Challenge

Creation of geometries by Coordinate system methods using AutoCad

AIM:- To create the geometric 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 PROGRAM>Autodesk>AutoCad.

Click New icon to open a new drawing.

Set the limits and units.

Using commands line command and circle 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: 8,1 then enter
  3. Specify next point: 8,2 then enter
  4. Specify next point: 5,2 then enter
  5. Specify next point: 3,6 then enter
  6. Specify next point: 8,6 then enter
  7. Specify next point: 8,7 then enter
  8. Specify next point: 8,2 then enter
  9. Specify next point or close: select the close option press enter.

THEN 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: @8,0 press enter
  3. Specify next point: @0,2 press enter
  4. Specify next point: @-5,0 press enter
  5. Specify next point: @0,6 press enter
  6. Specify next point: @8,0 press enter
  7. Specify next point: @0,7 press enter
  8. Specify next point: @0,-2 press enter
  9. Specify next point or close: select the close option press enter.

Then drawing in POLAR COORDINATE METHOD:

  1. Specify first point: 2,1 then enter
  2. Specify next point: @6<0 then enter
  3. Specify next point: @1<90 then enter
  4. Specify next point: @-5<180 then enter
  5. Specify next point: @ U then enter
  6. Specify next point: @5<180 then enter
  7. Specify next point: @5<90 then enter
  8. Specify next point: @1<90 then enter
  9. Specify next point: @6<180 then enter
  • Specify next point or close: C then enter
  1. P2:

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: 5,1 then enter
  3. Specify next point: 5,5 then enter
  4. Specify next point: 6,5 then enter
  5. Specify next point: 6,-5 then enter
  6. Specify next point: 6,9 then enter
  7. Specify next point: 9,7 then enter
  8. Specify next point: 7,-4 then enter
  9. Specify next point or close: select the close option press enter.

Using relative coordinate system:

  1. Specify next point: @ 0,5 enter
  2. Specify next point: @ 1,0 enter
  3. Specify next point: @ 0,-5 enter
  4. Specify next point: @ 3,0 enter
  5. Specify next point: @ 0,8 enter
  6. Specify next point: @ U enter
  7. Specify next point: @ U enter
  8. Specify next point: @ 3,0 enter
  9. Specify next point: @ 0,8 enter
  • Specify next point: @ U enter
  • Specify next point: @ 0,7 enter
  • Specify next point: @ U enter

Using polar coordinate system:

Enter the line command,

  1. Then specify the first point: 2,1 at command prompt and press enter (as a starting point)
  2. Specify next point: @7<45 then enter
  3. Specify next point: @3<0 then enter
  4. Specify next point: @7<225 then enter
  5. Specify next point: @3<180 then enter
  6. Specify next point: @4<90 then enter
  7. Specify next point: @1<180 then enter
  8. Specify next point: @4<270 then enter
  9. Specify next point or close: select the close option press enter.

3. P4:

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: 2,8 then enter
  3. Specify next point: 3,8 then enter
  4. Specify next point: 5,-8 then enter
  5. Specify next point: 7,8 then enter
  6. Specify next point: 8,8 then enter
  7. Specify next point: 8,-8 then enter
  8. Specify next point: 7,1 then enter
  9. Specify next point: 7,5 then enter
  • Specify next point: 5,3 then enter
  • Specify next point: 5,5 then enter
  • Specify next point: 3,-5 then enter
  • Specify next point or close: select the close option press enter.

THEN 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: @1,0 press enter
  3. Specify next point: @0,4 press enter
  4. Specify next point: @2,0 press enter
  5. Specify next point: @0,2 press enter
  6. Specify next point: @0,-2 press enter
  7. Specify next point: @1,0 press enter
  8. Specify next point: @0,7 press enter
  9. Specify next point: @1,0 press enter
  • Specify next point: @0,-2 press enter
  • Specify next point: @0,3 press enter
  • Specify next point: @0,7 press enter
  • Specify next point or close: select the close option press enter.

