6c3390f14d
- moves collapse into a dedicated set of functions / files - make collapse scenarios distinct (slight performance cost) - reduce verbosity for short name segments (now actually working, was supposed to do so before)
53 lines
2.0 KiB
C++
53 lines
2.0 KiB
C++
#ifndef ENGINE_GUIDANCE_POST_PROCESSING_HPP
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#define ENGINE_GUIDANCE_POST_PROCESSING_HPP
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#include "engine/guidance/leg_geometry.hpp"
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#include "engine/guidance/route_step.hpp"
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#include "engine/phantom_node.hpp"
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#include "util/attributes.hpp"
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#include <vector>
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namespace osrm
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{
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namespace engine
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{
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namespace guidance
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{
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// passed as none-reference to modify in-place and move out again
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OSRM_ATTR_WARN_UNUSED
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std::vector<RouteStep> postProcess(std::vector<RouteStep> steps);
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// trim initial/final segment of very short length.
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// This function uses in/out parameter passing to modify both steps and geometry in place.
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// We use this method since both steps and geometry are closely coupled logically but
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// are not coupled in the same way in the background. To avoid the additional overhead
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// of introducing intermediate structions, we resolve to the in/out scheme at this point.
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void trimShortSegments(std::vector<RouteStep> &steps, LegGeometry &geometry);
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// assign relative locations to depart/arrive instructions
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OSRM_ATTR_WARN_UNUSED
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std::vector<RouteStep> assignRelativeLocations(std::vector<RouteStep> steps,
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const LegGeometry &geometry,
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const PhantomNode &source_node,
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const PhantomNode &target_node);
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// collapse suppressed instructions remaining into intersections array
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OSRM_ATTR_WARN_UNUSED
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std::vector<RouteStep> buildIntersections(std::vector<RouteStep> steps);
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// postProcess will break the connection between the leg geometry
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// for which a segment is supposed to represent exactly the coordinates
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// between routing maneuvers and the route steps itself.
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// If required, we can get both in sync again using this function.
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// Move in LegGeometry for modification in place.
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OSRM_ATTR_WARN_UNUSED
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LegGeometry resyncGeometry(LegGeometry leg_geometry, const std::vector<RouteStep> &steps);
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} // namespace guidance
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} // namespace engine
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} // namespace osrm
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#endif // ENGINE_GUIDANCE_POST_PROCESSING_HPP
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