PRECISE MEASUREMENT ON A MOBILE COMPUTING DEVICE

In an embodiment, precise measurement on a mobile computing device is facilitated with a computer comprising one or more processors; a computer readable storage medium comprising a sequence of instructions, which when executed by the one or more processors, cause the one or more processors to perform displaying, in a touch-sensitive computer display unit: an image of an object; over the image, a first reticle at a first position and a second reticle at a second position that is spaced apart from the first position; a measurement value representing a linear distance between the first reticle and the second reticle with reference to the object; one or more fine positioning icons each associated with a different direction; obtaining a selection of one of the first reticle and the second reticle as a selected reticle; obtaining user input selecting one of the fine positioning icons; in response to the user input, re-displaying the selected reticle in a new position in a particular direction associated with the selected one of the fine positioning icons.