Creation of geometries by Coordinate system methods using AutoCad

Aim: to draw the given geometires using different coordinate methods in Autocad

Procedure:

1. P-1

a) Absolute Coordinate system: in this the distances are measured from origin.

Procedure:

1. Type the command "L" for line and give coordinates for point 1 (2,1).

2. Type the next coordinate of point 2 (2,7) in the command box.

3. Type the next coordinate of point 3 (8,7) in the command box.

4. Type the next coordinate of point 4 (8,6) in the command box.

5. Type the next coordinate of point 5 (3,6) in the command box.

6. Type the next coordinate of point 6 (3,2) in the command box.

7. Type the next coordinate of point 7 (8,2) in the command box.

8. Type the next coordinate of point 8 (8,1) in the command box.

9. Enter or click on the command close.

Result:

b) Relative rectangular coordinate system: in this the coordinates are measured from the previous point.

Procedure:

1. Type the command "L" for line and give coordinates for point 1 (2,1).

2. Type the next coordinate of point 2 (@0,6) in the command box.

3. Type the next coordinate of point 3 (@6,0) in the command box.

4. Type the next coordinate of point 4 (@0,-1) in the command box.

5. Type the next coordinate of point 5 (@-5,0) in the command box.

6. Type the next coordinate of point 6 (@0,-4) in the command box.

7. Type the next coordinate of point 7 (@5,0) in the command box.

8. Type the next coordinate of point 8(@0,-1) in the command box.

9. Enter or click on the command close.

Result:

c) Polar coordinate system: in this the coordinate and the angle with respect to x axis is given.

Procedure:

1. Type the command "L" for line and give coordinates for point 1 (2,1).

2. Type the next coordinate of point 2 (@6<90) in the command box.

3. Type the next coordinate of point 3 (@6<0) in the command box.

4. Type the next coordinate of point 4 (@1<270) in the command box.

5. Type the next coordinate of point 5 (@5<180) in the command box.

6. Type the next coordinate of point 6 (@4<270 in the command box.

7. Type the next coordinate of point 7 (@5<0) in the command box.

8. Type the next coordinate of point 8(@1<270) in the command box.

9. Enter or click on the command close.

Result:

2. P-2

a) Absolute coordinate system:

Procedure:

1. Type the command "L" for line and give coordinates for point 1 (2,1).

2. Type the next coordinate of point 2 (5,1) in the command box.

3. Type the next coordinate of point 3 (5,5) in the command box.

4. Type the next coordinate of point 4 (6,5) in the command box.

5. Type the next coordinate of point 5 (6,1) in the command box.

6. Type the next coordinate of point 6 (9,1) in the command box.

7. Type the next coordinate of point 7 (7,8) in the command box.

8. Type the next coordinate of point 8(4,8) in the command box.

9. Enter or click on the command close.

Result:

b) Relative rectangular coordinate system:

Procedure:

1.Type the command "L" for line and give coordinates for point 1 (2,1).

2. Type the next coordinate of point 2 (@3,0) in the command box.

3. Type the next coordinate of point 3 (@0,4) in the command box.

4. Type the next coordinate of point 4 (@1,0) in the command box.

5. Type the next coordinate of point 5 (@0,-4) in the command box.

6. Type the next coordinate of point 6 (@3,0) in the command box.

7. Type the next coordinate of point 7 (@-2,7) in the command box.

8. Type the next coordinate of point 8(@-3,0) in the command box.

9. Enter or click on the command close.

Result:

c) Polar coordinate system:

1. Type the command "L" for line and give coordinates for point (2,1).

2. Type the next coordinate of point 2 (@3<0) in the command box.

3. Type the next coordinate of point 3 (@4<90) in the command box.

4. Type the next coordinate of point 4 (@1<0) in the command box.

5. Type the next coordinate of point 5 (@4<270) in the command box.

6. Type the next coordinate of point 6 (@3<0) in the command box.

7. Type the next coordinate of point 7 (@7.28<105.95) in the command box.

8. Type the next coordinate of point 8(@3<180) in the command box.

9. Type the next coordinate of point 9(@7.28<254.058) in the command box.

10. Enter or click on the command close.

Result:

3. P-4

a) Absolute coordinate system:

Procedure:

1. Type the command "L" for line and give coordinates for point 1 (2,1).

2. Type the next coordinate of point 2 (2,8) in the command box.

3. Type the next coordinate of point 3 (3,8) in the command box.

4. Type the next coordinate of point 4 (5,5) in the command box.

5. Type the next coordinate of point 5 (7,8) in the command box.

6. Type the next coordinate of point 6 (8,8) in the command box.

7. Type the next coordinate of point 7 (8,1) in the command box.

8. Type the next coordinate of point 8 (7,1) in the command box.

9. Type the next coordinate of point 9 (7,5) in the command box.

10. Type the next coordinate of point 10 (5,3) in the command box.

11. Type the next coordinate of point 11 (3,5) in the command box.

12. Type the next coordinate of point 12 (3,1) in the command box.

13. Enter or click on the command close.

Result:

b) Relative rectangular coordinate:

Procedure:

1. Type the command "L" for line and give coordinates for point 1 (2,1).

2. Type the next coordinate of point 2 @0,7 in the command box.

3. Type the next coordinate of point 3 @1,0 in the command box.

4. Type the next coordinate of point 4 @2,-3 in the command box.

5. Type the next coordinate of point 5 @2,3 in the command box.

6. Type the next coordinate of point 6 @1,0 in the command box.

7. Type the next coordinate of point 7 @0,-7 in the command box.

8. Type the next coordinate of point 8 @-1,0 in the command box.

9. Type the next coordinate of point 9 @0,4 in the command box.

10. Type the next coordinate of point 10 @-2,-2 in the command box.

11. Type the next coordinate of point 11 @-2,2 in the command box.

12. Type the next coordinate of point 12 @0,-4 in the command box.

13. Enter or click on the command close.

Result:

4. P-5

a) Absolute coordinate system:

Procedure:

1. Type the command "L" for line and give coordinates for point 1 (2,1).

2. Type the next coordinate of point 2 (2,9) in the command box.

3. Type the next coordinate of point 3 (9,9) in the command box.

4. Type the next coordinate of point 4 (9,1) in the command box.

5. Type the next coordinate of point 5 (5,1) in the command box.

6. Type the next coordinate of point 6 (5,2) in the command box.

7. Type the next coordinate of point 7 (8,2) in the command box.

8. Type the next coordinate of point 8 (8,8) in the command box.

9. Type the next coordinate of point 9 (3,8) in the command box.

10. Type the next coordinate of point 10 (3,1) in the command box.

11. Enter or click on the command close.

Result:

b) Relative rectangular coordinate:

Procedure:

1. Type the command "L" for line and give coordinates for point 1 (2,1).

2. Type the next coordinate of point 2 @0,8 in the command box.

3. Type the next coordinate of point 3 @7,0 in the command box.

4. Type the next coordinate of point 4 @0,-8 in the command box.

5. Type the next coordinate of point 5 @-4,0 in the command box.

6. Type the next coordinate of point 6 @0,1 in the command box.

7. Type the next coordinate of point 7 @3,0 in the command box.

8. Type the next coordinate of point 8 @0,6 in the command box.

9. Type the next coordinate of point 9 @-5,0 in the command box.

10. Type the next coordinate of point 10 @0,-7 in the command box.

11. Enter or click on the command close.

Result:

5. P-7

a) Absolute coordinate system:

Procedure:

1. Type the command "L" for line and give coordinates for point 1 (2,1).

2. Type the next coordinate of point 2 (2,7) in the command box.

3. Type the next coordinate of point 3 (10,7) in the command box.

4. Type the next coordinate of point 4 (10,1) in the command box.

5. Enter or click on the command close.

6. Type the command "L" for line and give coordinates for point 5 (3,2).

7. Type the next coordinate of point 6 (3,5) in the command box.

8. Type the next coordinate of point 7 (5,5) in the command box.

9. Type the next coordinate of point 8 (5,2) in the command box.

10. Enter or click on the command close.

11. Type the command "L" for line and give coordinates for point 9 (6,2).

12. Type the next coordinate of point 10 (6,5) in the command box.

13. Type the next coordinate of point 11 (8,5) in the command box.

14. Type the next coordinate of point 12 (8,2) in the command box.

15. Enter or click on the command close.

Result:

b) Relative rectangular coordinate system:

Procedure:

1. Type the command "L" for line and give coordinates for point 1 (2,1).

2. Type the next coordinate of point 2 @0,7 in the command box.

3. Type the next coordinate of point 3 @8,0 in the command box.

4. Type the next coordinate of point 4 @0,-7 in the command box.

5. Enter or click on the command close.

6. Type the command "L" for line and give coordinates for point 5 (3,2).

7. Type the next coordinate of point 6 @0,3 in the command box.

8. Type the next coordinate of point 7 @2,0 in the command box.

9. Type the next coordinate of point 8 @0,-3 in the command box.

10. Enter or click on the command close.

11. Type the command "L" for line and give coordinates for point 9 (6,2).

12. Type the next coordinate of point 10 @0,3 in the command box.

13. Type the next coordinate of point 11 @2,0 in the command box.

14. Type the next coordinate of point 12 @0,-3 in the command box.

15. Enter or click on the command close.

Result:

6. P-8

a) Absolute coordinate system:

Procedure:

1. Type the command "L" for line and give coordinates for point 1 (0,0).

2. Type the next coordinate of point 2 (0,2) in the command box.

3. Type the next coordinate of point 3 (4,2) in the command box.

4. Type the next coordinate of point 4 (4,6) in the command box.

5. Type the next coordinate of point 5 (1,6) in the command box.

6. Type the next coordinate of point 6 (1,8) in the command box.

7. Type the next coordinate of point 7 (9,8) in the command box.

8. Type the next coordinate of point 8 (9,6) in the command box.

9. Type the next coordinate of point 9 (6,6) in the command box.

10. Type the next coordinate of point 10 (6,2) in the command box.

11. Type the next coordinate of point 11 (10,2) in the command box.

12. Type the next coordinate of point 12 (10,0) in the command box.

13. Enter or click on the command close.

Result:

b) Relative rectangular coordinate:

Procedure:

1. Type the command "L" for line and give coordinates for point 1.(0,0).

2. Type the next coordinate of point 2 @0,2 in the command box.

3. Type the next coordinate of point 3 @4,0 in the command box.

4. Type the next coordinate of point 4 @0,4 in the command box.

5. Type the next coordinate of point 5 @-3,0 in the command box.

6. Type the next coordinate of point 6 @0,2 in the command box.

7. Type the next coordinate of point 7 @8,0 in the command box.

8. Type the next coordinate of point 8 @0,-2 in the command box.

9. Type the next coordinate of point 9 @-3,0 in the command box.

10. Type the next coordinate of point 10 @0,-4 in the command box.

11. Type the next coordinate of point 11 @4,0 in the command box.

12. Type the next coordinate of point 12 @0,-2 in the command box.

13. Enter or click on the command close.

Result:

7. P-9

a) Absolute coordinate system:

Procedure:

1. Type the command "L" for line and give coordinates for point 1 (1,1).

2. Type the next coordinate of point 2 (1,8) in the command box.

3. Type the next coordinate of point 3 (5,6) in the command box.

4. Type the next coordinate of point 4 (5,4) in the command box.

5. Type the next coordinate of point 5 (2,4) in the command box.

6. Type the next coordinate of point 6 (2,2) in the command box.

7. Type the next coordinate of point 7 (3,2) in the command box.

8. Type the next coordinate of point 8 (3,3) in the command box.

9. Type the next coordinate of point 9 (6,3) in the command box.

10. Type the next coordinate of point 10 (6,1) in the command box.

11. Enter or click on the command close.

Result:

b) Relative rectangular coordinate:

Procedure:

1. Type the command "L" for line and give coordinates for point 1 (1,1).

2. Type the next coordinate of point 2 @0,7 in the command box.

3. Type the next coordinate of point 3 @4,-2 in the command box.

4. Type the next coordinate of point 4 @0,-2 in the command box.

5. Type the next coordinate of point 5 @-3,0 in the command box.

6. Type the next coordinate of point 6 @0,-2 in the command box.

7. Type the next coordinate of point 7 @1,0 in the command box.

8. Type the next coordinate of point 8 @0,1 in the command box.

9. Type the next coordinate of point 9 @3,0 in the command box.

10. Type the next coordinate of point 10 @0,-2 in the command box.

11. Enter or click on the command close.

Result:

8. P-10

a) Absolute coordinate system:

Procedure:

1. Type the command "L" for line and give coordinates for point 1 (1,1).

2. Type the next coordinate of point 2 (1,8) in the command box.

3. Type the next coordinate of point 3 (6,8) in the command box.

4. Type the next coordinate of point 4 (6,4) in the command box.

5. Type the next coordinate of point 5 (3,4) in the command box.

6. Type the next coordinate of point 6 (3,1) in the command box.

7. Enter or click on the command close.

8. Type the command "L" for line and give coordinates for point 7 (2,5)

9. Type the next coordinate of point 8 (2,7) in the command box.

10. Type the next coordinate of point 9 (5,7) in the command box.

11. Type the next coordinate of point 10 (5,5) in the command box.

12. Enter or click on the command close.

Result:

b) Relative rectangular coordinate:

Procedure:

1. Type the command "L" for line and give coordinates for point 1 (0,0).

2. Type the next coordinate of point 2 @0,7 in the command box.

3. Type the next coordinate of point 3 @5,0 in the command box.

4. Type the next coordinate of point 4 @0,-4 in the command box.

5. Type the next coordinate of point 5 @3,0 in the command box.

6. Type the next coordinate of point 6 @0,-3 in the command box.

7. Enter or click on the command close.

8. Type the command "L" for line and give coordinates for point 7 (2,5)

9. Type the next coordinate of point 8 @0,2 in the command box.

10. Type the next coordinate of point 9 @3,0 in the command box.

11. Type the next coordinate of point 10 @0,-2 in the command box.

12. Enter or click on the command close.

Result:

9. Profile wood

Absolute coordinate system is used:

Procedure:

1. Type the command "L" for line and give coordinates for point 1 (0,0).

2. Type the next coordinate of point 2 (10,0) in the command box.

3. Type the next coordinate of point 3 (10,1) in the command box.

4. Type the next coordinate of point 4 (8,1) in the command box.

5. Type the next coordinate of point 5 (8,5) in the command box.

6. Type the next coordinate of point 6 (10,5) in the command box.

7. Type the next coordinate of point 7 (2,7) in the command box.

8. Type the next coordinate of point 8 (5,9) in the command box.

9. Type the next coordinate of point 9 (0,6) in the command box.

10.Type the next coordinate of point 10 (2,6) in the command box.

11. Type the next coordinate of point 11 (2,1) in the command box.

12. Type the next coordinate of point 12 (0,1) in the command box.

13. draw a circle of radius 2 for the coordinate of point 13 at centre point (5,4)

Result:

10. Queen post truss

Absolute coordinate system is used:

Procedure:

1. Type the command "L" for line and give coordinates for point 1 (1,1).

2. Type the next coordinate of point 2 (1,5) in the command box.

3. Type the next coordinate of point 3 (8,5) in the command box.

4. Type the next coordinate of point 4 (8,1) in the command box.

5. Enter or click on the command close.

6. Go back to the point 2 and give coordinate of point 5 (4.5,8.5)

7. Type the next coordinate of point 6 (8,5) in the command box.

8. Type the next coordinate of point 7 (2,5) in the command box.

9. Type the next coordinate of point 8 (2,6) in the command box.

10.Type the next coordinate of point 9 (4.5,5) in the command box.

11. Type the next coordinate of point 10 (7,5) in the command box.

12. Type the next coordinate of point 11 from (4.5,5) to (4.5,8.5) in the command box.

Result:

11. Monopitch:

Relative rectangular coordinate system is used:

Procedure:

1. Type the command "L" for line and give coordinates for point 1 (1,1).

2. Type the next coordinate of point 2 @6,2 in the command box.

3. Type the next coordinate of point 3 @0,-2 in the command box.

4. Enter or click on the command close.

5. Type the command "L" for line and give coordinates for point 4 (3,1).

6. Type the next coordinate of point 5 @0,0.667 in the command box.

7. Type the next coordinate of point 6 @2,-0.667 in the command box.

8. Type the next coordinate of point 7 @0,1.333 in the command box.

9. Type the next coordinate of point 8 @2,-1.333 in the command box.

Result: