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# 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`

funtion 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

- unzoom — unzoom graphics
- axes_properties — description of the axes entity properties

### Authors

Serge Steer INRIA

Jean-Baptiste Silvy INRIA

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