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Search results for: transition

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... 13 Dec 2007 19:10 from: Alan Turner You are unfortunatly treating Templot as if it were a CAD programme. Templot isn't a CAD programme. This is one of the principal reason why some people have difficulty in learning Templot at first. The first task in using Templot is to forget everything you know about CAD programmes. Alan posted: 13 Dec 2007 20:12 from: Andy B Trackwork is a combination of constant radius curves (some of infinite radius, i.e. straight), joined together by mathematically derived transitions. So to try to generate track data from an imported line would involve first of all having to either 'read' the line data to determine starts, ends, etc, then to interpret (make a best interpolation) of spline data against the possible mathematical transitions. So if you've created set of centrelines from an external source, by all means import just the curves (without transistions) into Templot as a background then create templates over the top. After that use let Templot create the 'infill' transitions. Having said ...
Terms matched: 1  -  Score: 29  -  30k  -  URL: https://85a.uk/templot/archive/topics/topic_284.php
... 7 instead, and eased the curving radius a bit, which gets the turnout radius to a more respectable 42": 2_160434_510000001.png I also changed turnout A to a right-hand turnout, so that the turnout road forms part of the crossover, instead of the running line. This allows the running lines to form the ruling curves, with turnouts branching from them, in a more prototypical manner. Here I replaced the turnouts with plain track, to illustrate that. The grey tracks are your originals: 2_160434_510000000.png The curves include transition curves, which in some cases stray into the turnouts. That's not entirely prototypical, but in fitting a model into a small space is sometimes unavoidable. Once the template is printed, the fact that the curve through it is on a transition makes no practical difference to model construction. Would you like me to finish this and post the .box file? There isn't much point if your ideas are still in flux. For example I am mystified by your reference to a gravel shed? I have the tracks entering on the ...
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... pointwork over hidden tracks requires a greater clearance for carpentry than just having the single track on the right over the lower tracks, so there would be no gain in gradients from the longer branch runs. I think you would do better to retain the overall design as-is, and try to tweak the gradients as far as possible. The east gradient up to the south station is the most severe, and you may be able to angle the south station across into the bottom right corner a little more with the aid of transition curves to disguise the tighter radius resulting there. It's an attractive design with the complex junctions east and west. As with all CJF designs, using "proper" pointwork tends to require far more space than he allowed for, and the usual advice is to increase the space available rather than to reduce it. So fitting all this in your space, and in EM too, is going to be an interesting challenge. The radii could get decidedly tight for EM. I will have a quick trial with it and see ...
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... throw them away when you have learnt from them. I also think it essential to work through ALL the video tutorials in order to get exposure to the functions- all I have written above is demonstrated in the basic tutorials. The complete list of videos is:- insert a turnout in plain track 3.8MB return loop 7.1MB simple oval- method 1 1.9MB simple oval- method 2 2.4MB single slip 5.3MB working with substitution radius 7.1MB turntable- part 1 2.1MB turntable- part 2 7.7MB 3-way tandem turnouts 11.3MB fixing start of transition zone 3.8MB linking to the notch 11.1MB simple transitioned corner 1.1MB overlaid track on a scan (long) 28.5MB weaving track between obstructions 3.6MB overlaid track on a rough sketch 7.9MB recording radius within a transition 3.8MB picture shape -- display a scanned track plan as a background guide 39MB (broadband only) widely-spaced crossover 2.5MB zoom-free mode for single templates 8MB using template marker colours 3.8MB using 'make transition' into a parallel platform 5MB adjusting the size and position of printed template pages 2.8MB All of them at;- ...
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... "Reply blank" buttons, or enter your reply in the "Quick Reply" box at the bottom of the page. Thanks. regards, Martin. posted: 7 Aug 2008 23:39 from: Martin Wynne Bob Hobbs wrote: What I cannot figure out is how to connect the diverging leg of the second right hand switch to the diverging leg of the second left hand switch and the same for the main legs of the same two pair. Hi Bob, The function you need to create these loops is make transition. There's a video showing it in use. Go to the video list, read the notes, then scroll down to "using 'make transition' into a parallel platform". The video is silent, but there is a static tutorial for 'make transition', explaining what is going on. It's a bit dated, instead of the peg and notch functions you can use the make branch track and make split at peg functions to set up the initial dummy templates. The 'make transition' function is also much used in ...
