5 define(`pt_main_r',`pt_peco_mr')
9 part pt_i pt_peco_lr c ic
10 part x cross_peco_l br pt_i_a
11 part pt_o pt_peco_lr b x_bl
14 extend pt_o_a oa upto ia
21 part main_up ^pt_main_r c right b right_main_up
22 part main_down pt_main_r c right b right_main_down
23 part short_down pt_peco_sr c right b right_short_down
25 part main_left ^pt_main_r c up b up_main_left
26 part main_right pt_main_r c up b up_main_right
27 part dualjn_tr ^dualjn_peco_r ib -right
30 # positive segment direction is anticlockwise, since T rail is
31 # on the inside (see informat.txt)
33 #---------- main line figure-of-8
37 abs midx_x_m 930 700 90
40 segmap midx_F -X1 midx_B X2
41 part midx_x cross_peco_s m
44 extend midx_x_tr -top_0rm_b parallel demos!right_main_up 315
47 part top_0rm ^pt_main_r b
50 extend midx_x_tl -top_0lm_b parallel demos!-right_main_down -315
53 part top_0lm pt_main_r b
54 rel top_0lm_c top_2lk 0 -37
55 rel top_2lk top_3lk 0 -37
60 rel top_3lk top_45x_br 67 -39 -2.25
61 extend -top_45x_br -top_4le0 len 120 -1200
64 rel top_3lk top_5_ref 0 -74
70 extend -midx_x_bl -midx_j_a len 10 315
73 part midx_j pt_peco_sl a
76 extend -midx_j_c -bot_0lm_b parallel demos!right_main_up 315
79 part bot_0lm ^pt_main_r b
82 extend -bot_0lm_c -leb_0k uptoang 90 315
85 rel -leb_0k -leb_2k 0 -37
86 rel -leb_2k -leb_3k 0 -37
88 rel -bot_0lm_c bot_2lk 0 -37
89 rel bot_2lk bot_3lk 74 -37
92 extend -midx_x_br -demo_midx_x_br_x ang 7 316
93 extend -demo_midx_x_br_x -demo_bot_0rm_b parallel demos!right_main_down -316
94 part demo_bot_0rm pt_main_r b
97 extend bot_0lm_a -bot_0rm_c upto demo_bot_0rm_c
102 part bot_0rm pt_main_r c
105 extend -top_0rm_c top_0rme upto bot_0rm_c
108 join bot_0rm_b midx_x_br 315
111 extend top_0rme top_0rme1 ang 9 315
112 extend top_0rme1 rim_0t uptoang -90 315
115 rel rim_0t rim_2t 0 -37
116 rel rim_2t rim_3t 0 -37
119 join top_0lm_a -top_0rm_a 450
127 extend bot_3lk sq_bl_o upto leb_3k
128 rel sq_bl_o sq_bl_i 0 0 -90
130 extend sq_bl_i sq_tl_o upto top_5_ref
131 rel sq_tl_o sq_tl_i 0 0 -90
133 extend sq_tl_i sq_tr_o upto rim_3t
134 rel sq_tr_o sq_tr_i 0 0 -90
136 extend sq_tr_i sq_br_o upto sq_bl_i
137 rel sq_br_o sq_br_i 0 0 -90
139 extend sq_br_i sq_bl_o2 upto sq_bl_o
141 #---------- bottom junction between main loop, main-8
145 #rel sq_br_i bot_3rj_c 315
146 rel sq_br_i bot_3rj_c 345
148 rel bot_0rm_c bot_2rk 0 -37
149 extend bot_2rk bot_2rx_br len 130
151 part bot_3rj pt_main_r c
153 part bot_2rx slip2_pecof br
154 join bot_3rj_b bot_2rx_bl 450
156 extend bot_2rx_tr bot_0mx_bl len 19 1400
158 part bot_0mx cross_pecof_s bl
159 extend -bot_0mx_br -bot_0rj_b len 8
163 part bot_0rj ^pt_main_r b
164 join bot_0rm_a bot_0rj_c 450
167 rel bot_0mx_tr -bot_0lj_b
171 part bot_0lj pt_main_r b
174 segment -A5/J0 53 -A6/J0
175 join bot_0rj_a -bot_0lj_a 450
178 join -bot_0lj_c -bot_0lm_a 450
181 extend bot_0mx_tl -bot_02lj_b uptoang 194 -315
182 part bot_02lj ^pt_main_r b
183 part bot_23lj ^pt_main_r c -bot_02lj_c
185 join bot_2rx_tl -bot_02lj_a 450
187 part bot_3lj ^pt_main_r c -bot_3lk
188 join bot_3rj_a -bot_3lj_a 450
190 join bot_23lj_b -bot_3lj_b 315 twoarcs
