Alternative Rail Simulator Export

Ambient affects Emissive in KRS so low values make the whole model darker.
Diffuse affects Ambient (which darkens shaded faces)
It looks a bit odd but it is actually the same as what 3DC does internally.

Specular is actually setting CUSTOMPARAM0, Specular Power is set to 1.0 by default – this only works if you have Spec in the shader name.

Note – Specular maps are NEVER used.

I think the new Exporter great and I am thankful for the work.

But I have a wagon, which I can export with the old version, with the new one the Blueprint editor crash. Has anyone else this problem or is it an isolated case? I search and search the reason but …


I had this also, it turned out to be a wrongly placed environment map texture.
I had placed the environment texture in the specular slot instead in the environment map slot.
After putting it in the right place, I could load the .IGS file without errors in the blue print editor.


Sorry about the slow reply, I had rejoin as the forum suddenly does not like me.
Thanks HondaWiz that was a good clue, and yes you was right. I had one part with a shader of TrainBumpSpecEnvMask.fx but it did not have a texture other the the primary one. No BumpSpecEnv textures assigned.
Once I changed shader to TexDiff The model converted and the blueprint editor liked it.
To double check I went back and changed it to TrainBumpSpecEnvMask.fx again, but assigned the missing textures for BumpSpecEnv and again exported fine and Blueprint edit liked it.
So the New Exporter will let you export with errors in shaders/textures but don’t expect the blueprint editor to like it

That is so embarrassing.
Analyzed as long as the error. And have not seen… But it also has me a bump texture missing.

thanks very very much

ok, I am not sure if Pauls aware this problem, and hes away at the moment. One of us needs to remember to brig it to his notice at some point.

Back from NE Spain – nice railway museum at Villanova if you ever get there.

I was semi-aware of the problem, the new exporter is a little more sensitive to textures and shaders.
I may try and make it a bit more friendly soon.

All materials must have a texture.
Any shaders with bump in the name must have a bump map and any shader with env in the name must have an env map.
The env map used is replaced by a custom map in the sim so you can actually use the main texture as the env map too, so no need for a dummy env map.

welcome back. I am not sure it needs fixing as such, as long as we are aware of it.
Is there a way the exporter can warn us we have missed a texture slot maybe?


I have this problem with the latest version of the exporter:
‘Run-time error ‘9’

Subscript out of range.’
After this, 3DC 7.12 says (from the log file)
’18/09/2009 | 15.19.20 | Error #: 440 Error Description: Automation error Error Location: 3DC’

I have seen this pop up with very bigs objects and with a pair of trees of only 100 polys and 10 groups.
I have double checked all the shaders, textures, shadowmaps, groups names etc… and there are no errors.
In one case, adding a cube (with a shader and a tex) to a perfectly exported scene, cause the problem… <!– s:( –><img src="{SMILIES_PATH}/icon_e_sad.gif" alt=":(" title="Sad" /><!– s:( –>



Not an easy error to find – could you e-mail me the 3DC file and textures?

Most of these problems are usually texture/shader related.

Hi Paul.
I have found the source of the error: it’s the maximum number of characters inside the groupes names.
With 25 characters everything is working well but if a group has a name of 26 characters… error9. <!– s8-) –><img src="{SMILIES_PATH}/icon_cool.gif" alt="8-)" title="Cool" /><!– s8-) –>
Too many ‘create unique names’ in a raw can cause a group name to became veeeeery long <!– s:D –><img src="{SMILIES_PATH}/icon_e_biggrin.gif" alt=":D" title="Very Happy" /><!– s:D –>

Well spotted

– group names in the IGS file have a 32 character limit, including the first 7 characters for the LOD e.g. ‘1_1000_’

Hi (and to whom this may concern),

Just trying to follow the new exporting tools for RS/RW.

1) So these are not included in the 7.1.2 download (is that right?).

2) The actual new tools are the links I see at the bottom of Paul’s post (is that right?) I saw at least 3, how do I know I got the most current version?

4) Do I only use the new exporting tools period? Or are there times I use the ones still included with 3DC 7.1.2?

Just asking for clarification’s sake. Thanks Paul for doing these exporting tools. I finally see my tree rotating. Now to get rid of that big white square around it! <!– s:) –><img src="{SMILIES_PATH}/icon_e_smile.gif" alt=":)" title="Smile" /><!– s:) –>

Rich Garber

Hi Rich,

1) Yes 7.1.2 is the best one to use.

2) the one on page 4 of this thread is the best one but the one on my blog
<!– m –><a class="postlink" href="…ds/">…ds/</a>&lt;!– m –>

and the one on my brinkster website from the 26th March are OK too (The website date is wrong)

3) missed that one <!– s:) –><img src="{SMILIES_PATH}/icon_e_smile.gif" alt=":)" title="Smile" /><!– s:) –>

4) Use the new option for IGS files unless it doesn’t work. If the old export for IGS does work post here <!– s:) –><img src="{SMILIES_PATH}/icon_e_smile.gif" alt=":)" title="Smile" /><!– s:) –>
The included .IA exporter is still needed for animations.

Ohh, hey Paul, how ya doing? I could have sworn I just read over at you weren’t doing anything with RW so I wasn’t sure what the arrangement was with the exporting tools. That’s great you’re still doing this!

1) I meant by #1 I don’t quite understand why is still pushing the exporting tools that don’t work properly. I spent an hour scratching my head trying to make them work and figured your working exporting tools must be somewhere else and came to this thread. It was just confusing is all, not complaining.

2) Got the one from page 4. Will the next best version show up in this thread or the blog? But shouldn’t this plug-in be offered in the 3dC download section or is there that bad a shortage of people developing for RW that it’s not needed?

3) ???? (an example of why late night posting is not a good idea!)

4) Gotcha, thanks!

5) I’d like to try 3DC 8, will these exporting tools work properly if I upgrade to 8?

Thanks again Paul! Got rid of the white around my tree and it’s rotating, just gotta do a selection box and they’ll be more trees in my route.

Rich Garber

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