Trains do not follow track on all in 1 asset 1-beton 52m BLP. Any reason why?

[belgian46]

Hello,


I have done some tests using the all in one asset 1-beton 52m BLP ( kuidnr 99999:79531 ) and asset 1-hout 52 m BLP ( ( kuidnr 99999:79521 ).
When driving a train on the track, I notice that the trains do not remain on the track. Using several other trains and other tracks, I don't have this phenomenon.

Does anyone know why this happens?

Best regards

Kurt :wave:

 

[belgian46]

Hello,

A few pictures to show the situation

Best regards

Kurt :wave:

 

[Shortline2]

Hi,

First though, the track mesh is not built centered on the X axis where each of the rail is as far from X axis = 0 as the other rail. All rail meshes need to be built with the rail at equal distance, one on positive direction and one in negative direction along the X axis.

Trainz as a program only drive trains along a center line following X=0, a line we never see, and whenever a track is build of center it would look like this.

There are some other possible ways, depending on how the asset is set up to also have it of center like this, but then it used a different kind and I doubt that is the reason to what you see.

Not seen the track it self, I can't tell for sure if what I think is the reason is really the reason, but in case it is what I wrote above, only the creator can fix it.
If it is using the kind bridge to it might be possible to fix in through the config, but I am not sure.

Hope it answer some of your questions.

Best wishes

Linda

 

[belgian46]

Hi,

First though, the track mesh is not built centered on the X axis where each of the rail is as far from X axis = 0 as the other rail. All rail meshes need to be built with the rail at equal distance, one on positive direction and one in negative direction along the X axis.

Trainz as a program only drive trains along a center line following X=0, a line we never see, and whenever a track is build of center it would look like this.

There are some other possible ways, depending on how the asset is set up to also have it of center like this, but then it used a different kind and I doubt that is the reason to what you see.

Not seen the track it self, I can't tell for sure if what I think is the reason is really the reason, but in case it is what I wrote above, only the creator can fix it.
If it is using the kind bridge to it might be possible to fix in through the config, but I am not sure.

Hope it answer some of your questions.

Best wishes

Linda

Hello Linda,

Thank you for your reply.

How did you find out that the track mesh is not built centered on the X-as? Is this always the case, when a train is not following a track?

I tried to contact the creator of the asset, but unfortunately, no reply was received from the creator him/herself.

Best regards

Kurt :wave:

 

[Shortline2]

Hi Kurt,

In this particular track you asked about I have not checked it, so it was more a general thought about one possible way the thing you have experienced might happen due to.

What I know from having built several track meshes in 3D over the years though that in order for any train to follow the rails of a track is that the rails have to be equal distance on the X-axis in the positive and negative direction. And you images made it appear that maybe possible this track is not built like that.
No idea, I think I need to download and look at the track it self in a mesh viewer and try check it there, or, inside Trainz, connect it to another track behaving the way it should, and see of the rails match up.
That might be the fastest.

Just late night thoughts.

Best wishes

Linda

 

[Dinorius_Redundicus]

Yes, as Linda said, if you can open the .im mesh file for this track in PEV Mesh Viewer, with XYZ axes visible, you will see if the 2 rails are placed symmetrically from X=0. If that is the case, I think only the creator should fix it. Any fix that you may do in the config.txt will be only a local solution on your own computer - it will not be seen by other users if you use that track in any layout that you distribute.

 

[martinvk]

If you join this track to another track, any mismatch should be pretty obvious.

You could also try joining to a reversed section of itself. Given three points in a straight line: A,B and C, lay one section of track from A to B and then another section of track from C to B. Do the rails join smoothly?

 

[belgian46]

Hi Kurt,

In this particular track you asked about I have not checked it, so it was more a general thought about one possible way the thing you have experienced might happen due to.

What I know from having built several track meshes in 3D over the years though that in order for any train to follow the rails of a track is that the rails have to be equal distance on the X-axis in the positive and negative direction. And you images made it appear that maybe possible this track is not built like that.
No idea, I think I need to download and look at the track it self in a mesh viewer and try check it there, or, inside Trainz, connect it to another track behaving the way it should, and see of the rails match up.
That might be the fastest.

Just late night thoughts.

Best wishes

Linda

Yes, as Linda said, if you can open the .im mesh file for this track in PEV Mesh Viewer, with XYZ axes visible, you will see if the 2 rails are placed symmetrically from X=0. If that is the case, I think only the creator should fix it. Any fix that you may do in the config.txt will be only a local solution on your own computer - it will not be seen by other users if you use that track in any layout that you distribute.

Hello Linda, Dinorius_Redundicus,

Thank you for the extra info.

Here is a picture when opening the im-file in mesh-viewer.

Do you see anything wrong?

Best regards

Kurt :wave:

 

[belgian46]

If you join this track to another track, any mismatch should be pretty obvious.

You could also try joining to a reversed section of itself. Given three points in a straight line: A,B and C, lay one section of track from A to B and then another section of track from C to B. Do the rails join smoothly?

Hello Martinvk,

Thank you for you reply. I connected the 1-beton 52m blp with hp concrete track . No problem connecting them. Joing the track to a reversed section of itself was no problem either.

Tracks joining smoothly.

