Creation of geometries by Coordinate system methods using AutoCad
1. Create the geometries from P1 to P2 using all the coordinates system methods. You need to use the Line tool to create the geometries. Where required you need to use the circle tool.
AIM:
To Create the geometries of the given drawings using all the coordinates system methods.
COORDINATE SYSTEMS:
There are three methods of coordinate systems, they are
- Absolute coordinate systems
- Relative rectangular coordinate systems
- Relative polar coordinate systems
1. Absolute coordinate systems:
Absolute coordinates are based on the UCS origin (0,0), which is the intersection of the X and Y axes. Use absolute coordinates when you know the precise X and Y values of the point.
2. Relative rectangular coordinate systems:
Relative coordinates are locations defined by their distance from a reference point. To specify relative coordinates, precede the coordinate values with an @ sign. For example, entering @3,4 specifies a point 3 units along the X axis and 4 units along the Y axis from the last point specified.
3. Relative polar coordinate systems:
To specify relative coordinates, precede the coordinate values with an @ sign. For example, entering @1<45 specifies a point at a distance of 1 unit from the last point specified at an angle of 45 degrees from the X axis.
DRAWING 1:
1. Absolute coordinate systems:
Command: LIMITS
Reset Model space limits:
Specify lower left corner or [ON/OFF] <0,0>: 0,0
Specify upper right corner <50,50>: 50,50
Command: L
LINE
Specify first point: 2,1
Specify next point or [Undo]: 8,1
Specify next point or [Undo]: 8,2
Specify next point or [Close/Undo]: 3,2
Specify next point or [Close/Undo]: 3,6
Specify next point or [Close/Undo]: 8,6
Specify next point or [Close/Undo]: 8,7
Specify next point or [Close/Undo]: 2,7
Specify next point or [Close/Undo]: 2,1
Specify next point or [Close/Undo]:
2. Relative rectangular coordinate system:
LINE
Specify first point: 2,1
Specify next point or [Undo]: @6,0
Specify next point or [Undo]: @0,1
Specify next point or [Close/Undo]: @-5,0
Specify next point or [Close/Undo]: @0,4
Specify next point or [Close/Undo]: @5,0
Specify next point or [Close/Undo]: @0,1
Specify next point or [Close/Undo]: @-5,0
Specify next point or [Close/Undo]: U
Specify next point or [Close/Undo]: @0,-6
Specify next point or [Close/Undo]: U
Specify next point or [Close/Undo]: @-6,0
Specify next point or [Close/Undo]: @-,-6
Point or option keyword required.
Specify next point or [Close/Undo]: @0,-6
Specify next point or [Close/Undo]:
3. Relative polar coordinate method:
LINE
Specify first point: 2,1
Specify next point or [Undo]: @6<0
Specify next point or [Undo]: @1<90
Specify next point or [Close/Undo]: @5<180
Specify next point or [Close/Undo]: @4<90
Specify next point or [Close/Undo]: @5<0
Specify next point or [Close/Undo]: @1<90
Specify next point or [Close/Undo]: @6<180
Specify next point or [Close/Undo]: @6<270
DRAWING 2:
- Absolute coordinate systems:
Command: LIMITS
Reset Model space limits:
Specify lower left corner or [ON/OFF] <0,0>: 0,0
Specify upper right corner <50,50>: 50,50
Command: L
LINE
Specify first point: 2,1
Specify next point or [Undo]: 5,1
Specify next point or [Undo]: 5,5
Specify next point or [Close/Undo]: 6,5
Specify next point or [Close/Undo]: 6,1
Specify next point or [Close/Undo]: 9,1
Specify next point or [Close/Undo]: 7,8
Specify next point or [Close/Undo]: 4,8
Specify next point or [Close/Undo]: 2,1
2. Relative rectangular coordinate system:
LINE
Specify first point: 2,1
Specify next point or [Undo]: @3,0
Specify next point or [Undo]: @0,4
Specify next point or [Close/Undo]: @1,0
Specify next point or [Close/Undo]: @0,-4
Specify next point or [Close/Undo]: @3,0
Specify next point or [Close/Undo]: @-2,7
Specify next point or [Close/Undo]: @-3,0
