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v3 spec details e7 coordinate encoding

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Brandon Liu
2022-10-05 15:08:25 +08:00
parent 5adeddf692
commit a6a1ff1f89
1 changed files with 2 additions and 2 deletions
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spec/v3/spec.md
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@@ -61,13 +61,13 @@ The `Header` is 127 bytes, with little-endian integer values:
| 72 | # of addressed tiles, 0 if unknown | 8 | | 72 | # of addressed tiles, 0 if unknown | 8 |
| 80 | # of tile entries, 0 if unknown | 8 | | 80 | # of tile entries, 0 if unknown | 8 |
| 88 | # of tile contents, 0 if unknown | 8 | | 88 | # of tile contents, 0 if unknown | 8 |
| 96 | boolean clustered flag | 1 | | 96 | boolean clustered flag, `1` if true | 1 |
| 97 | internal compression enum (0 = Unknown, 1 = None, 2 = Gzip, 3 = Brotli, 4 = Zstd) | 1 | | 97 | internal compression enum (0 = Unknown, 1 = None, 2 = Gzip, 3 = Brotli, 4 = Zstd) | 1 |
| 98 | tile compression enum | 1 | | 98 | tile compression enum | 1 |
| 99 | tile type enum (0 = Unknown/Other, 1 = MVT (PBF Vector Tile), 2 = PNG, 3 = JPEG, 4 = WEBP | 1 | | 99 | tile type enum (0 = Unknown/Other, 1 = MVT (PBF Vector Tile), 2 = PNG, 3 = JPEG, 4 = WEBP | 1 |
| 100 | min zoom | 1 | | 100 | min zoom | 1 |
| 101 | max zoom | 1 | | 101 | max zoom | 1 |
| 102 | min longitude (IEEE 754 float) | 4 | | 102 | min longitude (signed 32-bit integer: longitude * 10,000,000) | 4 |
| 106 | min latitude | 4 | | 106 | min latitude | 4 |
| 110 | max longitude | 4 | | 110 | max longitude | 4 |
| 114 | max latitude | 4 | | 114 | max latitude | 4 |