ISTP CDF Skeleton Editor
The SKTEditor is a simple graphical user interface (GUI) application
creating and editing
Solar-Terrestrial Physics (ISTP)/Interagency Consultative Group
guideline compliant skeleton
Common Data Format (CDF)
The following Windows and MacOS installers do not require installing Java or
CDF first. And they do not require administrative privileges.
Web Start Use
To use this application, you must hava Java and IcedTea (Web Start)
installed on your computer. For more information, refer
to these instructions
- .skt and .nc files: In order to read
and write CDF skeleton files (extension .skt) and
(extension .nc) files, you must first install
CDF. This is not
necessary to simply read/write CDF files. A full installation of
netCDF is not necessary. Linux users will have to also install the
cdf-to-netCDF and netCDF-to-cdf programs from the
CDF Data Format Translation Tools into their $CDF_BIN directory.
- CDF: An installation of
CDF is not
required to use this editor from the above button to read/write CDF
files. It is only required to also be able to read/write
- Java 11 or higher:
To launch the application with WebStart
(skteditor.jnlp file), you will likely need to ensure that the
IcedTea software is installed.
Refer to these
To run the editor without WebStart, follow the
- Small Window/Text on Linux: If the SKTEditor
window and text appears small on a Linux computer with a high-DPI
display (for example, a 4K monitor), try starting it by doing
as a workaround. Although JEP 263 is suppose to correct this problem
in Java 11, it has been observered to still exist on Linux and Java 11.
- Windows 10: This application functions on Windows 10.
More information about Java on Windows is available at the following
- Chrome/Microsoft Edge: After selecting the
Launch Application button,
skteditor.jnlp was blocked because this type of
file can harm your device. To overcome this select
.../More actions for the skteditor.jnlp file and choose
keep. Then select
Instead of launching the application from the above button, the
application may be installed by following the
Manual Installation Instructions.
Command-line CDF Checkers
The SKTEditor GUI
application contains two separate CDF standard checking
functions. The first checks a CDF for compliance with the
second checks a CDF for compliance with project-specific guidelines
(e.g., MMS Mission CDF File Format and Units of Measure Guides).
CDF checking software can also
be run from a CLI
(in addition to running it from within SKTEditor). An advantage
running the software from a CLI is to automate the checking of many
files. Follow these
instructions for installing and running the checkers from a CLI.
This application may be uninstalled by following the
The ISTP CDF Skeleton Editor is a software application that is made
available under the terms of the
NASA Open Source Agreement (NOSA).
The latest source code
is available for download.
Comments and questions about this application are welcome. Please use
to send your comments, question, or problem reports.