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Class: Sun


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      Classes of Nesa Simon David  >  Sun  >  Download  >  Support forum Support forum  >  RSS 1.0 feed RSS 2.0 feed Latest changes  >  Stumble It! Stumble It!  >  Bookmark in del.icio.us Bookmark in del.icio.us  
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  • Supplied by:

    Picture of Nesa Simon David
    Name: Nesa Simon David <e-mail contact>
    Published packages: 1
    Country: United Arab Emirates United Arab Emirates - PHP jobs in United Arab Emirates
    Home page: ???
    Age: 31
    All time rank: 705
    Week rank: 984

    Browse this author's classes

  • Innovation Award:

    PHP Programming Innovation award nominee
    July 2004
    Number 6
    		 Knowing the sunrise and sunset time maybe important information for applications that depend on whether it is day or night.

    The sunset or sunrise time information may useful for something like giving the appropriate salute to an user given the current time of the day, or other more complex situations that depend on knowing whether it is day or night where an user lives.

    The calculation of the sunrise and sunset is not trivial. It depends on the geographic coordinates of the place in the world being considered, the day of the year and the position criteria that determines exactly when it is considered to start the sunrise or sunset.

    This class provides a solution that simplifies that problem by making the correct calculations considered all the important factors.

    Manuel Lemos

  • Groups:

    Group folder image Algorithms Numerical and statistical algorithms View top rated classes
    Group folder image Geography Locations, mapping and demographics View top rated classes
    Group folder image Physics Physics related classes View top rated classes

  • Detailed description:

    This class contains methods for calculating the sunrise and sunset for any day, for any zenith (angle at which the sun is said to rise or set) and any place in the world given its latitude and longitude coordinates.

    Please note that the algorithm used for the calculations are not mine. The algorithm was taken from http://williams.best.vwh.net/sunrise_sunset_algorithm.htm (without permission). There are many algorithms for calculating sunrise/sunset, but this was the simplest and explained in an easy to understand manner.

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    All time:
    Good (94.4%)
    Good (91.7%)
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    Sufficient (72.5%)
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  • Applications that use this class:

    No application links were specified for this class.
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  • Files:

    File Role Description
    Plain text file email1.txt Doc. an email correspondence, which may help to understand the sun class better.. :)
    Plain text file math.php Aux. contains math functions to calculate sin/cos/tan etc of angles given in degrees
    Accessible without login Plain text file sun.php Class sun class definition
    HTML file sun_calendar.html Output sample output of sun_calendar.php
    Plain text file sun_calendar.php Example displays sunrise/sunset times of all days in a month
    Download all files: sun_rise_set.tar.gz sun_rise_set.zip
    NOTICE: if you are using a download manager program like 'GetRight', please Login before trying to download this archive.

 
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