0. Working Directory

For this tutorial, I am working on these folder /Users/bennyistanto/Temp/xxx/SPI/Java (applied to Mac/Linux machine) or Z:/Temp/xxx/SPI/Java (applied to Windows machine) directory. I have some folder inside this directory:

1. Downloads

   1. IMERG

      1. IMERG_mmhr
      2. IMERG_mmmonth
      3. IMERG_originalfiles

   2. CHIRPS

      1. netCDF
      2. GeoTIFF

   Place to put downloaded IMERG or CHIRPS data

2. Fitting

   Place to put fitting parameters output from the calculation

3. Input_nc

   Place to put netCDF data that will use as an input

4. Input_TIF

   Place to put GeoTIFF file that will use to convert to single netCDF with time dimension enabled

5. Output_nc

   Output folder for SPI calculation

6. Output_TEMP

   Temporary for nc files from CDO arrange dimension process

7. Output_TIF

   Final output of SPI, generate by CDO and GDAL

8. Script

   Python script location to convert bunch of GeoTIFF file to single netCDF

9. Subset

   Place to put shapefile for clipping area of interest

Feel free to use your own preferences for this setting/folder arrangements.

Notes:

xxx = IMERG or CHIRPS (depend on the data used in tutorial)