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Open-File Report 2009–1181

User Manual for the Data-Series Interface of the Gr Application Software

By John M. Donovan


Thumbnail of and link to report PDF (10.4 MB)

This manual describes the data-series interface for the Gr Application software. Basic tasks such as plotting, editing, manipulating, and printing data series are presented. The properties of the various types of data objects and graphical objects used within the application, and the relationships between them also are presented. Descriptions of compatible data-series file formats are provided.

First posted April 23, 2010

For additional information contact:
Director, California Water Science Center
U.S. Geological Survey
6000 J street, Placer Hall
Sacramento, California 95819

Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.

Suggested citation:

Donovan, J.M., 2010, User manual for the data-series interface of Gr application software: U. S. Geological Survey Open–File Report, 43 p.




Working in Gr

Graph and Page Layout

The Properties Dialog


Zooming and Panning

The Status Bar

Selecting and Dragging Data Points

The Modify Dialog

Cutting, Copying, and Pasting Curves

Undoing Operations


Page Formats

Saving As Xml

Saving As Gs Format




References Cited

Appendix A. File Format Descriptions

Appendix B. Scripting

Appendix C. Tips for Working with Red-Green-Blue RGB) Colors

Appendix D. Symbol Indexes

Appendix E. Contact Information

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