Specify next point or [Close/Undo]: @-2,-7
DRAWING 3:
1. Absolute coordinate systems:
Command: LIMITS
Reset Model space limits:
Specify lower left corner or [ON/OFF] <0,0>: 0,0
Specify upper right corner <50,50>: 50,50
Command: L
LINE
Specify first point: 2,1
Specify next point or [Undo]: 3,1
Specify next point or [Undo]: 3,4
Specify next point or [Close/Undo]: 5,2
Specify next point or [Close/Undo]: 7,4
Specify next point or [Close/Undo]: 7,1
Specify next point or [Close/Undo]: 8,1
Specify next point or [Close/Undo]: 8,7
Specify next point or [Close/Undo]: 7,7
Specify next point or [Close/Undo]: 5,4
Specify next point or [Close/Undo]: 3,7
Specify next point or [Close/Undo]: 2,7
2. Relative rectangular coordinate system:
LINE
Specify first point: 2,1
Specify next point or [Undo]: @1,0
Specify next point or [Undo]: @0,4
Specify next point or [Close/Undo]: @-2,-2
Specify next point or [Close/Undo]: @2,2
Specify next point or [Close/Undo]: @0,-4
Specify next point or [Close/Undo]: @1,0
Specify next point or [Close/Undo]: @0,7
Specify next point or [Close/Undo]: @-1,0
Specify next point or [Close/Undo]: @-2,-3
Specify next point or [Close/Undo]: @-2,-3
Specify next point or [Close/Undo]: @-1,0
Specify next point or [Close/Undo]: @0,-7
DRAWING 4:
- Absolute coordinate systems:
Command: LIMITS
Reset Model space limits:
Specify lower left corner or [ON/OFF] <0,0>: 0,0
Specify upper right corner <50,50>: 50,50
Command: L
LINE
Specify first point: 2,1
Specify next point or [Undo]: 3,1
Specify next point or [Undo]: 3,8
Specify next point or [Close/Undo]: 8,8
Specify next point or [Close/Undo]: 8,2
Specify next point or [Close/Undo]: 5,2
Specify next point or [Close/Undo]: 5,1
Specify next point or [Close/Undo]: 9,1
Specify next point or [Close/Undo]: 9,9
Specify next point or [Close/Undo]:2,9
Specify next point or [Close/Undo]: 2,1
2. Relative rectangular coordinate system:
LINE
Specify first point: 2,1
Specify next point or [Undo]: @1,0
Specify next point or [Undo]: @0,7
Specify next point or [Close/Undo]: @6,0
Specify next point or [Close/Undo]: @6,-6
Specify next point or [Close/Undo]: @-3,0
Specify next point or [Close/Undo]: @0,-1
Specify next point or [Close/Undo]: @4,0
Specify next point or [Close/Undo]: @0,8
Specify next point or [Close/Undo]: @-7,0
Specify next point or [Close/Undo]: @0,-8
3. Relative polar coordinate method:
LINE
Specify first point: 2,1
Specify next point or [Undo]: @1<0
Specify next point or [Undo]: @7<90
Specify next point or [Close/Undo]: @5<0
Specify next point or [Close/Undo]: @6<270
Specify next point or [Close/Undo]: @3<180
Specify next point or [Close/Undo]: @1<270
Specify next point or [Close/Undo]: @4<0
Specify next point or [Close/Undo]: @8<90
Specify next point or [Close/Undo]: @7<180
Specify next point or [Close/Undo]: @8<270
DRAWING 5:
- Absolute coordinate systems:
Command: LIMITS
Reset Model space limits:
Specify lower left corner or [ON/OFF] <0,0>: 0,0
Specify upper right corner <50,50>: 50,50
Command: L
LINE
Specify first point: 2,1
Specify next point or [Undo]: 10,1
Specify next point or [Undo]: 10,7
Specify next point or [Close/Undo]: 2,7
Specify next point or [Close/Undo]: 2,1
Specify next point or [Close/Undo]: 3,2
Specify next point or [Close/Undo]: 5,2
Specify next point or [Close/Undo]: 5,5
Specify next point or [Close/Undo]: 3,5
Specify next point or [Close/Undo]:3,2
Specify next point or [Close/Undo]: 6,2
Specify next point or [Close/Undo]: 8,2
Specify next point or [Close/Undo]: 8, 5
Specify next point or [Close/Undo]: 6,5
Specify next point or [Close/Undo]: 6,2
2. Relative rectangular coordinate system:
LINE
Specify first point: 2,1
Specify next point or [Undo]: @8,0
Specify next point or [Undo]: @0,6
Specify next point or [Close/Undo]: @-8,0
Specify next point or [Close/Undo]: @0,-6
Specify next point or [Close/Undo]: @3,2
