Creation of geometries by Coordinate system methods using AutoCad
Aim: To draw the given geometries using different coordinate methods in Auto Cad
Procedure:
In the given geometries, line command is only used. To activate line:
a. Ribbon - Home >draw >line
b. Toolbar: Draw>Line
c. Menu bar: Draw>Line
d. Tool palettes: Draw >line
e. Command: Line or L
1. P-1
1.P-1
a)Absolute coordinate system - In this system distances are measured from origin.
The coordinates with respect to origin are:
Procedure:
Step 1: Type the command "L" for line and give the coordinates for point 1. (2,1).
Step 2: Type the next coordinate of point 2. (2,7) in the command box.
Step 3: Type next coordinates of point 3. (8,7) in the command box.
Step 4: Type next coordinates of point 4. (8,6) in the command box
Step 5: Type next coordinates of point 5. (3,6) in the command box
Step 6: Type next coordinates of point 6. (3,2) in the command box
Step 7: Type next coordinates of point 7. (8,2) in the command box
Step 8: Type next coordinates of point 8. (8,1) in the command box.
Step 9: Enter or click on the command "close".
Result:
b)Relative Rectangular Coordinate System: In this system, the coordinates are measured from the previous point, the coordinates are:
Procedure:
Step 1: Type the command "L"for line and give the coordinates for points 1,(2,1).
Step 2: Type the next coordinate of point 2. @0,6 in the command box.
Step 3: Type next coordinates of point 3.@6,0 in the command box.
Step 4: Type next coordinates of point 4.@0,-1 in the command box
Step 5: Type next coordinates of point 5.@-5,0 in the command box
Step 6: Type next coordinates of point 6.@O,-4 in the command box
Step 7: Type next coordinates of point 7.@5,0 in the command box
Step 8: Type next coordinates of point 8.@0,-1in the command box.
Step 9: Enter or click on the command "close".
Result:
Polar Coordinate System: In Polar coordinate System, the coordinate and the angle with respect to the x-axis is given.
Procedure:
Step 1: Type the command "L" for line and give the coordinates for point 1. (2,1).
Step 2: Type the next coordinate of point 2.@6<90 in the command box.
Step 3: Type next coordinates of point 3.@6<0 in the command box.
Step 4: Type next coordinates of point 4.@1<270 in the command box
Step 5: Type next coordinates of point 5.@5<180 in the command box
Step 6: Type next coordinates of point 6.@4<270 in the command box
Step 7: Type next coordinates of point 7.@5<0 in the command box
Step 8: Type next coordinates of point 8.@1<270in the command box.
Step 9: Enter or click on the command "close".
Result:
2.P-2
a)Absolute Coordinate System
Procedure:
Step 1: Type the command "L" for line and give the coordinates for point 1 (2,1).
Step 2: Type the next coordinate of point 2. (4,8) in the command box.
Step 3: Type next coordinates of point 3. (7,8) in the command box.
Step 4: Type next coordinates of point 4. (9,1) in the command box
Step 5: Type next coordinates of point 5. (6,1) in the command box
Step 6: Type next coordinates of point 6. (6,5) in the command box
Step 7: Type next coordinates of point 7. (5,5) in the command box
Step 8: Type next coordinates of point 8. (5,1) in the command box.
Step 9: Enter or click on the command "close".
Result:
b)Relative Rectangular Coordinate System:
Procedure:
Step 1: Type the command "L"for line and give the coordinates for point 1. (2,1).
Step 2: Type the next coordinate of point 2.@2,7 in the command box.
Step 3: Type next coordinates of point 3. @ 3,0 in the command box.
Step 4: Type next coordinates of point 4. @2,-7 in the command box
Step 5: Type next coordinates of point 5. @-3,0 in the command box
Step 6: Type next coordinates of point 6. @0,4 in the command box
Step 7: Type next coordinates of point 7. @-1,0 in the command box
Step 8: Type next coordinates of point 8. @0,-4 in the command box.
Step 9: Enter or click on the command "close".
Result:
3.P-4
a)Absolute Coordinate System:
Procedure:
Step 1: Type the command "L" for line and give the coordinates for point 1.(2,1).
Step 2: Type the next coordinate of point 2.(2,8) in the command box.
Step 3: Type next coordinates of point 3. (3,8) in the command box.
