Novak Druce Connolly Bove + Quigg LLP
Computing device and method for establishing three dimensional coordinate system using graphics
In a method for establishing a three-dimensional coordinate system, the method establishes an original coordinate system in a design drawing of a product, and draws a hollow cube. Faces of the hollow cube are marked with different directions. Using the hollow cube, the method calculates a first matrix for correcting the original coordinate system according to a selected plane from the design drawing. The method also calculates a second matrix for correcting the original coordinate system according to a selected line, and calculates a third matrix for correcting the original coordinate system according to a selected point or a center of a selected circle. By multiplying the three matrixes, a new matrix is generated to establish a new coordinate system, which is displayed on a display screen.
Hon Hai Precision Industry Co., Ltd. Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.
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Wei Chih-Kuang Xin-Yuan
Wang Chang Wu