For RHEL 6 and Fedora 10+ the fonts used by ncplot, ncpp, and xpms2d are not installed by default. If it core dumps on start up, or messages about fonts not found and square boxes instead text, then try this:
11/27/2014, 2.2.1: Add CIP/PIP variable name support.
03/20/2013, 2.2.0: Use _FillValue specified in netCDF instead of default -32767 for missing value.
02/05/2013, 2.1.9: 3V-CPI/2DS support, autoscaling bug fix (it's obvious when bug is happening).
08/29/2012, 2.1.8: Modify SPP-100 sample area adjustment based on overflow counts.
11/15/2011, 2.1.7: Bug fix. Core dump when more than 6 probes selected.
03/02/2011, 2.1.6: Bug fix. Core dump when there was no concentration array for probe (counts only).
10/07/2009, 2.1.5: Overhaul 2DC processing, support for 64 diode probe, replace fixed sample area with same computed values used in nimbus processing. Split CDP processing away from S100 as the are slightly different. Support for "Save PNG" on 64 bit computers.
07/14/2009, 2.1.4: Add support for SID-II.
07/06/2009, 2.1.3: Fixed issues when data equaled _FillValue.