coordinate projection transformation

基本解释

As an important part of GIS platform, spatial reference system includes coordinate transformation and map projection, also named as Map projection transformation system.
GIS中的空间参照系统是GIS平台中的重要组成部分，内容包括各种坐标系统的转换和地图投影，故也称为投影变换系统。
Using axonometric projection method, the computer simulation of the dimensional electrostaticfieldis realized through the planar projection transformation of three-dimensional coordinate.
采用轴测投影法，通过三维坐标的二维投影变换，实现空间静电场的计算机模。
Projection transformation in any axis of 3D camber on a display coordinate is realized by using homogeneous transfer matrix, visual information of grinding and process is provided for user.
用齐次变换矩阵实现了三维空间曲面在屏幕坐标上的任意轴测投影变换，为使用者提供了直观形象的加工工况和加工进度信息；