Message: 4
Date: Sat, 31 Jan 2009 22:23:56 +0100
From: Graham Samuel <[email protected]>
Subject: Drawing a curved shape - 2nd attempt
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
Dear list
I sent this mail a few days ago, and unless I missed it, (always
possible if you get the digest, as do) I got no replies at all. This
is the first time this has happened to me, so I thought it might be
worth a second try to see if I get anyone's attention.
TIA
Graham
It seems funny that after all these years I've never tried this, but I
realise I don't know how to draw a curved shape by script. I see from
the Rev documentation that the style of a graphic can be 'curve' and
that the shape of the graphic can be defined by its points, but that
doesn't tell me how to produce a smooth curve which will still look
curved at any degree of enlargement or resolution.
Graham,
Until Run Rev comes up with a true bezier graphic you may find that a
simulation is adequate for your purposes.
Go to: http://home.infostations.net/jhurley/
There you will find the following discussion of a bezier plug-in.
"Bezier Line (New and improved) This is a plug-in allowing you to
paste a bezier line onto any card of any stack. It is the normal
bezier curve you are probably familiar with, line and tangent
controls. The line controls may be either corner points or continuous
tangent points. The control points are made invisible by double
clicking on the bezier line. (This gives you a single line with any
shape compatible with the cubic parametric expansion of curve's
function.) Double clicking again brings the control points back. It
is self-contained. All handlers are in the control points and the
bezier line itself. I have added the ability to remove all the bezier
control and their scipts, thus reducing the overhead. It might reduce
the size of your stack by 100 K or more. (In the compact version, you
will have a choice of saving the bezier curve as an open line graphic
or a closed polygon graphic.) A more compact version (40 K verser 180
K) of this plug in also available."
Jim Hurley
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