Hello all,
Regarding Borromean rings, reference:
http://en.wikipedia.org/wiki/Borromean_rings
see:
www.irony-maiden.com/SVG/paradox.htm
works even on BlackBerry Smartphone browser.
Regards,
Arif.
--- On Sun, 18/3/12, David Dailey <ddai...@zoominternet.net> wrote:
From: David Dailey <ddai...@zoominternet.net>
Subject: RE: [svg-developers] Re: more on knots and traffic jams
To: svg-developers@yahoogroups.com
Date: Sunday, 18 March, 2012, 14:54
Far preferable Thomas!
The blinking is a property of the cars rather than the highways and this
means that we could load, in theory, lots of cars into the highway; allowing
the cars to move at different speeds would presumably be much easier this
way as well. Using dasharray on a second copy of the highway makes sense
rather than using multiple pen-up subcommands of the path. Dasharray would
appear to preserve the slope of the discontinuities, perhaps, a bit better.
Cheers
David
From: svg-developers@yahoogroups.com [mailto:svg-developers@yahoogroups.com]
On Behalf Of t...@ymail.com
Sent: Sunday, March 18, 2012 5:56 AM
To: svg-developers@yahoogroups.com
Subject: [svg-developers] Re: more on knots and traffic jams
What about this boring solution:
http://wwwpub.zih.tu-dresden.de/~s9783698/svg/modifiedDaileyRace.svg
Boring as it doesn't use any of this exciting stuff like masking, clipping
or filtering. In all browsers you can see at least some of the joints
between road and bridge overlay. But it has two cars simultaneously passing
over and under a bridge! I think that justifies the primitivity ;-).
Thomas W.
--- In svg-developers@yahoogroups.com
<mailto:svg-developers%40yahoogroups.com> , "David Dailey" <ddailey@...>
wrote:
>
> Just a small footnote: so long as the angles of intersection are all right
> angles, there's no real problem. See the second example at
>
> http://cs.sru.edu/~ddailey/svg/knot2.svg
>
>
>
> cheers
>
> D
>
>
>
> From: svg-developers@yahoogroups.com
<mailto:svg-developers%40yahoogroups.com>
[mailto:svg-developers@yahoogroups.com
<mailto:svg-developers%40yahoogroups.com> ]
> On Behalf Of David Dailey
> Sent: Thursday, March 15, 2012 5:45 PM
> To: svg-developers@yahoogroups.com
<mailto:svg-developers%40yahoogroups.com>
> Subject: [svg-developers] more on knots and traffic jams
>
>
>
>
>
> A while back, some of us had discussions about traffic jams and knots.
>
> I had posted something that was sorta cute, Israel Eisenberg and G. Wade
> Johnson came up with some improvements as I recall.
>
> Well here's another version, borrowing some of each:
>
> http://cs.sru.edu/~ddailey/svg/knot1.svg
>
> The moving vehicle has a mask applied to it that has bridge/tunnels that
> blink from bridge to tunnel.
>
> The problem is the non-rectangular crossing. Is there any way to bevel the
> end of a stroke?
>
> The problem of multiple vehicles having different speeds is still a huge
> one.
>
> I've been thinking that it would be fun to have a construct, sort of like
a
> <diagram> (owing some of its definitional construct to the Venn and Euler
> diagrams - see http://theory.cs.uvic.ca/~cos/venn/VennEJC.html ) . It
would
> allow the identification of simple overs and unders in a collection of
edges
> of four-regular graphs such that bridge/tunnels as well as up and down
path
> segments could automatically be constructed from paths, and accordingly
> motivate traffic flow diagrams, Celtic knots, and Borromean rings. Maybe
> we'll build one.
>
> BTW, try making some of the diagrams in the above survey of Venn diagrams.
> You'll find a good sampling of large realms of 2D content that SVG is
quite
> ill prepared, at present, to handle very well! Along those lines,
> feComposite and feBlend (with feImage inside) are remarkably ill supported
> by extant browsers! Try any colors other than the six primaries in the
> example at http://cs.sru.edu/~ddailey/svg/Vplay1.svg to see bit of what I
> mean.
>
> Cheers
>
> David
>
> [Non-text portions of this message have been removed]
>
>
>
>
>
> [Non-text portions of this message have been removed]
>
[Non-text portions of this message have been removed]
[Non-text portions of this message have been removed]
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