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On Wed, Jul 16, 2008 at 6:24 PM, Bob Simons <Bob.Simons@xxxxxxxx> wrote: > A Java solution: > > * When you get the actual data, it will be stored in a subclass of > ucar.ma2.Array. > > * The Array class offers lots of methods to rearrange the data (reduce(), > reshape(), permute(), ...). Those may be sufficient to do all that you need. I guess I also need to rearrange CoordinateAxis and Dimensions, right? > > > * If that isn't sufficient, sometimes it is appropriate to > * Use Array.flip to reverse the order of one dimension > (when the new Array is accessed via an index). > * Use Array.getIndex() to get a ucar.ma2.Index from the flipped Array. > * Make another Array (a3) to hold the results. > * Use the index to get data from the flipped Array, > then write it to the new array (a3). > > Good luck. Thank you. Daniele > > > Daniele Romagnoli wrote: > >> Hi list, >> first of all, sorry for cross-posting. >> >> I have some NetCDF data containing 4D variables having dimensions ordered >> as Time, Lat, Lon, Level. >> I would like to "simply" re-arrange data to become having dimensions >> ordered as Time, Level, Lat, Lon, as recommended (although not required) by >> CF-Convention. >> Is there an easy way to achieve this? (I'm using net-cdf java 2.2 APIs) >> >> Basically I have a "test.nc <http://test.nc>" file with >> attributes/variables/dimensions/more... and I would like to get a " >> modified.nc <http://modified.nc>" file where the "only difference" is >> having variables with differently ordered dimensions (and data array >> respecting the new order). >> >> Any suggestion or guidance line would be greatly appreciated. >> >> Best Regards, >> Daniele >> >> -- >> ------------------------------------------------------- >> Eng. Daniele Romagnoli >> Software Engineer >> >> GeoSolutions S.A.S. >> Via Carignoni 51 >> 55041 Camaiore (LU) >> Italy >> >> phone: +39 0584983027 >> fax: +39 0584983027 >> mob: +39 328 0559267 >> >> >> http://www.geo-solutions.it >> >> ------------------------------------------------------- >> >> >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> netcdf-java mailing list >> netcdf-java@xxxxxxxxxxxxxxxx >> For list information or to unsubscribe, visit: >> http://www.unidata.ucar.edu/mailing_lists/ >> > > -- > Sincerely, > > Bob Simons > Satellite Data Product Manager > Environmental Research Division > NOAA Southwest Fisheries Science Center > 1352 Lighthouse Ave > Pacific Grove, CA 93950-2079 > (831)658-3205 > bob.simons@xxxxxxxx > > The contents of this message are mine personally and > do not necessarily reflect any position of the > Government or the National Oceanic and Atmospheric > Administration. > <>< <>< <>< <>< <>< <>< <>< <>< <>< > > -- ------------------------------------------------------- Eng. Daniele Romagnoli Software Engineer GeoSolutions S.A.S. Via Carignoni 51 55041 Camaiore (LU) Italy phone: +39 0584983027 fax: +39 0584983027 mob: +39 328 0559267 http://www.geo-solutions.it -------------------------------------------------------
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