Step 4: Type next coordinates of point 4. (5,5) in the command box
Step 5: Type next coordinates of point 5. (7,8) in the command box
Step 6: Type next coordinates of point 6. (8,8) in the command box
Step 7: Type next coordinates of point 7. (8,1) in the command box
Step 8: Type next coordinates of point 8. (7,1) in the command box.
Step 9: Type next coordinates of point 9. (7,5) in the command box.
Step 10: Type next coordinates of point 10. (5,3) in the command box.
Step 11: Type next coordinates of point 11. (3,5) in the command box.
Step 12: Type next coordinates of point 12. (3,1) in the command box.
Step 13: Enter or click on the command "close".
Result:
b)Relative Rectangular Coordinate System:
Procedure:
Step 1: Type the command "L" for line and give the coordinates for point 1. (2,1).
Step 2: Type the next coordinate of point 2.@0,7 in the command box.
Step 3: Type next coordinates of point 3. @1,0 in the command box.
Step 4: Type next coordinates of point 4. @2,-3 in the command box
Step 5: Type next coordinates of point 5. @2,3 in the command box
Step 6: Type next coordinates of point 6. @1,0 in the command box
Step 7: Type next coordinates of point 7. @0,-7 in the command box
Step 8: Type next coordinates of point 8. @-1,0 in the command box.
Step 9: Type next coordinates of point 9.@0,4 in the command box.
Step 10: Type next coordinates of point 10.@-2,-2 in the command box.
Step 11: Type next coordinates of point 11.@-2,2 in the command box.
Step 12: Type next coordinates of point 8. @0,-4 in the command box.
Step 13: Enter or click on the command "close".
Result:
4.P-5
a)Absolute Coordinate System:
Procedure:
Step 1: Type the command "L" for line and give the coordinates for point 1 (2,1).
Step 2: Type the next coordinate of point 2 (2,9) in the command box.
Step 3: Type next coordinates of point 3. (9,9) in the command box.
Step 4: Type next coordinates of point 4. (9,1) in the command box
Step 5: Type next coordinates of point 5. (5,1) in the command box
Step 6: Type next coordinates of point 6. (5,2) in the command box
Step 7: Type next coordinates of point 7. (8,2) in the command box
Step 8: Type next coordinates of point 8. (8,8) in the command box.
Step 9: Type next coordinates of point 9. (3,8) in the command box.
Step 10: Type next coordinates of point 10. (3,1) in the command box.
Step 11: Enter or click on the command "close".
Result:
b)Relative Rectangular Coordinate:
Procedure:
Step 1: Type the command "L" for line and give the coordinates for point 1. (2,1).
Step 2: Type the next coordinate of points 2.@0,8 in the command box.
Step 3: Type next coordinates of point 3. @7,0 in the command box.
Step 4: Type next coordinates of point 4. @0,-8 in the command box
Step 5: Type next coordinates of point 5. @-4,0 in the command box
Step 6: Type next coordinates of point 6. @0,1 in the command box
Step 7: Type next coordinates of point 7. @3,0 in the command box
Step 8: Type next coordinates of point 8. @0,6 in the command box.
Step 9: Type next coordinates of point 9.@-5,0 in the command box.
Step 10: Type next coordinates of point 10.@0,-7 in the command box.
Step 11: Enter or click on the command "close".
Result:
5.P-7
a)Absolute Coordinate System
Procedure:
Step 1: Type the command "L" for line and give the coordinates for point 1.(2,1).
Step 2: Type the next coordinate of point 2. (2,7) in the command box.
Step 3: Type next coordinates of point 3. (10,7) in the command box.
Step 4: Type next coordinates of point 4. (10,1) in the command box
Step 5: Enter or click on the command "close".
Step 6: Type the command "L" for line and give the coordinates for point 5. (3,2).
Step 7: Type next coordinates of point 6. (3,5) in the command box
Step 8: Type next coordinates of point 7. (5,5) in the command box.
Step 9: Type next coordinates of point 8. (5,2) in the command box.
Step 10: Enter or click on the command "close".
Step 11: Type the command "L" for line and give the coordinates for point 9. (6,2).
Step 12: Type next coordinates of point 10. (6,5) in the command box.
Step 13: Type next coordinates of point 11. (8,5) in the command box.
Step 14: Type next coordinates of point 12. (8,2) in the command box.
Step 15: Enter or click on the command "close".
Result:
b)Relative Rectangular Coordinate System:
Procedure:
Step 1: Type the command "L" for line and give the coordinates for point 1. (2,1).
Step 2: Type the next coordinate of point 2.@0,7 in the command box.
