average gradient


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average gradient

[′av·rij ′grād·ē·ənt]
(graphic arts)
A measure of contrast in a photographic image, expressed as the slope of a straight line joining two density points on the sensitometric curve.
References in periodicals archive ?
The average gradient is 18-20 percent, depending on where you start the calculation.
Average gradient is a measure which represents clarity of an image.
The road climbs 4,618 ft from an altitude of 1,527 ft with an average gradient of 11.
This year's penultimate stage sees the riders climb the notorious Mont Ventoux, 13 miles with an average gradient of 7.
The course is just over a mile long with an average gradient of 20% or 1-in-5 and an elevation of nearly 200m.
The average gradient is one in eight and it reaches to within 66ft of the summit.
5km at an average gradient of 7%, and represented the last chance for the American's rivals to mount a serious challenge.
Mr Annett said, 'This year the Etape du Tour involved over 4,000 metres of climbing, including Puy Mary which goes up to 1,589 metres for five-and-a-half kilometres at an average gradient of 8%.

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