nccmp

We've moved to Gitlab! (gitlab.com/remikz/nccmp)
Compares two NetCDF files in-place to find specific variables, dimensions and/or attributes that differ. Highly recommended for any test-driven environment and regression testing large datasets.

Features

Multi-threaded if posix threads supported.
Groups (netcdf4) recursively, by short or full name.
Header pad comparisons.
Limit diffs up to global total or per-variable counts.
Support all Netcdf4 atomic and user-types, with nesting.
Can treat NaN's as equal if used as grid masks.
Written in pure C and builds on many platforms.
Allow asymmetric data types when comparing semantically.

Project Samples

Compare metadata for non-record variables.

Compare data using a tolerance threshold.

Project Activity

See All Activity >

License

GNU General Public License version 2.0 (GPLv2)

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pletzer Posted 2016-09-14

Great project! Had to tweak the config.h file on some platform by setting #define HAVE_NC_H 0.
esguti Posted 2014-02-07

Works perfectly

Additional Project Details

Operating Systems

Cygwin, Linux

Languages

English

Intended Audience

Science/Research

User Interface

Command-line

Programming Language

Related Categories

C Earth Sciences Software

Registered

2004-06-10

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