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Search results for: transition
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... topic: 1363 Diamond crossings with transition curves posted: 7 Feb 2011 20:11 from: Paulr1949 Hello The title says it really- I am almost at the last stage of creating the templates for a proposed new club layout, and have to create two double junctions and they are in transition curves. See the screenshots below (I hope!) 1913_071503_460000000.png and a close up of the one I've attempted to do 1913_071508_470000000.png This one is actually (I think) outside the transition curve. I have tried quite a number of times to get this working but am having serious problems getting the angle of the crossing anywhere near the right one! I must be doing something silly- can anyone help. Another problem coming up) Paul posted: 8 Feb 2011 09:52 from: Alan Turner Templot dosen't do what you want at present. The easiest way is to simply overlay the two curves and then hand sketch the crossings on the printed template. There is a topic on here that takes you through the steps of making what you want. ...
... topic: 1003 Transitions in Sidings posted: 5 Jan 2010 17:17 from: Alan McMillan Hello all! Firstly, a Happy New Year to everyone. Secondly, I have attached a picture here of part of my projected layout. Does anyone know if the curves marked out with the arrows should be transitions? At the moment they're not but it dawned on me that maybe they should even though they are only carriage sidings. Regards Alan McMillan 412_051214_350000000.png posted: 7 Jan 2010 18:35 from: Richard Spratt Alan McMillan wrote: Hello all! Firstly, a Happy New Year to everyone. Secondly, I have attached a picture here of part of my projected layout. Does anyone know if the curves marked out with the arrows should be transitions? At the moment they're not but it dawned on me that maybe they should even though they are only carriage sidings. Regards Alan McMillan 412_051214_350000000.png I don't know. But I do know from experience of similar loops that you need a tiny bit of transition just to get the tracks to join up ...
... will make them more prominent and their meaning clear. For example Andrew is making much use of dummy templates as baseboard outlines and backscenes for his Yeovil project. Here I added a background shapes rectangle so that you can see that the dummy templates are being drawn in the same style (set on the background shapes dialog): 2_132216_410000003.png 2_132216_410000002.png Here you can see this makes it possible to have a smooth curving baseboard edge, which is not possible with the basic background shapes functions. You can use all the usual track functions, transitions, slewing, etc., to build up a series of dummy templates representing the baseboard edge (or anything else). For this example I set the background shape lines to be printed 2mm wide: 2_132216_410000001.png (The platforms are part of the track templates, not background shapes.) This is the normal template print. For this example I set the background shapes to be printed in orange lines 1mm wide. The horizontal straight line is a normal background shape. The curving line is a dummy track template having a ...
... topic: 3018 1st and 2nd radius on curvature posted: 24 Apr 2017 19:02 from: Panos Tsirigotis Hello againSeems to me difficult to define the topology of the 1st and 2nd radius on a curve which is made by an easyment function. Is there any tutorial explain this curvature definition? Thank you in advance posted: 24 Apr 2017 22:08 from: Martin Wynne Hi Panos, The transition curve terminology for Templot is explained on this page: http://templot.com/martweb/gs_geometry.htm#transition It's an old page, but still mostly valid. The 4 basic settings are: first (1st) initial radius second (2nd) final radius length of the 1st radius section length of the transition zone section There are mouse actions to adjust each of these. trans_marks.gif What are you having trouble doing? regards, Martin. posted: 25 Apr 2017 19:22 from: Panos Tsirigotis thank you very much. I wouldn 't say trouble. Its that when I am trying to make a transition curve, templot asks me where ...
... topic: 1691 Possible error in TDV posted: 18 Nov 2011 17:47 from: Paulr1949 Hi Attached is a box file I have been working on for a future club layout together with a screen dump. I was working on the curve from the 7th track from the bottom of the group at top right of the picture and was playing with various transition curve options in order to allow it to meet the second track from the right at the bottom right of the picture. Suddenly this happened- an outline of two railheads running straight between the two. Any ideas on what I've done wrong? Paul 1913_181246_180000000.png Attachment: attach_1245_1691_SJ_2011_11_18_173 6_39_error.box 187 posted: 18 Nov 2011 19:03 from: Paulr1949 After a couple of hit on CTRL-U, I got the original back and it seems to have worked OK since! Paul posted: 18 Nov 2011 20:19 from: Martin Wynne Hi Paul, Thanks for posting the file. It's a long-standing known issue, not related to TDV. Essentially you created a transition curve which was ...
