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Hello, Unfortunately this is not something we will be able to do for you. While we maintain and support the netCDF library, we do not write software or create netCDF files. I can, however, point you towards software that might be able to help you with this. A list of software which uses netCDF may be found at the following URL: http://www.unidata.ucar.edu/software/netcdf/software.html It contains software that is both freely available as well as commercial. I hope this helps, have a pleasant day, -Ward > Dear Sir > > I would be very much grateful if anyone can make a masking file in netcdf > file using the region_n.msk: 448 rows x 304 columns [binary file]. The > details are given in below link. Further, this Netcdf file can be used > to mask any netcdffile based on our required regions. > > Region Masks > http://nsidc.org/data/polar_stereo/tools_masks.html > > Region masks for the Northern (n). The files contain a 300-byte header, > followed by a two-dimensional byte array stored by rows in column order. > Regions are assigned different pixel values as shown in the following > table. > > *region_n.msk: 448 rows x 304 columns [ATTACHED FOR KIND REFERENCE]* > Grided mask map:JPG [ATTACHED FOR KIND REFERENCE] > > Pixel Value Arctic Region > 1 Non-regional ocean > 2 Sea of Okhotsk and Japan > 3 Bering Sea > 4 Hudson Bay > 5 Baffin Bay/Davis Strait/Labrador Sea > 6 Greenland Sea > 7 Kara and Barents Seas > 8 Arctic Ocean > 9 Canadian Archipelago > 10 Gulf of St. Lawrence > 11 Land > 12 Coast > 0 Lakes, extended coast > > Thanking you and eagerly waiting for help from anyone. > > Kind Regards > Avinash > *Dr. Avinash Kumar **| **Scientist 'C' * > *ESSO - **National Centre for Antarctic & Ocean Research* > Earth System Science Organization *| *Ministry of Earth Sciences *|* > Government > of India > Headland Sada *|* Vasco-da-Gama *|* Goa 403 804 *|* India > > *Phone No: **+91-**832-2525-637 (O) **|** +91-832-252556488 (R) **| **Mobile > No: +91-9158536334 * > *Email: address@hidden <address@hidden> **|** > address@hidden > <address@hidden>* > *Website: *www.ncaor.gov.in *| > **http://www.researchgate.net/profile/Avinash_Kumar34 > <http://www.researchgate.net/profile/Avinash_Kumar34> * > *Dr. Avinash Kumar **| **Scientist 'C' * > *ESSO - **National Centre for Antarctic & Ocean Research* > Earth System Science Organization *| *Ministry of Earth Sciences *|* > Government > of India > Headland Sada *|* Vasco-da-Gama *|* Goa 403 804 *|* India > > > > *Phone No: **+91-**832-2525-637 (O) **|** +91-832-252556488 (R) **| **Mobile > No: +91-9158536334 * > *Email: address@hidden <address@hidden> **|** > address@hidden > <address@hidden>* > *Website: *www.ncaor.gov.in *| > **http://www.researchgate.net/profile/Avinash_Kumar34 > <http://www.researchgate.net/profile/Avinash_Kumar34> * > > Ticket Details =================== Ticket ID: MEN-658054 Department: Support netCDF Priority: Normal Status: Closed