A touch screen human-computer interaction precise positioning and measurement method

Abstract

The invention relates to a precise positioning and measurement method for human-computer interaction on a touch screen. A movable control including a pressing area and a pointer is created on the display interface of the touch screen, and the pressing area of ​​the movable control is placed on the touch screen. The actual display area on the screen is larger than the area where the user's finger is in contact with the touch screen, so that when the user's finger presses the pressing area of ​​the movable control, the line of sight between the user and the pointer of the movable control will not be blocked by the user's finger; And when the user moves the pressing area of ​​the movable control by operating the pressing area of ​​the movable control, the pointer of the movable control moves along with the pressing area of ​​the movable control. In this way, it is convenient for users to perform operations that require precise positioning input on mobile handheld terminals using small touch screens, and the operation methods for editing or measuring engineering design drawings are similar to those on desktop computers and can achieve a similar degree of convenience.

Description

technical field [0001] The present invention relates to a human-computer interaction technology, in particular to a method for precisely positioning the user's finger input position during the human-computer interaction process on the touch screen, and using the precise positioning method to measure the size of design drawings Methods. Specifically, the design drawing may be an engineering design drawing, such as an AutoCAD design drawing or a PDF format drawing. Background technique [0002] With the rapid development of mobile terminal technology, there is a need to view and even edit engineering design drawings on mobile handheld terminals. The display area itself is small. For example, a mobile phone generally has a screen of 4-7 inches, and the content and details that can be displayed are limited. When the finger is touched, due to the limitation of the principle of the touch screen, the finger will block the current input position. And the adjacent touch area, so th...

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