analemma_test

analemma_test, a bash code which calls analemma(), which evaluates the equation of time, a formula for the difference between the uniform 24 hour day and the actual position of the sun, creating data that can be plotted by gnuplot, based on a C program by Brian Tung.

Licensing:

The computer code and data files described and made available on this web page are distributed under the MIT license

Related Data and Programs:

analemma, a FORTRAN90 code which evaluates the equation of time, a formula for the difference between the uniform 24 hour day and the actual position of the sun, creating data that can be plotted by gnuplot, based on a C program by Brian Tung.

Source Code:

• analemma_test.sh runs all the tests.
• analemma_input.txt the input file.
• analemma_test.txt the output file.

• analemma_data.txt the data file for gnuplot().
• analemma_commands.txt, the command file for gnuplot().
• analemma.png, the PNG file of the analemma.
• declination.png, the PNG file of the declination.
• eot.png, the PNG file of the equation of time.