How to Use Procedural Track

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The information in this Wiki Page applies to '''TANE''', '''TRS19''' and '''Trainz Plus'''. This guide covers the use of procedural track in Trainz Surveyor, not how to create procedural track assets.  
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The information in this Wiki Page applies to '''TANE''', '''TRS19''', '''Trainz Plus''' and '''TRS22'''. This guide covers the use of procedural track in Trainz Surveyor, not how to create procedural track assets - see '''Trainz Wiki Links''' at the bottom of this page.</td>
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__TOC__
 
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='''What is Procedural Track?'''=
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<td colspan=2><span style="font-size: 17px; font-weight: 700;">In Summary:</span></td>
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<td width=10>[[image:BlueDot10x10.png|link=]]</td>
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<td>'''Procedural tracks are specific track splines that have been created for use with Trainz versions from T:ANE onwards'''</td>
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<td>[[image:DotPoint.JPG|link=]]</td>
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<td width=10>[[image:BlueDot10x10.png|link=]]</td>
 
<td>'''Procedural tracks provide animated switch points plus check rails and frogs at track junctions'''</td>
 
<td>'''Procedural tracks provide animated switch points plus check rails and frogs at track junctions'''</td>
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<td width=729>&nbsp;</td>
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<td width=46>&nbsp;</td>
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<td width=75>&nbsp;</td>
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<td width=75>[[file:NextDown.png|link=#stepID|alt=Next Down|Next Down]]</td>
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<td width=75>[[file:BackToBottom.png|link=#bottom|alt=Bottom|Bottom]]</td>
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</table> <!-- END Nav Buttons Table -->
  
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Procedural track works just like the standard pre-TANE track (non-procedural track) but provides additional cosmetic features.
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='''What is Procedural Track?'''=
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Procedural track works just like the standard (or "non-procedural") track that was the only type available before '''T:ANE'''. However, it provides additional cosmetic features (animated blades plus frogs and check rails) to junctions. These features are built into the track asset and do not have to be manually added when laying track.</td>
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<br>
  
 
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<table>
 
<tr valign="top">
 
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<td align="center" bgcolor="lightcyan">'''Procedural Track'''<br>
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<td align="center" bgcolor="lightcyan">
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[[image:Procedural-LeftPath.png|link=]][[image:Procedural-RightPath.png|link=]]</td>
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<span style="font-weight: 700; font-size: 17px;">Procedural Track</span><br>
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<td align="center" bgcolor="lightyellow">'''Non Procedural Track'''<br>
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[[image:Procedural-LeftPath.png|link=]][[image:Procedural-RightPath.png|link=]]
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</td>
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<td align="center" bgcolor="lightyellow"><span style="font-weight: 700; font-size: 17px;">Non Procedural Track</span><br>
 
[[image:Procedural-NoPath.png|link=]]</td>
 
[[image:Procedural-NoPath.png|link=]]</td>
 
</tr>
 
</tr>
 
</table>
 
</table>
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The switch blade animation will show in both '''Driver''' and '''Surveyor''' but in '''TRS19 Platinum Edition''' and '''Trainz Plus''' the '''Pause''' option in '''Surveyor''' must be checked '''OFF'''.
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[[image:Procedural-CheckPauseOFF.png|link=]]
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<td>[[file:NotePad.PNG|link=]]</td>
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<td colspan=2><span style="font-size: 17px; font-weight: 700;">Notes:'''</span><br>
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----
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The switch blade animation will show in both '''Driver''' and '''Surveyor''' but in '''TRS19''' and later versions the '''Pause''' option in '''Surveyor''' must be checked '''OFF''' (no tick).</td>
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<td>&nbsp;</td>
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<td>[[image:Procedural-CheckPauseOFF.png|link=]]</td>
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<td colspan=2><span style="font-size: 17px; font-weight: 700;">Warning:</span></td>
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<td>[[image:Stop.PNG|link=]]</td>
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<td>If you turn pause '''OFF''' after using the '''UDS''' (available in '''TRS19 Platinum Edition''' and later '''Trainz''' versions) to switch from '''Driver''' to '''Surveyor''' then any consists that were moving in '''Driver''' will immediately start moving in '''Surveyor''' which can result in collisions and derailments
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<tr valign="top">
 
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<td align="center" bgcolor="lightcyan">'''Procedural Track'''<br>
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<td align="center" bgcolor="lightcyan"><span style="font-weight: 700; font-size: 17px;">Procedural Track</span><br>
 
