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Python for Secret Agents
book

Python for Secret Agents

by Steven F. Lott
August 2014
Beginner to intermediate content levelBeginner to intermediate
216 pages
5h 13m
English
Packt Publishing
Content preview from Python for Secret Agents

Creating natural area codes

The Natural Area Code (NAC) is yet another way to encode geographic position information into a short character string. The whole NAC system can include altitude information along with the surface position. We'll focus on the latitude and longitude conversions for NAC.

See http://www.nacgeo.com/nacsite/documents/nac.asp, for more information

This uses base 30 instead of base 240; we can use most of the alphabets plus some digits to represent a single base 30 digit. This implementation will show a different approach to convert floating-point numbers to an integer approximation. This will combine multiple calculation steps into longer expressions.

NAC uses a 30-character encoding that employs digits and consonants. The string ...

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Publisher Resources

ISBN: 9781783980420Supplemental Content