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Code Issues 152 Wiki Activity

fix(editor): the exit signals of a station track stand at the ends of its longest circuit, for the longest useful length both ways as Ie-4 § 13 ust. 8 wants, not at the outer ends of the outermost long circuits, which left the trains of one way a short stretch beyond a switch within the track

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maj00r
2026-10-22 15:24:02 +02:00
parent a217c9ba75
commit 1f8a477ec4
2 changed files with 15 additions and 7 deletions
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12
editor/editorStation.cpp
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@@ -1245,7 +1245,8 @@ std::vector<signal> signals(layout const &Layout, std::vector<numbered> const &T
auto const odd{digit == track.number.rend() || (*digit - '0') % 2 == 1};
auto upper{track.number};
std::transform(upper.begin(), upper.end(), upper.begin(), [](char const Letter) { return static_cast<char>(std::toupper(static_cast<unsigned char>(Letter))); });
// the outer ends of the outermost circuits long enough, else of the outermost ones
// the ends of the longest circuit long enough, for the longest useful length of the track both ways (Ie-4 § 13 ust. 8), else
// the outer ends of the outermost ones
struct reach
{
track_end low;
@@ -1255,15 +1256,22 @@ std::vector<signal> signals(layout const &Layout, std::vector<numbered> const &T
};
reach longest;
reach any;
double best{0.0};
for (auto const &circuit : track.circuits)
{
double length{0.0};
for (auto const *part : circuit)
length += node(*part) ? 0.0 : plan_length(*part, 0);
auto const chosen{length >= kStopping && length > best};
if (chosen)
{
best = length;
longest = reach{};
}
for (auto const &end : ends_out(circuit))
{
auto const x{project(Layout, end.point).x};
for (auto *found : {&any, length >= kStopping ? &longest : static_cast<reach *>(nullptr)})
for (auto *found : {&any, chosen ? &longest : static_cast<reach *>(nullptr)})
{
if (found == nullptr)
continue;

10
editor/editorStation.hpp
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@@ -143,11 +143,11 @@ struct signal
};
// the signals of the station: the entry ones 300 m out along the lines beyond the circuits of the station, A, B... from the start
// of the chainage, Z, Y... from its end, the leftmost first; the exit ones facing out at the outer ends of the outermost circuits
// at least 200 m long of the station tracks, a letter for the odd tracks and one for the even ones at each end, with the number:
// F1, G2 towards the start, R1, P2 towards the end; the shunting ones at the ends of the shorter tracks, Tm1, Tm2... along the
// chainage. Each on the right of the trains, unless another track runs too close by there. Inside: a track of the circuits of the
// station
// of the chainage, Z, Y... from its end, the leftmost first; the exit ones facing out at the ends of the longest circuit at least
// 200 m long of each station track, for its longest useful length, a letter for the odd tracks and one for the even ones at each
// end, with the number: F1, G2 towards the start, R1, P2 towards the end; the shunting ones at the ends of the shorter tracks, Tm1,
// Tm2... along the chainage. Each on the right of the trains, unless another track runs too close by there. Inside: a track of the
// circuits of the station
std::vector<signal> signals(layout const &Layout, std::vector<numbered> const &Tracks, std::function<bool(TTrack const &)> const &Inside);
// a track of a line out beyond an entry signal of the station, to the next station or the end of the tracks