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Scilab Help >> Graphics > xsetech

xsetech

set the sub-window of a graphics window for plotting

Calling Sequence

xsetech(wrect, [frect, logflag])
xsetech(wrect=[...], frect=[..], logflag="..", arect=[...])
xsetech()

Arguments

wrect

a vector of size 4, defining the sub-window to use.

frect

a vector of size 4.

logflag

a string of size 2 "xy", where x and y can be "n" or "l". "n" stands for normal and "l" stands for logscale. x stands for the x-axis and y stands for the y-axis.

arect

a vector of size 4.

Description

xsetech is mainly used to set the sub-window of the graphics window which will be used for plotting. The sub-window is specified with the parameter wrect=[x,y,w,h] (upper-left point, width, height). The values in wrect are specified using proportion of the width or height of the current graphic window. For instance wrect=[0, 0, 1, 1] means that the whole graphics window will be used, and wrect=[0.5, 0, 0.5, 1] means that the graphics region will be the right half of the graphics window.

xsetech also set the current graphics scales for 2D plotting and can be used in conjunction with graphics routines which request the current graphics scale (for instance strf="x0z" or frameflag=0 in plot2d).

frect=[xmin, ymin, xmax, ymax] is used to set the graphics scale and is just like the rect argument of plot2d. If frect is not given the current value of the graphic scale remains unchanged. the default value of rect is [0,0,1,1] (at window creation, when switching back to default value with xset('default') or when clearing graphic recorded events clf()).

arect=[x_left, x_right,y_up,y_down] is used to set the graphic frame inside the sub-window. The graphic frame is specified (like wrect) using proportion of the width or height of the current graphic sub-window. Default value is 1/8*[1,1,1,1]. If arect is not given, current value remains unchanged.

Examples

// To get a graphical explanation of xsetech parameters enter:
exec('SCI/modules/graphics/demos/xsetechfig.sce');

// Here xsetech is used to split the graphics window in two parts 
// first xsetech is used to set the first sub-window
// and the graphics scale 
xsetech([0,0,1.0,0.5],[-5,-3,5,3])
// we call plot2d with the "001" option to use the graphics scale 
// set by xsetech 
plot2d([1:10]',[1:10]',1,"001"," ")
// then xsetech is used to set the second sub-window
xsetech([0,0.5,1.0,0.5])
// the graphics scale is set by xsetech to [0,0,1,1] by default 
// and we change it with the use of the rect argument in plot2d 
plot2d([1:10]',[1:10]',1,"011"," ",[-6,-6,6,6])
// Four plots on a single graphics window 
clf()
xset("font",2,0)
xsetech([0,0,0.5,0.5]);
plot3d()
xsetech([0.5,0,0.5,0.5]);
plot2d()
xsetech([0.5,0.5,0.5,0.5]);
grayplot()
xsetech([0,0.5,0.5,0.5]);
histplot()
// back to default values for the sub-window
xsetech([0,0,1,1])
// One plot with changed arect 
clf()
xsetech(arect=[0,0,0,0]) 
x=1:0.1:10;plot2d(x',sin(x)')
clf()
xsetech(arect=[1/8,1/8,1/16,1/4])
x=1:0.1:10;plot2d(x',sin(x)')
clf()

See Also

  • xgetech — get the current graphics scale
  • subplot — divide a graphics window into a matrix of sub-windows
  • 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)
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Last updated:
Fri Apr 11 14:06:54 CEST 2014