... topic: 3475 Transition curves posted: 4 Aug 2019 14:37 from: Terry Schroeyens Hello, In the attached, I want to link PR071 to PR070 or rather the two crossovers TL058 and TR065 using the peg/align make transition curve. Templot says it's not possible. Similar problem linking PR045 to PL043. Terry Attachment: attach_2870_3475_Cirencester_2019 _08_04_1526_59.box 127 posted: 4 Aug 2019 15:03 from: Martin Wynne Hi Terry, It is not mathematically possible to create a transition curve if the two curves intersect. You need to adjust the radius of one or the other or both of the templates until the track centre-lines do not quite intersect, like this: 2_040956_150000000.png Sometimes it is necessary to temporarily extend the length of the templates to see this. The length of the resulting transition zone is determined by the size of the gap you leave between them. This is the result of the above: 2_040956_160000001.png It now needs to be extended to fit the previous space -- more info at: http://templot.com/companion/link_existing.php ...
... topic: 225 Universal easement template posted: 7 Nov 2007 01:20 from: renluethi Hi Marin, I have just read the history and origin of Templot. This is a very interesting story and it clears my old question about the name of this program. For the pipeline I have one additional item: how about a printable easement template? It could be printed and transferred to a piece of cardstock or more durable material and cut out. This template should have markings along a transition curve, which shows the actual radius at this point, and the adjoining offset to the centerline of the tangent. This offset is for accurate determining the center of the circular curve. I see I can have each easement printed individually. However there is no computer in the room where the layout is under construction, and with a "universal easement template" I can play around to find the most pleasing solution. Regards, René. posted: 7 Nov 2007 01:59 from: Bruce Wilson Model Railroader magazine has such beasties in PDF format on their ...
... Handy Hint> and are asked to consider changing to skeleton draw. Now everything I said about 'Programme Information' above applies. ** ** ** ** When I want to print I get:? Question? The current printer is (Printer name). Now if this printer has been calibrated and the calibration settings are in the file, why does it not retrieve them automatically? ** ** ** ** And lastly, when I use F6, why does it always default to the 2nd transition? Surely you want to alter the 1st transition first to get it generally in the right path and only then refine it with the 2nd transition? Just a few thoughts. Regards Brian Lewis posted: 22 Feb 2008 17:35 from: Paul Boyd I'm with Brian on this. It does get a bit tedious having to keep telling Templot to "Don't bother telling me again" every time something new is attempted in a session. I don't think the program needs to be that "informative" all the way through ...
... from a three way point that was near here before. They look like the lower half of a "H" but widened about three times, so the horizontal bar is three times wider. They are around 45 degrees to the plan and i can't seem to get rid of them or even highlight them. Any ideas, they're not a real problem just annoying. Attachment: attach_2862_3472_intermodal1-67.box 114 posted: 2 Aug 2019 02:01 from: Martin Wynne Hi Tom, Thanks for posting the .box file. They are transition zone end markers from the two templates to the lower left. You have shortened those templates to terminate within their transition zones. You can update the extent of the transition zone to match the template length by clicking the geometry> transition curve> normalize transition menu item: 2_012048_390000000.png More explanation of transition curves on this page: http://templot.com/companion/transition_curves.php p.s. your storage box contains 190 templates of which 155 are unused. You can remove them all if no longer wanted by clicking the box> delete ...
... topic: 2420 Transition from level to incline posted: 12 Mar 2014 23:18 from: Pete Brownlow Apologies if this has been answered, but if it has I failed to find the right search term! I'm working in 00-SF, so I'll mainly be using RTR stock. I was wondering what "vertical radius" (if that is the right term) I should be looking at to transition track from level into an incline, that will not cause problems to most RTR stock. Or to put it another way, over what length should I transition from level to about 1 in 30. Any thoughts from the wise? Thanks, Pete posted: 14 Mar 2014 13:16 from: Martin Wynne Pete Brownlow wrote: Or to put it another way, over what length should I transition from level to about 1 in 30. Hi Pete, Are you sure about the 1:30? That's very steep, especially if on a curve. Have you checked that your locomotives will pull a train up 1:30? ...