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... the dimensions to design this plan: topic 247 The fourth one down the basic oval plan with curved 3 way etc. I cannot seem to work out what the size of the plan is so I can set it up like the video you pointed out to me. Hi Simon, Do you mean this one scanned by Jim? mrn_scan.jpg It's designed for 0 gauge, and like many published plans when you start to design it properly you find that lots of things don't fit very well. On this one there are no real transition curves between the sharp curves and the straight section with the pointwork in the station throat. It's all a bit too abrupt to look right. So I rotated it round to the more usual arrangement, pulled it apart by a few inches, and shifted the pointwork area sideways by about an inch to allow for better transitions: mrn_plan.jpg I then tried it in EM, with this result: mrn_overlay.png mrn_overlay1.png It would be much better to replace the straight section with a gentle curve. That would have the effect of pushing the ...
Terms matched: 1  -  Score: 29  -  29k  -  URL: https://85a.uk/templot/archive/topics/topic_446.php
... : Martin Wynne News about this today: http://www.rmweb.co.uk/community/index.php?/topic/135828-exactoscale-track-and-wheel-products/ And from Andrew Jukes: http://www.scalefour.org/forum/viewtopic.php?p =62192#p62192 Martin. posted: 19 Jul 2018 10:01 from: Hayfield Its good to see Mr Jukes has gone public in the EM Gauge Society newsletter this quarter, with a brief confirmation of his new plans for Exactoscale track range, hopefully during the transition away from C&L continued supplies will be available via the two societies. Being the owner of some of the Exactoscale products I can understand his protective attitude towards his products, and that until new arrangements are confirmed its difficult to comment on matters. What I did find surprising though was the attitude of of some of the participants on the Scaleforum thread. With few exceptions I have found the P4 modellers I have met to be exceptionally nice and helpful people. Reading some of the replies though gives the impression of a ...
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... has other disadvantages so although our initial idea was to create a 9 ft wide room, we now favour option (2 ), an 8' wide alternative location. In my initial plans my working assumption was a room 9' wide. I am worried that a room only 8' wide would not allow enough space for the 90 degree curve. Given the absolute importance of such a curve being reliably negotiated by trains do you think that 8' will give enough width for reliable operation round the curve? I anticipate using transition curves to smooth passage through it. Has any one any experience of successfully working a P4 layout with such a configuration? Or being unsuccessful!? TIA. Ian P.S. Very few emails have come through to me over the last couple of days. Was it something I said or have I a problem with e.g. an over-eager spam filter? posted: 14 Jul 2008 02:30 from: Martin Wynne Ian Everett wrote: connected by a 90 degree double track curve at one end of the room. ...
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149. iPlot
... is achieved by dragging with 1, 2 or 3 finger tips, called drag, pinch-zoom and hold pinch-zoom. If you've used an iPad or touch screen phone then most of the commands will be completely logical to you. Touch a template somewhere near the middle of what is visible and drag to move it around. Touch one end and drag the other end to change the radius. Or touch and hold both ends and drag any point in between to swell the curve. Taking that one step further makes transition curves dead easy. Touch and hold 2 points on the curve you are happy with and then drag another point to the new location and it performs the transition calculation. If you want to fit a long curvy section of track to a twisty curve you can do so by starting with a straight template aligned with one end of your twisty track. Change it to a curve that matches the first section. Then hold the beginning and end of the curved section and use a third finger (usually on the other hand) ...
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... my plan re: timbering? Dave posted: 5 Mar 2008 03:30 from: BeamEnds davelong wrote: Anyone had a chance to check my plan re: timbering? Dave ok- here's my attempt- probably being Mr. Picky sometimes.... 66 ST Sidings toe to slip- gap a bit big? 68 poss strteched a bit? maybe extra timber 32 ST siding 5 entery- naughty shortening of sleepers? double track "above" 39 BOC Point- spacing gone a bit awry? curve to strait transition on inner double to right of under bridge point- spacing (and alignment) gone wrong? 7 main line short curve spacing? rh end of traverser 9 spacing? Cheers Richard posted: 5 Mar 2008 03:59 from: davelong Hi Richard Thank you for your comments, the more nit picking the better. All understood, a few silly errors left in on my part. But not sure what you mean re: the 68 poss stretch? Kind regards Dave posted: 5 Mar 2008 04:34 from: ...
