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4

If you check the MODIS Vegetation Index User’s Guide (page 9) or the MODIS MOD13Q1 product page you will see MODIS uses a scaling factor of 0.0001 and has a valid range from -2000 to 10000. In order to get values between -1 and 1, you have to multiply the values by the scaling factor.


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First, your file sizes are as expected. When you go from 1000m per pixel, to 30m per pixel, you get 1111-times increase in size, which is close to what you see from 2 MB to 3.4 GB, once you also consider compression etc. The calculation is: (1000 m/ 30m)^2 = 1111.1 It is squared due to the raster being a 2d array. The whole point of STARFM, or ESTARTFM (a ...


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If you have gdal, you can try gdal_translate -outsize 3333.33% 3333.33% -r bilinear input.tif output.tif


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In the shell: cd /path/to/script/directory vi script_file_name In vi: :%s/XXXX/your_password/ :%s/XXX/your_login_name/ :wq In the shell: ./script_file_name


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