Feature class |
Uncompressed size |
Compressed size |
Compression ratio |
Europe places (61,541 point features, 14 fields) |
6.2 MB |
1.3 MB |
4.8 |
Germany streets (7,118,614 line features, 83 fields) |
2.3 GB |
511 MB |
4.5 |
U.S. census blocks (8,205,055 point features, 11 fields) |
705 MB |
162 MB |
4.4 |
California roads (2,092,079 line features, 29 fields) |
329 MB |
83 MB |
3.9 |
Europe rails (383,531 line features, 12 fields) |
58 MB |
17 MB |
3.4 |
Calgary addresses (285,285 point features, 8 fields |
21 MB |
7.4 MB |
2.8 |
Calgary buildings (319,000 polygon features, 9 fields) |
48 MB |
20 MB |
2.4 |
U.S. rivers and streams (2,844,231 line features, 9 fields) |
878 MB |
442 MB |
2.0 |
U.S. counties (3,140 polygon features, 57 fields) |
1.6 MB |
1.0 MB |
1.6 |
Europe water (232,375 polygon features, 10 fields) |
176 MB |
125 MB |
1.4 |
U.S. traffic analysis zones (166,747 polygon features, 10 fields) |
68 MB |
46 MB |
1.4 |
Mexico roads (5,847 line features, 7 fields) |
3.5 MB |
2.7 MB |
1.3 |