**xmgr** is an XY plotting tool for workstations or X-terminals using X. A
few of its features are:

- User defined scaling, tick marks, labels, symbols, line styles, colors.
- Batch mode for unattended plotting.
- Read and write parameters used during a session.
- Polynomial regression, splines, running averages, DFT/FFT, cross/auto-correlation.
- Hardcopy support for PostScript, HP-GL, and FrameMaker .mif format.

While xmgr has a convenient point-and-click interface, most parameter settings and operations are available through a command line interface (found in Data/Commands).

**Sets**-
Sets are collections of points, with optional associated values at these
points. The associated values can be used to display error bars, high-low
open-close plots and several other features. Sets are connected to a
graph, and, by default, there are 30 sets per graph. Each set is
numbered from 0 to the maximum number of sets less one. The number of
points in a set is limited by the size of virtual memory and are
numbered from 1 to N where N is the total number of points in the set.
Operations to manipulate sets are found in Data/Set
operations, and features such as line styles, symbol types, and
others can be changed from
**Plot/Symbols**. **Graphs**-
Graphs are the collection of data sets, tick marks, titles, etc. drawn to
display the data. By default, there are 10 graphs with each graph owning
30 sets (both the number of graphs and the number of sets are adjustable
via command line parameters). Operations on graphs are found in the
**Graphs/Graph operations**popup.There are numerous popups accessible through Graphs pulldown menu that allow the manipulation of graph parameters. Most graph operations work on what is referred to as the `current graph', marked by small filled rectangles at the corners of one graph. The 10 graphs available by default in this version of xmgr are numbered from 0 to 9.

**Regions**-
Regions are sections of the graph defined by the interior or exterior of
a polygon, or a half plane defined by a line. A region defined by a
line can be above, below, to the right, or left of the line. Defining
regions and operations on points inside regions are found in
Data/Region operations.
**Parameters**- Parameters are the settings of symbols, line styles, colors, fonts, etc. used to define graphs and the display of the active sets.

To install xmgr, refer to the document INSTALL found in the xmgr distribution. This will describe the details to successfully install xmgr.

For bug reports, comments, etc., use the "Help/Comments" on-line report facility.

The home of xmgr sources and documentation is http://plasma-gate.weizmann.ac.il/Xmgr/

Copyright (c) 1991-95 Paul J Turner, Portland, OR Copyright (c) 1996-98 ACE/gr Development Team Currently maintained by Evgeny Stambulchik, Rehovot, Israel All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. PAUL J TURNER AND OTHER CONTRIBUTORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING, BUT NOT LIMITED TO, ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL PAUL J TURNER OR CURRENT MAINTAINER BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTUOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.