Appendix D: Useful URLS |  
 | 
| Class hierarchy diagrams | http://ngwww.ucar.edu/ngdoc/ng/ug/hlu/classes/classcharts.html | 
| Color specification formats | http://ngwww.ucar.edu/ngdoc/ng/ref/colorspecs.html | 
| Color tables | http://ngwww.ucar.edu/ngdoc/ng/ref/colortables.html | 
| Dash patterns | http://ngwww.ucar.edu/ngdoc/ng/ref/dashpatterns.html | 
| Fill patterns | http://ngwww.ucar.edu/ngdoc/ng/ref/fillpatterns.html | 
| Font table | http://ngwww.ucar.edu/ngdoc/ng/ref/FontTable.html | 
| GRIB | ftp://ncardata.ucar.edu/docs/grib/ | 
| HDF | http://hdf.ncsa.uiuc.edu/ | 
| NCL built-in functions and procedures | http://ngwww.ucar.edu/ngdoc/ng/ref/ncl/NclFuncAndProcRef.html | 
| NCL-CSM Processor | http://www.cgd.ucar.edu/cas/ncl-csm/intro.html | 
| NCL Reference Manual | http://ngwww.ucar.edu/ngdoc/ng/ref/ncl/Overview.html | 
| NetCDF | http://www.unidata.ucar.edu/packages/netcdf/ | 
| Text function codes | http://ngwww.ucar.edu/ngdoc/ng/ref/hlu/FunctionCodes.html | 
| Quick Start Guide examples | http://ngwww.ucar.edu/ngdoc/ng/qsg/pickutil.html |