"esterichia" <est### [at] gmailcom> wrote:
> "Thomas de Groot" <tDOTdegroot@interDOTnlANOTHERDOTnet> wrote:
> > I think commas are missing in the write statement because they are needed to
> > separate the written parameters in the file in order to be read correctly.
> > Check that your input file has commas too between parameters
>
> Thank you, this works. It was my mistake.
>
> > Also you can
> > simplify your define as you do not need the #if statement. Just write:
> >
> > #while (defined(inputfile))
> >   #declare x1 = y1;
> >   #declare x2 = y2;
> >   #declare x3 = y3;
> >   #read (inputfile, y1, y2, y3)
> >   ....
> >   ....
> >   #write (outputfile, x1,", ", x2,", ", x3,",","\n")
> >   ....
> > #end
>
> > > I guess without the pre-read this will cause a parse error, as y1,y2,y3
> > > will be undefined at this point.
> >
> > Aaah... yes, indeed. In this case that is required. But then, why not put
> > the #read as the first line in the #while loop? Then the #if statement could
> > be omitted.
>
> I need two points to draw the cylinder, that is the first time I have to read 2
> points and then only one for each cycle.
Esterichia-

What is the range of data points you are having povray run through? Any idea how
to make it run through a couple thousand points?

-Thanks
--Addison

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