Measuring and Computing
The visual angle can be measured directly using a theodolite placed at point .
Or, it can be calculated using the formula, .
However, for visual angles smaller than about 10 degrees, this simpler formula provides very close approximations:
Read more about this topic: Visual Angle
Famous quotes containing the word measuring:
“By measuring individual human worth, the novelist reveals the full enormity of the State’s crime when it sets out to crush that individuality.”
—Ian McEwan (b. 1938)