95af72c70c
For `depart` and `arrive` `step.intersections[0].{bearings|entry}` will have
only one entry.
57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
#ifndef OSRM_UTIL_GUIDANCE_TOOLKIT_HPP_
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#define OSRM_UTIL_GUIDANCE_TOOLKIT_HPP_
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/* A set of tools required for guidance in both pre and post-processing */
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#include "engine/guidance/route_step.hpp"
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#include "engine/phantom_node.hpp"
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#include "extractor/guidance/turn_instruction.hpp"
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#include "util/guidance/bearing_class.hpp"
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#include "util/guidance/entry_class.hpp"
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#include "util/simple_logger.hpp"
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#include <algorithm>
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#include <vector>
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namespace osrm
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{
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namespace util
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{
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namespace guidance
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{
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inline double angularDeviation(const double angle, const double from)
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{
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const double deviation = std::abs(angle - from);
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return std::min(360 - deviation, deviation);
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}
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inline extractor::guidance::DirectionModifier getTurnDirection(const double angle)
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{
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// An angle of zero is a u-turn
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// 180 goes perfectly straight
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// 0-180 are right turns
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// 180-360 are left turns
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if (angle > 0 && angle < 60)
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return extractor::guidance::DirectionModifier::SharpRight;
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if (angle >= 60 && angle < 140)
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return extractor::guidance::DirectionModifier::Right;
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if (angle >= 140 && angle < 170)
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return extractor::guidance::DirectionModifier::SlightRight;
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if (angle >= 165 && angle <= 195)
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return extractor::guidance::DirectionModifier::Straight;
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if (angle > 190 && angle <= 220)
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return extractor::guidance::DirectionModifier::SlightLeft;
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if (angle > 220 && angle <= 300)
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return extractor::guidance::DirectionModifier::Left;
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if (angle > 300 && angle < 360)
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return extractor::guidance::DirectionModifier::SharpLeft;
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return extractor::guidance::DirectionModifier::UTurn;
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}
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} // namespace guidance
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} // namespace util
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} // namespace osrm
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#endif /* OSRM_UTIL_GUIDANCE_TOOLKIT_HPP_ */
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