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Don't remove small segments at start/begin if they are vias

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This commit is contained in:
Patrick Niklaus 2015-06-02 17:51:17 +02:00
parent 71dc10ebea
commit 9967dbbaa9
1 changed files with 5 additions and 2 deletions
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7
descriptors/description_factory.cpp
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@ -173,6 +173,7 @@ void DescriptionFactory::Run(const unsigned zoom_level)
// }
// string0 = string1;
// }
//
float segment_length = 0.;
EdgeWeight segment_duration = 0;
@ -197,7 +198,8 @@ void DescriptionFactory::Run(const unsigned zoom_level)
// Post-processing to remove empty or nearly empty path segments
if (path_description.size() > 2 &&
std::numeric_limits<float>::epsilon() > path_description.back().length)
std::numeric_limits<float>::epsilon() > path_description.back().length &&
!(path_description.end() - 2)->is_via_location)
{
path_description.pop_back();
path_description.back().necessary = true;
@ -206,7 +208,8 @@ void DescriptionFactory::Run(const unsigned zoom_level)
}
if (path_description.size() > 2 &&
std::numeric_limits<float>::epsilon() > path_description.front().length)
std::numeric_limits<float>::epsilon() > path_description.front().length &&
!(path_description.begin() + 1)->is_via_location)
{
path_description.erase(path_description.begin());
path_description.front().turn_instruction = TurnInstruction::HeadOn;