"Jonathan Bush" <djb### [at] gmxcom> wrote:
> String functions for POVray include ways to turn a numerical value into a
> string. But is there a function to do the converse, turn a string of digits into
> an integer?

You want val().

http://www.povray.org/documentation/view/3.6.1/228/

val(S) Convert string S to float. Returns a float value that is represented by
the text in string S. For example val("123.45") is 123.45 as a float.

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