Creation of geometries by Coordinate system methods using AutoCad

Aim:- Creation of geometries by Coordinate system methods using AutoCad

Objective:-

• To learn basic geometric designs used in building drawings.
• To get proficient in AutoCAD.
• Learn to read structural drawings, units and dimensions.
• To learn different co-ordinate systems in AutoCAD.

Steps for P-1 :-

• Using Absolute Co-ordinate System

1. Select the line tool by entering LINE command.
2. Specify the starting co-ordinate of point-1 as 2,1 in the command line.
3. Specify the next co-ordinate of point-2 as 8,1 in the command line.
4. Specify the next co-ordinate of point-3 as 8,2 in the command line.
5. Specify the next co-ordinate of point-4 as 3,2 in the command line.
6. Specify the next co-ordinate of point-5 as 3,6 in the command line.
7. Specify the next co-ordinate of point-6 as 8,6 in the command line.
8. Specify the next co-ordinate of point-7 as 8,7 in the command line.
9. Specify the next co-ordinate of point-8 as 2,7 in the command line.
10. Click Close on the command line to finish the figure.
11. Select DIMLINEAR on the command line and mark the dimensions.

Results:-

Steps for P-2 :-

• Using Absolute Co-ordinate System

1. Select the line tool by entering LINE command.
2. Specify the starting co-ordinate of point-1 as 2,1 in the command line.
3. Specify the next co-ordinate of point-2 as 5,1 in the command line.
4. Specify the next co-ordinate of point-3 as 5,5 in the command line.
5. Specify the next co-ordinate of point-4 as 6,5 in the command line.
6. Specify the next co-ordinate of point-5 as 6,1 in the command line.
7. Specify the next co-ordinate of point-6 as 9,1 in the command line.
8. Specify the next co-ordinate of point-7 as 7,8 in the command line.
9. Specify the next co-ordinate of point-8 as 4,8 in the command line.
10. Click Close on the command line to finish the figure.
11. Select DIMLINEAR on the command line and mark the dimensions.

Results:-

Steps for P-3 :-

• Using Absolute Co-ordinate System

1. Select the line tool by entering LINE command.
2. Specify the starting co-ordinate of point-1 as 2,1 in the command line.
3. Specify the next co-ordinate of point-2 as 3,1 in the command line.
4. Specify the next co-ordinate of point-3 as 3,5 in the command line.
5. Specify the next co-ordinate of point-4 as 5,3 in the command line.
6. Specify the next co-ordinate of point-5 as 7,5 in the command line.
7. Specify the next co-ordinate of point-6 as 8,1 in the command line.
8. Specify the next co-ordinate of point-7 as 8,8 in the command line.
9. Specify the next co-ordinate of point-8 as 7,8 in the command line.
10. Specify the next co-ordinate of point-9 as 5,5 in the command line.
11. Specify the next co-ordinate of point-10 as 3,8 in the command line.
12. Specify the next co-ordinate of point-11 as 2,8 in the command line.
13. Click Close on the command line to finish the figure.
14. Select DIMLINEAR on the command line and mark the dimensions.

Results:-

Steps for P-4 :-

• Using Absolute Co-ordinate System

1. Select the line tool by entering LINE command.
2. Specify the starting co-ordinate of point-1 as 2,1 in the command line.
3. Specify the next co-ordinate of point-2 as 3,1 in the command line.
4. Specify the next co-ordinate of point-3 as 3,8 in the command line.
5. Specify the next co-ordinate of point-4 as 8,8 in the command line.
6. Specify the next co-ordinate of point-5 as 8,2 in the command line.
7. Specify the next co-ordinate of point-6 as 5,2 in the command line.
8. Specify the next co-ordinate of point-7 as 5,1 in the command line.
9. Specify the next co-ordinate of point-8 as 9,1 in the command line.
10. Specify the next co-ordinate of point-9 as 9,9 in the command line.
11. Specify the next co-ordinate of point-10 as 2,9 in the command line.
12. Click Close on the command line to finish the figure.
13. Select DIMLINEAR on the command line and mark the dimensions.

