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How can I get data from nasa via ftp?

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jiang wenjie
jiang wenjie on 7 Jun 2016
Commented: Yogita Karale on 13 Oct 2017
Hello everyone
I want use matlab get modis data from <ftp://ladsweb.nascom.nasa.gov/allData/6/MYD021KM/>. But when I use
f = ftp('ftp://ladsweb.nascom.nasa.gov/allData/6/MYD021KM/')
Matlab has error. such as
Error using connect (line 18)
Could not open a connection to "ftp", port "NaN".
Error in ftp (line 75)
connect(h)
thank you
Jiang

  2 Comments

Muhammad Usman  Saleem
Muhammad Usman Saleem on 7 Jun 2016
use .cdf format in which NASA offer its product. this format is easily readable to matlab
jiang wenjie
jiang wenjie on 10 Jun 2016
How can i solve the problem?

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Answers (2)

Muhammad Usman  Saleem
Muhammad Usman Saleem on 11 Jun 2016
Edited: Muhammad Usman Saleem on 11 Jun 2016
https://www.myroms.org/wiki/NetCDF_Data_Processing_Scripts
search more on google and researchgate about how to proccess .nc files in matlab

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m.
m. on 3 Aug 2016
I got the same problem. I bet it has something to do with the ':' in the url, since after the ':' usually should come the portnumber. How to solve this is still unclear to me.

  2 Comments

m.
m. on 3 Aug 2016
Got it! Start with this: f = ftp('ladsweb.nascom.nasa.gov') and then use mget in order to download the data
Yogita Karale
Yogita Karale on 13 Oct 2017
but then how do you go to specific folder and download a particular file from that folder

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