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| gp.boxXY | Work with shapefiles |
| gp.CheckHandle | Check if the gnuplot session handle is valid |
| gp.close | Close a gnuplot session |
| gp.cmd | Send one or more commands to gnuplot |
| gp.colorhistogram | Plot a color histogram |
| gp.cols2rows | convert a file with columns to rows |
| gp.CreateIndexFromMatrixAndPalette | Work with palette files |
| gp.CreatePaletteFromMatrix | Work with palette files |
| gp.diverging.colormap | Create diverging colormaps |
| gp.errmsg | Get gnuplot's error messages |
| gp.ext2terminal | Determine a suitable terminal from a file extension |
| gp.file2string | Read a text file to a string |
| gp.fit.allprogress | Get the value of all parameters from a stderr fit file |
| gp.fit.progress | Get the value of a parameter from a stderr fit file |
| gp.getfontpath | Get gnuplot's additional directories, for fonts |
| gp.getloadpath | Get gnuplot's additional directories, for data and scripts |
| gp.getvariable | Get the value of a system or environment variable |
| gp.getwd | Get gnuplot's working directory |
| gp.GimpPalette2matrix | Work with palette files |
| gp.h | Show gnuplot's help |
| gp.hexRGB | RGB sequence, from decimal to hexadecimal, ready for gnuplot |
| gp.image.crop | Simple image manipulation |
| gp.image.decimate | Simple image manipulation |
| gp.image.flip | Simple image manipulation |
| gp.image.plot | Simple image manipulation |
| gp.image.resize | Simple image manipulation |
| gp.image.rgbchange | Change image colors |
| gp.image.rgbfalsecolor | Change image colors |
| gp.image.rgbfiltercolor.blue | Change image colors |
| gp.image.rgbfiltercolor.green | Change image colors |
| gp.image.rgbfiltercolor.red | Change image colors |
| gp.image.rgbfiltercolor.sepia | Change image colors |
| gp.image.rgbfiltercolor.sepia2 | Change image colors |
| gp.image.rgbgreyscaleavg | Change image colors |
| gp.image.rgbgreyscaleBT709 | Change image colors |
| gp.image.rgbgreyscaleLinear | Change image colors |
| gp.image.rgbgreyscaleLuminosity | Change image colors |
| gp.image.rgbgreyscaleRMY | Change image colors |
| gp.image.rgbgreyscaleY | Change image colors |
| gp.image.rotate | Simple image manipulation |
| gp.image.tile | Simple image manipulation |
| gp.image2image | Simple image manipulation |
| gp.image2PNG | Simple image manipulation |
| gp.init | Open a gnuplot session |
| gp.init.save.stderr | Initialize gnuplot, save stderr to a log file |
| gp.isWindowOpen | Check if an X11 window is opened |
| gp.killpidX11 | Kill X11 windows |
| gp.load.demo | Load .dem gnuplot files |
| gp.mandel | Recursive implementation of the Mandelbrot set function |
| gp.map.merpar | Work with vector files for plotting maps |
| gp.map.PNG2lines | Work with shapefiles |
| gp.mapsr2gnu | Work with vector files for plotting maps |
| gp.math3d.plot | 3d plots like Mathematica |
| gp.matrix2GimpPalette | Work with palette files |
| gp.matrix2palette | Work with palette files |
| gp.matrix2PNG | Work with shapefiles |
| gp.matrix2XYdata | Converting a file to X, Y format |
| gp.matrixfile.pad | Working with matrix and XY data files |
| gp.matrixr2gnu | Save R matrix in gnuplot format |
| gp.palette.plot | Work with palette files |
| gp.pausableterm | Determine if the current terminal can be paused in synch with R |
| gp.pause | Pauses the system |
| gp.pauseX | Pauses the system (X11) |
| gp.pidX11 | Get the pid from an X11 window |
| gp.plot.equation | Plot the curve of an equation in 2D |
| gp.plot.map | Work with shapefiles |
| gp.plot.once | Plots arrays in one function call |
| gp.plot.slope | Plots a slope |
| gp.plot.x | Plot one list of doubles in 2D |
| gp.plot.xy | Plot two list of doubles in 2D |
| gp.plotFunction | Plots an expression in one function call |
| gp.plotPolyFit | Plots a polynomial fit in one function call |
| gp.PNG2color | Convert PNG to text |
| gp.PNG2RGB | Convert PNG to RGB |
| gp.PNG4DEM | Convert PNG plus DEM to text |
| gp.R2plot | Save 2D R to gnuplot |
| gp.R2splot | Save 3D R to gnuplot |
| gp.resampleDEM | Work with shapefiles |
| gp.resetplot | Reset the session |
| gp.RGB1to3channels | Work with RGB data |
| gp.RGB2DAT | Work with RGB data |
| gp.RGB2image | Work with RGB data |
| gp.RGBsample | Work with RGB data |
| gp.run | executes gnuplot code directly |
| gp.saveXYfile | Working with matrix and XY data files |
| gp.set.term | List or change gnuplot's current terminal |
| gp.set.xlabel | Set the x-axis label |
| gp.set.ylabel | Set the y-axis label |
| gp.setfontpath | Set gnuplot's additional directories, for fonts |
| gp.setloadpath | Set gnuplot's additional directories, for data and scripts |
| gp.setstyle | Set the plotting style |
| gp.setvariable | Set a system or environment variable |
| gp.setwd | Set gnuplot working directory |
| gp.show.datafile.binary.filetypes | List gnuplot's RGB binary types |
| gp.show.palette.colornames | Work with palette files |
| gp.showterm | Get gnuplot's current terminal |
| gp.SHP2gnu | Work with shapefiles |
| gp.splot | Plots an expression in 3D with one function call |
| gp.URL2string | Read a text file from the web to a string |
| gp.version | Get the gnuplot version |
| gp.WindowStatus | Status of an X11 window |
| gp.write.multi.csv | Write multi column CSV file |
| gp.write.x.csv | Write single column CSV file |
| gp.write.xy.csv | Write double column CSV file |
| gp.X11.present | Check for X11 in the system |
| gp.XYcoords.convert.fun | Working with matrix and XY data files |
| gp.XYcoords2shpere | Working with matrix and XY data files |
| gp.xydata2matrix | Working with matrix and XY data files |
| %s% | String concatenation operator |