软件包：libgral-java（0.11-2）

Java library for displaying plots (graphs, diagrams, and charts)

GRAL is a free Java library for displaying plots (graphs, diagrams, and charts). The acronym GRAL simply stands for GRAphing Library.

Features

 * Ready-to-use classes for data management
 * Data processing and filtering (smoothing, rescaling, statistics, histograms)
 * Many different plot types: xy/scatter plot, bubble plot, line plot,
   area plot, bar plot, pie plot, donut plot, box-and-whisker plot, raster plot
 * Legends: horizontal and vertical
 * Various axis types: linear axes, logarithmic axes, arbitrary number of axes
 * Several file formats are supported as data sources or data sinks (CSV,
   bitmap image data, audio file data)
 * Exporting plots in bitmap and vector file formats (PNG, GIF, JPEG, EPS, PDF,
   SVG)
 * Small footprint (about 300 kilobytes)

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