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Code Issues 144 Wiki Activity

feat(editor): a warning of the sudden change of the cant deficiency right behind a switch, as ST-T1-A6 sees it (9.11): a track laid on from the end of the diverging track of a switch, or into it, is checked by switch_curve::check_exit from the end of the curve of the switch, a straight frog's length before its end, to the first sudden change of the curvature of the track laid. Two of them nearer than the intermediate element of table 9.16 (6 m in track connections up to 60 km/h) are taken together, else each one alone, against table 9.15 (130 mm up to 60 km/h), at the speed of the laying or of the diverging track of the switch, the lower one. The view tells of it by the cursor while the track is extended or laid, the status once it's laid; a transition out of the frog straight makes no sudden change. Selftest: from a Rz S42-190-1:7,5 with a frog straight of 1.66 m a curve the other way of R 200 m warned of 194 mm together, the same way none; from a Rz 60E1-190-1:9 with 6.09 m a curve the other way of R 200 m none, of R 120 m warned of 157 mm

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maj00r
2026-10-29 22:16:19 +01:00
parent b0918628b4
commit 2eda26b94c
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30
tests/unit/test_switch_curve.cpp
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@@ -167,3 +167,33 @@ TEST_CASE("slip bent into a curve: the cant of the side track, a track through i
auto const report{switch_curve::check_slip({first, arc(33.2, angle, 1.0 / 1000.0)}, {arc(21.0, 0.0, 1.0 / 190.0)}, curve, 150.0, 183.2)};
CHECK(says(report.warnings, "9.7 pkt 12"));
}
TEST_CASE("switch exit: a curve right behind a straight frog, its sudden changes of the cant deficiency apart or together") {
double const sw{1.0 / 190.0};
// R 190 on behind a frog straight for 6.09 m, at 40 km/h: apart, 99 mm at the end, within the 130 mm of table 9.15
auto const same{switch_curve::check_exit(sw, 6.092, {{40.0, sw, sw}}, 40.0)};
CHECK(same.apart == doctest::Approx(6.092));
CHECK(same.element == doctest::Approx(6.0));
CHECK(same.change == doctest::Approx(99.4).epsilon(0.01));
CHECK(same.warnings.empty());
// the other way behind a frog straight of 1.66 m only: together, 199 mm, over the 130 mm
auto const reverse{switch_curve::check_exit(sw, 1.662, {{40.0, -sw, -sw}}, 40.0)};
CHECK(reverse.apart == doctest::Approx(1.662));
CHECK(reverse.change == doctest::Approx(198.8).epsilon(0.01));
REQUIRE(reverse.warnings.size() == 1);
CHECK(says(reverse.warnings, "tables 9.15, 9.16"));
// the same way behind it: together the curvature hardly changes
CHECK(switch_curve::check_exit(sw, 1.662, {{40.0, sw, sw}}, 40.0).warnings.empty());
// a straight of 5 m laid on first: 6.66 m apart, the curve the other way alone, 99 mm
auto const later{switch_curve::check_exit(sw, 1.662, {{5.0, 0.0, 0.0}, {40.0, -sw, -sw}}, 40.0)};
CHECK(later.apart == doctest::Approx(6.662));
CHECK(later.warnings.empty());
// a sharp curve of R 100 alone: 189 mm
CHECK(says(switch_curve::check_exit(sw, 6.092, {{30.0, 0.01, 0.01}}, 40.0).warnings, "table 9.15"));
// a transition out of the frog straight: no sudden change behind it
CHECK(switch_curve::check_exit(sw, 1.662, {{20.0, 0.0, -sw}, {20.0, -sw, -sw}}, 40.0).warnings.empty());
// the curve of a switch with a curved frog going on: nothing of the switch to judge
auto const on{switch_curve::check_exit(1.0 / 300.0, 0.0, {{30.0, 1.0 / 300.0, 1.0 / 300.0}}, 50.0)};
CHECK(on.apart < 0.0);
CHECK(on.warnings.empty());
}