91. Inserting a loop
... topic: 576 Inserting a loop posted: 29 Sep 2008 18:52 from: Scott Willis Attached is the track plan I am currently working on. You will see that the plan is based on an Iain Rice drawing. It is intended to base the layout on a North British branch line around the Borders. In typical NB style, turnouts will have interlaced sleepers and loose heel switches. To produce a nice sweeping curve, the main running line and the loop line have been drawn using transition s-curves. Can anyone tell me what would be the best way of incorporating two crossovers into the transition s-curves to complete the run-round loop. Having tried a number of techniques from the tutorials, I found that I am having trouble maintaining the original s-curves. Many thanks Scott Attachment: attach_357_576_NBbranch.bgs 235 posted: 29 Sep 2008 19:08 from: Scott Willis Sorry for the last attachment. I have attached the track plan again, this time as a jpeg. Regards Scott Attachment: attach_358_576_NBbranch.jpg 203 posted: 29 ...
92. Stub turnouts
... like this. Use CTRL+ F3 mouse action to blank off the switch, and then add a bit of plain track as a separate template. Thanks, Martin. So this leads to the next question which I haven't had a chance to investigate yet. On of the main differences (at least in the US) between a point turnout and a stub turnout is how the diverging line leaves the switch. The diverging line in a stub turnout is a constant radius curve. The diverging line in a point turnout is a transition curve of sorts... that is, the diverging route is basically straight past the frog. Now the question: What geometry does Templot use for its switches? If it uses a constant radius curve, then I can indeed just cut it off at the points as you suggested above. But if it uses a transition curve, then cutting it off wouldn't really create a "proper" stub turnout. Regards, Joe posted: 2 Apr 2008 05:20 from: Martin Wynne jeckardt wrote The diverging line in ...
... 2008 01:49 from: Richard Spratt Isn't it like turnout 7 in the first tutorial? http://www.templot.com/martweb/tut5a.htm Richard posted: 17 Nov 2008 02:10 from: Paul Boyd Hi Richard Not really, because in that tutorial the turnout is placed, then the exit track pegged onto it. On my plan the positions of the tracks are already defined, and the crossover needs to fit into what's already there. The attached picture shows what I was starting from. I did use the 'make transition curve' function to give me a nice s-curve between the two lines, but I couldn't get a turnout to line up with both the running lines and the s-curve simultaneously. Hence the faffery! Attachment: attach_416_632_guides.jpg 282 posted: 17 Nov 2008 02:42 from: Martin Wynne Paul Boyd wrote: On my plan the positions of the tracks are already defined, and the crossover needs to fit into what's already there. The attached picture shows what I was starting from. I did use the 'make ...
... topic: 2003 Drop-in Transition Curve posted: 5 Jul 2012 09:20 from: DuncanF I've recently made an effort to get to know Templot having first purchased it a couple of years ago and then not having been able to make the comprehension "breakthrough" at the time. I'm pleased to say that I think I've (nearly!) got to grips with it now. It is a steep learning curve but once you crest that, your productivity increases exponentially; I can knock out a double slip in under 90 seconds now! So in the interest of making things even speedier.... what I would find really useful would be an additional option on the "transition curve acceptance menu" that says something like "Yes- Continue and replace foundation templates". I find that the majority of the time I change the length of the transition curve, from both ends, to overlap the entirety of the two foundation templates and then delete the latter. One click to do all this would save time. And on the ...
... topic: 3142 orbits, transitions etc posted: 29 Nov 2017 18:03 from: madscientist 3004_291301_570000000.png heres a simple example( box file attached what I want is to extend the transition curve just to the left of the control, so that it ends with its face at 90 degrees, i.e. so that when the straight is snapped on, the straight do not rotate in any way Attachment: attach_2586_3142_testtrack.box 188 posted: 30 Nov 2017 18:15 from: Phil O Is the curved template a fixed radius or is it a transition curve? posted: 30 Nov 2017 18:29 from: Martin Wynne Phil O wrote: Is the curved template a fixed radius or is it a transition curve? Hi Phil, This has been dealt with in a different topic, see: topic 3141- message 22985 Martin. posted: 30 Nov 2017 18:52 from: Phil O Thanks Martin, I have just read the other thread. Phil. Parts of Templot Club may not function unless you enable JavaScript (also called Active Scripting) in ...
