Creation of geometries by Coordinate system methods using AutoCad
AIM:
To create the geometries from p1 to p2 using all the coordinates system methods.
- ABSOLUTE COORDINATE SYSTEM.
- RELATIVE COORDINATE SYSTEM.
- POLAR COORDINATE SYSTEM.
INTRODUCTION:
Using the absolute coordinate system and relative coordinate system, polar coordinate system.
Click the AutoCad icon from desktop and go to the start>ALL PROGRAMS>Autodesk>AutoCad.
Click NEw icon to open a new drawing.
Set the limits and units.
Using commands line command and circle command.
PROCEDURE:
1. p1:
First solve this drawing using absolute coordinate systems:
Enter the line command ,
1. Then specify the first point: type 2,1 at command prompt and press enter (as a starting point)
2. Specify next point: at 8,1 and press enter
3. Specify the next point: at 8,2 and press enter
4. Specify the next point: at 5,2 and press enter
5. Specify the next point: at 3,6 and press enter
6. Specify the next point: at 8,6 and press enter
7. Specify the next point: at 8,7 and press enter
8. Specify the next point: at 8,2 and press enter
9. Specify the next point or close: select the close option press enter.
Then in do the drawing in RELATIVE POLAR COORDINATES METHOD :
Enter the line command ,
1. Then specify the first point: type 2,1 at command prompt and press enter (as a starting point)
2. Specify next point: at @6<0 and press enter
3. Specify the next point: at @1<90 and press enter
4. Specify the next point: at @5<180 and press enter
5. Specify the next point: at @5<90 and press enter
6. Specify the next point: at @5<0 and press enter
7. Specify the next point: at @1<90 and press enter
8. Specify the next point: at 6<180 and press enter
9. Specify the next point or close: select the close option press enter.
Then in RELATIVE COORDINATE METHOD:
Enter the line command ,
1. Then specify the first point: type 2,1 at command prompt and press enter (as a starting point)
2. Specify next point: at @8,0 and press enter
3. Specify the next point: at @0,2 and press enter
4. Specify the next point: at @-5,0 and press enter
5. Specify the next point: at @0,6 and press enter
6. Specify the next point: at @8,0 and press enter
7. Specify the next point: at @0,7 and press enter
8. Specify the next point: at @0,-2 and press enter
9. Specify the next point or close: select the close option press enter.
2. p2:
using absolute coordinate system:
Enter the line command ,
1. Then specify the first point: type 2,1 at command prompt and press enter (as a starting point)
2. Specify next point: at 5,1and press enter
3. Specify the next point: at 5,5 and press enter
4. Specify the next point: at 6,5 and press enter
5. Specify the next point: at 6,-5 and press enter
6. Specify the next point: at 6,9 and press enter
7. Specify the next point: at 9,7 and press enter
8. Specify the next point: at 7,-4 and press enter
9. Specify the next point or close: select the close option press enter.
using relative coordinate system:
Enter the line command ,
1. Then specify the first point: type 2,1 at command prompt and press enter (as a starting point)
2. Specify next point: at @0,5 and press enter
3. Specify the next point: at @1,0 and press enter
4. Specify the next point: at @0,-5 and press enter
5. Specify the next point: at @3,0 and press enter
6. Specify the next point: at @0,8and press enter
7. Specify the next point: at @0,7 and press enter
8. Specify the next point: at @0,-4 and press enter
9. Specify the next point or close: select the close option press enter.
Using polar coordinate system:
Enter the line command ,
1. Then specify the first point: type 2,1 at command prompt and press enter (as a starting point)
2. Specify next point: at @7<45 and press enter
3. Specify the next point: at @3<0 and press enter
4. Specify the next point: at @7<225 and press enter
5. Specify the next point: at @3<180 and press enter
6. Specify the next point: at @4<90 and press enter
7. Specify the next point: at @1<180 and press enter
8. Specify the next point: at @4<270 and press enter
9. Specify the next point or close: select the close option press enter.
4. p3:
using absolute coordinate system:
Enter the line command ,
1. Then specify the first point: type 2,1 at command prompt and press enter (as a starting point)
2. Specify next point: at 2,8 and press enter
3. Specify the next point: at 3,8and press enter
4. Specify the next point: at 5,-8 and press enter
5. Specify the next point: at 7,8 and press enter
6. Specify the next point: at 8,8 and press enter
7. Specify the next point: at 8,-8 and press enter
8. Specify the next point: at 7,1 and press enter
9. Specify the next point: at 7,5 and press enter
10. Specify the next point: at 5,3 and press enter
11. Specify the next point: at 5,5 and press enter
12. Specify the next point: at 3,-5 and press enter
13. Specify the next point or close: select the close option press enter.
Then in RELATIVE COORDINATE METHOD:
Enter the line command ,
1. Then specify the first point: type 2,1 at command prompt and press enter (as a starting point)
2. Specify next point: at @1,0 and press enter
3. Specify the next point: at @0,4and press enter
4. Specify the next point: at @2,0 and press enter
5. Specify the next point: at @0,2 and press enter
6. Specify the next point: at @0,-2 and press enter
7. Specify the next point: at @1,0 and press enter
8. Specify the next point: at @0,7 and press enter
9. Specify the next point: at @1,0 and press enter
10. Specify the next point: at @0,-2 and press enter
11. Specify the next point: at @0,3 and press enter
12. Specify the next point: at @0,7 and press enter
13. Specify the next point or close: select the close option press enter.
USING POLAR COORDINATES SYSTEM:
Enter the line command ,
1. Then specify the first point: type 2,1 at command prompt and press enter (as a starting point)
2. Specify next point: at @1,0 and press enter
3. Specify the next point: at @7<90and press enter
4. Specify the next point: at @1<0 and press enter
5. Specify the next point: at @-3<135 and press enter
6. Specify the next point: at @3<45 and press enter
7. Specify the next point: at @1<0 and press enter
8. Specify the next point: at @7<270 and press enter
9. Specify the next point: at @1<180 and press enter
10. Specify the next point: at @4<90 and press enter
11. Specify the next point: at @3<225 and press enter
12. Specify the next point: at @3<135 and press enter
13. Specify the next point: at @4<270 and press enter
13. Specify the next point or close: select the close option press enter.
3. p4:
using absolute coordinate system:
Enter the line command ,
1. Then specify the first point: type 2,1 at command prompt and press enter (as a starting point)
2. Specify next point: at 2,9 and press enter
3. Specify the next point: at 9,9 and press enter
4. Specify the next point: at 5,-1 and press enter
5. Specify the next point: at 5,2 and press enter
6. Specify the next point: at 8,2 and press enter
7. Specify the next point: at 8,8 and press enter
8. Specify the next point: at -3,8 and press enter
9. Specify the next point or close: select the close option press enter.
Then in RELATIVE COORDINATE METHOD:
Enter the line command ,
1. Then specify the first point: type 2,1 at command prompt and press enter (as a starting point)
2. Specify next point: at @1,0 and press enter
3. Specify the next point: at @0,4and press enter
4. Specify the next point: at @2,0 and press enter
5. Specify the next point: at @0,2 and press enter
6. Specify the next point: at @0,-2 and press enter
7. Specify the next point: at @1,0 and press enter
8. Specify the next point: at @0,7 and press enter
9. Specify the next point: at @1,0 and press enter
10. Specify the next point: at @0,-2 and press enter
11. Specify the next point: at @0,3 and press enter
12. Specify the next point: at @0,7 and press enter
13. Specify the next point or close: select the close option press enter.
Using polar coordinate system:
Enter the line command ,
1. Then specify the first point: type 2,1 at command prompt and press enter (as a starting point)
2. Specify next point: at @8<90 and press enter
3. Specify the next point: at @7<0 and press enter
4. Specify the next point: at @8<270 and press enter
5. Specify the next point: at @4<180 and press enter
6. Specify the next point: at @1<90 and press enter
7. Specify the next point: at @3<0 and press enter
8. Specify the next point: at @6<90 and press enter
9. Specify the next point: at @5<180 and press enter
10. Specify the next point: at @7<270 and press enter
11. Specify the next point or close: select the close option press enter.
5. P5:
using absolute coordinate system:
Enter the line command ,
1. Then specify the first point: type 2,1 at command prompt and press enter (as a starting point)
2. Specify next point: at 2,6 and press enter
3. Specify the next point: at 2,10 and press enter
4. Specify the next point: at 10,10 and pressenter
5. Specify the next point: at 10,2 and press enter
again enter line specify first point 3,2 and press enter
6. Specify the next point: at 3,3 and press enter
7. Specify the next point: at 3,5 and press enter
8. Specify the next point: at 5,5 and press enter
9. Specify the next point or close: select the close option press enter.
10. Again enter line command specify first point 6,2
11. specify the next point :at 6,3 and press enter
12. Specify the next point : at 6,8 and presws enter
13. Specify the next point: at 8,1 and press enter
14. Specify the next point or close: select the close or undooption press enter.
Then in RELATIVE COORDINATE METHOD:
Enter the line command ,
1. Then specify the first point: type 2,1 at command prompt and press enter (as a starting point)
2. Specify next point: at @1,0 and press enter
3. Specify the next point: at @0,4and press enter
4. Specify the next point: at @8,0 and press enter
5. Specify the next point: at @0,10 and press enter
6. Specify the next point: at @-8,0 and press enter
7. Specify the next point: at 3,1 and press enter
8. Specify the next point: at @0,3 and press enter
9. Specify the next point: at @2,0 and press enter
10. Specify the next point: at @0,2 and press enter
12. Specify the next point: at 6,1 and press enter
13. Specify the next point: at @0,3 and press enter
14. Specify the next point: at @2,0 and press enter
15. Specify the next point: at @0,2 and press enter
13. Specify the next point or close: select the close option press enter.
6. p6:
using absolute coordinate system:
Enter the line command ,
1. Then specify the first point: type 0,0 at command prompt and press enter (as a starting point)
2. Specify the next point: at 10,0 and press enter
3. Specify the next point: at 10,2 and press enter
4. Specify the next point: at 2,6 and press enter
5. Specify the next point: at 6,6 and press enter
6. Specify the next point: at 6,10 and press enter
7. Specify the next point: at 10,8 and press enter
8. Specify the next point: at 8,1 and press enter
9. Specify the next point: at 4,4 and press enter
10. Specify the next point: at 4,1 and press enter
11. Specify the next point or close: select the close or undo option press enter.
Then in RELATIVE COORDINATE METHOD:
Enter the line command ,
1. Then specify the first point: type 0,0 at command prompt and press enter (as a starting point)
2. Specify the next point: at @10,0 and press enter
3. Specify the next point: at @0,2and press enter
4. Specify the next point: at @-4,0 and press enter
5. Specify the next point: at @0,4 and press enter
6. Specify the next point: at @3,0 and press enter
7. Specify the next point: at 0,2 and press enter
8. Specify the next point: at @-8,0 and press enter
9. Specify the next point: at @0,-2 and press enter
10. Specify the next point: at @3,0 and press enter
13. Specify the next point: at @0,-4 and press enter
14. Specify the next point: at @0,-4 and press enter
15. Specify the next point: at @4,0 and press enter
13. Specify the next point or close: select the close option press enter.
7.p9:
using absolute coordinate system:
Enter the line command ,
1. Then specify the first point: type 1,1 at command prompt and press enter (as a starting point)
2. Specify the next point: at 6,1 and press enter
3. Specify the next point: at 6,3 and press enter
4. Specify the next point: at 3,6 and press enter
5. Specify the next point: at 3,2 and press enter
6. Specify the next point: at 2,4 and press enter
7. Specify the next point: at 5,4 and press enter
8. Specify the next point: at 5,6 and press enter
9. Specify the next point: at 6,8 and press enter
10. Specify the next point: at 8,1 and press enter
11. Specify the next point or close: select the close or undo option press enter.
Then in RELATIVE COORDINATE METHOD:
Enter the line command ,
1. Then specify the first point: type 1,1 at command prompt and press enter (as a starting point)
2. Specify the next point: at @6,0 and press enter
3. Specify the next point: at @0,2and press enter
4. Specify the next point: at @-3,0 and press enter
5. Specify the next point: at @0,1 and press enter
6. Specify the next point: at @-1,0 and press enter
7. Specify the next point: at 0,2 and press enter
8. Specify the next point: at @3,0 and press enter
9. Specify the next point: at @0,2 and press enter
10. Specify the next point: at @4,0 and press enter
11. Specify the next point or close: select the close option press enter.
USING POLAR COORDINATE SYSTEM:
8. p10:
using absolute coordinate system:
Enter the line command ,
1. Then specify the first point: type 1,1 at command prompt and press enter (as a starting point)
2. Specify the next point: at 1,8 and press enter
3. Specify the next point: at 6,8 and press enter
4. Specify the next point: at 6,4 and press enter
5. Specify the next point: at 3,4 and press enter
6. Specify the next point: at 3,4 and press enter
7. Specify the next point: colse option and press enter
again line comman specify the first point 2,5 and enter press
8. Specify the next point: at 2,7and press enter
9. Specify the next point: at 5,7 and press enter
10. Specify the next point: at 5,5 and press enter
11. Specify the next point or close: select the close or undo option press enter.
Then in RELATIVE COORDINATE METHOD:
Enter the line command ,
1. Then specify the first point: type 1,1 at command prompt and press enter (as a starting point)
2. Specify the next point: at @2,0 and press enter
3. Specify the next point: at @0,3and press enter
4. Specify the next point: at @3,0 and press enter
5. Specify the next point: at @0,4 and press enter
6. Specify the next point: at @-5,0 and press enter
7. Specify the next point: at close the current point and
starts the line command specify first point again and press enter
8. Specify the next point: at @0,2 and press enter
9. Specify the next point: at @3,0 and press enter
10. Specify the next point: at @0,-2 and press enter
11. Specify the next point or close: select the close option press enter.
TRUSS ARE USING IN POLAR COORDINATE SYSTEM:
Enter the line command ,
1. Then specify the first point: type 0,0 at command prompt and press enter (as a starting point)
2. Specify the next point: at @1<90 and press enter
3. Specify the next point: at @2<0 and press enter
4. Specify the next point: at @5<90 and press enter
5. Specify the next point: at @2<180 and press enter
6. Specify the next point: at @5.291<30.545 and press enter
7. Specify the next point: at @5.292<350.535 and press enter
8. Specify the next point: at @1<270 and press enter
9. Specify the next point: at @2<180 and press enter
8. Specify the next point: at @4<270 and press enter
9. Specify the next point: at @0.498<270 and press enter
10. Specify the next point: at @2<0 and press enter
11. Specify the next point or close: select the close option press enter.
2.QUEEN POST TRUSS:
using polar coordinates system:
Enter the line command ,
1. Then specify the first point: type 1,1 at command prompt and press enter (as a starting point)
2. Specify the next point: at @4<90 and press enter
3. Specify the next point: at @1<0 and press enter
4. Specify the next point: at @2.566<0 and press enter
5. Specify the next point: at @2.566<0 and press enter
6. Specify the next point: at @4<270 and press enter
7. Specify first point at 4.5,5
8. Specify the next point: at @3.556<90 and press enter
9. Specify the next point: at @5<225 and press enter
8. Specify the first point at 2,5
9. Specify the next point: at @1<90 and press enter
10. Specify the next point: at @3.556<90 and press enter
11. Specify the next point or close: select the close option press enter.
USING POLARCOORDINATE SYSTEM:
Enter the line command ,
1. Then specify the first point: type 7,2 at command prompt and press enter (as a starting point)
2. Specify the next point: at @0,2 and press enter
3. Specify the next point: at @2.1083<203 and press enter
4. Specify the next point: at @1.33<270 and press enter
5. Specify the next point: at @2<0 and press enter
6. Specify the next point: at @2.4<146 and press enter
7. Specify the next point: at @2.0932<203 and press enter
8. Specify the next point: at @0.667<270 and press enter
9. Specify the next point: at @2<0 and press enter
10. Specify the next point or close: select the close option press enter.
the cadd drawing picture are attached along with..
RESULT:
Finally completed the trusses and also p1 to p10 figures with using the all geometric coordinates systems. And relative coordinate system is easy to solve the figures, and understanding too.