How can I get data from nasa via ftp?

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

[Muhammad Usman Saleem]

use .cdf format in which NASA offer its product. this format is easily readable to matlab

[jiang wenjie]

How can i solve the problem?

Answer 1

[Muhammad Usman Saleem]

http://www.mathworks.com/matlabcentral/answers/273383-how-to-convert-netcdf-reterive-from-ncep-ncar-to-ascii-files-of-each-month

https://www.myroms.org/wiki/NetCDF_Data_Processing_Scripts

search more on google and researchgate about how to proccess .nc files in matlab

Answer 2

[m.]

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.

[m.]

Got it! Start with this: f = ftp('ladsweb.nascom.nasa.gov') and then use mget in order to download the data

[Yogita Karale]

but then how do you go to specific folder and download a particular file from that folder