; This batch file creates rotates a three-dimensional "house".
; The example is from Chapter 11, "Plotting Multi-dimensional
; Arrays", of _Using IDL_.

; Reset any 3-D transformations that may be in use.

WINDOW, /FREE, XSIZE=300, YSIZE=300, COLORS=-16

; Initialize animation: set frame size and number of frames.
sizx = 300
sizy = 300
nframes = 16
XINTERANIMATE, SET=[sizx, sizy, nframes]

; Loop to create nframes images, rotating in the Z plane each time.
FOR i = 0, nframes - 1 DO BEGIN $
    SCALE3, AX = 75, AZ = i * 360. / nframes & $
    ERASE & $
    HOUSE & $	;Draw the house.
    SCALE3, AX = 75, AZ = i * 360. / nframes & $
    XINTERANIMATE, FRAME=i, WINDOW=!D.WINDOW & $
ENDFOR 

WDELETE
; Run the animation.
XINTERANIMATE