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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

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<title>MEP15 - Fix axis autoscaling when limits are specified for one axis only — Matplotlib 2.0.2.post4416.dev0+g1df513f documentation</title>

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<li><a class="reference internal" href="#">MEP15 - Fix axis autoscaling when limits are specified for one axis only</a><ul>

<li><a class="reference internal" href="#status">Status</a></li>

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<li><a class="reference internal" href="#abstract">Abstract</a></li>

<li><a class="reference internal" href="#detailed-description">Detailed description</a></li>

<li><a class="reference internal" href="#implementation">Implementation</a></li>

<li><a class="reference internal" href="#backward-compatibility">Backward compatibility</a></li>

<li><a class="reference internal" href="#alternatives">Alternatives</a></li>

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<h1>MEP15 - Fix axis autoscaling when limits are specified for one axis only<a class="headerlink" href="#mep15-fix-axis-autoscaling-when-limits-are-specified-for-one-axis-only" title="Permalink to this headline">¶</a></h1>

<li><a class="reference internal" href="#status" id="id1">Status</a></li>

<li><a class="reference internal" href="#branches-and-pull-requests" id="id2">Branches and Pull requests</a></li>

<li><a class="reference internal" href="#abstract" id="id3">Abstract</a></li>

<li><a class="reference internal" href="#detailed-description" id="id4">Detailed description</a></li>

<li><a class="reference internal" href="#implementation" id="id5">Implementation</a></li>

<li><a class="reference internal" href="#backward-compatibility" id="id6">Backward compatibility</a></li>

<li><a class="reference internal" href="#alternatives" id="id7">Alternatives</a></li>

</ul>

</div>

<h2><a class="toc-backref" href="#id1">Status</a><a class="headerlink" href="#status" title="Permalink to this headline">¶</a></h2>

<p><strong>Discussion</strong></p>

</div>

<h2><a class="toc-backref" href="#id2">Branches and Pull requests</a><a class="headerlink" href="#branches-and-pull-requests" title="Permalink to this headline">¶</a></h2>

</div>

<h2><a class="toc-backref" href="#id3">Abstract</a><a class="headerlink" href="#abstract" title="Permalink to this headline">¶</a></h2>

<p>When one axis of a 2-dimensional plot if overridden via <code class="xref py py-obj docutils literal"><span class="pre">xlim</span></code> or <code class="xref py py-obj docutils literal"><span class="pre">ylim</span></code>,

automatic scaling of the remaining axis should be based on the data that falls

within the specified limits of the first axis.</p>

</div>

<h2><a class="toc-backref" href="#id4">Detailed description</a><a class="headerlink" href="#detailed-description" title="Permalink to this headline">¶</a></h2>

<p>When axis limits for a 2-D plot are specified for one axis only (via <code class="xref py py-obj docutils literal"><span class="pre">xlim</span></code> or

<code class="xref py py-obj docutils literal"><span class="pre">ylim</span></code>), matplotlib currently does not currently rescale the other axis. The

result is that the displayed curves or symbols may be compressed into a tiny

portion of the available area, so that the final plot conveys much less

information than it would with appropriate axis scaling.</p>

<p>The proposed change of behavior would make matplotlib choose the scale for the

remaining axis using only the data that falls within the limits for the axis

where limits were specified.</p>

</div>

<h2><a class="toc-backref" href="#id5">Implementation</a><a class="headerlink" href="#implementation" title="Permalink to this headline">¶</a></h2>

<p>I don’t know enough about the internals of matplotlib to be able to suggest an

implementation.</p>

</div>

<h2><a class="toc-backref" href="#id6">Backward compatibility</a><a class="headerlink" href="#backward-compatibility" title="Permalink to this headline">¶</a></h2>

<p>From the standpoint of software interfaces, there would be no break in

backward compatibility. Some outputs would be different, but if the user

truly desires the previous behavior, he/she can achieve this by overriding

the axis scaling for both axes.</p>

</div>

<h2><a class="toc-backref" href="#id7">Alternatives</a><a class="headerlink" href="#alternatives" title="Permalink to this headline">¶</a></h2>

<p>The only alternative that I can see is to maintain the status quo.</p>

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