.addLegend

Internal function. Add a legend to a plot created by either <code>ChemoSpec</code> or <code>ChemoSpec2D</code>.
<code>ChemoSpec2D</code> does not use symbols.

internal

Functions supporting the common needs of packages 'ChemoSpec' and 'ChemoSpec2D'.

Bryan Hanson

ChemoSpecUtils

Functions Supporting Packages ChemoSpec and ChemoSpec2D

Bryan A. Hanson

Tejasvi Gupta

.addLegend function

<dl><dt>spectra</dt>
<dd>An object of S3 class <code>ChemoSpec::Spectra()</code> or <code>ChemoSpec2D::Spectra2D()</code>.</dd>
<dt>leg.loc</dt>
<dd>Either a list with elements <code>x</code> and <code>y</code>, or a string like <code>'topright'</code>. Values in a list should be on <code>[0,1]</code>, i.e. the lower left of the plot area is <code>0,0</code> and the upper right is <code>1,1</code>. Allowed string values are those described in <code><a href="/link/graphics%3A%3Alegend()?package=ChemoSpecUtils&version=1.0.5" data-mini-rdoc="ChemoSpecUtils::graphics::legend()">graphics::legend()</a></code> under 'Details'. A value of <code>'none'</code> is acceptable as well.</dd>
<dt>use.sym</dt>
<dd>Logical; if true, the color scheme is set to black and the
points plotted with symbols. Applies only to <code>ChemoSpec</code>.</dd>
<dt>...</dt>
<dd>Parameters to be passed to the plotting routines. Applies to base graphics only.</dd></dl>

Arguments

Bryan A. Hanson (DePauw University).

Author

Add a Legend to a Plot — .addLegend

<dl>

<dt>spectra</dt>
<dd>An object of S3 class <code>ChemoSpec::Spectra()</code> or <code>ChemoSpec2D::Spectra2D()</code>.</dd>


<dt>leg.loc</dt>
<dd>Either a list with elements <code>x</code> and <code>y</code>, or a string like <code>'topright'</code>. Values in a list should be on <code>[0,1]</code>, i.e. the lower left of the plot area is <code>0,0</code> and the upper right is <code>1,1</code>. Allowed string values are those described in <code><a href='https://rdrr.io/r/graphics/legend.html'>graphics::legend()</a></code> under 'Details'. A value of <code>'none'</code> is acceptable as well.</dd>


<dt>use.sym</dt>
<dd>Logical; if true, the color scheme is set to black and the
points plotted with symbols. Applies only to <code>ChemoSpec</code>.</dd>


<dt>...</dt>
<dd>Parameters to be passed to the plotting routines. Applies to base graphics only.</dd>

</dl>

.addLegend: Add a Legend to a Plot

Description

Usage

Value

Arguments

Author