esterichia schrieb:
> 
> I tried with the following code and an input file with a sequence of floats.
> The problem is that some data in the input file are not read (I checked with the
> #write): sometimes every second float is read, sometimes there is no regular
> pattern. Moreover, sometimes the minus sign is not read.
> (I got a similar error with vectors of floats)
...
> //    #write (outputfile, x1, " ", x2, " ", x3, "\n")

See section 3.2.2.3.4 "The #write Directive" of the POV-Ray inbuilt help:

"Note: data read by the #read directive must have comma delimiters 
between values and quotes around string data but the #write directive 
does not automatically output commas or quotes."

It appears that in the absence of a separating comma, POV-Ray will 
instead "eat" the next number entirely if it is positive, OR its minus 
sign if it is negative.

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