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update pmtiles.hpp with z>15 fix

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This commit is contained in:
Brandon Liu
2022-12-22 07:57:12 +08:00
parent f8319ee5f1
commit 1ac6afa543
1 changed files with 2 additions and 2 deletions
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pmtiles/pmtiles.hpp
+2 -2
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@@ -387,7 +387,7 @@ inline zxy tileid_to_zxy(uint64_t tileid) {
uint64_t acc = 0;
uint8_t t_z = 0;
while (true) {
uint64_t num_tiles = (1 << t_z) * (1 << t_z);
uint64_t num_tiles = (1LL << t_z) * (1LL << t_z);
if (acc + num_tiles > tileid) {
return t_on_level(t_z, tileid - acc);
}
@@ -398,7 +398,7 @@ inline zxy tileid_to_zxy(uint64_t tileid) {
inline uint64_t zxy_to_tileid(uint8_t z, uint32_t x, uint32_t y) {
uint64_t acc = 0;
for (uint8_t t_z = 0; t_z < z; t_z++) acc += (0x1 << t_z) * (0x1 << t_z);
for (uint8_t t_z = 0; t_z < z; t_z++) acc += (1LL << t_z) * (1LL << t_z);
int64_t n = 1 << z;
int64_t rx, ry, s, d = 0;
int64_t tx = x;