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CoastWatch Software Library and Utilities v3.2.2

Contents

Overview

The CoastWatch Software Library and Utilities is a package of software tools for working with earth data sets distributed by the NOAA/NESDIS CoastWatch program. The tools allow data users to easily manipulate and visualize data from the newer CoastWatch HDF files (local and network-accessible), the older CoastWatch IMGMAP files (.cwf extension), and NOAA 1b AVHRR. The CoastWatch Utilities have both graphical tools with a point-and-click interface and command-line tools for use in batch data processing scripts. The tools can perform various types of tasks:

Information and Statistics
File contents, statistics computations on variables (for example min, max, mean, standard deviation), direct access to raw file and variable attributes.
Data Processing
Data format conversions, compositing, generic variable math, data sampling.
Graphics and Visualization
Interactive visualization/analysis, batch image rendering, ancillary graphics creation such as data coverage maps, grids, coastlines, landmasks.
Registration and Navigation
Resampling of data from one projection to another, interactive generation of region masters, manual and automatic navigational correction, computation of solar and earth location angles.
Network
Data download and server status.

New Features

New features in the 3.2.2 release include:

  • Support for Windows Vista
  • Full screen data display mode
  • Support for NOAA 1b files with scan line gaps
  • Navigation error analysis panel in CDAT
  • User's guide chapters on CDAT and programmer's API
See the User's Guide Appendix G for a full list of new features and bug fixes.

Screenshots

The following are screenshots from the CoastWatch Data Analysis Tool (CDAT):


Figure 1: Thermal AVHRR data showing Typhoon
Nida east of the Philippines (Mac)
Figure 2: Sea surface temperature from AVHRR
off Baja California, Mexico (Mac)

Figure 3: Coral Reef Watch sea surface temperature
anomaly showing Atlantic and Pacific
Figure 4: Global coverage ocean surface
windspeed from NASA's QuikSCAT satellite

Presentations

2003

  • The CoastWatch Utilities Version 3, presented at the CoastWatch Node Managers Meeting, October 2003, Glen Arbor, Michigan. Topics covered: Software requirements (website, research, product development), implementation details (survey of all utilities), future work to be done.
  • The CoastWatch Data Analyis Tool, presented at the CoastWatch Node Managers Meeting, October 2003, Glen Arbor, Michigan. Topics covered: Target user groups, functionality (data import/export, display, annotation, statistics, preferences), demonstration (not included), future work to be done.

2005

  • The CoastWatch Utilities Version 3.2: CoastWatch Data Made Easy, presented at the CoastWatch Node Managers Meeting, October 2005, Pacific Grove, California. Topics covered: Common tasks performed by the utilities, types of documentation available, details on software development (requirements and users), demonstration (not included).

2007

  • The CoastWatch Utilities: Ten Years in the Making, presented at the CoastWatch Operations Managers Meeting, June 2007, Annapolis, Maryland. Topics covered: General information about the utilities, features and statistics for the current release (3.2.1), ideas for future releases.
  • Ad-hoc Processing with the CoastWatch Utilities, presented at the CoastWatch Operations Managers Meeting, June 2007, Annapolis, Maryland. Topics covered: Extracting information from data files (metadata, statistics, sampling), data processing (reprojection, math), custom code (data interfaces, file interfaces).
  • CoastWatch Data in Google Earth: A How-to Guide, presented at the CoastWatch Operations Managers Meeting, June 2007, Annapolis, Maryland. Topics covered: Google Earth features in comparison to CDAT, preparing data images and markup code, demonstration with AVHRR swath and GOES SST data.

Download

Download the package by choosing the appropriate operating system and package type below. For help with installation, consult the Installation Notes section of the User's Guide.



If clicking the drop-down boxes above does not show a list of operating systems and package types, choose directly from a full list of packages. You can optionally verify the download using the MD5SUM code.

Errata

Fedora Core 8 Linux

Fedora Core 8 users have reported the following error when running CDAT: 

  java: xcb_xlib.c:50: xcb_xlib_unlock: Assertion `c->xlib.lock' failed.
This is due to an incompatibility between Java and the Fedora Core 8 X-Windows environment as described here:
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6532373
As a workaround, the following command can be run as the user who owns the CWF installation directory, which may be root: 
  sed -i 's/XINERAMA/FAKEEXTN/g' /opt/cwf/jre/lib/i386/xawt/libmawt.so
Note that /opt/cwf is a the default installation path for the Linux GUI installers, you may need to change the path if you have a custom configuration or if you installed from the tar.gz file.

64-bit Linux

Users on 64-bit Linux machines are reporting the following error: 

  java.lang.UnsatisfiedLinkError: /opt/cwf/lib/linux/libHDFReader.so:
  /opt/cwf/lib/linux/libHDFReader.so: cannot open shared object file: 
  No such file or directory
The CoastWatch Utilities use native I/O libraries compiled in 32-bit mode. Currently there is no 64-bit support for Linux.

Development Packages

A number of development packages are also available for the next release. These prerelease versions contain bug fixes and improvements, but are not well tested and should be used with caution:

3.2.3 Build 320 -- 2008/04/04
3.2.3 Build 316 -- 2008/04/03
3.2.3 Build 304 -- 2008/03/04
3.2.3 Build 272 -- 2008/02/18
3.2.3 Build 247 -- 2007/12/21
  • Fixed problem with full orbit FRAC data files from Metop. Opening a full orbit file was resulting in a very long wait and CDAT becoming unresponsive.
  • Fixed out of memory problems with opening and closing many large files in CDAT.
  • Added informational "Reading file information" message when opening large files in CDAT.
  • Fixed unsupported file format error when reading TOVS data files with no archive header.
  • cwf_3_2_3_pre_build247_linux.tar.gz
    MD5SUM: b012e5c501f1ee8eb379cdb4f45d59bc
  • cwf_3_2_3_pre_build247_macosx.dmg
    MD5SUM: a993c62c9bc70cf7b7fcbcf72e996983
  • cwf_3_2_3_pre_build247_win32.exe
    MD5SUM: 64da7ab2b66d2b02602b9e5ba0a7c7fb
3.2.3 Build 100 -- 2007/12/06
3.2.3 Build 90 -- 2007/11/28
3.2.3 Build 6 -- 2007/11/15
  • Corrected problem with reading CoastWatch HDF swath geolocation data. This was causing an error when displaying or working with CoastWatch HDF swath projection data files.
  • Regenerated HDF land mask files for use with autonavigation. The cwautonav tool was failing when encountering navigation points with latitude > 45 degrees.
  • cwf_3_2_3_pre_build6_linux.tar.gz
    MD5SUM: c7e5e24eab1e5386800c46dd3723dd5b
  • cwf_3_2_3_pre_build6_macosx.dmg
    MD5SUM: bd9fe559c99665c64225935d869c273f
  • cwf_3_2_3_pre_build6_win32.exe
    MD5SUM: 1e7c27ebe868331a89312507b5bb2300
  
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