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[routing] Maxspeed section. Processing case when oneway==-1.

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Vladimir Byko-Ianko 2018-10-22 14:46:19 +03:00 • committed by mpimenov
parent ffca965c98
commit dc2ce92d62
1 changed files with 11 additions and 0 deletions
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11
generator/maxspeed_collector.cpp
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@ -21,6 +21,7 @@ void MaxspeedCollector::Process(OsmElement const & p)
auto const & tags = p.Tags();
string maxspeedForward;
string maxspeedBackward;
bool isReverse = false;
for (auto const & t : tags)
{
@ -35,8 +36,18 @@ void MaxspeedCollector::Process(OsmElement const & p)
maxspeedForward = t.value;
else if (t.key == "maxspeed:backward")
maxspeedBackward = t.value;
else if (t.key == "oneway")
isReverse = (t.value == "-1");
}
// Note 1. isReverse == true means feature |p| has tag "oneway" with value "-1". Now (10.2018)
// no feature with a tag oneway==-1 and a tag maxspeed:forward/backward is found. But to
// be on the safe side the case is processed.
// Note 2. If oneway==-1 the order of points is changed while conversion to mwm. So it's
// necessary to swap forward and backward as well.
if (isReverse)
maxspeedForward.swap(maxspeedBackward);
if (maxspeedForward.empty())
return;