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... physical limits of the components). There is a long discussion about this on page 31 of the above book, but the essential conclusion is "In a curved turnout of similar or contrary flexure the two legs of the vee were curved during manufacture as required and specified by the designer." In a curved turnout, Templot by default runs the ruling curve through the V-crossing (and likewise through the switch). If you want to change this behaviour you have two options: 1. Place the turnout in a transition curve template -- set a zero-length easement to straight at the position of the wing-front rail joints (geometry> transition curve> menu items). 2. Create the turnout as two partial templates: Start with a straight turnout. Blank it up to the wing-front rail joints (CTRL-F3 mouse action or do> blank up to V-crossing menu item) and store it on the background. Now cancel the blanking, and shorten the turnout (F4 mouse action) to just ...
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... climes of Eastleigh. I worked for 21 years for the Air Traffic Control Company (NATS) who moved us all down to the south coast 7 years ago and retired nearly 2 years ago. Have fun, Clive Attachment: attach_1744_2398_shepperton_14_01 _16_1333_18.bgs 274 posted: 5 Feb 2014 18:17 from: Martin Wynne Hi Clive, Thanks for uploading your files. Are you aware that Templot can wrap your scanned image to a curve? Instead of putting a sharp bend in your image: 2_051254_050000000.png you could have wrapped it onto a pleasing transition curve in that area. More info at: http://templot.com/companion/index.html?wrap_picture_shape_to_curve.htm Your original image is a very large 8883 x 2567 pixels, so I'm not too surprised that you had problems printing 23 pages in one go. The memory requirements would be massive, and I suspect your computer was spending most of the 10 hours shuffling data to and fro between memory and the disk drive to try to find room for it all. When printing very large background scans at full size, it is ...
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... a couple of days. Brian Lewis wrote: In truth, I am not that keen on lasering to Templot plans, as I feel it is unnecessary. By all means draw your layout in Templot, but then utilise the standard Timber Tracks bases. They will fit with nothing more than an insignificant amount of adjustment. I disagree with the above comment. The beauty of Templot is its ability to create flowing trackwork accurately. Little changes can be made to satisfy regional variations, timbering can be adjusted to suit interlacing requirements, transition curves can be made so that rolling stock moves correctly. Why sacrifice all this effort in order to spend time chopping about individual bases, when for a similar outlay you can have track bases cut to your design. I advocate cutting bases that can be joined to at least span a baseboard. The accuracy of the joined section is such that you can align your templates under it. I have attached the images below to demonstate other options that can be generated from a Templot design. Rail positioning jigs can be created and ...
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... topic: 27 Track designing posted: 31 May 2007 17:18 from: SimonH Hi A little help please. I have in essence an 11mt length of single track that I am going to incorporate into my layout. It wanders down one side of the layout and through 180 degrees and back up the other side. There are many twists and turns to fit the scenery that is already there and its this that is causing some consternation. I have tried using the slewing and transition curve options but with little result. I am basically trying to manipulate small sections of track around obstacles and then moving on to the next little section of track. I have got some of the way by creating many individual templates for all the curves and so on, but I am missing some thing basic re doing it all in one template. Can some one please advise what it is. Cheers Simon Handby posted: 31 May 2007 21:03 from: Martin Wynne Hi Simon,> There are many twists and turns to fit the scenery> that is ...
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... . As you can see when used on the inside of a curve it has produced rather too sharp a radius of 21.7" for finescale 00. The usual minimum would be 24" for 00-BF and 30" for 00-SF: 2_011058_580000000.png You have the crossing angles back to front -- use the 1:8 on the outer curve and maybe 1:6 on the inner curve. Also note that you have a misalignment at the end of the main road because at that point you are still within the transition zone. A useful way to find an appropriate crossover alignment in a situation like this is to use the make diamond-crossing at intersection function, and then convert the half-diamond to a turnout. See also: http://templot.com/companion/index.html?fit_turnout_to_existing_curves.htm I will have a quick dabble at this for you and see if I can come up with something. The layout is 00 FS. You are using 00-BF. Did you intend it to be in 00-SF? regards, ...
