.knit_plot {volker} | R Documentation |
Knit volker plots
Description
Automatically calculates the plot height from chunk options and volker options.
Usage
.knit_plot(pl)
Arguments
pl |
A ggplot object with vlkr_options. The vlk_options are added by .to_vlkr_plot() and provide information about the number of vertical items (rows) and the maximum. |
Details
Presumptions:
a screen resolution of 72dpi
a default plot width of 7 inches = 504px
a default page width of 700px (vignette) or 910px (report)
an optimal bar height of 40px for 910px wide plots. i.e. a ratio of 0.04
an offset of one bar above and one bar below
Value
Character string containing a html image tag, including the base64 encoded image.
[Package volker version 2.1.0 Index]