Method and equipment for erasing writing path

Abstract

The invention discloses a method for erasing a writing path. The method comprises the following steps of determining an erasing distance corresponding to an erasing type selected by a user, and supplementing points for the to-be-erased writing path according to the erasing distance, wherein the distance between every two data points in the writing path after point supplementing is not greater than the erasing distance; according to the erasing path inputted by the user and an erasing scheme, determining an erasing area in the writing path after point supplementing; according to a preset erasing algorithm, erasing the erasing area. The method has the advantages that by supplementing the points of the to-be-erased area, the writing path in the to-be-erased area can be accurately erased by the existing erasing type, and the erasing accuracy of an electronic white board in the erasing process is effectively improved.

Description

technical field [0001] The invention relates to the field of digital drawing, in particular to a writing path erasing method and equipment. Background technique [0002] The interactive electronic whiteboard can communicate with the computer, connect the electronic whiteboard to the computer, and use the projector to project the content on the computer to the electronic whiteboard screen. With the support of special applications, a large screen, interactive style collaborative meeting or teaching environment. Use a specific positioning pen instead of the mouse to operate on the whiteboard, run any application, edit, annotate, save files, and any operations that can be achieved with the keyboard and mouse on the computer. [0003] Interactive electronic whiteboards are mainly divided into four types according to technical principles: pressure-sensitive electronic whiteboards, electromagnetic electronic whiteboards, infrared electronic whiteboards, and optical electronic whit...

AI Technical Summary

Problems solved by technology

[0006] In view of the problems existing in the background technology, the present invention provides a writing path erasing method, by supplementing the missing data points between adjacent data points in the writing path when erasing the writing path, which solves the problem of The problem that the distance between adjacent data points in the writing path is too large and cannot be erased due to reasons such as writing too fast and inaccurate electronic whiteboard sensing has effectively improved the erasing accuracy of the electronic whiteboard during the erasing process and improved the user's convenience. experience effect

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