Get input string into a vector object of length 2
Separate lat/lon values into 2 separate numeric objects
Validate latitude grid span value
Validate longitude grid span value
Begin code block for extra validation initial values valid
Validate grid span in y direction for multiple of spacing
Validate grid span in x direction for multiple of spacing
Assign string to ‘grid_span’ object if validity passes
Automatically assign the location of the ‘grids’ folder
Automatically assign the output grid file name
Ask to assign the number of vertical levels
Perform initial validation on ‘grid_number_vertical'
Assign value as string to ‘grid_number_vertical_string'
Ask to assign the height of each vertical level