[r-t] Blue line (/grid) generators / Jump Changes

Don Morrison dfm at ringing.org
Mon May 18 03:34:52 UTC 2015

On Mon, Mar 23, 2015 at 6:46 AM, Alexander Holroyd <holroyd at math.ubc.ca> wrote:
>> So, what *would* a blueline (or grid-like thingie) look like for
>> methods with jump changes?
> Like this?
> http://www.math.ubc.ca/~holroyd/js.pdf
> http://www.math.ubc.ca/~holroyd/js5.pdf

That works for Jump Stedman, but would it work for the treble path in
Mersey Ferry, where the treble jumps from 1 to 3 to 5; and from 6 to 4
to 2? There'd be lines from 2 to 1 and from 5 to 6, but what about 3
and 4? Dots?

Don Morrison <dfm at ringing.org>
"As long as politics is the shadow cast on society by big business,
the attenuation of the shadow will not change the substance."
        -- John Dewey, quoted by Robert Westbrook,
            _John Dewey and American Democracy_

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