[[image:Procedural-FrogsCheckRails.png|link=]]</td>
 
[[image:Procedural-FrogsCheckRails.png|link=]]</td>
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<td align="center" bgcolor="lightyellow">'''Non Procedural Track'''<br>
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<td align="center" bgcolor="lightyellow"><span style="font-weight: 700; font-size: 17px;">Non Procedural Track</span><br>
 
[[image:Procedural-NonFrogsCheckRails.png|link=]]</td>
 
[[image:Procedural-NonFrogsCheckRails.png|link=]]</td>
 
</tr>
 
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<table> <!-- BEGIN Nav Buttons Table -->
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<td width=729><span id="stepID"></span>&nbsp;</td>
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<td width=46>[[file:BackToTop.png|link=#top|alt=Top|Top]]</td>
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<td width=75>[[file:NextUp.png|link=#top|alt=Next Up|Top]]</td>
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<td width=75>[[file:NextDown.png|link=#stepErrors|alt=Next Down|Next Down]]</td>
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<td width=75>[[file:BackToBottom.png|link=#bottom|alt=Bottom|Bottom]]</td>
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</table> <!-- END Nav Buttons Table -->
  
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These features are built into the track asset and do not have to be manually added when laying track.
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='''Identifying Procedural Track'''=
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There is no specific content category, such as "Track, procedural", that can be used to distinguish between procedural and non-procedural track assets. Like many assets it relies on the name given to the asset by the content creator. Most creators seem to have included the characters '''PRO''' in the track name - for example "Protrack", "Procedural" or just "Pro". This can be used to narrow down the search in '''CM'''. A typical '''CM''' custom filter that would have a good chance of identifying most procedural track assets is shown below.</td>
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<td>[[image:Procedural-CMFilter.png|link=]]</td>
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<td>
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<table bgcolor=#000000>
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<tr valign="top">
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<td>
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<table bgcolor=#ffffe0>
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<td>[[image:PencilTips.PNG|link=]]</td>
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<td>All procedural track assets have a '''minimum build version''' of '''4.2''' - but this <span style="font-weight: 700; font-size: 15px;">does not</span> mean that any track with this build number (or above) will be procedural.</td>
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</td>
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</td>
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='''Laying Procedural Track'''=
 
='''Laying Procedural Track'''=
  
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<table cellpadding="4" bgcolor=#c1e7e7>
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<table width=1000 bgcolor="lightcyan" cellpadding=2>
 
<tr valign="top">
 
<tr valign="top">
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<td>[[file:DotPoint.JPG|link=]]</td>
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<td width=10>[[image:BlueDot10x10.png|link=]]</td>
 
<td>'''The "fall-back" position for procedural track is to act and look like ordinary (non-procedural) track'''</td>
 
<td>'''The "fall-back" position for procedural track is to act and look like ordinary (non-procedural) track'''</td>
 
</tr>
 
</tr>
 
</table>
 
</table>
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<br>
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<td>Procedural tracks are laid down in '''Surveyor''' just like any other track. Track junctions are formed in the same way as they are when using non-procedural tracks. The difference is that the additional features (animated switch blades, frogs and check rails) are automatically added when a track junction is '''correctly''' formed using procedural tracks.
  
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Procedural track is laid down in '''Surveyor''' just like any other track. Track junctions are formed in the same way as they are when using non-procedural track assets. The difference is that the additional features shown above (animated switch blades, frogs and check rails) are automatically added when a track junction is '''correctly''' formed using procedural tracks.
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<span style="background-color: #ffffb0; font-weight: 700;"> Faulty (incorrectly formed) procedural track junctions will work perfectly well as ''non-procedural'' junctions </span> - they can be switched left and right, and trains will pass over them correctly. But the special features that they have will not appear.</td>
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<span style="background-color: yellow; font-weight: 700;"> Faulty (incorrectly formed) procedural track junctions will work perfectly well as ''non-procedural'' junctions </span> - they can be switched left and right, and trains will pass over them correctly. But the special features that they have will not appear.
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<td width=10>[[image:BlueDot10x10.png|link=]]</td>
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<td>A '''red track spline circle''' or a '''red spline endpoint dot''' in '''Surveyor''' indicates that the procedural track junction is faulty</td>
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</tr>
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<br>
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<td colspan=2 align="center" bgcolor=#0000ff><span style="font-weight: 700; font-size: 15px; color: white;">Surveyor Classic</span></td>
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<table cellpadding="4" bgcolor=#c1e7e7>
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<table width=996 bgcolor=#ffffff cellpadding=2>
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<td width=300>[[image:Procedural-ErrorRedSpline.png|link=]]</td>
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<td>Faulty procedural track junctions are indicted in '''Surveyor Classic''' (shown on the left) by:-
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<tr valign="top">
 
