Grace 5.1.20 review

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Grace project is a WYSIWYG 2D plotting tool for the X Window System and Motif

License: GPL (GNU General Public License)
File size: 2400K
Developer: Grace Development Team
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Grace project is a WYSIWYG 2D plotting tool for the X Window System and Motif. Grace runs on practically any version of Unix-like OS. As well, it has been successfully ported to VMS, OS/2, and Win9*/NT/2000/XP (some minor functionality may be missing, though).

Here are some key features of "Grace":
General

WYSIWYG design
Convenient point-and-click graphical user interface
Precise control of graph features
True publication quality
Graphs refresh almost instantly

Export Options

Exports high-resolution graphics to (E)PS, PDF, MIF, and SVG formats
Supports cross-platform PNM, JPEG and PNG formats
Device-independent Type1 font rastering, including anti-aliasing, ligatures and kerning

Graphing Flexibility

Unlimited number of graphs
Unlimited number of curves on a graph
Up to 256 customizable colors
9 dashed line styles
32 fill patterns
10 built-in marker symbols; plus, any character glyph from any font can be used as a marker
Color/fill markers
Text annotations with subscripts, superscripts, mixed fonts, styles and colors and more complex typesetting

Curve Fitting

Linear and nonlinear least-squares
Calculation and display of residuals
Arbitrarily complex user-defined fitting functions, including dynamically loadable C/Fortran/... modules
Fitting with constraints
Region restrictions
Fitting with arbitrary weight functions

Analysis Capability

FFT
Integration and differentiation
Histograms
Splines, including Akima splines
Interpolation and smoothing
Convolution, correlation, and covariation
Sorting

Data Formats

Unlimited data size; up to six dimensions plus an optional array of strings
Reads text data input files
Reads 1D netCDF files

Programmability

Built-in programming language
Math functions manipulate entire array
Variables, including arrays (1D)
User-definable functions via loadable modules
All aspects of plot outlook can be programmed
Controllable by external programs

Customization/Extensibility

Dynamic module loading - write your own C/Fortran/...
User-defined colors
User-supplied fonts and encodings

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