191 join bot_3lk -leb_3k 315 arcline
193 join bot_23lj_a bot_2lk 450
194 join bot_2lk -leb_2k 352
197 join rim_0t bot_0rm_c 315 arcline
201 join rim_2t bot_2rk 352 arcline
204 join rim_3t bot_3rj_c 315 arcline
206 #---------- station branch curve
209 rel sq_tl_i -top_5le 352 0 180
212 extend -top_5le leb_5e ang 90 -352
213 rel leb_5e leb_4e 0 -37
214 join -leb_4e top_4le0 315
217 join -leb_3k top_3lk 389 arcsline
218 join -leb_2k top_2lk 352 arcsline
222 join -leb_0k top_0lm_c 315 arcsline
226 extend top_5le top_5re0 len 30.0 315
227 extend top_5re0 top_45x_bl len 95 -1200
228 part top_45x scis_pecof bl
230 #---------- top main-line/station junction
233 rel top_0rme1 -top_2j_c 0 -37
234 part top_2j pt_pecofguess_ll c
237 extend top_2lk top_2j21 len 300
240 join top_2j21 -top_2j_b 600
243 extend top_45x_tr top_4j21 len 95 1200
244 join top_4j21 -top_2j_a 500 twoarcs
246 rel -top_0rm_a top_5j3b 0 -148
247 extend top_45x_tl top_5j3a len 95 -1200
248 join top_5j3a top_5j3b 315 twoarcs
251 extend top_3lk top_3u1 len 335
252 rel -top_0rm_a top_3u2 -0 -105
253 join top_3u1 top_3u2 500 cross twoarcs !arcsline
256 extend -rim_3t -rim_3tt ang 1 -389
257 part top_3j pt_peco_cl c -rim_3tt
260 join top_3u2 -top_3j_b 315 arcline
263 extend top_3j_a top_5j3c ang 45 -315
266 join top_5j3b -top_5j3c 315 arcline
269 join -top_2j_c rim_2t 352
277 part leb_4y pt_peco_sl c leb_4e
278 extend leb_4y_a sta_4neare uptoang 5 -315
279 extend sta_4neare sta_4far len 1118
281 rel sta_4neare sta_5nears 130 30
282 extend sta_5nears sta_5far upto sta_4far
284 extend -sta_5nears -sta_5neare1 len 60 -450
285 extend -sta_5neare1 -sta_5neare2 len 50 450
287 extend leb_5e leb_5eb upto leb_4y_a
288 join leb_5eb sta_5neare2 352
292 # high-level lines and platforms
294 rel sta_4neare sta_6far 500 76
295 part sta_67r pt_peco_sl a -sta_6far
297 rel sq_br_i high_6br0 230 0 -180
298 extend high_6br0 high_6br1 ang 90 -230
299 join -sta_67r_c high_6br0 230
301 extend -sta_6far -sta_6nears len 630
302 part sta_67l pt_peco_sl b sta_6nears
303 join sta_67l_a -sta_67r_b 230
304 extend -sta_67l_c high_6bl5 uptoang -30 230
308 rel sta_6nears sta_6nears_platnear 0 -14.5
309 rel sta_6nears_platnear sta_6nears_platfar 0 -17
310 extend sta_6nears_platnear sta_6far_platnear upto sta_6far
311 extend sta_6nears_platfar sta_6far_platfar upto sta_6far
312 join sta_6nears_platnear -sta_6nears_platfar 1
313 join sta_6far_platnear -sta_6far_platfar 1
315 # medium-level platforms
319 rel sta_4far sta_4far_platnear 0 -14.5
320 rel sta_4far_platnear sta_4far_platfar 0 -17
321 extend -sta_4far_platnear -sta_4neare_plat upto sta_4neare
322 extend -sta_4far_platfar -sta_4nears_platfar upto sta_5nears
323 join sta_4neare_plat sta_4nears_platfar 1
324 join sta_4far_platnear -sta_4far_platfar 1
326 rel sta_5far sta_5far_platnear 0 14.5
327 rel sta_5far_platnear sta_5far_platfar 0 17
328 extend -sta_5far_platnear -sta_5neare_plat upto sta_5nears
329 extend -sta_5far_platfar -sta_5neare_platfar upto sta_4neare
330 join sta_5neare_platfar sta_5neare_plat 1
331 join sta_5far_platnear -sta_5far_platfar 1
337 rel sta_4far_platnear sta_tt_mid -50 -120
