- android.permission.WRITE_EXTERNAL_STORAGE
- android.permission.READ_EXTERNAL_STORAGE
Invalid date
- x/z-, y/z-, x/y (spot)- view
- Insert a ray or pencil of rays (single wavelength or multicolor)
- Insert a surface: aperture, refraction, fresnel, reflection
- Image plane: max value of the image (+), min value of the image (-), size (deltaY/deltaX)
- Instrument bar: z-value of surface, focal length, material or fix refractive index
- Modify optical system in the fly
- Long click on a buttons to modify settings
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