On 18 Jul 2004, at 06:54, [EMAIL PROTECTED] wrote:
Message: 19 Date: Sun, 18 Jul 2004 02:10:06 +0100 From: Alex Tweedly <[EMAIL PROTECTED]> Subject: Re: weird behavior To: How to use Revolution <[EMAIL PROTECTED]> Message-ID: <[EMAIL PROTECTED]> Content-Type: text/plain; charset="us-ascii"
snip
I saw something like this when I was trying my "speedy graphics" examples,
but thought it was just something I had done wrong. Or rather, was still
doing wrong - I kept seeing odd behaviour that I don't understand, and was
kind of stuck in trying to complete the project.
So I'm really glad you sent this email :-)
Looking into it some more, with this hint in mind, I think I have a clearer
picture.
I think you have a malformed polygon. From the Transcipt dictionary (points
entry):
A blank line in the points indicates that the previous and next vertexes
are not connected by a line--that is, the line, curve, or polygon is
broken into two (or more) pieces. If the last line of the points of a
polygon is blank, the polygon is not closed. A closed polygon's start
point (the first line of its points property) is the same as its end point
(the last line of its points property).
NB: An open polygon has a blank last line A closed polygon has the last line == first.
Your example, like many of mine, had neither of those conditions true. So I
guess it is, strictly speaking, malformed - and hence the behaviour could
be undefined.
I've been unable to see any failure with any example where I had a properly
formed polygon according to specification.
I still think it can be considered a bug - but at least it can be avoided /
worked around.
-- Alex.
We have to reconsider the term <malformed polygon>. May be <malused polygon opacity property> is better in this case.
The default setting of the opaque property of the templategraphic is true.
If not altered all new polygons are of the "closed" type.
Setting the opaque property to false for using "open" polygons and to true for "closed" polygons,
do you still consider this as a bug or a work around?
Greetings, WA
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