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Bounding box of tile-relative mvt geometry

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Erica Fischer
2024-08-23 13:12:43 -07:00
parent 0514802f66
commit afa6a73a79
5 changed files with 65 additions and 10 deletions
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unit.cpp
+21
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@@ -3,6 +3,8 @@
#include "text.hpp"
#include "sort.hpp"
#include "tile-cache.hpp"
#include "mvt.hpp"
#include "projection.hpp"
#include <unistd.h>
#include <limits.h>
@@ -124,3 +126,22 @@ TEST_CASE("Bit reversal", "bit reversal") {
REQUIRE(bit_reverse(0x1234567812489BCF) == 0xF3D912481E6A2C48);
REQUIRE(bit_reverse(0xF3D912481E6A2C48) == 0x1234567812489BCF);
}
TEST_CASE("mvt_geometry bbox") {
std::vector<mvt_geometry> geom;
geom.emplace_back(mvt_moveto, 128, 128);
geom.emplace_back(mvt_lineto, 256, 256);
long long xmin, ymin, xmax, ymax;
get_bbox(geom, &xmin, &ymin, &xmax, &ymax, 11, 327, 791, 9);
double lon, lat;
tile2lonlat(xmin, ymin, 32, &lon, &lat);
REQUIRE(std::to_string(lon) == "-122.475586");
REQUIRE(std::to_string(lat) == "37.822802");
tile2lonlat(xmax, ymax, 32, &lon, &lat);
REQUIRE(std::to_string(lon) == "-122.431641");
REQUIRE(std::to_string(lat) == "37.788081");
}