<tr valign="top">
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<td>[[file:DotPoint.JPG|link=]]</td>
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<td width=10>[[image:DotPoint.JPG|10px|link=]]</td>
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<td>A '''red spline circle''' indicates that the procedural track junction is faulty</td>
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<td>solid red track spline circles, or</td>
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</tr>
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<tr valign="top">
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<td>[[image:DotPoint.JPG|10px|link=]]</td>
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<td>flashing red/white or red/yellow track spline circles</td>
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</tr>
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<tr valign="top">
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<td colspan=2>Another indicator is the absence of the moveable switch blade and the check rails/frogs in the junction.</td>
 
</tr>
 
</tr>
 
</table>
 
</table>
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</td>
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</td>
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<br>
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<td colspan=4 align="center" bgcolor=#0000ff><span style="font-weight: 700; font-size: 15px; color: white;">Surveyor 2.0</span></td>
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<td>
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<td>[[image:Procedural-S20-Normal.png|link=]]<br>
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A normal procedural track junction in '''Surveyor 2.0''' is shown as a '''black''' track spline point</td>
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</td>
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<td width=5>&nbsp;</td>
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<td>
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<td>[[image:Procedural-S20-NotNormal.png|link=]]<br>
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A faulty procedural track junction in '''Surveyor 2.0''' is shown as a <span style="color: red; font-weight: 700;">red</span> track spline point</td>
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<td colspan=2>Faulty procedural track junctions are indicted in '''Surveyor 2.0'''  (shown left and in '''Trainz Plus''' and '''TRS22 Platinum''' only) by:-</td>
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</tr>
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<tr valign="top">
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<td width=10>[[image:DotPoint.JPG|10px|link=]]</td>
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<td>a red spline endpoint dot</td>
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</tr>
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<tr valign="top">
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<td colspan=2>Another indicator is the absence of the moveable switch blade and the check rails/frogs in the junction.</td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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<br>
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<table> <!-- BEGIN Nav Buttons Table -->
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<tr valign="top">
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<td width=729><span id="stepErrors"></span>&nbsp;</td>
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<td width=46>[[file:BackToTop.png|link=#top|alt=Top|Top]]</td>
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<td width=75>[[file:NextUp.png|link=#stepID|alt=Next Up|Top]]</td>
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<td width=75>[[file:NextDown.png|link=#bottom|alt=Next Down|Next Down]]</td>
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<td width=75>[[file:BackToBottom.png|link=#bottom|alt=Bottom|Bottom]]</td>
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</tr>
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</table> <!-- END Nav Buttons Table -->
  
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='''Procedural Track Errors'''=
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Some of the most common causes of '''red track spline circles''' are listed below. <span style="background-color: #ffffb0; font-weight: 700;"> Remember, the presence of procedural track errors will not stop track junctions from working correctly as normal (''non procedural'') track junctions. </span></td>
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<td align="center" colspan=2 bgcolor="red"><span style="font-weight: 700; font-size: 17px; color: white;">Incompatible Tracks</span></td>
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<td width=350>[[image:Procedural-NonProceduralJunction.png|link=]]</td>
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<td>'''Fault:'''
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One of the tracks used to form the junction is not a procedural track<br>
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'''Solution:'''
 
<table>
 
<table>
 
<tr valign="top">
 
<tr valign="top">
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<td>[[image:Procedural-ErrorRedSpline.png|link=]]</td>
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<td width=10>[[image:DotPoint.JPG|10px|link=]]</td>
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<td>ignore, or</td>
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<tr valign="top">
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<td>[[image:DotPoint.JPG|10px|link=]]</td>
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<td>if possible replace the non procedural track with a procedural track</td>
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</tr>
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</table>
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</td>
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<td align="center" colspan=2 bgcolor="red"><span style="font-weight: 700; font-size: 17px; color: white;">Curve Too Tight</span></td>
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<td>[[image:Procedural-CurveTight.png|link=]]</td>
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<td>'''Fault:'''
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One of the diverging tracks has a curve radius that is too tight<br>
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'''Solution:'''
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<table>
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<td width=10>[[image:DotPoint.JPG|10px|link=]]</td>
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<td>Increase the curve radius</td>
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<td align="center" colspan=2 bgcolor="red"><span style="font-weight: 700; font-size: 17px; color: white;">Track Splines Not Level</span></td>
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<td>[[image:Procedural-SplineHeight.png|link=]]</td>
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<td>'''Fault:'''
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The spline circles that define the junction are not at the same height<br>
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'''Solution:'''
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<table>
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<tr valign="top">
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<td width=10>[[image:DotPoint.JPG|10px|link=]]</td>
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<td>adjust the spline heights to create a level junction</td>
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</tr>
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</table>
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<br>
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<table bgcolor=#000000 width=450>
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<tr valign="top">
 