Using polar coordinate system:

Enter the line command,

  1. Then specify the first point: 2,1 at command prompt and press enter (as a starting point)
  2. Specify next point: @7<90 then enter
  3. Specify next point: @1<0 then enter
  4. Specify next point: @3<45 then enter
  5. Specify next point: @U then enter
  6. Specify next point: @-3<45 then enter
  7. Specify next point: @U then enter
  8. Specify next point: @3<135 then enter
  9. Specify next point: @U then enter
  • Specify next point: @-3<135 then enter
  • Specify next point: @3<45 then enter
  • Specify next point: @1<0 then enter
  • Specify next point: @7<270 then enter
  • Specify next point: @1<180 then enter
  • Specify next point: @4<90 then enter
  • Specify next point: @2<225 then enter
  • Specify next point: @U then enter
  • Specify next point: @3<225then enter
  • Specify next point: @3<135 then enter
  • Specify next point: @4<270 then enter
  • Specify next point or close: C then enter
  1. P5:

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: 2,9 then enter
  3. Specify next point: 9,9 then enter
  4. Specify next point: 5,-1 then enter
  5. Specify next point: 5,2 then enter
  6. Specify next point: 8,2 then enter
  7. Specify next point: 8,8 then enter
  8. Specify next point: -3,8 then enter
  9. Specify next point or close: select the close option press enter.

THEN 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: @1,0 press enter
  3. Specify next point: @0,4 press enter
  4. Specify next point: @2,0 press enter
  5. Specify next point: @0,2 press enter
  6. Specify next point: @0,-2 press enter
  7. Specify next point: @1,0 press enter
  8. Specify next point: @0,7 press enter
  9. Specify next point: @1,0 press enter
  • Specify next point: @0,-2 press enter
  • Specify next point: @0,3 press enter
  • Specify next point: @0,7 press enter
  • Specify next point or close: select the close option press enter.

Using polar coordinate system:

Enter the line command,

  1. Then specify the first point: 2,1 at command prompt and press enter (as a starting point)
  2. Specify next point: @8<90 then enter
  3. Specify next point: @7<0 then enter
  4. Specify next point: @8<270 then enter
  5. Specify next point: @4<180 then enter
  6. Specify next point: @1<90 then enter
  7. Specify next point: @3<0 then enter
  8. Specify next point: @6<90 then enter
  9. Specify next point: @5<180 then enter
  • Specify next point: @7<270 then enter
  • Specify next point or close: select close option press enter.
  1. P7:

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: 2,6 then enter
  3. Specify next point: 2,10 then enter
  4. Specify next point: 10,10 then enter
  5. Specify next point: 10,2 then enter again enter line specify first point 3,2 then enter
  6. Specify next point: 3,3 then enter
  7. Specify next point: 3,5 then enter
  8. Specify next point: 5,5 then enter
  9. Specify next point or close: select the close option enter.
  • Again enter line command specify first point: 6,2 then enter
  • Specify next point: 6,3 then enter
  • Specify next point: 6,8 then enter
  • Specify next point: 8,1 then enter
  • Specify next point or close: select the close or undo option then enter.

THEN 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: @1,0 press enter
  3. Specify next point: @0,4 press enter
  4. Specify next point: @8,0 press enter
  5. Specify next point: @0,10 press enter
  6. Specify next point: @-8,0 press enter
  7. Specify next point: @3,1 press enter
  8. Specify next point: @0,3 press enter
  9. Specify next point: @2,0 press enter
  • Specify next point: @0,2 press enter
  • Specify next point: @6,1 press enter
  • Specify next point: @0,3 press enter
  • Specify next point: @2,0 press enter
  • Specify next point: @0,2 press enter
  • Specify next point or close: select the close option then enter.

