DAYSIM File Type: Daylight coefficient file

Daylight coefficient files contain a complete set of daylight coefficients for the sensors specified in the sensor file. The number of lines corresponds to the number of sensors. Within a line the format is as follows:

Classical DAYSIM format

  • column 1-145: 145 diffuse daylight coefficients according to Tregenza division of the celestial hemisphere.
  • column 146-148: 3 ground daylight coefficients
  • column 149- 213: 65 direct daylight coefficients; this number may vary depending on the latitude of the investigated building (ClassicDaylightCoefficientFileFormatInDaysim.pdf)

DDS format

  • column 1-145: 145 diffuse daylight coefficients according to Tregenza division of the celestial hemisphere.
  • column 146: 1 ground daylight coefficient
  • column 147- 292: 145 direct-indirect daylight coefficients
  • column 293 - 2597: 2305 direct-direct daylight coefficients


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