On-screen area display method and device

Abstract

The invention relates to the field of on-screen area display and in particular relates to an on-screen area display method and device. The method comprises the following steps: S101, dividing a display area in a same screen into a writing area and a display area; S102, receiving a writing track by the writing area obtained in the step S101, and displaying the track in the display area obtained in the step S101 through panning and zooming matrix transformation in 2D matrix transformation. By dividing the display area in the same screen into the writing area and the display area and displaying the track received by the writing area in the display area through panning and zooming transformation matrixes in 2D transformation matrixes, the on-screen area display effect is achieved, a teaching staff cannot block the written content in a writing process, students can see the written content and extract useful information while the teaching staff does writing, and the waste of teaching time is avoided.

Description

technical field [0001] The invention relates to the field of same-screen partition display, in particular to a method and device for same-screen partition display. Background technique [0002] In the teaching process of contemporary primary and secondary schools, and even colleges and universities, electronic whiteboards are becoming more and more popular and becoming an indispensable daily teaching tool. However, there are often some problems in the process of using whiteboards, such as: [0003] 1. The whiteboard is too high and the height of the teaching staff is limited, so the upper area of ​​the whiteboard cannot be used normally; [0004] 2. During the writing process of the teaching staff, the written content is often blocked, and the students cannot read the written content until the writing is completed, and then extract useful information, which often results in a waste of teaching time. [0005] The importance of electronic teaching is well known, therefore, it...

AI Technical Summary

Problems solved by technology

[0003] 1. The whiteboard is too high and the height of the teaching staff is limited, so the upper area of ​​the whiteboard cannot be used normally;

[0004] 2. During the writing process of teaching staff, the written content is often blocked, and the students cannot read the written content until the writing is completed, and then extract useful information, which often results in a waste of teaching time

Images