Hi Nuncio, There is a default ordering of the data. Your data follows a different ordering and so you will need the /ORDER qualifier when you read this -- look up these things in the Users Guide Index: SET DATA/ORDER and the examples under ASCII data; reading, examples Ansley nuncio@xxxxxxxxx wrote: Dear users, I have an ascii file running from 0-360 longitude and -90 to -50 latitudes, I used the following method to to convert this in to a netcdf file in ferret define axis/x=0:360:1/units= degrees xax1 define axis/y=-90:-50:0.25/units-degrees yax1 define axis/t=15-jan-81:15-jan-1981:1/units=months tax1 define grid/x=xax1/y=yax1/t=tax1 grdnew file/var="xx,yy,data"/grid=grdnew test1.txt fill data but there is something wrong in plotting, I think the coordinates are flipped image and data(first column lat, second long and third data) are attached Thanks nuncio |