.TH graphics 2 "April 1993" "Scilab Group" "Scilab Function" 
.so ../sci.an
.SH NAME 
Graphics - graphics library overview
.SH 2D PLOTTING
.TP 11
plot2d
: plot a curve
.TP
plot2d2
: plot a curve as step function
.TP
plot2d3
: plot a curve with vertical bars
.TP
plot2d4
: plot a curve with arrows
.TP
fplot2d
: plot a curve defined by a function
.TP
champ
: 2D vector field 
.TP
champ1
: 2D vector field with colored arrows
.TP
fchamp
: direction field of a 2D first order ODE
.TP
contour2d
: level curves of a surface on a 2D plot
.TP
fcontour2d
: level curves of a surface defined by a function on a 2D plot
.TP
grayplot
: 2D plot of a surface using colors
.TP
fgrayplot
: 2D plot of a surface defined by a function using colors
.TP
Sgrayplot
: smooth 2D plot of a surface using colors
.TP
Sfgrayplot
: smooth 2D plot of a surface defined by a function using colors
.TP
xgrid
: add a grid on a 2D plot
.TP
errbar
: add vertical error bars on a 2D plot
.TP
histplot
: plot a histogram
.TP
Matplot
: 2D plot of a matrix using colors 
.SH 3D PLOTTING
.TP 9
plot3d
: plot a surface
.TP
plot3d1 
: plot a surface with gray or color level
.TP
fplot3d
: plot a surface defined by a function
.TP
fplot3d1 
: plot a surface defined by a function with gray or color level
.TP
param3d
: plot one curve
.TP
param3d1
: plots curves
.TP
contour
: level curves on a 3D surface
.TP
fcontour
: level curves on a 3D surface defined by a function
.TP
hist3d
: 3D representation of a histogram
.TP
genfac3d
: compute facets of a 3D surface
.TP
eval3dp
: compute facets of a 3D surface
.TP
geom3d
: projection from 3D on 2D after a 3D plot
.SH LINE AND POLYGON PLOTTING
.TP 8
xpoly
: draw a polyline or a polygon
.TP
xpolys
: draw a set of polylines or polygons
.TP
xrpoly
: draw a regular polygon
.TP
xsegs
: draw unconnected segments
.TP
xfpoly
: fill a polygon
.TP
xfpolys
: fill a set of polygons
.SH RECTANGLE PLOTTING
.TP 7
xrect
: draw a rectangle
.TP
xfrect
: fill a rectangle
.TP
xrects
: draw or fill a set of rectangles
.SH ARC PLOTTING
.TP 7
xarc
: draw a part of an ellipse
.TP
xarcs
: draw parts of a set of ellipses
.TP
xfarc
: fill a part of an ellipse
.TP
xfarcs
: fill parts of a set of ellipses
.SH ARROW PLOTTING
.TP 8
xarrows
: draw a set of arrows
.SH STRINGS
.TP 10
xstring
: draw strings
.TP
xstringl
: compute a box which surrounds strings
.TP
xstringb
: draw strings into a box
.TP
xtitle
: add titles on a graphics window
.TP
titlepage
: add a title in the middle of a graphics window
.TP
xinfo
: draw an info string in the message subwindow
.SH FRAMES AND AXES
.TP 10
xaxis
: draw an axis 
.TP
graduate
: pretty axis graduations
.TP
plotframe
: plot a frame with scaling and grids
.SH COORDINATES TRANSFORMATIONS
.TP 8
isoview
: set scales for isometric plot (do not change the size of the window)
.TP
square
: set scales for isometric plot (change the size of the window)
.TP
scaling
: affine transformation of a set of points
.TP
rotate
: rotation of a set of points  
.TP
xsetech
: set the sub-window of a graphics window for plotting
.TP
subplot
: divide a graphics window into a matrix of sub-windows
.TP
xgetech
: get the current graphics scale
.TP
xchange
: transform real to pixel coordinates
.SH COLORS
.TP 13
colormap
: using colormaps
.TP
getcolor
: dialog to select colors in the current colormap
.TP
addcolor
: add new colors to the current colormap
.TP
graycolormap
: linear gray colormap
.TP
hotcolormap
: red to yellow colormap
.SH GRAPHICS CONTEXT
.TP 10
xset
: set values of the graphics context
.TP
xget
: get current values of the graphics context
.TP
xlfont
: load a font in the graphics context or query loaded font
.TP
getsymbol
: dialog to select a symbol and its size
.SH SAVE AND LOAD
.TP 8
xsave
: save graphics into a file
.TP
xload
: load a saved graphics
.TP
xbasimp
: send graphics to a Postscript printer or in a file
.TP
xs2fig
: send graphics to a file in Xfig syntax
.SH GRAPHICS PRIMITIVES
.TP 8
xbasc
: clear a graphics window and erase the associated recorded graphics
.TP
xclear
: clear a graphics window
.TP
driver
: select a graphics driver
.TP
xinit
: initialisation of a graphics driver
.TP
xend
: close a graphics session
.TP
xbasr
: redraw a graphics window
.TP
replot
: redraw the current graphics window with new boundaries
.TP
xpause
: suspend Scilab 
.TP
xselect
: raise the current graphics window
.TP
xclea
: erase a rectangle
.TP
xclip
: set a clipping zone 
.TP
xdel
: delete a graphics window
.TP
winsid
: return the list of graphics windows
.TP
xname
: change the name of the current graphics window
.SH MOUSE POSITION
.TP 10
xclick
: wait for a mouse click
.TP
locate
: mouse selection of a set of points
.TP
xgetmouse
: get the current position of the mouse
.SH INTERACTIVE EDITOR
.TP 10
edit_curv
: interactive graphics curve editor
.TP
gr_menu
: simple interactives graphic editor
.TP
sd2sci
: gr_menu structure to scilab instruction convertor
.SH GRAPHICS FUNCTIONS FOR AUTOMATIC CONTROL
.TP 9
bode
: Bode plot
.TP
gainplot
: magnitude plot
.TP
nyquist
: Nyquist plot
.TP
m_circle
: M-circle plot
.TP
chart
: Nichols chart
.TP
black
: Black's diagram
.TP
evans
: Evans root locus
.TP
sgrid
: s-plane grid lines
.TP
plzr
: pole-zero plot
.TP
zgrid
: zgrid plot