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... the main road, i.e. at the TOLP peg position. If you want the peg in some other position, you can run it along the turnout road centre-line (or along the rails) using the CTRL+ F8 mouse action. The parallel type of V-crossing is something of an oddity and not often used. If I was starting Templot again I would probably not include it. But I can't now remove it without breaking existing .box files. It is useful if you want a return curve within a transition zone: 2_010718_160000000.png (The prototype doesn't* put pointwork on a transition curve -- because of the impossibility of running a cant gradient through a moving switch -- but it's a handy device when fitting model track in a tight space.) Adjusting the turnout road length with CTRL+ F12 is intended to deal with short** gaps and overlaps after other templates have been aligned, and for use with partial templates. It's not intended to create a significant section of track -- for that you would use the tools ...
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... B7, my only gripe is Highbridge is a very straight and parallel station this portion is about 1/3 of the layout the other parts to be included are Highbridge Wharf and Highbridge Ordnance Depot. Shaun Attachment: attach_248_365_Highbridge_2a.box 360 posted: 15 Mar 2008 12:24 from: Martin Wynne Hi Shaun, Many thanks for sharing your file. I noticed that you have an instant reverse curve in the running line at: highbridge1.png Generally it looks much better and will give better running if you replace that with an S-curve transition -- even a short transition is better than none at all. It requires only a slight reduction in the radius of one or both of the templates to make room for a transition curve: highbridge2.png regards, Martin. posted: 15 Mar 2008 19:26 from: whywaite Martin thanks for the advice I haven't used that facility before but will give it a try tonight. It certainly looks better. I can see where I have gone wrong by compressing the original plan on the left/ west part I have made ...
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... double slip, point rodding is required to run to all the points. In one group, containing five rods, It would be good to be able to increase the track spacing to accommodate this width along this length. Hi Tim, The geometry> adjacent track centres... setting can be changed for each individual template. But you need to change it while it is the control (current) template and before creating double track or a crossover from it. Obviously you can't change the spacing between the tracks without some transitional arrangements. For this purpose you can use the slewing function on the adjoining template(s). You need to set the slew amount to match the difference in the track spacings. Here is a screenshot showing that, with the slewing zone (in the purple template) severely shortened to make the effect clear: slewed_approach.png This is EM gauge (4mm/ft), with the tracks on the left at standard 6ft way giving 44.67mm track centre spacings. On the right the spacing is increased to 10ft way, i.e ...
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... topic: 604 A Printing Problem posted: 30 Oct 2008 15:52 from: polybear Hi Martin, I have a strange printing problem! I have two templates joined together- the first is a straight length of trackwork (about 55" long) with a straight RH turnout about half way along the straight; the second is a transition curve connected to turnout as a siding. I'm transferring the file as a PDF (using PDF995) to my works computer via CD, so I can print it on a Roller Plotter (I'm selecting a paper size of 36" by 60" since there doesn't appear to be an option for roller paper in PDF995, and anyway anything bigger would probably be unwieldy). In Templot the Print Preview option shows the entire track plan. However, after conversion to PDF (the track plan just about runs onto a second paper sheet) only a straight section of trackwork upto the turnout plus a small section of turnout is coming up when the PDF file is opened- the rest of sheet one appears blank ...
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160. Elevation
... topic: 3238 Elevation posted: 10 Mar 2018 22:40 from: dave turner Hi Martin, Before you scream, or throw your hands up in horror, about the subject please bear with me. One of the interesting things about XTraCad is that it appeared to allow for different levels in a model railway, particularly including vertical transitions. -Note that I'm not talking about the extreme gradients that Hornby Dublo, amongst others offered. My basic question is:- If Templot is used to create plans for a multi-level network how much 'fettling' would be required? For example I've observed that many large models use spirals to transition from one level to another. At sensible gradients could native Templot allow for a change in gradient? My suspicion is not, but how far out would one practically be? (Piece of string)? regards Dave posted: 11 Mar 2018 13:12 from: Martin Wynne Hi Dave, Templot is neither 2D nor 3D. It is referenced to the rail top, so that the printed output can ...
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