#13246: Automatic exclusion of non-domain points in things like arcsec
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Reporter: kcrisman | Owner: jason, was
Type: defect | Status: new
Priority: major | Milestone: sage-5.3
Component: graphics | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by ddrake):
Here's an idea I thought of that would help avoid these ugly situations.
The problem is that we build our plot out of lots of tiny line segments,
and we have a line segment connecting things that it should not connect.
So:
Let `w = xmax - xmin`. After building the list of `(x,y)` points for the
plot, go through the `x`s. If the difference between any two consecutive
`x` values is "too big", don't connect them.
Since going through the list would be expensive and rarely needed, we
would only do this with a keyword, say `detect_gaps`. If set to `True`, it
would default to ignoring gaps of, say, `0.01*w`. Otherwise, the user
could specify a proportion: `detect_gaps=0.05` or whatever. This procedure
would only run if `detect_gaps` was `True` or a number between 0 and 1.
Does that seem reasonable? That would fix the original problem at the cost
of a little speed.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13246#comment:4>
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