PLplot

Available API man pages:

pl_setcontlabelformat: Set format of numerical label for contours

pl_setcontlabelparam: Set parameters of contour labelling other than format of numerical label

pladv: Advance the (sub-)page

plarc: Draw a circular or elliptical arc

plaxes: Draw a box with axes, etc. with arbitrary origin

plbin: Plot a histogram from binned data

plbop: Begin a new page

plbox: Draw a box with axes, etc

plbox3: Draw a box with axes, etc, in 3-d

plbtime: Calculate broken-down time from continuous time for the current stream

plcalc_world: Calculate world coordinates and corresponding window index from relative device coordinates

plclear: Clear current (sub)page

plcol0: Set color, cmap0

plcol1: Set color, cmap1

plcolorbar: Plot color bar for image, shade or gradient plots

plconfigtime: Configure the transformation between continuous and broken-down time for the current stream

plcont: Contour plot

plcpstrm: Copy state parameters from the reference stream to the current stream

plctime: Calculate continuous time from broken-down time for the current stream

plend: End plotting session

plend1: End plotting session for current stream

plenv0: Same as plenv(3plplot) but if in multiplot mode does not advance the subpage, instead clears it

plenv: Set up standard window and draw box

pleop: Eject current page

plerrx: Draw error bars in x direction

plerry: Draw error bars in the y direction

plfamadv: Advance to the next family file on the next new page

plfill: Draw filled polygon

plfill3: Draw filled polygon in 3D

plflush: Flushes the output stream

plfont: Set font

plfontld: Load Hershey fonts

plGetCursor: Wait for graphics input event and translate to world coordinates.

plgchr: Get character default height and current (scaled) height

plgcmap1_range: Get the cmap1 argument range for continuous color plots

plgcol0: Returns 8-bit RGB values for given color index from cmap0

plgcol0a: Returns 8-bit RGB values and PLFLT alpha transparency value for given color index from cmap0

plgcolbg: Returns the background color (cmap0[0]) by 8-bit RGB value

plgcolbga: Returns the background color (cmap0[0]) by 8-bit RGB value and PLFLT alpha transparency value

plgcompression: Get the current device-compression setting

plgdev: Get the current device (keyword) name

plgdidev: Get parameters that define current device-space window

plgdiori: Get plot orientation

plgdiplt: Get parameters that define current plot-space window

plgdrawmode: Get drawing mode (depends on

device support!)

plgfam: Get family file parameters

plgfci: Get FCI (font characterization integer)

plgfnam: Get output file name

plgfont: Get family, style and weight of the current font

plglevel: Get the (current) run level

plgpage: Get page parameters

plgra: Switch to graphics screen

plgradient: Draw linear gradient inside polygon

plgriddata: Grid data from irregularly sampled data

plgspa: Get current subpage parameters

plgstrm: Get current stream number

plgver: Get the current library version number

plgvpd: Get viewport limits in normalized device coordinates

plgvpw: Get viewport limits in world coordinates

plgxax: Get x axis parameters

plgyax: Get y axis parameters

plgzax: Get z axis parameters

plhist: Plot a histogram from unbinned data

plhlsrgb: Convert HLS color to RGB

plimagefr: Plot a 2D matrix using cmap1

plimage: Plot a 2D matrix using cmap1 with automatic color adjustment

plinit: Initialize PLplot

pljoin: Draw a line between two points

pllab: Simple routine to write labels

pllegend: Plot legend using discretely annotated filled boxes, lines, and/or lines of symbols

pllightsource: Sets the 3D position of the light source

plline: Draw a line

plline3: Draw a line in 3 space

pllsty: Select line style

plmap: Plot continental outline or shapefile data in world coordinates

plmapfill: Plot all or a subset of Shapefile data, filling the polygons

plmapline: Plot all or a subset of Shapefile data using lines in world coordinates

plmapstring: Plot all or a subset of Shapefile data using strings or points in world coordinates

plmaptex: Draw text at points defined by Shapefile data in world coordinates

plmeridians: Plot latitude and longitude lines

plmesh: Plot surface mesh

plmeshc: Magnitude colored plot surface mesh with contour

plmkstrm: Creates a new stream and makes it the default

plmtex: Write text relative to viewport boundaries

plmtex3: Write text relative to viewport boundaries in 3D plots

plot3d: Plot 3-d surface plot

plot3dc: Magnitude colored plot surface with contour

plot3dcl: Magnitude colored plot surface with contour for z[x][y] with y index limits

