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fix off-by-one issue related to #1020

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This commit is contained in:
Dennis Luxen 2014-05-27 12:09:05 +02:00
parent 5f4d342d45
commit 49a1dfff60
1 changed files with 4 additions and 5 deletions
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9
Descriptors/DescriptionFactory.h
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@ -193,22 +193,21 @@ class DescriptionFactory
polyline_generalizer.Run(path_description, zoomLevel);
// fix what needs to be fixed else
unsigned necessary_pieces = 0;
unsigned necessary_pieces = 0; // a running index that counts the necessary pieces
for (unsigned i = 0; i < path_description.size() - 1 && path_description.size() >= 2; ++i)
{
if (path_description[i].necessary)
{
++necessary_pieces;
if (path_description[i].is_via_location)
{
{ //mark the end of a leg
via_indices.push_back(necessary_pieces);
}
const double angle = path_description[i+1].location.GetBearing(path_description[i].location);
path_description[i].bearing = angle * 10;
++necessary_pieces;
}
}
via_indices.push_back(necessary_pieces);
via_indices.push_back(necessary_pieces+1);
BOOST_ASSERT(via_indices.size() >= 2);
// BOOST_ASSERT(0 != necessary_pieces || path_description.empty());
return;