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Fix crash on extracting Berlin in guidance

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This commit is contained in:
Patrick Niklaus 2016-03-05 19:31:59 +01:00
parent be5f231641
commit c337d55d45
1 changed files with 7 additions and 6 deletions
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13
src/extractor/guidance/turn_analysis.cpp
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@ -523,21 +523,20 @@ handleMotorwayRamp(const NodeID from,
{
unsigned num_valid_turns = countValid(turn_candidates);
// ramp straight into a motorway/ramp
if (num_valid_turns == 1)
if (turn_candidates.size() == 2 && num_valid_turns == 1)
{
BOOST_ASSERT(!turn_candidates[0].valid);
BOOST_ASSERT(isMotorwayClass(turn_candidates[1].eid, node_based_graph));
turn_candidates[1].instruction =
noTurnOrNewName(from, via_edge, turn_candidates[1], node_based_graph);
//{TurnType::Merge,
// getTurnDirection(turn_candidates[1].angle)};
}
else if (turn_candidates.size() == 3)
{
// merging onto a passing highway / or two ramps merging onto the same highway
if (num_valid_turns == 1)
{
BOOST_ASSERT(!turn_candidates[0].valid);
// check order of highways
// 4
// 5 3
@ -565,6 +564,7 @@ handleMotorwayRamp(const NodeID from,
}
else
{
BOOST_ASSERT(turn_candidates[2].valid);
if (isMotorwayClass(turn_candidates[2].eid, node_based_graph))
{
// circular order (5-0) onto 4
@ -581,11 +581,13 @@ handleMotorwayRamp(const NodeID from,
noTurnOrNewName(from, via_edge, turn_candidates[1], node_based_graph);
}
}
else
{
BOOST_ASSERT(num_valid_turns == 2);
// UTurn on ramps is not possible
BOOST_ASSERT(turn_candidates[1].valid && turn_candidates[2].valid);
BOOST_ASSERT(!turn_candidates[0].valid);
BOOST_ASSERT(turn_candidates[1].valid);
BOOST_ASSERT(turn_candidates[2].valid);
// two motorways starting at end of ramp (fork)
// M M
// \ /
@ -680,7 +682,6 @@ handleMotorwayJunction(const NodeID from,
{
return handleFromMotorway(from, via_edge, std::move(turn_candidates), node_based_graph);
}
else // coming from a ramp
{
return handleMotorwayRamp(from, via_edge, std::move(turn_candidates), node_based_graph);