Generating a Flux Variation File (*.json) using a script

The following procedure helps you use a script that Speos provides you to generate a flux variation *.json file that will be used to define a flickering Surface source.

The Iron python script is dedicated to give you a start to generate a *.json file. You can obviously modify the script at will to generate more complex flux variation *.json files.

To generate the flux variation file:

Prerequisites:

Download the speos_IronPython_LED_Pulse.zip.

You must open th script in the Speos environment.

  1. Open Speos.
  2. Click File > Open and select the IronPython_LED_Pulse.py.
    Note: If the python file does not appear, select All Files (*.*) in the extensions list.
    The python script appears in the Script Editor.

  3. In the Script Editor ribbon, click Run Script .
    The script pauses at line 14. In the Options - Selection panel, you can see that five inputs appeared. These inputs have been generated out of the script from the lines 8 to 12. The rest of the script is dedicated to
    • the generation of the data according to the inputs that you will define
    • the writing and the saving of the data in the *.json file to be created


  4. In the Options - Selection panel, define values to input:

    • Time Duration (s) corresponds to total duration of the modulation sequence (X periods)

      Time Duration is useful particularly when you want to define periods that are different. This will need you to modify the script if you want to consider variable periods.

    • Frequence (Hz) corresponds to the periods according to the Time Duration.
    • Modulation Index is a ratio corresponds to the maximum value of the signal.
    • Output Path corresponds to the filepath in which you will generate the *.json
    • File Name
  5. In the 3D view, click Validate .
The *.json file has been generated in the specified location according to the inputs you defined.