> Regarding the SCALE parameter, it seems that decimal arguments are
> interpreted as angstrom units, while integer values are interpreted
> as 0.01Å units. So yes, SCALE 500 == 5Å diameter. DIAMETER also
> displays this dichotomy, with decimal numbers in Å and integer
> numbers in some other scale (approx 1Å:13). WIDTH seems to be
> consistently in Å, at least for ARC commands. Are these differences
> between integers and floats intended, or is that a bug?
It might be keeping the legacy mode (Rasmol-compatible) or specifying
units for e.g. bond thickness. Integer values are read as * 1/250
Angstrom.
e.g. "wireframe 2" and "wireframe 2.0" are not the same.
It's always being that way and you must include a decimal point to
force angstroms. I'm not sure if this applies to drawings, but the
custom is always use decimal values when you mean angstroms, to be
sure.
>
> BTW, these behaviors are still present in 13.0. Thanks for updating,
> Andreas.
>
> Thanks,
>
> -Spencer
>
> On Sat, Feb 23, 2013 at 3:38 AM, Angel Herráez <angel.herr...@uah.es>
> wrote:
> Robert Hanson wrote:
> > draw scale 500 arc ... 5-Angstrom diameter
>
> 500 ==> not 5 angstrom, I'd say ?
>
>
> > * What's the best way to draw a line without an arrow head? Use
> 'draw cylinder'?
> > Yes, I think so.
>
> There is "draw line" (polyline) and "draw curve", which is useful
> e.g. for
> arbitrary curves with several control points
> Examples (here I am using atom numbers, but you can put coordinates
> inside the braces):
>
> draw myLine1 line {@10} {@5} {@9}
> draw myLine2 curve {@10} {@5} {@9}
>
> And you can add options like line thickness or color.
>
> Working at least in 13.0, but also probably in 12.0
>
>
>
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