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Plot Options

Plot options and their defaults are shown below.

The defaults are set whenever you use the 'reset' or 'new' commands and are defined in script ~system\classes\plot\plotdefs.ijs.

To customize the defaults, create a script with the same name in your config directory, i.e. with name ~config\plotdefs.ijs, and enter any changed default options. For example, to default to axes without frames or grids, enter the following into your plotdefs.ijs script:

   AXES=: 1
   FRAME=: 0
   GRIDS=: 0
Options are specified by providing the option name followed by its argument. Several options can be given at one time, separated by semicolons. Option values are stored as uppercase global variables.

Options whose names begin with 'x' apply to the x-axis; similar options apply to the y and z axes.

Option 

 Type 

 Default 

 Description
aspect 

 n 

 ratio of graphics height to width (default 1 for pie or radar).
axes 

 b 

 0 0  

 if x,y axes are shown (default off since plot is framed)
backcolor 

 color 

 WHITE 

 background color
bandcolor 

 colors 

   

 band color scheme, see Plot Colors
border 

 b 

 0 

 if a border is drawn
bordersize 

 n 

 8 

 size of border (isigraph units)
boxed

 b 

 1 

 if drawn in a box (3D only)
captionfont 

 font 

 Arial 18 (isigraph)  

 font for x and y captions
clear

 b 

 1 

 if clear the background before drawing plot
color 

 colors 

 plot colors, see Plot Colors
contourlevels 

 n 

 20 

 number of levels in contour plot
edgecolor 

 colors 

 BLACK 

 edge color (ellipse, pie, poly, rect)
edgesize 

 n 

 1 

 pen size of edges
forecolor 

 color 

 BLACK 

 foreground color (for axes, text)
frame 

 b 

 1 

 if plot is framed
framebackcolor 

 color 

  

 background color of frame area
framestyle 

 n 

 in=inner, out=outer frame, default based on plot type
graphbackcolor 

 color 

  

 background color of graph area
gridcolor 

 color 

 GRAY 

 grid line color
grids 

 b 

 1 1  

 if x, y grids are shown
guidesize 

 n 

 1 

 pen size of guides (axes and tic marks)
itemcolor 

 colors 

   

 item color scheme, see Plot Colors
key 

 c 

  

 key legend, see Plot Keys
keyfont 

 font 

 Courier New 25  

 key font
keypos 

 c 

 lti 

 key position
keystyle 

 n 

 0 2  

 0=horizontal 1=vertical style 0-3 positions from top left
labelfont 

 font 

 Courier New 40  

 font for labels
labels 

 b 

 1 1  

 if x,y labels shown
markers 

 c 

 markers (diamond square circle triangle plus times)
markersize 

 n 

 1 

 marker size
mesh 

 b 

 1 

 if a mesh is drawn (3D only)
orientation 

 n 

 2 

 1=portrait, 2=landscape (printing only)
penpattern 

 see plotdefs  

 patterns used by pen styles
pensize 

 n 

 1 

 pensize for lines, other than edges and guides
plotcaption 

 c 

 Plot 

 plot form caption
polar 

 b 

 0 

 if a polar plot, data is r;theta (2D only)
rtic 

  

 r tics (#major,#minor) (radar plot only)
separator 

 c 

 separator for char matrix entries
symbolcolor 

 colors 

 BLACK 

 symbol color
symbolfont 

 font 

 Symbol 40 bold  

 symbol font used in point plots
textcolor 

 color 

 BLACK 

 text color
textfont 

 c 

 Arial 40  

 text font
ticmajor 

 12 

 size of major tic marks
ticminor 

 8 

 size of minor tic marks
tics 

 1 1  

 if x, y tic marks shown
ticstyle 

 n 

 in 

 in=inner out=outer tics
title 

 c 

  

 title text
titlecolor

 color 

 BLACK 

 title color
titlefont 

 c 

 Arial 60  

 title font
type 

 c 

 line 

 plot type (see Plot Types)
viewcenter 

 0 0 0  

 position of plot center (3D only)
viewpoint 

 1.6 -2.4 1.5  

 position of observer (3D only)
viewsize

 1 1 0.5  

 relative sizes of viewbox
viewup 

 0 0 1  

 upwards direction (3D only)
visible 

 b 

 1 

 if plot is displayed
xcaption 

 c 

  

 x caption
xgridpattern 

 3 5  

 x grid pattern
xgroup 

   

 x group (multiplot only)
xint 

 n 

  

 position of x-intercept
xlabel 

 c 

  

 x labels
xlog 

 n 

 0 

 if log applied to x values
xrange 

  

 range of x data - low,high
xtic 

  

 x tic - (major interval),minor count
xticpos 

  

 x tic positions

Type   Description
b   boolean 0 or 1
c   character string
color[s]   color or color matrix - given by name or values
font   font specification
n   number
v   numeric list


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