Results:-

Steps for P-5 :-

• Using Absolute Co-ordinate System

1. Select the line tool by entering LINE command.
2. Specify the starting co-ordinate of point-1 as 2,1 in the command line.
3. Specify the next co-ordinate of point-2 as 10,1 in the command line.
4. Specify the next co-ordinate of point-3 as 10,7 in the command line.
5. Specify the next co-ordinate of point-4 as 2,7 in the command line.
6. Click Close on the command line to finish the figure.
7. Then, specify the next co-ordinate of point-5 as 3,2 in the command line.
8. Specify the next co-ordinate of point-6 as 5,2 in the command line.
9. Specify the next co-ordinate of point-7 as 5,5 in the command line.
10. Specify the next co-ordinate of point-8 as 3,5 in the command line.
11. Click Close on the command line to finish the figure.
12. Then, specify the next co-ordinate of point-9 as 6,2 in the command line.
13. Specify the next co-ordinate of point-10 as 8,2 in the command line.
14. Specify the next co-ordinate of point-11 as 8,5 in the command line.
15. Specify the next co-ordinate of point-12 as 6,5 in the command line.
16. Click Close on the command line to finish the figure.
17. Select DIMLINEAR on the command line and mark the dimensions.

Results:-

Steps for P-6 :-

• Using Absolute Co-ordinate System

1. Select the line tool by entering LINE command.
2. Specify the starting co-ordinate of point-1 as 0,0 in the command line.
3. Specify the next co-ordinate of point-2 as 10,0 in the command line.
4. Specify the next co-ordinate of point-3 as 10,2 in the command line.
5. Specify the next co-ordinate of point-4 as 6,2 in the command line.
6. Specify the next co-ordinate of point-5 as 6,6 in the command line.
7. Specify the next co-ordinate of point-6 as 9,6 in the command line.
8. Specify the next co-ordinate of point-7 as 9,8 in the command line.
9. Specify the next co-ordinate of point-8 as 1,8 in the command line.
10. Specify the next co-ordinate of point-9 as 1,6 in the command line.
11. Specify the next co-ordinate of point-10 as 4,6 in the command line.
12. Specify the next co-ordinate of point-11 as 4,4 in the command line.
13. Specify the next co-ordinate of point-12 as 0,2 in the command line.
14. Click Close on the command line to finish the figure.
15. Select DIMLINEAR on the command line and mark the dimensions.

Results:-

Steps for P-7 :-

• Using Absolute Co-ordinate System

1. Select the line tool by entering LINE command.
2. Specify the starting co-ordinate of point-1 as 1,1 in the command line.
3. Specify the next co-ordinate of point-2 as 6,1 in the command line.
4. Specify the next co-ordinate of point-3 as 6,3 in the command line.
5. Specify the next co-ordinate of point-4 as 3,3 in the command line.
6. Specify the next co-ordinate of point-5 as 3,2 in the command line.
7. Specify the next co-ordinate of point-6 as 2,2 in the command line.
8. Specify the next co-ordinate of point-7 as 2,4 in the command line.
9. Specify the next co-ordinate of point-8 as 5,4 in the command line.
10. Specify the next co-ordinate of point-9 as 5,6 in the command line.
11. Specify the next co-ordinate of point-10 as 1,8 in the command line.
12. Click Close on the command line to finish the figure.
13. Select DIMLINEAR on the command line and mark the dimensions.

Results:-

Steps for P-8 :-

• Using Absolute Co-ordinate System

1. Select the line tool by entering LINE command.
2. Specify the starting co-ordinate of point-1 as 1,1 in the command line.
3. Specify the next co-ordinate of point-2 as 3,1 in the command line.
4. Specify the next co-ordinate of point-3 as 3,4 in the command line.
5. Specify the next co-ordinate of point-4 as 6,4 in the command line.
6. Specify the next co-ordinate of point-5 as 6,8 in the command line.
7. Specify the next co-ordinate of point-6 as 1,8 in the command line.
8. Specify the next co-ordinate of point-7 as 2,4 in the command line.
9. Click Close on the command line to finish the figure.
10. Then, specify the next co-ordinate of point-8 as 2,5 in the command line.
11. Specify the next co-ordinate of point-9 as 5,5 in the command line.
12. Specify the next co-ordinate of point-10 as 5,7 in the command line.
13. Specify the next co-ordinate of point-10 as 2,7 in the command line.
14. Click Close on the command line to finish the figure.
15. Select DIMLINEAR on the command line and mark the dimensions.

