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https://github.com/MaSzyna-EU07/maszyna.git
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87 lines
3.8 KiB
C++
87 lines
3.8 KiB
C++
/*
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This Source Code Form is subject to the
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terms of the Mozilla Public License, v.
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2.0. If a copy of the MPL was not
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distributed with this file, You can
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obtain one at
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http://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include <array>
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#include <string>
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#include <vector>
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// structure gauge (skrajnia budowli) of the PKP PLK technical standards, volume II: the space along the track
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// which has to stay clear of the objects
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namespace gauge
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{
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// how the outline widens along the track
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enum class kind
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{
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unified, // skrajnia budowli ujednolicona GPL: the curves of R >= 250 m are included above the lower part
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installation, // graniczna or nominalna skrajnia zabudowy: widened by 3750/R in all curves
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road // skrajnia drogi: measured from the edge of the carriageway, no widening
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};
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// right half of the outline on a straight track, in metres: half-width from the axis (for the roads from the edge
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// of the carriageway) and height above the rail top or the road surface, listed from the bottom up; the left half
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// is the mirror
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struct profile
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{
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std::string name;
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gauge::kind kind{kind::unified};
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struct point
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{
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double half_width{0.0};
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double height{0.0};
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};
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std::vector<point> outline;
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};
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// GPL-1 and GPL-2 over the limit installation gauge below 1170 mm, with and without the pantograph gauge, the limit
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// and nominal installation gauges G1, G2, GA, GB, GC of the PKP PLK technical standards, and the road gauges
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std::vector<profile> default_profiles();
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// outlines kept in the file, the defaults when there's none
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std::vector<profile> load_profiles(std::string const &File);
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void save_profiles(std::string const &File, std::vector<profile> const &Profiles);
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// the points of the paths in the scenery lie at the rail foot, the gauge is measured from the rail head
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double constexpr rail_height{0.18};
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// below this height the outline is the limit installation gauge, which leaves the room for the platforms
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double constexpr lower_part{1.17};
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// widening of the sides of the gauge at a place of the track, metres; index 0 is the right side, 1 the left one
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struct section
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{
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double base{0.0}; // added to the half-width of the outline: half of the carriageway of a road
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std::array<double, 2> upper{}; // from the radius, above the lower part
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std::array<double, 2> lower{}; // from the radius, in the lower part
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std::array<double, 2> cant{}; // cant in metres, positive on the inner side of the curve and negative on the outer one
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double tilt{0.0}; // sine of the slope of the plane of the rail heads, positive with the left rail raised
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};
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// point of the cross-section, metres: lateral positive to the left, height above the rail top
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struct place
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{
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double lateral{0.0};
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double height{0.0};
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};
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// sections at the points of a route, from their chainage, curvature (1/m, positive turning left) and cant (m).
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// The widening begins and ends ahead of the changes of the curvature and cant, as the vehicles enter a curve
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std::vector<section> sections(kind Kind, std::vector<double> const &Chainage, std::vector<double> const &Curvature, std::vector<double> const &Cant);
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// widening of the side (+1 left, -1 right) at the height; the cant shifts only the part above the lower one,
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// the lower part turns with the plane of the rail heads instead
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double widening(section const &Section, double Height, int Side);
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// point of the outline on the side at the section, with the widening and the turn of the lower part
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place outline_point(profile const &Profile, section const &Section, std::size_t Index, int Side);
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// half-width of the gauge at the height on the side, negative above or below the outline
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double half_width(profile const &Profile, section const &Section, double Height, int Side);
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// depth of the point inside the gauge, metres, not positive outside of it. Lateral positive to the left
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double intrusion(profile const &Profile, section const &Section, double Lateral, double Height);
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} // namespace gauge
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