<td>
 
<td>
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Faulty procedural track junctions are indicted in '''Surveyor''' by:-
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<table bgcolor=#ffffe0 width=446>
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*solid red track splines, or
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<tr valign="top">
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*flashing red/white or red/yellow track splines
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<td>[[file:PencilTips.PNG|link=]]</td>
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<td>One trick is to move the approach and depart spline circles closer to the junction spline circle (if possible) to reduce the length of track that has to be made level</td>
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</td>
 
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'''WORK IN PROGRESS'''
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</td>
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<tr valign="top">
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<td align="center" colspan=2 bgcolor="red"><span style="font-weight: 700; font-size: 17px; color: white;">Junctions Too Close</span></td>
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</tr>
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<tr valign="top">
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<td>[[image:Procedural-JunctionsTooClose.png|link=]]</td>
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<td>'''Fault:'''
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A second junction has been added that is too close to the first and there is not enough room for the frogs/check rails to be added to the first junction<br>
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 +
'''Solution:'''
 +
<table>
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<tr valign="top">
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<td width=10>[[image:DotPoint.JPG|10px|link=]]</td>
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<td>ignore, or</td>
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</tr>
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<tr valign="top">
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<td>[[image:DotPoint.JPG|10px|link=]]</td>
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<td>adjust the placement of the second junction to allow the frogs/check rails to be added to the first junction</td>
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</tr>
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</table>
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<br>
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<table bgcolor=#000000 width=450>
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<tr valign="top">
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<td>
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<table bgcolor=#ffffb0 width=446>
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<tr valign="top">
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<td>[[file:NotePad.PNG|link=]]</td>
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<td>This requirement can make it difficult or even impossible to use procedural junctions in yards that have very dense track junction layouts. Ignoring the "problem" may be the only option here.</td>
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</tr>
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</table>
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</td>
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<table> <!-- BEGIN Nav Buttons Table -->
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<td width=729><span id="bottom"></span>&nbsp;</td>
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<td width=46>[[file:BackToTop.png|link=#top|alt=Top|Top]]</td>
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<td width=75>[[file:NextUp.png|link=#stepErrors|alt=Next Up|Top]]</td>
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<td width=75>&nbsp;</td>
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<td width=75>&nbsp;</td>
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</tr>
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</table> <!-- END Nav Buttons Table -->
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='''Trainz Wiki'''=
 
='''Trainz Wiki'''=
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<td>[[file:TrainzWiki.png|link=]]</td>
 
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<span style="font-size: 17px;">'''More Tutorials and Guides to Using Trainz'''</span><br>
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<span style="font-size: 17px; font-weight: 700;">More Tutorials and Guides to Using Trainz</span><br>
 
*'''<span class="plainlinks">[http://online.ts2009.com/mediaWiki/index.php/HowTo How to Guides]</span>'''
 
*'''<span class="plainlinks">[http://online.ts2009.com/mediaWiki/index.php/HowTo How to Guides]</span>'''
 
*'''[[Driver Commands List]]'''
 
*'''[[Driver Commands List]]'''
 
*'''[[Session Rule List with Parameters|Session Rules List (Alphabetical) with Parameters]]'''
 
*'''[[Session Rule List with Parameters|Session Rules List (Alphabetical) with Parameters]]'''
 
*'''[[Session Rules By Categories With Properties|Session Rules List (Categories) With Parameters]]'''
 
*'''[[Session Rules By Categories With Properties|Session Rules List (Categories) With Parameters]]'''
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<span style="font-size: 17px; font-weight: 700;">Related Content Creation Guides</span><br>
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*'''[[HowTo/Build_Procedural_Track_for_T:ANE|How to Build Procedural Track For TANE]]'''
 
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Latest revision as of 18:25, 19 September 2023

The information in this Wiki Page applies to TANE, TRS19, Trainz Plus and TRS22. This guide covers the use of procedural track in Trainz Surveyor, not how to create procedural track assets - see Trainz Wiki Links at the bottom of this page.

Contents
In Summary:
BlueDot10x10.png Procedural tracks are specific track splines that have been created for use with Trainz versions from T:ANE onwards
BlueDot10x10.png Procedural tracks provide animated switch points plus check rails and frogs at track junctions


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[edit] What is Procedural Track?

