form contour

form contour

[′fȯrm ‚kän‚tu̇r]
(mapping)
A topographic contour determined either by stereoscopic examination of aerial photographs without the use of ground control or by some other method besides conventional surveying.
References in periodicals archive ?
John Fletcher, Ex-Cell-O's North American sales manager for special products, explains that if you looked at a scroll produced by a conventional machine, you would see "glitches" along the form contour.
The pounds 3,500 device contains three pads of tiny pins, which form contours corresponding to an area on screen.