Open-Harbor/osrm-backend
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 3 Wiki Activity

Implement viewport code to fix simplification

Browse Source 
This fixes #2083
This commit is contained in:
Patrick Niklaus
2016-03-16 21:31:30 +01:00
parent a77574b3d7
commit 879ccfc8c2
8 changed files with 101 additions and 196 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/engine/guidance/assemble_overview.cpp
+9 -12
View File
@@ -3,7 +3,7 @@
#include "engine/guidance/leg_geometry.hpp"
#include "engine/douglas_peucker.hpp"
#include "util/tiles.hpp"
#include "util/viewport.hpp"
#include <vector>
#include <tuple>
@@ -23,25 +23,22 @@ namespace
unsigned calculateOverviewZoomLevel(const std::vector<LegGeometry> &leg_geometries)
{
util::FixedLongitude min_lon{std::numeric_limits<int>::max()};
util::FixedLongitude max_lon{std::numeric_limits<int>::min()};
util::FixedLatitude min_lat{std::numeric_limits<int>::max()};
util::FixedLatitude max_lat{std::numeric_limits<int>::min()};
util::Coordinate south_west{util::FixedLongitude{std::numeric_limits<int>::max()}, util::FixedLatitude{std::numeric_limits<int>::max()}};
util::Coordinate north_east{util::FixedLongitude{std::numeric_limits<int>::min()}, util::FixedLatitude{std::numeric_limits<int>::min()}};
for (const auto &leg_geometry : leg_geometries)
{
for (const auto coord : leg_geometry.locations)
{
min_lon = std::min(min_lon, coord.lon);
max_lon = std::max(max_lon, coord.lon);
min_lat = std::min(min_lat, coord.lat);
max_lat = std::max(max_lat, coord.lat);
south_west.lon = std::min(south_west.lon, coord.lon);
south_west.lat = std::min(south_west.lat, coord.lat);
north_east.lon = std::max(north_east.lon, coord.lon);
north_east.lat = std::max(north_east.lat, coord.lat);
}
}
return util::tiles::getBBMaxZoomTile(toFloating(min_lon), toFloating(min_lat),
toFloating(max_lon), toFloating(max_lat))
.z;
return util::viewport::getFittedZoom(south_west, north_east);
}
std::vector<util::Coordinate> simplifyGeometry(const std::vector<LegGeometry> &leg_geometries,