1. Engineering Graphics 2018-19-I
Lecture 2
TA101A
Engineering Graphics I By
Dr. Mukesh Sharma
Professor
DEPARTMENT OF CIVIL ENGINEERING
Lecture 2
INDIAN INSTITUTE OF TECHNOLOGY KANPUR
KANPUR , INDIA

2. Please note your day for laboratory session
Revised Schedule
Lectures
Tuesday, Thursday
hrs
L20
Laboratory Session
Monday; A1, A2, A3
hrs
Drawing Hall
Tuesday; A4, A5, A6, A13
Wednesday; A10, A11, A12, A14
Thursday; A7, A8, A9
Please note your day for laboratory session
Please visit Pingala website to find your section

3. 2 3 4 1

4. Perspective Projection Observer Object
PICTURE
PLANE
Perspective Projection
Observer
Object
All dimensions are foreshortened – size function of where is the picture plane?
Pleasing to eyes; draw what we see; camera does the same
Is it a good idea?
What happens if the observer is at infinite distance?
Now, does the position of picture plane matter?

5. Describe the Shape: Theory of Projections

6. Orthographic Projection Improvement? Is Object fully defined?
Orthographic View
PARALLEL
Projectors
Orthographic Projection
Improvement? Is Object fully defined?

7. Planes of Projection

8. Revolution of the planes of projection

9. Planes revolved into the plane of the paper

10. Obtaining three views of an object

11. Position of views

12. Glass box

13. Opening the glass box

14. Six views of an object on a sheet of drawing paper