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56 chapter 3TABLE 3.2Grace Menu and Submenu ItemsEditData setsSet operationscopy, move, swapArrange graphsmatrix, offset, spacingOverlay graphsAutoscale graphsRegionsHot linksSet/Clear local/fixed pointDataData set operationssort, reverse, join, split, drop pointsTransformationsexpressions, histograms, transforms,convolutions, statistical ops, interpolationsFeature extractionmin/max, average, deviations, frequency,COM, rise/fall time, zerosImportExportPreferencesPlotPlot appearancebackground, time stamp, font, colorGraph appearancestyle, title, labels, frame, legendsSet appearancestyle, symbol properties, error barsViewShow locator bar (default)Show status bar (default)Show tool bar (default)Page setupRedrawUpdate allAxis propertieslabels, ticks, placementLoad/Save parametersWindowCommandPoint explorerFont toolConsoleDrawing objects3.4 Gnuplot: Reliable 2-D and 3-D PlotsGnuplot is a versatile 2-D and 3-D graphing package that makes Cartesian, polar,surface, and contour plots. Although PtPlot is good for 2-D plotting with Java,only Gnuplot can create surface plots of numerical data. Gnuplot is classic opensoftware, available free on the Web, and supports many output formats.−101COPYRIGHT 2008, PRINCET O N UNIVE R S I T Y P R E S SEVALUATION COPY ONLY. NOT FOR USE IN COURSES.ALLpup_06.04 — 2008/2/15 — Page 56