点的投影知识.docxVIP

点的投影知识

目录

1.点的投影概述............................................3

1.1投影基础知识.........................................4

1.2投影的基本类型.......................................5

1.3点的投影在工程中的应用...............................6

2.点的连续投影............................................7

2.1直线上的点的投影.....................................9

2.2平面上的点的投影.....................................9

2.3空间中点的投影......................................10

3.点的投影和平面的关系...................................11

3.1平面上点的正投影....................................12

3.2平面上点的侧投影....................................12

3.3平面上点的斜投影....................................13

4.点的投影和直线的关系...................................14

4.1直线上点的投影......................................15

4.2直线交点的投影......................................16

4.3直线上两点间的投影关系..............................17

5.点的三视图投影.........................................18

5.1主视图投影..........................................19

5.2俯视图投影..........................................20

5.3左视图投影..........................................21

6.点的特殊位置的投影.....................................22

6.1一般位置点的投影....................................22

6.2特殊位置点的投影....................................23

6.3常见的特殊位置点的投影特性..........................25

7.点的投影实例分析.......................................26

7.1简单工件的投影问题..................................27

7.2复杂工件的投影问题..................................27

8.点的投影相关理论.......................................29

8.1相交直线的投影......................................29

8.2求解平行线的投影....................................30

8.3基于投影的几何关系..................................31

9.点的投影的实际应用案例.................................32

9.1建筑工程中的应用....................................34

9.2工业设计中的应用....................................35

9.3机械工程中的应用....................................36

10.点的投影学习与实践....................................37

10.1投影学习方法.......................................38

10.2实践操作指南................