the way, what causes 3-4 pieces of a railroad/monorail to disappear? This has happened in my game some times now. I didn't notice it until the train was reported lost. I'm sure i did not delete them my self. Is it a disaster of some kind? I didn't see any news of a disaster. Is it the mysterious UFO landing? I thought they wouldn't do anything cause they just land and then sit there for a long time.
Here's a new pic of the working track:
There's about 8 trains on it now. Could be more though. And looks like I wouldn't even need the waypoints. The trains can make the right turns even without them, but i use them anyways.
By the way, what causes 3-4 pieces of a railroad/monorail to disappear? This has happened in my game some times now. I didn't notice it until the train was reported lost. I'm sure i did not delete them my self. Is it a disaster of some kind? I didn't see any news of a disaster. Is it the mysterious UFO landing? I thought they wouldn't do anything cause they just land and then sit there for a long time.
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LordOfThePigs
- Route Supervisor
- Posts: 435
- Joined: 01 Jul 2004 10:28
- Location: Jura/Switzerland
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