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perform zero-length segment removal

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This commit is contained in:
Moritz Kobitzsch
2016-03-29 13:45:48 +02:00
committed by Patrick Niklaus
parent c47f6e2ca5
commit 5e6d638c6f
5 changed files with 161 additions and 38 deletions
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include/engine/api/route_api.hpp
+12 -5
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@@ -106,7 +106,8 @@ class RouteAPI : public BaseAPI
* Using post-processing on basis of route-steps for a single leg at a time
* comes at the cost that we cannot count the correct exit for roundabouts.
* We can only emit the exit nr/intersections up to/starting at a part of the leg.
* If a roundabout is not terminated in a leg, we will end up with a enter-roundabout
* If a roundabout is not terminated in a leg, we will end up with a
*enter-roundabout
* and exit-roundabout-nr where the exit nr is out of sync with the previous enter.
*
* | S |
@@ -118,16 +119,22 @@ class RouteAPI : public BaseAPI
* | |
* | |
*
* Coming from S via V to T, we end up with the legs S->V and V->T. V-T will say to take
* Coming from S via V to T, we end up with the legs S->V and V->T. V-T will say to
*take
* the second exit, even though counting from S it would be the third.
* For S, we only emit `roundabout` without an exit number, showing that we enter a roundabout
* For S, we only emit `roundabout` without an exit number, showing that we enter a
*roundabout
* to find a via point.
* The same exit will be emitted, though, if we should start routing at S, making
* the overall response consistent.
*/
leg.steps = guidance::postProcess(std::move(steps));
leg_geometry = guidance::resyncGeometry(std::move(leg_geometry),leg.steps);
leg.steps = guidance::postProcess(std::move(steps));
guidance::trimShortSegments(leg.steps, leg_geometry);
leg.steps = guidance::assignRelativeLocations(std::move(leg.steps), leg_geometry,
phantoms.source_phantom,
phantoms.target_phantom);
leg_geometry = guidance::resyncGeometry(std::move(leg_geometry), leg.steps);
}
leg_geometries.push_back(std::move(leg_geometry));