Eleven Large Digital Maps
All maps images on this CD-ROM are TIFF format, RGB 24 bit
color, and 72 dpi resolution, and readable by Mac or Win computers
(price: $35).
Resolution is expressed as the size of a pixel in terrain coverage.
The maps in this collection have been computed from the USGS 3 and 30
second elevation databases and from NOAA's 5 minute elevation database
ETOPO-5.
Map Coverage |
Pixel Size |
Resolution |
File Size |
World Map |
3513 x 1757 |
10,000 meters |
21 Mb |
USA Map |
4591 x 2496 |
1,000 meters |
35 Mb |
Map Coverage |
Pixel Size |
Resolution |
File Size |
USA - Appalachian Fold |
4841 x 4745 |
200 meters |
74 Mb |
USA - San Andreas fault |
2880 x 3600 |
200 meters |
30 Mb |
Map Coverage |
Pixel Size |
Resolution |
File Size |
USA - New England (Perspective) |
5023 x 1927 |
100 meters |
32 Mb |
USA - Cascades (Perspective) |
4765 x 1807 |
125 meters |
30 Mb |
Map Coverage |
Pixel Size |
Resolution |
File Size |
USA - Rockies |
2983 x 3589 |
200 meters |
36 Mb |
USA - Hawaii |
3525 x 2369 |
200 meters |
27 Mb |
Map Coverage |
Pixel Size |
Resolution |
File Size |
Globe - Centered on USA |
1476 x 1476 |
8,000 meters |
6 Mb |
Globe - Centered on Greece |
1476 x 1476 |
8,000 meters |
6 Mb |
Globe - Centered on Japan |
1476 x 1476 |
8,000 meters |
6 Mb |
Digital Maps ©Copyright 1996 Chalk Butte Inc.
Any comments or problems with this
site? Please
let us know
- thank you!
© Digital Wisdom, Inc.