#4529: Implement plots with logarithmic scale
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Reporter: ronanpaixao | Owner: ronanpaixao
Type: enhancement | Status: new
Priority: major | Milestone: sage-5.0
Component: graphics | Resolution:
Keywords: plot log scale | Work_issues:
Upstream: N/A | Reviewer:
Author: | Merged:
Dependencies: |
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Comment(by ppurka):
[attachment:logplots.py] has a new class `LogGraphics` that I implemented
and have been using for the past few months. Integrating it with Graphics
seemed quite a painful process, so I had to go this direction and make my
own class. Currently, it handles many ''but not all'' of the arguments
that the `Graphics` class supports. In addition it uses `matplotlib.plt`
to do the log plot; otherwise I ran into all sorts of problems with
matplotlib (like the ones mentioned in earlier comments).
In engineering, we often need logarithmic plots and the logarithmic plots
sometimes is of the form that the x-axis ''decreases'' as we go towards
the right (for example if we plot decreasing probabilities on the x-axis).
This `LogGraphics` takes this into account and makes sure that if a list
of x-axis points with decreasing values along the higher indices of the
list, then it plots the graph with a decreasing x-axis.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4529#comment:12>
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