Step 3: Type next coordinates of point 3. @8,0 in the command box.
Step 4: Type next coordinates of point 4. @0,-7 in the command box
Step 5: Enter or click on the command "close".
Step 6: Type the command "L" for line and give the coordinates for point 5. (3,2).
Step 7: Type next coordinates of point 6. @0,3 in the command box
Step 8: Type next coordinates of point 7. @2,0 in the command box.
Step 9: Type next coordinates of point 8. @0,-3 in the command box.
Step 10: Enter or click on the command "close"
Step 11: Type the command "L" for line and give the coordinates for point 9.(6,2).
Step 12: Type next coordinates of point 10. @0,3 in the command box.
Step 13: Type next coordinates of point 10. @2,0 in the command box.
Step 14: Type next coordinates of point 10. @0,-3 in the command box.
Step 15: Enter or click on the command "close"
Result:
6.P-8
a.Absolute coordinate system:
Procedure:
Step 1: Type the command "L" for line and give the coordinates for point 1 (0,0).
Step 2: Type the next coordinate of point 2 (0,2) in the command box.
Step 3: Type next coordinates of point 3. (4,2) in the command box.
Step 4: Type next coordinates of point 4. (4,6) in the command box
Step 5: Type next coordinates of point 5. (1,6) in the command box
Step 6: Type next coordinates of point 6. (1,8) in the command box
Step 7: Type next coordinates of point 7. (9,8) in the command box
Step 8: Type next coordinates of point 8. (9,6) in the command box.
Step 9: Type next coordinates of point 9. (6,6) in the command box.
Step 10: Type next coordinates of point 10. (6,2) in the command box.
Step 11: Type next coordinates of point 11. (10,2) in the command box.
Step 12: Type next coordinates of point 10. (10,0) in the command box.
Step 13: Enter or click on the command "close".
Result:
b)Relative rectangular coordinate:
Procedure:
Step 1: Type the command "L"for line and give the coordinates for point 1.(0,0).
Step 2: Type the next coordinate of point 2.@0,2 in the command box.
Step 3: Type next coordinates of point 3. @4,0 in the command box.
Step 4: Type next coordinates of point 4. @0,4 in the command box
Step 5: Type next coordinates of point 5. @-3,0 in the command box
Step 6: Type next coordinates of point 6. @0,2 in the command box
Step 7: Type next coordinates of point 7. @8,0 in the command box
Step 8: Type next coordinates of point 8. @0,-2 in the command box.
Step 9: Type next coordinates of point 9.@-3,0 in the command box.
Step 10: Type next coordinates of point 10. @0,-4 in the command box.
Step 11: Type next coordinates of point 11. @4,0 in the command box.
Step 12: Type next coordinates of point 12. @O,-2 in the command box.
Step 13: Enter or click on the command "close".
Result:
7.P-9
a.Absolute Coordinate System:
Procedure:
Step 1: Type the command "L"for line and give the coordinates for point 1 (0,1).
Step 2: Type the next coordinate of point 2 (1,8) in the command box.
Step 3: Type next coordinates of point 3. (5,6) in the command box.
Step 4: Type next coordinates of point 4. (5,4) in the command box
Step 5: Type next coordinates of point 5. (2,4) in the command box
Step 6: Type next coordinates of point 6. (2,2) in the command box
Step 7: Type next coordinates of point 7. (3,2) in the command box
Step 8: Type next coordinates of point 8. (3,3) in the command box.
Step 9: Type next coordinates of point 9. (6,3) in the command box.
Step 10: Type next coordinates of point 10. (6,1) in the command box.
Step 11: Enter or click on the command "close".
Result:
b)Relative Rectangular Coordinate System:
Procedure:
Step 1: Type the command "L" for line and give the coordinates for point 1. (0,0).
Step 2: Type the next coordinate of points 2.@0,7 in the command box.
Step 3: Type next coordinates of point 3. @ 4,-2 in the command box.
Step 4: Type next coordinates of point 4. @0,-2 in the command box
Step 5: Type next coordinates of point 5.@ -3,0 in the command box
Step 6: Type next coordinates of point 6. @O,-2 in the command box
Step 7: Type next coordinates of point 7. @1,0 in the command box
Step 8: Type next coordinates of point 8. @0,1 in the command box.
Step 9: Type next coordinates of point 9.@3,0 in the command box.
Step 10: Type next coordinates of point 10. @O,-2 in the command box.
Step 11: Enter or click on the command "close".