... topic: 1130 Double track curves- widening the 6' posted: 24 May 2010 19:19 from: Richard Spratt Two questions: 1) How do I calculate how much the 6' way needs to be increased for curves? Please don't mention versines, but I presume that there is a simple relationship between radius widening. 2) How do I apply it in Templot to a transition curve? I presumed that I use Slew? Which I've tried, but although it moved the tracks further apart at the transition, brought the tracks closer together at the end of the curve?? So I've managed it by splitting the track into 3 sections: one as per the entry to the curve, 3mm further apart and a transition between the two. posted: 24 May 2010 19:32 from: Martin Wynne Richard Spratt wrote: 1) How do I calculate how much the 6' way needs to be increased for curves? Please don't mention versines, but I presume that there is a simple relationship between radius widening. Hi Richard ...
... ) Thanks, Paul posted: 24 Apr 2009 07:42 from: Martin Wynne pimin wrote: My pad is full of triangles (arrow heads?) pointing at brackets "]". what are they called in Templot? can I toggle their appearance (on or off?) can I get rid of them (at least not display them, I can't see a lot of the track work through them on some of the complicated parts) Hi Paul, Obviously you didn't design this yourself! 1. They are transition curve markers. There is a transition zone between the two marks along which the radius changes smoothly: trans_marks.gif Full details at: http://www.templot.com/martweb/gs_geometry.htm#transition 2. You can toggle them on and off by going to pad> pad background options> pad background templates detail... menu item, and unticking the box for marks. (Or if you are still using version 074b, go to control> background list menu item, and untick the box for marks.) 3. ...
... 2016 05:45 from: mightbe Hi all, I've finally been prompted to give in and register--the primary motivation being that, for the first time, I have a question that I haven't been able to find an answer to. I'm toying with ideas for a P4 test track and decided I should include a slip of some sort. Going for ease and aesthetic value, I opted for a 'double track with trailing connection to siding' sort of arrangement. Additionally I put the whole thing on a curve which transitions to straight track at each end. (the idea being that the test track can be tarted up and used as a photo plank as well). Due to the small size, one turnout and the slip lie within a transition. What I want is for the diverging route of the lower turnout to be completely straight, and I'd prefer a B8 (ish) or something that doesn't require a switched diamond within the slip. I have no idea how to get rid of the pesky curve that makes itself evident whenever ...
... topic: 3139 still finding issues with crossovers on transitions posted: 27 Nov 2017 20:42 from: madscientist 3004_271536_210000000.png so heres the thing, I created the plain track that is the current control, it has a transition curve I created template 27, as a TS creation from that original plain track Geometry is set to crossover I invoke "crossover"....( I get the" handy hint" about adjusting the transition) 3004_271539_560000000.png zooming in 3004_271541_190000000.png and theres the mismatch, I can correct it of course by adjusting the transition parameters, just to show it however regards Dave posted: 27 Nov 2017 20:48 from: Martin Wynne Dave, For the third time of telling you, DON'T USE MAKE CROSSOVER. Use make double-track, and insert a turnout in it, template> insert turnout in plain track. I will make you a bit of video, but first I want to get 216b released, after I have had a meal. regards, Martin. posted: 27 Nov 2017 21:11 from: ...
... topic: 2834 smallest radius on a template -- some issues posted: 27 Jan 2016 01:55 from: Martin Wynne In some circumstances the dimension showing for the "smallest radius now" on a template (and possibly the flashing red warning) can be misleading. For example, suppose you have: a V-crossing type other than curviform, and some contraflexure (negative curving radius), and a short transition zone within a turnout or half-diamond. Here is a simple B-6 straight turnout in EM, having a regular-type V-crossing: 2_260848_580000000.png Notice that the smallest radius is showing as 1052mm. This is the radius in the turnout road between the heel of the switch and the V-crossing. Now we apply some contraflexure: 2_260848_580000001.png With the expected result that the turnout radius is eased, in this case to 1739mm. But now we decide that we want a "straight-over-straight" V-crossing instead of the curved V-crossing, so we insert a zero-length ...
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