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1. Create a loop over the number of fields, and setting the parameter grib_field_position to the position of the field in your fieldset ( starting from 1) 

   Code Block
   language py title Python Example: Loop over over the fields in a grib fieldset collapse true
   from Magics.macro import * #Setting output output = output( output_formats = ['ps'], output_name = 'precip', output_name_first_page_number = 'off') #Setting the coastlines background = mcoast( map_coastline_land_shade = 'on', map_coastline_land_shade_colour = 'cream') #Defining the contour contour = mcont( ) #actions will contains the list of actions to pass to Magics actions = [] # n is the number of filds in the fieldset for i in range(1, n) : #Setting data grib = mgrib(grib_field_position = i, grib_input_file_name = "path/data.grib") actions.append(background) actions.append(grib) actions.append(contour) # Add an page() action to create a new page actions.append(page()) #Plotting plot(output, actions)

   
   

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