Best regards

Kurt :wave:

 

[p-dehnert]

The mesh of this track has a length of 52 meters, and it is not bendable. When used for a curve, it approximates the curve with 52m long straight sections. The train follows the calculated curve instead of the visual representation by this spline.

Peter

 

[Shortline2]

Hello Kurt,

Thank you for the screenshot, at least we know the track is correct as it is centered as it should. It is joining other tracks, it self and the mesh view also say the same story.

So, something else going on. I see Peter above here as a possible cause, I can't fully make out from your images where the locomotive is shown if there is a curve in the track or not, but his idea sounds like a possible way but has no way to check as I found I had to register to download the track and I don't want to do that just to satisfy my own curiosity.

Another possible cause might be in the config setup, but I doubt that is the cause here, as it appears to be a regular track of the kind track in the config and not kind bridge.
As long as you can use the track and make spline switches with it, it is kind track so for lack of better ideas I think Peter is into something.

Best wishes

Linda

 

[belgian46]

The mesh of this track has a length of 52 meters, and it is not bendable. When used for a curve, it approximates the curve with 52m long straight sections. The train follows the calculated curve instead of the visual representation by this spline.

Peter

Hello Peter,

Would it make a difference it I activated the quote bendy option unquote in the config text or content creator plus?

Best regards

Kurt :wave:

 

[belgian46]

Hello Kurt,

Thank you for the screenshot, at least we know the track is correct as it is centered as it should. It is joining other tracks, it self and the mesh view also say the same story.

So, something else going on. I see Peter above here as a possible cause, I can't fully make out from your images where the locomotive is shown if there is a curve in the track or not, but his idea sounds like a possible way but has no way to check as I found I had to register to download the track and I don't want to do that just to satisfy my own curiosity.

Another possible cause might be in the config setup, but I doubt that is the cause here, as it appears to be a regular track of the kind track in the config and not kind bridge.
As long as you can use the track and make spline switches with it, it is kind track so for lack of better ideas I think Peter is into something.

Best wishes

Linda

Hello Linda,

Thank you for the confirmation about the centering position of the track.

About the position of the train : When I leave the station in a straight line the train remains on the track. As the track is leaving a straight line, the train also leaves the track. After a while the train again follows the track, however to leave it again after a while. This is a constant process.

But hey Linda, here is a link https://dl.dropbox.com/u/19070177/1-beton 52m BLP.cdp to download the all in 1 track 1-beton 52 m BLP . Perhaps you will find something else .

Best regards

Kurt :wave:

 

[p-dehnert]

Changing 'bendy 0" to 'bendy 1' doesn't really improve anything. The track is still straight, only the upper part of the catenary is bending. The track and the lower wire of the catenary are unbendable, these parts don't have any intermediate vertices, which are needed for bending.

Peter

 

[belgian46]

Changing 'bendy 0" to 'bendy 1' doesn't really improve anything. The track is still straight, only the upper part of the catenary is bending. The track and the lower wire of the catenary are unbendable, these parts don't have any intermediate vertices, which are needed for bending.

Peter

Hello Peter,

OK - thank you for the explanation. Something I have to note in my test-book.

If I only could make such an asset myself, that I can use in straight and curved situations, but unfortunately I still haven't found the exact chemistry.

Best regards

Kurt :wave:

 

[martinvk]

Interesting, the 52m in the track name suggests that there might be other lengths. Have you looked to see perhaps there are others with shorter mesh lengths like 26m or 13m or some other variation?

 

[belgian46]

Interesting, the 52m in the track name suggests that there might be other lengths. Have you looked to see perhaps there are others with shorter mesh lengths like 26m or 13m or some other variation?

Hello Martinvk,

Up to now, I only found the asset 1-hout 52m BLP. Same construction. I will continue my search for a shorter version of the same type of asset.

Best regards

Kurt :wave:

 

[belgian46]

Hello Martinvk,

Up to now, I only found the asset 1-hout 52m BLP. Same construction. I will continue my search for a shorter version of the same type of asset.

Best regards

Kurt :wave:

Hello Martinvk,

Did my search on the DLS and other forums - but I didn't find a shorter version of an all in one asset created by g.m.

Best regards

Kurt :wave:

 

[martinvk]

Which leads to the next best solution, make some!

Oh it's not as hard as some would make you think, especially if you start from an existing one that works. Study the config file and see what parts you need to make. Tracks are not very complicated objects, no animation, few parts. The trick is to keep the number of polys as few as possible and still have a good looking object. We want a low number polys per meter because there will often be a lot of track in view and it all needs to be rendered.

Once the rough outline has been made, it's just a matter of refining the look until you're satisfied.

 

[martinvk]

Have you looked at http://www.trainzonline.nl/

Rails Set (hout/beton)
Land / Regio: NL
Auteur: gm
Bestand: cdp, 1.4 MB
Versie: 1
Beschikbaar: 24 August 2011​

There is a set that contains among others:

KUID(s) in ... download:
1-beton 2m,<99999:79532>
1-beton 4m chunky,<99999:79535>
1-beton 52m,<99999:38152>
1-beton 52m BLP,<99999:79531>​

You'll probably need to register to download the set. It also helps if you can read Dutch