GRIB API: Library and Tools – Training Course 2015

Tuesday 24 February

09:00 Welcome

• Lecturers
• Students
  

09:15 GRIB API Introduction

• GRIB editions 1 and 2: structure and differences
  
• GRIB API design and concepts

10:30 Coffee

11:00 GRIB API: Tools

• Introduction to the grib_api command-line tools
• Obtaining information about the grib_api installation with grib_info
• Inspecting the content of GRIB files with grib_count,  grib_ls and grib_dump

12:15 GRIB API: Keys

• Coded and computed keys
• The namespace
• Examples of keys

13:00 Lunch

14:00 GRIB API: Tools

• Comparing the content of GRIB messages with grib_compare
• Printing data values with grib_get_data
• Using grib_get

15:30 Coffee

16:00 GRIB API: Tools

• Copying GRIB messages with grib_copy
• Making simple modifications to the GRIB header information with grib_set

16:55 Questionnaire/Feedback

17:00 Cocktails

Wednesday 25 February

09:00 GRIB API: Fortran, C, Python APIs

• Overview of the API
• Using the API functions for decoding with Fortran, C and Python
• Practicals
  

10:30 Coffee

11:00 GRIB API: Fortran, C, Python APIs - continued

• Practicals  

13:00 Lunch

14:00 GRIB API: Advanced tools

• Basic features of grib_filter
• Conversion from GRIB to NetCDF with grib_to_netcdf

15:30 Coffee

16:00 GRIB API: General practicals

16:55 Questionnaire/Feedback

17:00 End

Thursday 26 February

1. GRIB API: Fortran, C, python APIs - Part 2
   • Use of the indexing routines
   • Encoding GRIB messages and using GRIB samples
     
   • Practicals  
2. GRIB API: Python interface
   • A short introduction to Python and its use at ECMWF
   •   The Python interface to grib_api for decoding, encoding and indexed access to GRIB messages
     
3. GRIB API: Advanced topics I
   
   • Simple packing
   • Constant fields
   • Bitmap fields
   • Multi fields

Friday 27 February

1. GRIB API: Advanced topics II
   • Parameter database
   • Conversion from GRIB 1 to GRIB 2
   • Local adaptation - how to define your own local parameters