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<h1>Arithmetic for neuron coordinates</h1>
<small class="dont-index">Source: <a href="https://github.com/natverse/nat/blob/HEAD/R/neuron.R" class="external-link"><code>R/neuron.R</code></a></small>
<div class="hidden name"><code>neuron-arithmetic.Rd</code></div>
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<div class="ref-description">
<p>If x is a 1-vector or a 3-vector, operate on xyz only
If x is a 4-vector, apply operation to xyz and diameter</p>
</div>
<div id="ref-usage">
<div class="sourceCode"><pre class="sourceCode r"><code><span class="co"># S3 method for neuron</span>
<span class="fu"><a href="https://rdrr.io/r/base/groupGeneric.html" class="external-link">Ops</a></span><span class="op">(</span><span class="va">e1</span>, e2 <span class="op">=</span> <span class="cn">NULL</span><span class="op">)</span></code></pre></div>
</div>
<div id="arguments">
<h2>Arguments</h2>
<dl><dt>e1</dt>
<dd><p>a neuron</p></dd>
<dt>e2</dt>
<dd><p>(a numeric vector to multiply neuron coords in neuron)</p></dd>
</dl></div>
<div id="value">
<h2>Value</h2>
<p>modified neuron</p>
</div>
<div id="see-also">
<h2>See also</h2>
<div class="dont-index"><p>neuron</p></div>
</div>
<div id="ref-examples">
<h2>Examples</h2>
<div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span class="va">n1</span><span class="op"><-</span><span class="va">Cell07PNs</span><span class="op">[[</span><span class="fl">1</span><span class="op">]</span><span class="op">]</span><span class="op">*</span><span class="fl">2</span></span>
<span class="r-in"><span class="va">n2</span><span class="op"><-</span><span class="va">Cell07PNs</span><span class="op">[[</span><span class="fl">1</span><span class="op">]</span><span class="op">]</span><span class="op">*</span><span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fl">2</span>,<span class="fl">2</span>,<span class="fl">2</span>,<span class="fl">1</span><span class="op">)</span></span>
<span class="r-in"><span class="fu"><a href="https://rdrr.io/r/base/stopifnot.html" class="external-link">stopifnot</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/all.equal.html" class="external-link">all.equal</a></span><span class="op">(</span><span class="va">n1</span>,<span class="va">n2</span><span class="op">)</span><span class="op">)</span></span>
<span class="r-in"><span class="va">n3</span><span class="op"><-</span><span class="va">Cell07PNs</span><span class="op">[[</span><span class="fl">1</span><span class="op">]</span><span class="op">]</span><span class="op">*</span><span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fl">2</span>,<span class="fl">2</span>,<span class="fl">4</span><span class="op">)</span></span>
</code></pre></div>
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