Specify next point or [Close/Undo]: @2,0
Specify next point or [Close/Undo]: @0,3
Specify next point or [Close/Undo]: @-2,0
Specify next point or [Close/Undo]: @0,-3
Specify next point or [Close/Undo]: @0,2
Specify next point or [Close/Undo]: @2,0
Specify next point or [Close/Undo]: @0,3
Specify next point or [Close/Undo]: @-2,0
Specify next point or [Close/Undo]: @0,-3
3. Relative polar coordinate method:
LINE
Specify first point: 2,1
Specify next point or [Undo]: @8<0
Specify next point or [Undo]: @6<90
Specify next point or [Close/Undo]: @8<180
Specify next point or [Close/Undo]: @6<270
Specify next point or [Close/Undo]:3,2
Specify next point or [Close/Undo]: @2<0
Specify next point or [Close/Undo]: @3<90
Specify next point or [Close/Undo]: @2<180
Specify next point or [Close/Undo]: @9<270
Specify next point or [Close/Undo]: 6,2
Specify next point or [Close/Undo]: @2<0
Specify next point or [Close/Undo]: @3<90
Specify next point or [Close/Undo]: @2<180
Specify next point or [Close/Undo]: @9<270
DIAGRAM 6:
- Absolute coordinate systems:
Command: LIMITS
Reset Model space limits:
Specify lower left corner or [ON/OFF] <0,0>: 0,0
Specify upper right corner <50,50>: 50,50
Command: L
LINE
Specify first point: 0,0
Specify next point or [Undo]: 10,0
Specify next point or [Undo]: 10,2
Specify next point or [Close/Undo]: 6,2
Specify next point or [Close/Undo]: 6,6
Specify next point or [Close/Undo]: 9,6
Specify next point or [Close/Undo]: 9,8
Specify next point or [Close/Undo]: 1,8
Specify next point or [Close/Undo]: 1,6
Specify next point or [Close/Undo]:4,6
Specify next point or [Close/Undo]: 4,2
Specify next point or [Close/Undo]:0,2
Specify next point or [Close/Undo]: 0,0
2. Relative rectangular coordinate system:
LINE
Specify first point: 0,0
Specify next point or [Undo]: @10,0
Specify next point or [Undo]: @2,2
Specify next point or [Close/Undo]: @-4,0
Specify next point or [Close/Undo]: @0,4
Specify next point or [Close/Undo]: @3,0
Specify next point or [Close/Undo]: @0,2
Specify next point or [Close/Undo]: @-8,0
Specify next point or [Close/Undo]: @0,-2
Specify next point or [Close/Undo]: @-4,0
Specify next point or [Close/Undo]: @0,-2
3. Relative polar coordinate method:
LINE
Specify first point: 0,0
Specify next point or [Undo]: @10<0
Specify next point or [Undo]: @2<90
Specify next point or [Close/Undo]: @4<180
Specify next point or [Close/Undo]: @4<90
Specify next point or [Close/Undo]: @3<0
Specify next point or [Close/Undo]: @2<90
Specify next point or [Close/Undo]: @8<180
Specify next point or [Close/Undo]: @2<270
Specify next point or [Close/Undo]: @3<0
Specify next point or [Close/Undo]: @4<270
Specify next point or [Close/Undo]: @4<180
Specify next point or [Close/Undo]: @2<270
DIAGRAM 7:
- Absolute coordinate systems:
Command: LIMITS
Reset Model space limits:
Specify lower left corner or [ON/OFF] <0,0>: 0,0
Specify upper right corner <50,50>: 50,50
Command: L
LINE
Specify first point: 1,1
Specify next point or [Undo]: 6,1
Specify next point or [Undo]: 6,3
Specify next point or [Close/Undo]: 3,3
Specify next point or [Close/Undo]: 3,2
Specify next point or [Close/Undo]: 2,2
Specify next point or [Close/Undo]: 2,4
Specify next point or [Close/Undo]: 5,4
Specify next point or [Close/Undo]: 5,6
Specify next point or [Close/Undo]:1,8
Specify next point or [Close/Undo]: 1,1
2. Relative rectangular coordinate system:
LINE
Specify first point: 1,1
Specify next point or [Undo]: @5,0
Specify next point or [Undo]: @0,2
Specify next point or [Close/Undo]: @-3,0
Specify next point or [Close/Undo]: @0,-1
Specify next point or [Close/Undo]: @-1,0
Specify next point or [Close/Undo]: @2,0
Specify next point or [Close/Undo]: @3,0
Specify next point or [Close/Undo]: @0,2
Specify next point or [Close/Undo]: @-4,2
Specify next point or [Close/Undo]: @0,-7
3. Relative polar coordinate method:
