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Call: RAINBOW

wavelength

Wavelength in nm, parametrised range: 380 nm to 780 m. Outside this range, a colour of (0,0,0) will be returned.

This is an input argument which is not modified.

red

Red fraction, on a scale of 0 to 1.

See http://www.physics.sfasu.edu/astro/color.html for the expressions used.

This argument must be modifiable, i.e. a simple global variable, not a constant or an expression. Any value associated with the variable before the call, will be lost. On return, the variable has type Number.

green

Green fraction, on a scale of 0 to 1.

See http://www.physics.sfasu.edu/astro/color.html for the expressions used.

This argument must be modifiable, i.e. a simple global variable, not a constant or an expression. Any value associated with the variable before the call, will be lost. On return, the variable has type Number.

blue

Blue fraction, on a scale of 0 to 1.

See http://www.physics.sfasu.edu/astro/color.html for the expressions used.

This argument must be modifiable, i.e. a simple global variable, not a constant or an expression. Any value associated with the variable before the call, will be lost. On return, the variable has type Number.

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Formatted on 21/01/18 at 16:55.