338 part sta_tt tt_atlas mid
339 part sta_ttmotor tt_atlas_motor cout sta_tt_out90
343 rel sta_4neare sta_3neare 15 -48 -8
344 part sta_3sc pt_peco_sr c -sta_3neare
345 join leb_4y_b -sta_3sc_a 230
347 extend sta_3neare sta_3y0_c uptoang 5 -230
348 part sta_3y0 pt_peco_sl c
353 extend sta_3y0_b sta_0y1_c ang 1 -230
354 part sta_0y1 pt_peco_sl c
357 rel sta_4neare sta_3nears 280 -46
358 part sta_3y1 pt_peco_sl c sta_3y0_a
359 join sta_3y1_a sta_3nears 450
361 extend sta_3nears sta_3far len 500
362 extend sta_3far sta_3far1 len 30 -650
363 join sta_3far1 -sta_tt_out210 230
367 part sta_2y0 pt_peco_sr c sta_3y1_b
368 extend sta_2y0_b sta_2nears parallel sta_3nears 230
369 extend sta_2nears sta_2far upto sta_3far1
370 join sta_2far -sta_tt_out195 230
374 rel sta_2far sta_1far 0 -37
375 join sta_1far sta_tt_in 230
376 join sta_2y0_a sta_1far 230 arcline
378 #---------- sort-of helix (regions sc and h)
381 extend midx_j_b sc_9 len 80 -230
384 rel top_0lm_c -sc_7 0 40
387 extend -sc_7 -sc_8 ang 45 315
391 extend sc_7 sc_6 ang 60 -275
392 extend sta_3sc_b -sc_3 len 20 -450
393 extend -sc_3 -sc_5 len 50 230
397 extend sta_0y1_b high_6s0 ang 65 -230
400 extend high_6s0 high_6s1 uptoang 15 230
403 extend high_6s1 high_6s2 len 100
406 rel sq_tr_i high_6s4 0 320 90
409 join high_6s2 high_6s4 230
411 #---------- high-level goods
415 extend high_6s4 highr_6jt_c ang 45 230
416 part highr_6jt pt_peco_sr c
418 rel sta_1far -high_sta6far -10 -37
419 extend high_sta6far high_sta6near upto sta_2y0_a
421 extend highr_6jt_b highr_x_br uptoang -120 230
423 part highr_x cross_atlas_90m br
425 extend highr_x_tl highr_6sc_c ang 20 230
426 part highr_6sc pt_peco_sr c
427 extend highr_6sc_a highr_6out ang 15 230
428 join highr_6out high_sta6far 230
431 extend -highr_x_bl -demo_highr_6jb_c uptoang -90 230
432 extend -sq_br_o place_highr_6jb_c upto demo_highr_6jb_c
435 rel place_highr_6jb_c highr_6jb_c -5 0
436 part highr_6jb pt_peco_sl c
437 join highr_6jb_b highr_x_bl 230
438 join highr_6jt_a -highr_6jb_a 230 arcline
439 join high_6br1 highr_6jb_c 230
441 extend highr_x_tr highr_7kink uptoang 225 -230
442 extend highr_7kink -highr_7sc_a ang 30 230
443 rel high_sta6near high_sta7near 0 37
445 part highr_7sc pt_peco_sr a
446 join -highr_7sc_c high_sta7near 230
448 join highr_7sc_b -highr_6sc_b 230
450 part high_67j pt_peco_sr c high_6bl5
451 join high_67j_b -high_sta6near 267
452 join high_67j_a -high_sta7near 230
454 #---------- shunting yard
459 define(`extendyard',`
460 part j$1 pt_peco_sr c $2
461 part k$1 pt_peco_sr c j$1_b
462 extend k$1_b near$1a ang 0.001 -230
463 extend k$1_a near$1b ang 22.501 230
464 extend near$1a far$1a $3
465 extend near$1b far$1b $4
468 extendyard(`0',`e', `len 600',`len 500')
469 extendyard(`1',`j0_a',`len 500',`len 400')
470 extend j1_a e2a ang 2 -230
471 extend e2a near2a parallel near0a 230
472 extend near2a far2a len 370
475 extend sta_0y1_a yard_0e ang 31 -230
476 part yard yard e yard_0e
478 #---------- train houses
480 extend sta_tt_out135 sta_9house len 200 -230
481 extend sta_tt_out150 sta_8house len 230 -400
482 extend sta_tt_out165 sta_7house upto sta_8house -2000