2

Google Maps API v2 had great methods for lines and polygons to calculate length and area.

v3 is lacking these methods (maybe just for now?).

What other options do I have for calculating line length and polygon area?

2

Will Cadell (@geo_will) provided an answer for me on Twitter! Check out the GPL extendedApi for Google Maps v3 package.

0
2

Daft Logic just updated to v3

http://www.daftlogic.com/projects-google-maps-distance-calculator.htm

old v2 version http://www.daftlogic.com/projects-google-maps-area-calculator-tool.htm

But for both line and area using v3 Google Maps API here:

http://demos.geojason.info/line-length-polygon-area-google-maps-v3-demo.php

0

Here is a Measure Tool library for Google Maps JavaScript API v3.

https://leafyjava.com/projects/measuretool

Really easy to use.

Here is a live demo.

-1

Here is an Android app with many different measure features (area, distance, and angles measurements on Google Maps with different units): Planimeter - GPS area measure

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