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Aide de Scilab >> Graphiques > axes_operations > zoom_rect

zoom_rect

zoom a selection of the current graphic figure

Calling Sequence

zoom_rect()
zoom_rect(rect)
zoom_rect(h)
zoom_rect(h,rect)

Arguments

rect

Vector of size 4 [xmin,ymin,xmax,ymax] give the rectangle to be zoomed.

h

Graphic handle of type Figure or Axes. Specify on which Axes the zoom will apply.

Description

zoom_rect function is used to perform a zoom inside a set of Axes Objects.

The h input argument specifies on which Axes the zoom will apply. If h is a Figure handle then the zoom will apply on its Axes children. If h is a Axes handle then the zoom will only apply to this handle. If h is not specified, then the zoom is performed on the current Figure.

If rect input argument is specified then the zoomed Axes zoom_box property is modified by the argument (see axes_properties). Its bounds along X and Y axis are replaced by rect. If rect is not specified zoom_rect is an interactive zoom. User is required to select a rectangle using the mouse. The new zoom_box property of zoomed axes are then computed by finding the intersections of the rectangle with their axes boxe.

Examples

clf()
x=0:0.01:6*%pi;
plot2d(x,sin(x.^2))
zoom_rect([16,-1,18,1])
//more zoom
zoom_rect([16,0,16.2,1])
//back to the original
unzoom()
// zooming using axes_properties
a=gca();
a.zoom_box=[16,0,16.2,1];
a.zoom_box=[];

//zooming subplots accordingly
clf()
x=0:0.01:6*%pi;
subplot(211)
plot2d(x,cos(x))
subplot(212)
plot2d(x,cos(2*x))
rect=[3 -2 7 10]; //a rectangle specified in the current axes (last one) coordinates
zoom_rect(rect) 
unzoom()
//set the global underlying axes as current
f=gcf();set('current_axes',f.children($)) 
rect=[0.4 0 0.6 1] //a rectangle specified in ratio of the window size
zoom_rect(rect) 
rect=[0.4 0.2 0.6 0.8]; //a rectangle specified in ratio of the window size
zoom_rect(rect)

// interactive zoom on current figure
zoom_rect();
// or
zoom_rect(gcf());

See Also

Report an issue
<< unzoom axes_operations axis >>

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Last updated:
Thu Oct 02 13:54:34 CEST 2014