#1,147 – Converting from Polar Coordinates to Cartesian Coordinates

You can represent a two dimensional point as either a cartesian coordinate (X,Y) or a polar coordinate (r,theta).  Conversions between these two coordinate systems are shown below.

From polar coordinates to cartesian:

1147-001

To convert from cartesian coordinates to polar, the following formula works, as long as the X value is positive.

1147-002

If X is 0 or negative, then the calculation for theta becomes:

1147-003

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About Sean
Software developer in the Twin Cities area, passionate about software development and sailing.

2 Responses to #1,147 – Converting from Polar Coordinates to Cartesian Coordinates

  1. Pingback: Dew Drop – August 29, 2014 (#1845) | Morning Dew

  2. Pingback: Dew Drop – September 2, 2014 (#1846) | Morning Dew

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