Terms of Painting. Other building types include thatched dwellings suitable for villages in summer landscapes, whose windows can be shaded or open to the sun, and buildings placed against steep cliffs at the bends of rivers. What he requires is a highly exact and meticulous attention to the composition of each image, to the minute definition of details, to the choice of objects, to the lighting and atmosphere, all in order to attain the desired degree of vagueness. There is, however, a distinction between them which should be clear to the surveyor. Precision implies refinement of measurements or closeness in agreement between several measurements, whereas accuracy implies correctness or freedom from mistakes and from carelessness.
Precision is of no significance unless accuracy is also obtained.
A line may be measured in two directions to the nearest hundredth of a foot. The two measurements may be 247.62 and 248.63 ft. The hundredths in these recorded measurements indicate precision, but the fact that there is a foot difference shows clearly that a careless mistake has entered into at least one of the measurements. The temptation to draw accurately with pen and ink, because the medium allows if not promotes it, is often an impediment to the process of representation. The following drawings were made with a great deal of precision, but are highly inaccurate, as a comparison with the photographs reveals.