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中的空間蓡照系統是GIS平台中的重要組成部分，內容包括各種坐標系統的轉換和地圖投影，故也稱爲投影變換系統。
Using axonometric projection method, the computer simulation of the dimensional electrostaticfieldis realized through the planar projection transformation of three-dimensional coordinate.
採用軸測投影法，通過三維坐標的二維投影變換，實現空間靜電場的計算機模。
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.
用齊次變換矩陣實現了三維空間曲麪在屏幕坐標上的任意軸測投影變換，爲使用者提供了直觀形象的加工工況和加工進度信息；