Obtain the system time, for appending to filenames
Begin loop to generate dispersion images at every interval
Create a data frame that is a subset by fractional hour
Generate a ggplot object from the subset data frame
Save the image to disk
Convert PDF file to a JPEG file using ImageMagick
Remove the PDF file from disk and close the loop
Construct a string with glob to pass into the ffmpeg call
Render and write the MP4 movie using ffmpeg
Add to .gitignore
Add a Roxygen help file title
Add an Roxygen @description entry
Add all @param entries for 'hysplit.dispersion.animation'
Add Roxygen @export entry for function
Add a Roxygen example for 'hysplit.dispersion.animation'
Change default frame rate for generated MP4
Modify some arguments to 'hysplit.dispersion.animation'
Change object name (folder_name -> df_folder_path)
Change @param entry for modified argument name
Change name of argument to be more descriptive