plparseopts: Parse command-line arguments

plpat: Set area line fill pattern

plpath: Draw a line between two points, accounting for coordinate transforms

plpoin: Plot a glyph at the specified points

plpoin3: Plot a glyph at the specified 3D points

plpoly3: Draw a polygon in 3 space

plprec: Set precision in numeric labels

plpsty: Select area fill pattern

plptex: Write text inside the viewport

plptex3: Write text inside the viewport of a 3D plot

plrandd: Random number generator returning a real random number in the range [0,1]

plreplot: Replays contents of plot buffer to current device/file

plrgbhls: Convert RGB color to HLS

plschr: Set character size

plscmap0: Set cmap0 colors by 8-bit RGB values

plscmap0a: Set cmap0 colors by 8-bit RGB values and PLFLT alpha transparency value

plscmap0n: Set number of colors in cmap0

plscmap1_range: Set the cmap1 argument range for continuous color plots

plscmap1: Set opaque RGB cmap1 colors values

plscmap1a: Set semitransparent cmap1 RGBA colors.

plscmap1l: Set cmap1 colors using a piece-wise linear relationship

plscmap1la: Set cmap1 colors and alpha transparency using a piece-wise linear relationship

plscmap1n: Set number of colors in cmap1

plscol0: Set 8-bit RGB values for given cmap0 color index

plscol0a: Set 8-bit RGB values and PLFLT alpha transparency value for given cmap0 color index

plscolbg: Set the background color by 8-bit RGB value

plscolbga: Set the background color by 8-bit RGB value and PLFLT alpha transparency value.

plscolor: Used to globally turn color output on/off

plscompression: Set device-compression level

plsdev: Set the device (keyword) name

plsdidev: Set parameters that define current device-space window

plsdimap: Set up transformation from metafile coordinates

plsdiori: Set plot orientation

plsdiplt: Set parameters that define current plot-space window

plsdiplz: Set parameters incrementally (zoom mode) that define current plot-space window

plsdrawmode: Set drawing mode (depends on device support!)

plseed: Set seed for internal random number generator.

plsesc: Set the escape character for text strings

plsetopt: Set any command-line option

plsfam: Set family file parameters

plsfci: Set FCI (font characterization integer)

plsfnam: Set output file name

plsfont: Set family, style and weight of the current font

plshades: Shade regions on the basis of value

plshade: Shade individual region on the basis of value

plslabelfunc: Assign a function to use for generating custom axis labels

plsmaj: Set length of major ticks

plsmem: Set the memory area to be plotted (RGB)

plsmema: Set the memory area to be plotted (RGBA)

plsmin: Set length of minor ticks

plsori: Set orientation

plspage: Set page parameters

plspal0: Set the cmap0 palette using the specified cmap0*.pal format file

plspal1: Set the cmap1 palette using the specified cmap1*.pal format file

plspause: Set the pause (on end-of-page) status

plsstrm: Set current output stream

plssub: Set the number of subpages in x and y

plssym: Set symbol size

plstar: Initialization

plstart: Initialization

plstransform: Set a global coordinate transform function

plstring: Plot a glyph at the specified points

plstring3: Plot a glyph at the specified 3D points

plstripa: Add a point to a strip chart

plstripc: Create a 4-pen strip chart

plstripd: Deletes and releases memory used by a strip chart

plstyl: Set line style

plsurf3d: Plot shaded 3-d surface plot

plsurf3dl: Plot shaded 3-d surface plot for z[x][y] with y index limits

plsvect: Set arrow style for vector plots

plsvpa: Specify viewport in absolute coordinates

plsxax: Set x axis parameters

plsyax: Set y axis parameters

plsym: Plot a glyph at the specified points

plszax: Set z axis parameters

pltext: Switch to text screen

pltimefmt: Set format for date / time labels

plvasp: Specify viewport using aspect ratio only

plvect: Vector plot

plvpas: Specify viewport using coordinates and aspect ratio

plvpor: Specify viewport using normalized subpage coordinates

plvsta: Select standard viewport

plw3d: Configure the transformations required for projecting a 3D surface on a 2D window

plwidth: Set pen width

plwind: Specify window

plxormod: Enter or leave xor mode

Many developers (who are credited at http://plplot.org/credits.php) have contributed to PLplot over its long history.

PLplot documentation at http://plplot.org/documentation.php.