grid_plot: Plot a grid from a properly formatted data frame.
In robjohnnoble/demonanalysis: Analysis and plotting of demon data

Description Usage Arguments Value Examples

Plot a grid from a properly formatted data frame.

1 2	grid_plot(image_df, palette = NA, discrete = FALSE, add_legend = FALSE, legend_title = "")

`image_df`	data frame formatted by image_df_from_grid_file
`palette`	colour palette (default NA)
`discrete`	whether to use a discrete or continuous colour scale (default FALSE)
`add_legend`	whether to add a legend (default FALSE)
`legend_title`	text for legend title (default none)

a plot object

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image_df <- image_df_from_grid_file(system.file("extdata", 
"output_passengersgrid.dat", package = "demonanalysis", mustWork = TRUE))
grid_plot(image_df)