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Scilab help >> Graphics > rubberbox


Rubberband box for rectangle selection

Calling Sequence

[final_rect,btn]=rubberbox(initial_rect, edition_mode)



vector with two or four entries. With four entries it gives the initial rectangle defined by [x_min, y_max, width, height], with two entries width and height are supposed to be 0.


a boolean, if edition_mode is %t button press selects the first corner, release selects the opposite corner. If edition_mode is %f, a button press or click selects the first corner, a click is requested to select the opposite corner. The default value is %f.


a rectangle defined by [x_min, y_max, width, height]


an integer, the number of the mouse button clicked


rubberbox(initial_rect) tracks a rubberband box in the current graphic window, following the mouse. When a button is clicked rubberbox returns the final rectangles definition in final_Rect. If the argument initial_rect is not specified, a click is needed to fix the initial corner position.


a = gca();
db = a.data_bounds;
x0 = (db(1)*2+db(2))/3;
dx = (db(2)-db(1))/3;
y0 = (db(3)+db(4)*2)/3;
dy = (db(4)-db(3))/3;
disp(gettext("With an initial starting corner:"))
r = rubberbox([x0 y0])
disp(gettext("With an initial box:"))
r = rubberbox([x0-dx/4 y0+dy/5 2*dx dy])
disp(gettext("In press -- drag -- release mode selection:"))
r = rubberbox(%t)
disp(gettext("In starting click -- drag -- stopping click mode selection:"))
r = rubberbox()

See Also

  • xrect — draw a rectangle
  • xrects — draw or fill a set of rectangles
  • xclick — Wait for a mouse click or an event in a graphic window.
  • xgetmouse — get the mouse events and current position
  • dragrect — Drag rectangle(s) with mouse
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Last updated:
Mon Oct 01 17:34:55 CEST 2012