Result:
8.P-10
a)Absolute Coordinate System:
Procedure:
Step 1: Type the command "L"for line and give the coordinates for point 1 (1,1).
Step 2: Type the next coordinate of point 2 (1,8) in the command box.
Step 3: Type next coordinates of point 3. (6,8) in the command box.
Step 4: Type next coordinates of point 4. (6,4) in the command box
Step 5: Type next coordinates of point 5. (3,4) in the command box
Step 6: Type next coordinates of point 6. (3,1) in the command box
Step 7: Enter or click on the command "close".
Step 8: Type the command "L"for line and give the coordinates for point 7. (2,5).
Step 9: Type next coordinates of point 8. (2,7) in the command box.
Step 10: Type next coordinates of point 9. (5,7) in the command box.
Step 11: Type next coordinates of point 10. (5,5) in the command box.
Step 12: Enter or click on the command "close".
Result:
b)Relative Rectangular Coordinate:
Procedure:
Step 1: Type the command "L"for line and give the coordinates for point 1.(0,0).
Step 2: Type the next coordinate of point 2.@0,7 in the command box.
Step 3: Type next coordinates of point 3. @ 5,0 in the command box.
Step 4: Type next coordinates of point 4. @0,-4 in the command box
Step 5: Type next coordinates of point 5. @-3,0 in the command box
Step 6: Type next coordinates of point 6. @O,-3 in the command box
Step 7: Enter or click on the command "close".
Step 8 : Type the command "L"for line and give the coordinates for point 7.(2,5).
Step 9 : Type next coordinates of point 8. @0,2 in the command box.
Step 10 : Type next coordinates of point 9.@3,0 in the command box.
Step 11: Type next coordinates of point 10. @0,-2 in the command box.
Step 12 : Enter or click on the command "close".
Result:
9.Profile-Wood:
This is done by Relative Rectangular Coordinate System
Procedure:
Step 1: Type the command "L"for line and give the coordinates for point 1.(0,0).
Step 2: Type the next coordinate of point 2.@0,1 in the command box.
Step 3: Type next coordinates of point 3. @ 2,0 in the command box.
Step 4: Type next coordinates of point 4. @0,6 in the command box
Step 5: Type next coordinates of point 5. @-2,0 in the command box
Step 6: Type next coordinates of point 6. @5,3 in the command box
Step 7: Type next coordinates of point 7. @5,-3 in the command box
Step 8: Type next coordinates of point 8. @O,-2 in the command box
Step 9 :Type next coordinates of point 9.@-2,0 in the command box.
Step 10:Type next coordinates of point 10. @O,-4 in the command box.
Step 11:Type next coordinates of point 11. @2,0 in the command box.
Step 12:Type next coordinates of point 12. @0,-1 in the command box.
Step 13:Enter or click on the command "close".
Step 14:Click circle from the draw panel and select centre -radius
Step 15:Enter the coordinates of the centre 5,4 in the command box
Step 16:Then the command box shows " enter the diameter" and enter the value 2,which is the diameter of circle.
Result:
10.Queen Post Truss:
Combination of Relative and Polar Coordinate System is used here.
Procedure:
Step 1: Type the command "L"for line and give the coordinates for point 1.(1,1).
Step 2: Type the next coordinate of point 2.@0,4 in the command box.
Step 3: Type next coordinates of point 3. @ 7,0 in the command box.
Step 4: Type next coordinates of point 4. @0,-4 in the command box
Step 5: Press Esc to cancel the command.
Step 6: Type the command "L"for line and give the coordinates for point 5.@5<45.
Step 7: Type the coordinates for point 6. @5<315.
Result:
11.Monopitch:
Relative Rectangular Coordinate is used:
Procedure:
Step 1: Type the command "L"for line and give the coordinates for point 1.(1,1).
Step 2: Type the next coordinate of point 2.@6,2 in the command box.
Step 3 : Type next coordinates of point 3. @ 0,-2 in the command box.
Step 4 :Enter or click on the command "close".
Step 5: Type the command "L"for line and give the coordinates for point 4.(3,1).
Step 6: Type next coordinates of point 5. @0,0.667 in the command box
Step 7: Type next coordinates of point 6.02,-0.667 in the command box
Step 8: Type next coordinates of point 7.@0,1.333 in the command box
Step 9: Type next coordinates of point 8. @2,-1.333 in the command box.
Result:
RESULT:
All the geometries are drawn in respective coordinate system and using line tool and also each output is shown for each geometries.