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This script calculates the altitude and azimuth for the sun for any given date, time and location. It can automatically rotate a directional light for you. It can also be used to create animations of the solar transit.

1. Load the script (source script)
2. Launch the interface using the command: toi_sunSim();
3. Select the directional light to be used (optional)
4. Enter location and date and time

You have to manually select if Daylight Saving Time is in effect!

This script assumes a default directional light, resulting in the negative Z-axis pointing northward, but you can use the Orientation section to re-orient (and display a north arrow)

sun_simulator.mel Download - View source

sun, simulation, simulator, sunsim, directional, azimuth, altitude, rotation

• ooJpiued
  2019-05-23 07:26:21
  1
• ooJpiued
  2019-05-23 07:26:12
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• ooJpiued
  2019-05-23 07:26:11
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• ooJpiued
  2019-05-23 06:04:01
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• ooJpiued
  2019-05-23 06:03:47
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• ooJpiued
  2019-05-23 06:03:45
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• GRLpGpAG
  2019-05-11 06:35:42
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• GRLpGpAG
  2019-05-11 06:35:23
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• GRLpGpAG
  2019-05-11 06:35:21
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• GRLpGpAG
  2019-05-11 06:29:07
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• GRLpGpAG
  2019-05-09 08:13:22
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• GRLpGpAG
  2019-05-09 08:13:03
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• GRLpGpAG
  2019-05-09 08:13:02
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• zFPWdwPk
  2019-05-08 08:26:33
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• zFPWdwPk
  2019-05-08 08:26:19
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• zFPWdwPk
  2019-05-08 08:26:17
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• Breda
  2018-10-08 10:30:28
  Hi,
  
  Problem is solved. I've had other errors like "toi_sunSim(); not found" so I've searched and I finally found that the culprit was the Enter or Return keys. I clicked on the blue arrow icon 'run script" in the mel window and it worked fine !
  Thanks again for your work.
• Breda
  2018-10-05 17:52:46
  Hi,
  
  Thanks for your work.
  I get the message "Error: line 728: Cannot find procedure "toi_sunSim_applyToLight"
  although I can see a global procedure in the mel script. Is there a turnaround to help the script in finding it?
  OsX Sierra, Maya2013
  
  Thanks
• Thijs
  2011-01-07 17:21:51
  Version 1.6 fixes a Maya 2011-specific bug in the animation interface of the Sun Simulator.
• Marko
  2009-12-15 16:47:52
  Het is gelukt.
  
  Bedankt Thijs.
  
  Marko