It's what the document says for the arrow tip, so it may be strange, but it
is not a bug.


On Sun, Feb 24, 2013 at 5:52 PM, Spencer Bliven <sbli...@ucsd.edu> wrote:

> Robert, thanks for the tip about  set defaultDrawArrowScale (decimal).
> That was exactly what I was looking for, although it would be nice to set
> different scales based for different objects (or perhaps scale it based on
> the width of the line).
>
> 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?
>
> 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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>
>
>
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-- 
Robert M. Hanson
Larson-Anderson Professor of Chemistry
Chair, Chemistry Department
St. Olaf College
Northfield, MN
http://www.stolaf.edu/people/hansonr


If nature does not answer first what we want,
it is better to take what answer we get.

-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
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