Results:-

Steps for Profile-Wood :-

• Using Absolute Co-ordinate System

1. Select the line tool by entering LINE command.
2. Specify the starting co-ordinate of point-1 as 0,0 in the command line.
3. Specify the next co-ordinate of point-2 as 10,0 in the command line.
4. Specify the next co-ordinate of point-3 as 10,1 in the command line.
5. Specify the next co-ordinate of point-4 as 8,1 in the command line.
6. Specify the next co-ordinate of point-5 as 8,5 in the command line.
7. Specify the next co-ordinate of point-6 as 10,5 in the command line.
8. Specify the next co-ordinate of point-7 as 10,6 in the command line.
9. Specify the next co-ordinate of point-8 as 5,9 in the command line.
10. Specify the next co-ordinate of point-9 as 0,6 in the command line.
11. Specify the next co-ordinate of point-10 as 2,6 in the command line.
12. Specify the next co-ordinate of point-11 as 2,1 in the command line.
13. Specify the next co-ordinate of point-12 as 0,1 in the command line.
14. Click Close on the command line to finish the figure.
15. Then, select the circle tool by entering CIRCLE command.
16. Specify the center co-ordinate of point-9 as 5,4 in the command line.
17. Then, select 2P from the command line.
18. Specify the next co-ordinate of point-13 as 3,4 in the command line.
19. Specify the next co-ordinate of point-14 as 7,4 in the command line.
20. Press Enter
21. Select DIMLINEAR on the command line and mark the dimensions.

Results:-

Steps for Queen-Post Truss :-

• Using Relative Polar Co-ordinate System

1. Select the line tool by entering LINE command.
2. Specify the starting co-ordinate of point-1 as 1,1 in the command line.
3. Specify the next co-ordinate of point-2 as 1,5 in the command line.
4. Specify the next co-ordinate of line @5<45 degrees in the command line.
5. Specify the next co-ordinate of line @5<315 degrees in the command line.
6. Specify the next co-ordinate of point-3 as 8,1 in the command line.
7. Escape.
8. Select the line tool by entering LINE command
9. Click on point-2.
10. Specify the next co-ordinate of point-4 as 1,5 in the command line.
11. Specify the next co-ordinate of point-5 as 2,5 in the command line.
12. Specify the next co-ordinate of point-6 as 2,6 in the command line.
13. Escape
14. Select the line tool by entering LINE command.
15. Click on point-3.
16. Specify the next co-ordinate of point-7 as 8,5 in the command line.
17. Specify the next co-ordinate of point-8 as 7,5 in the command line.
18. Specify the next co-ordinate of point-9 as 7,6 in the command line.
19. Select the line tool by entering LINE command.
20. Click on point-5 and extend it to point-8.
21. Again select the line tool and click at the top-edge of the figure, then extend it vertically downwards to join the line at midpoint. Escape.
22. Again select the line tool and click on point-6 and join the midpoint diagonally.
23. Again Select the line tool and click on point-9 and join the midpoint diagonally.
24. Select DIMLINEAR, DIMALIGN and DIMANGULAR on the command line and mark the dimensions.

Results:-

Steps for Mono Pitch :-

• Using Absolute Co-ordinate System

1. Select the line tool by entering LINE command.
2. Specify the starting co-ordinate of point-1 as 1,1 in the command line.
3. Specify the next co-ordinate of point-2 as 3,1 in the command line.
4. Specify the next co-ordinate of point-3 as 5,1 in the command line.
5. Specify the next co-ordinate of point-4 as 7,1 in the command line.
6. Specify the next co-ordinate of point-5 as 7,3 in the command line.
7. Click on Close.
8. Select the line tool by entering LINE command.
9. Specify the next co-ordinate of point-6 as 3,1- in the command line.
10. Then extend the line vertically upwards and left click where the line intersects the hypotenuse of the bigger triangle.
11. Specify the next co-ordinate of point-7 as 5,1 in the command line.
12. Then extend the line vertically upwards and left click where the line intersects the hypotenuse of the bigger triangle.
13. Specify the next co-ordinate of point-8 as 7,1 in the command line.
14. Escape.
15. Select DIMLINEAR on the command line and mark the dimensions.

Results:-