TITLE

基于 OpenGL 的三维模型点坐标拾取方法

AUTHOR(S)
施珂奕; 邓春健; 邹昆
PUB. DATE
July 2016
SOURCE
Chinese Journal of Liquid Crystal & Displays;Jul2016, Vol. 31 Issue 7, p708
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
To pick-up a specified coordinate of a point is a basic operation for a 3D model file. Aimed at the shortages of traditional methods about 3D picking, a new method, which points at getting the original coordinate of specified point, is proposed. During picking, rotation at any angle is allowed. So points either on the side or on the back can be selected. And rotation matrix is used to restore points to their original state.The method transform the two-dimensional pixel coordinate to 3D model coordinate then to original model coordinate. All the points on visible surface can be picked precisely by this method and thus the flexibility is improved.
ACCESSION #
118054386

 

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