v
5.2.2. Classification of Surfaces and Lines in
Orthographic Projections ................................ 82
5.2.3. Precedence of Lines .................................... 89
5.3. Pictorial Projections .............................................. 90
5.3.1. Isometric Projection ..................................... 94
5.3.2. Isometric Drawing ........................................ 96
Chapter 6: Sectioning .......................................................... 101
6.1. Sectional Views .................................................... 101
6.2. How Sections Are Shown ..................................... 106
6.3. Multsection Views ................................................ 109
Chapter 7: Projection of Points, Lines and Planes .............. 116
7.1. Introduction .......................................................... 117
7.2. Reference Planes ................................................. 118
7.3. Projection of Point ................................................ 119
7.4. Lines in Space ...................................................... 120
7.4.1. Classification Of Lines In Orthographic
Projections ................................................ 121
7.4.2 Orthographic Projection Of A Line ............... 124
7.4.3. True Size (Shape) Of An Oblique Plane .... 146
Chapter 8: Dimensioning ..................................................... 149
8.1. Introduction .......................................................... 149
8.2. Definitions ............................................................ 150
8.3. Steps in Dimensioning .......................................... 152
8.4. Where to Put Dimensions ..................................... 153
Chapter 9: Mapping ............................................................. 159
9.1. Introduction .......................................................... 159
9.2. Definition ............................................................. 160
9.3. Purpose ................................................................ 161
9.4. Classification of Maps .......................................... 162
9.5. Sketch Map .......................................................... 166
9.6. Materials Used In a Sketch Mapping For Field or
Office Use ............................................................ 172
9.7. Procedures for Making a Sketch Map ................. 172