Using polar coordinate system:

Enter the line command,

  1. Specify first point: 2,1 enter
  2. Specify next point: @6<90 enter
  3. Specify next point: @8<0 enter
  4. Specify next point: @6<270 enter
  5. Specify next point: @C enter
  6. Command LINE L enter
  7. Specify first point: 3,2 enter
  8. Specify next point: @3<90 enter
  9. Specify next point: @2<0 enter
  • Specify next point: @2<270 enter
  • Specify next point: @U enter
  • Specify next point: @3<270 enter
  • Specify next point: @C enter
  • Command LINE L enter
  • Specify first point: 6,2 enter
  • Specify next point: @3<90 enter
  • Specify next point: @2<0 enter
  • Specify next point: @3<270 enter
  • Specify next point: C enter
  1. P8:

Using absolute coordinate systems;

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 next point: 10,0 then enter
  3. Specify next point: 10,2 then enter
  4. Specify next point: 2,6 then enter
  5. Specify next point: 6,6 then enter
  6. Specify next point: 6,10 then enter
  7. Specify next point: 10,8 then enter
  8. Specify next point: 8,1 then enter
  9. Specify next point: 4,4 then enter
  • Specify next point: 4,1 then enter
  • Specify next point or close: select the close or undo option then enter.

THEN 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 next point: @10,0 press enter
  3. Specify next point: @0,2 press enter
  4. Specify next point: @-4,0 press enter
  5. Specify next point: @0,4 press enter
  6. Specify next point: @3,0 press enter
  7. Specify next point: @0,2 press enter
  8. Specify next point: @-8,0 press enter
  9. Specify next point: @0,-2 press enter
  • Specify next point: @3,0 press enter
  • Specify next point: @0,-4 press enter
  • Specify next point: @0,-4 press enter
  • Specify next point: @4,0 press enter
  • Specify next point or close: select the close option then enter.

Using polar coordinate system:

Enter the line command:

  1. Specify first point: 0,0 enter
  2. Specify next point: 2<90 enter
  3. Specify next point: 4<0 enter
  4. Specify next point: 4<90 enter
  5. Specify next point: 3<180 enter
  6. Specify next point: 2<90 enter
  7. Specify next point: 8<0 enter
  8. Specify next point: 2<270 enter
  9. Specify next point: 4<180 enter
  • Specify next point: U enter
  • Specify next point: 3<180 enter
  • Specify next point: 4<270 enter
  • Specify next point: 4<0 enter
  • Specify next point: 2<270 enter
  • Specify next point: C enter
  1. P9:

Using absolute coordinate systems;

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 next point: 6,1 then enter
  3. Specify next point: 6,3 then enter
  4. Specify next point: 3,6 then enter
  5. Specify next point: 3,2 then enter
  6. Specify next point: 2,4 then enter
  7. Specify next point: 5,4 then enter
  8. Specify next point: 5,6 then enter
  9. Specify next point: 6,8 then enter
  • Specify next point: 8,1 then enter
  • Specify next point or close: select the close or undo option then enter.

THEN 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 next point: @6,0 press enter
  3. Specify next point: @0,2 press enter
  4. Specify next point: @-3,0 press enter
  5. Specify next point: @0,1 press enter
  6. Specify next point: @-1,0 press enter
  7. Specify next point: @0,2 press enter
  8. Specify next point: @3,0 press enter
  9. Specify next point: @0,2 press enter
  • Specify next point: @4,0 press enter
  • Specify next point or close: select the close option then enter.

Using polar coordinate system:

Enter the line command:

  1. Specify first point: 1,1 enter
  2. Specify next point: @5<0 enter
  3. Specify next point: @2<90 enter
  4. Specify next point: @3<180 enter
  5. Specify next point: @1<270 enter
  6. Specify next point: @1<180 enter
  7. Specify next point: @2<90 enter
  8. Specify next point: @3<0 enter
  9. Specify next point: @2<90 enter
  • Specify next point: @4<165 enter
  • Specify next point: @ C enter
  1. P10:

Using absolute coordinate systems;

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 next point: 1,8 then enter
  3. Specify next point: 6,8 then enter
  4. Specify next point: 6,4 then enter
  5. Specify next point: 3,4 then enter
  6. Specify next point: 3,4 then enter
  7. Specify next point: close option then enter again line command specify the first point: 2,5 then enter
  8. Specify next point: 2,7 then enter
  9. Specify next point: 5,7 then enter
  • Specify next point: 5,5 then enter
  • Specify next point or close: select the close or undo option then enter.

