Geographic Computation in Perl

Table of contents

Slide 1 - title

Slide 2 - warning

Slide 3 - Geography is BIG Today

Slide 4 - Geospatial location data

Slide 5 - Earth is not a perfect sphere

Slide 6 - Sources of Geospatial Data

Slide 7 - Lots of angles in Geospatial Data

Slide 8 - Get Math::Trig Module from CPAN

Slide 9 - Great Circle Routes

Slide 10 - Great Circle Computations

Slide 11 - Great Circle Tools and Info

Slide 12 - Geospatial-related Perl Modules

Slide 13 - Examples

Slide 14 - Example 1: CanSat Search at Black Rock Desert

Slide 15 - Perl Script to Plot Search Grid

Slide 16 - Projecting Search Grid Waypoints

Slide 17 - Search Area Grid Map

Slide 18 - Result: Success!!!

Slide 19 - Example 2: Live APRS Balloon Tracking Map

Slide 20 - APRS.FI posted their Perl code

Slide 21 - Custom APRS Mapping Script

Slide 22 - Balloon Chase on Google Maps

Slide 23 - What else can you do?

Presentation: Geographic Computation in Perl

Author: Ian Kluft

Downloads: OpenOffice Impress (1479K), PDF (416K)

Example #1: search-grid-points.pl source code, CanSat search page

Example #2: direxant-aprsis-rec source code, K6RPT-13 balloon page