Graphics - graphics library overview

2D PLOTTING

• plot2d : plot a curve
• plot2d2 : plot a curve as step function
• plot2d3 : plot a curve with vertical bars
• plot2d4 : plot a curve with arrows
• fplot2d : plot a curve defined by a function
• champ : 2D vector field
• champ1 : 2D vector field with colored arrows
• fchamp : direction field of a 2D first order ODE
• contour2d : level curves of a surface on a 2D plot
• fcontour2d : level curves of a surface defined by a function on a 2D plot
• grayplot : 2D plot of a surface using colors
• fgrayplot : 2D plot of a surface defined by a function using colors
• Sgrayplot : smooth 2D plot of a surface using colors
• Sfgrayplot : smooth 2D plot of a surface defined by a function using colors
• xgrid : add a grid on a 2D plot
• errbar : add vertical error bars on a 2D plot
• histplot : plot a histogram
• Matplot : 2D plot of a matrix using colors

3D PLOTTING

• plot3d : plot a surface
• plot3d1 : plot a surface with gray or color level
• fplot3d : plot a surface defined by a function
• fplot3d1 : plot a surface defined by a function with gray or color level
• param3d : plot one curve
• param3d1 : plots curves
• contour : level curves on a 3D surface
• fcontour : level curves on a 3D surface defined by a function
• hist3d : 3D representation of a histogram
• genfac3d : compute facets of a 3D surface
• eval3dp : compute facets of a 3D surface
• geom3d : projection from 3D on 2D after a 3D plot

LINE AND POLYGON PLOTTING

• xpoly : draw a polyline or a polygon
• xpolys : draw a set of polylines or polygons
• xrpoly : draw a regular polygon
• xsegs : draw unconnected segments
• xfpoly : fill a polygon
• xfpolys : fill a set of polygons

RECTANGLE PLOTTING

• xrect : draw a rectangle
• xfrect : fill a rectangle
• xrects : draw or fill a set of rectangles

ARC PLOTTING

• xarc : draw a part of an ellipse
• xarcs : draw parts of a set of ellipses
• xfarc : fill a part of an ellipse
• xfarcs : fill parts of a set of ellipses

ARROW PLOTTING

• xarrows : draw a set of arrows

STRINGS

• xstring : draw strings
• xstringl : compute a box which surrounds strings
• xstringb : draw strings into a box
• xtitle : add titles on a graphics window
• titlepage : add a title in the middle of a graphics window
• xinfo : draw an info string in the message subwindow

FRAMES AND AXES

• xaxis : draw an axis
• graduate : pretty axis graduations
• plotframe : plot a frame with scaling and grids

COORDINATES TRANSFORMATIONS

• isoview : set scales for isometric plot (do not change the size of the window)
• square : set scales for isometric plot (change the size of the window)
• scaling : affine transformation of a set of points
• rotate : rotation of a set of points
• xsetech : set the sub-window of a graphics window for plotting
• subplot : divide a graphics window into a matrix of sub-windows
• xgetech : get the current graphics scale
• xchange : transform real to pixel coordinates

COLORS

• colormap : using colormaps
• getcolor : dialog to select colors in the current colormap
• addcolor : add new colors to the current colormap
• graycolormap : linear gray colormap
• hotcolormap : red to yellow colormap

GRAPHICS CONTEXT

• xset : set values of the graphics context
• xget : get current values of the graphics context
• xlfont : load a font in the graphics context or query loaded font
• getsymbol : dialog to select a symbol and its size

SAVE AND LOAD

• xsave : save graphics into a file
• xload : load a saved graphics
• xbasimp : send graphics to a Postscript printer or in a file
• xs2fig : send graphics to a file in Xfig syntax
• xs2gif : send graphics to a file in Gif syntax
• xs2ppm : send graphics to a file in PPM syntax

GRAPHICS PRIMITIVES

• xbasc : clear a graphics window and erase the associated recorded graphics
• xclear : clear a graphics window
• driver : select a graphics driver
• xinit : initialisation of a graphics driver
• xend : close a graphics session
• xbasr : redraw a graphics window
• replot : redraw the current graphics window with new boundaries
• xpause : suspend Scilab
• xselect : raise the current graphics window
• xclea : erase a rectangle
• xclip : set a clipping zone
• xdel : delete a graphics window
• winsid : return the list of graphics windows
• xname : change the name of the current graphics window

MOUSE POSITION

• xclick : wait for a mouse click
• locate : mouse selection of a set of points
• xgetmouse : get the current position of the mouse

INTERACTIVE EDITOR

• edit_curv : interactive graphics curve editor
• gr_menu : simple interactives graphic editor
• sd2sci : gr_menu structure to scilab instruction convertor

GRAPHICS FUNCTIONS FOR AUTOMATIC CONTROL

• bode : Bode plot
• gainplot : magnitude plot
• nyquist : Nyquist plot
• m_circle : M-circle plot
• chart : Nichols chart
• black : Black's diagram
• evans : Evans root locus
• sgrid : s-plane grid lines
• plzr : pole-zero plot
• zgrid : zgrid plot