THEN 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 next point: @2,0 press enter
  3. Specify next point: @0,3 press enter
  4. Specify next point: @3,0 press enter
  5. Specify next point: @0,4 press enter
  6. Specify next point: @-5,0 press enter
  7. Specify next point: at close the current point and start the line command specify first point again and enter
  8. Specify next point: @0,2 press enter
  9. Specify next point: @3,0 press enter
  • Specify next point: @0,-2 press enter
  • Specify next point or close: select the close option then enter.

USING POLAR COORDINATE SYSTEM:

Enter line command:

  1. Specify first point: 1,1 enter
  2. Specify next point: @2<0 enter
  3. Specify next point: @3<90 enter
  4. Specify next point: @3<0 enter
  5. Specify next point: @4<90 enter
  6. Specify next point: @5<180 enter
  7. Specify next point: C enter
  8. Command LINE L enter
  9. Specify first point: 2,5 enter
  • Specify next point: @2<90 enter
  • Specify next point: @3<0 enter
  • Specify next point: @2<270 enter
  • Specify next point: C enter

DRAWING THE PROFILE AND THE TRUSSES USING POLAR COORDINATE SYSTEM:

  1. PROFILE – WOOD:

Using polar coordinate system:

Enter line command:

  1. Specify first point: 0,0 enter
  2. Specify next point: @1<90 enter
  3. Specify next point: @2<0 enter
  4. Specify next point: @5<90 enter
  5. Specify next point: @2<180 enter
  6. Specify next point: @5.291<30.535 enter
  7. Specify next point: @5.291<285.53 enter
  8. Specify next point: @ U enter
  9. Specify next point: @5.291<30.545 enter
  • Specify next point: @5.291<335.535 enter
  • Specify next point: @1<270 enter
  • Specify next point: @2<180 enter
  • Specify next point: @4<270 enter
  • Specify next point: @0.498<270 enter
  • Specify next point: @2<0 enter
  1. QUEEN POST TRUSS:

Using polar coordinate system:

Enter line command:

  1. Specify first point: 1,1 enter
  2. Specify next point: @4<90 enter
  3. Specify next point: @1<0 enter
  4. Specify next point: @2.566<0 enter
  5. Specify next point: @2.566<0 enter
  6. Specify next point: @1<0 enter
  7. Specify next point: @4<270 enter
  8. Command LINE L enter
  9. Specify first point: 4.5,5 enter
  • Specify next point: @3.556<90 enter
  • Specify next point: @5<225 enter
  • Specify next point: C enter
  • Command LINE L enter
  • Specify first point: 2,5 enter
  • Specify next point: @1<90 enter
  • Specify next point: @3.556<90 enter
  • Specify next point: @5<225 enter
  • Specify next point: C enter
  • Command LINE L enter
  • Specify first point: 2,5 enter
  • Specify next point: @1<90 enter
  • Specify next point: @2.566<338 enter
  • Specify next point: C enter
  • Command LINE L enter
  • Specify first point: 4.5,8.5 enter
  • Specify next point: @5<316 enter
  • Specify next point: C enter
  • Command LINE L enter
  • Specify first point: 7,5 enter
  • Specify next point: @1<90 enter
  • Specify next point: @2.566<200 enter
  • Specify next point: C enter
  1. MONO PITCH:

Using polar coordinate system:

Enter command line:

  1. Specify first point: 7,2 enter
  2. Specify next point: @0,2 enter
  3. Specify next point: @0,1.33 enter
  4. Specify next point: U enter
  5. Specify next point: @0,2 enter
  6. Specify next point: @2.1083<203 enter
  7. Specify next point: @1.33<270 enter
  8. Specify next point: @2<0 enter
  9. Specify next point: @2.40<146 enter
  • Specify next point: @2.0932<203 enter
  • Specify next point: @0.667<270 enter
  • Specify next point: @2<0 enter
  • Specify next point: @2.108<161 enter
  • Specify next point: @2.1230<204 enter
  • Specify next point: @2<0 enter
  • Specify next point: C enter

RESULT:- Completed the trusses and from P1 to P10 figures with the uses of all geometric coordinates systems.

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