Читать книгу Computer Aided Design and Manufacturing - Zhuming Bi - Страница 45

Figure 2.12a shows an object in the coordinate system (O‐XYZ) with the specified set of vertices as follows:

Figure 2.12 Reflection coordinate transformation matrices of an object. (a) Object at the original position. (b) Reflected object about the XY plane. (c) Reflected object about the YZ plane. (d) Reflected object about the YZ plane.

Determine the reflected objects about the XY, YZ, XZ planes, respectively.