Procedural track works just like the standard (or "non-procedural") track that was the only type available before T:ANE. However, it provides additional cosmetic features (animated blades plus frogs and check rails) to junctions. These features are built into the track asset and do not have to be manually added when laying track.


Procedural Track
Procedural-LeftPath.pngProcedural-RightPath.png

Non Procedural Track
Procedural-NoPath.png
NotePad.PNG Notes:
The switch blade animation will show in both Driver and Surveyor but in TRS19 and later versions the Pause option in Surveyor must be checked OFF (no tick).
  Procedural-CheckPauseOFF.png
Warning:
Stop.PNG If you turn pause OFF after using the UDS (available in TRS19 Platinum Edition and later Trainz versions) to switch from Driver to Surveyor then any consists that were moving in Driver will immediately start moving in Surveyor which can result in collisions and derailments
Procedural Track
Procedural-FrogsCheckRails.png		 Non Procedural Track
Procedural-NonFrogsCheckRails.png


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[edit] Identifying Procedural Track

There is no specific content category, such as "Track, procedural", that can be used to distinguish between procedural and non-procedural track assets. Like many assets it relies on the name given to the asset by the content creator. Most creators seem to have included the characters PRO in the track name - for example "Protrack", "Procedural" or just "Pro". This can be used to narrow down the search in CM. A typical CM custom filter that would have a good chance of identifying most procedural track assets is shown below.
Procedural-CMFilter.png
PencilTips.PNG All procedural track assets have a minimum build version of 4.2 - but this does not mean that any track with this build number (or above) will be procedural.

[edit] Laying Procedural Track

BlueDot10x10.png The "fall-back" position for procedural track is to act and look like ordinary (non-procedural) track


Procedural tracks are laid down in Surveyor just like any other track. Track junctions are formed in the same way as they are when using non-procedural tracks. The difference is that the additional features (animated switch blades, frogs and check rails) are automatically added when a track junction is correctly formed using procedural tracks. Faulty (incorrectly formed) procedural track junctions will work perfectly well as non-procedural junctions - they can be switched left and right, and trains will pass over them correctly. But the special features that they have will not appear.
BlueDot10x10.png A red track spline circle or a red spline endpoint dot in Surveyor indicates that the procedural track junction is faulty


Surveyor Classic
Procedural-ErrorRedSpline.png Faulty procedural track junctions are indicted in Surveyor Classic (shown on the left) by:-
DotPoint.JPG solid red track spline circles, or
DotPoint.JPG flashing red/white or red/yellow track spline circles
Another indicator is the absence of the moveable switch blade and the check rails/frogs in the junction.


Surveyor 2.0
Procedural-S20-Normal.png
A normal procedural track junction in Surveyor 2.0 is shown as a black track spline point
 
Procedural-S20-NotNormal.png
A faulty procedural track junction in Surveyor 2.0 is shown as a red track spline point
Faulty procedural track junctions are indicted in Surveyor 2.0 (shown left and in Trainz Plus and TRS22 Platinum only) by:-
DotPoint.JPG a red spline endpoint dot
Another indicator is the absence of the moveable switch blade and the check rails/frogs in the junction.


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[edit] Procedural Track Errors

Some of the most common causes of red track spline circles are listed below. Remember, the presence of procedural track errors will not stop track junctions from working correctly as normal (non procedural) track junctions.
Incompatible Tracks
Procedural-NonProceduralJunction.png Fault:

One of the tracks used to form the junction is not a procedural track

Solution:

DotPoint.JPG ignore, or
DotPoint.JPG if possible replace the non procedural track with a procedural track
Curve Too Tight
Procedural-CurveTight.png Fault:

One of the diverging tracks has a curve radius that is too tight

Solution:

DotPoint.JPG Increase the curve radius
Track Splines Not Level
Procedural-SplineHeight.png Fault:

The spline circles that define the junction are not at the same height

Solution:

DotPoint.JPG adjust the spline heights to create a level junction


PencilTips.PNG One trick is to move the approach and depart spline circles closer to the junction spline circle (if possible) to reduce the length of track that has to be made level
Junctions Too Close
Procedural-JunctionsTooClose.png Fault:

A second junction has been added that is too close to the first and there is not enough room for the frogs/check rails to be added to the first junction

Solution:

DotPoint.JPG ignore, or
DotPoint.JPG adjust the placement of the second junction to allow the frogs/check rails to be added to the first junction


NotePad.PNG This requirement can make it difficult or even impossible to use procedural junctions in yards that have very dense track junction layouts. Ignoring the "problem" may be the only option here.
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This page was created by Trainz user pware in June 2021 and was last updated as shown below.

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