Junctions & Trackmarks
- Thread starter Merv0728
- Start date
Trackmarks & Junctions
Hi Dermmy,
thanks for the reply.
I don't understand "The TM allows two (or even three) possible identities for each junction..." & my understanding is that a trackmark is not part of a junction & has only one identity, i.e. its name.
As for the path,that could have been taken care of by :-
Navigate Via J1
Navigate to TM1 or TM2
or Navigate via J1
Navigate via J2
Navigate to TM
BTW I'm using T2009
regards
Alan
Hi Dermmy,
thanks for the reply.
I don't understand "The TM allows two (or even three) possible identities for each junction..." & my understanding is that a trackmark is not part of a junction & has only one identity, i.e. its name.
As for the path,that could have been taken care of by :-
Navigate Via J1
Navigate to TM1 or TM2
or Navigate via J1
Navigate via J2
Navigate to TM
BTW I'm using T2009
regards
Alan
Hi Alan
Consider this:
I can see the point of 'Navigate TO TM1', but you wouldn't stop at the junction, you want to stop before the junction.
"Navigate via J1" is a command I honestly can't see using. The point of Nav VIA is to direct AI traffic to a specific point. Via J1 tells the train nothing about where it should go. Directing the AI to Navigate viaTM2 or via TM3 tells it what to do at the junction.
"Navigate via J1" would need to be followed by a second command to drive to or via something else to establish which route to take. If it doesn't matter which route is taken at the lever there is no need for a command at all...
Andy
Consider this:
I can see the point of 'Navigate TO TM1', but you wouldn't stop at the junction, you want to stop before the junction.
"Navigate via J1" is a command I honestly can't see using. The point of Nav VIA is to direct AI traffic to a specific point. Via J1 tells the train nothing about where it should go. Directing the AI to Navigate viaTM2 or via TM3 tells it what to do at the junction.
"Navigate via J1" would need to be followed by a second command to drive to or via something else to establish which route to take. If it doesn't matter which route is taken at the lever there is no need for a command at all...
Andy
The problem with having Junctions as Trackmarks is that
It won't start looking for TM2-J1 until it has found TM1-J1 and by this time the train will be too close to the points to allow the points to change to the right piece of track as the track points are defaulted to TM3-J1.
So it is far better to have Trackmarks rather than Junction marks.
It won't start looking for TM2-J1 until it has found TM1-J1 and by this time the train will be too close to the points to allow the points to change to the right piece of track as the track points are defaulted to TM3-J1.
So it is far better to have Trackmarks rather than Junction marks.