LINE
Specify first point: 1,1
Specify next point or [Undo]: @5<0
Specify next point or [Undo]: @2<90
Specify next point or [Close/Undo]: @3<180
Specify next point or [Close/Undo]: @1<270
Specify next point or [Close/Undo]: @1<180
Specify next point or [Close/Undo]: @2<90
Specify next point or [Close/Undo]: @3<0
Specify next point or [Close/Undo]: @2<90
Specify next point or [Close/Undo]: @
Specify next point or [Close/Undo]: @7<270
DRAWING 8:
- Absolute coordinate systems:
Command: LIMITS
Reset Model space limits:
Specify lower left corner or [ON/OFF] <0,0>: 0,0
Specify upper right corner <50,50>: 50,50
Command: L
LINE
Specify first point: 1,1
Specify next point or [Undo]: 1,1
Specify next point or [Undo]: 3,1
Specify next point or [Close/Undo]: 3,4
Specify next point or [Close/Undo]: 6,4
Specify next point or [Close/Undo]: 6,8
Specify next point or [Close/Undo]: 1,8
Specify next point or [Close/Undo]: 1,1
Specify next point or [Close/Undo]: 2,5
Specify next point or [Close/Undo]:5,5
Specify next point or [Close/Undo]: 5,7
Specify next point or [Close/Undo]:2,7
Specify next point or [Close/Undo]: 2,5
2. Relative rectangular coordinate system:
LINE
Specify first point: 1,1
Specify next point or [Undo]: @2,0
Specify next point or [Undo]: @0,3
Specify next point or [Close/Undo]: @3,0
Specify next point or [Close/Undo]: @0,4
Specify next point or [Close/Undo]: @-5,0
Specify next point or [Close/Undo]: @0,-7
Specify next point or [Close/Undo]: 2,5
Specify next point or [Close/Undo]: @3,0
Specify next point or [Close/Undo]: @0,2
Specify next point or [Close/Undo]: @-3,0
Specify next point or [Close/Undo]: @0,-2
3. Relative polar coordinate method:
LINE
Specify first point: 1,1
Specify next point or [Undo]: @2<0
Specify next point or [Undo]: @3<90
Specify next point or [Close/Undo]: @3<0
Specify next point or [Close/Undo]: @4<90
Specify next point or [Close/Undo]: @5<180
Specify next point or [Close/Undo]: @7<270
Specify next point or [Close/Undo]: 2,5
Specify next point or [Close/Undo]: @3<0
Specify next point or [Close/Undo]: @2<90
Specify next point or [Close/Undo]: @3<180
Specify next point or [Close/Undo]: @2<270
RESULT:
The geometries of the given drawings are created using all the three coordinates system methods.
2. Draw the profile and the trusses using any coordinate system methods. The dimensions are there for references.
AIM:
To Draw the profile and the trusses using any coordinate system methods.
DRAWING 1:
Command: LIMITS
Reset Model space limits:
Specify lower left corner or [ON/OFF] <0,0>: 0,0
Specify upper right corner <50,50>: 50,50
Command: L
LINE
Specify first point: 0,0
Specify next point or [Undo]: @10,0
Specify next point or [Undo]: @0,1
Specify next point or [Close/Undo]: @-2,0
Specify next point or [Close/Undo]: @0,4
Specify next point or [Close/Undo]: @2,0
Specify next point or [Close/Undo]: @0,1
Specify next point or [Close/Undo]: 5,9
Specify next point or [Close/Undo]: 0,6
Specify next point or [Close/Undo]: @2,0
Specify next point or [Close/Undo]: @0,-5
Specify next point or [Close/Undo]: @-2,0
Specify next point or [Close/Undo]:0,0
CIRCLE
Specify center point for circle or [3P/2P/Ttr (tan tan radius)]: 5,4
Specify radius of circle or [Diameter] <0.0163>: 2
DRAWING 2:
Command: LIMITS
Reset Model space limits:
Specify lower left corner or [ON/OFF] <0,0>: 0,0
Specify upper right corner <50,50>: 50,50
Command: L
LINE
Specify first point: 1,1
Specify next point or [Undo]: @0,4
Specify next point or [Undo]: @5<315
Specify next point or [Close/Undo]: @-1,0
Specify next point or [Close/Undo]: @0,1
Specify next point or [Close/Undo]: 1,5
Specify next point or [Close/Undo]: @1,0
Specify next point or [Close/Undo]: @0,1
Specify next point or [Close/Undo]: 2,5
Specify next point or [Close/Undo]: @2.536,5
Specify next point or [Close/Undo]: @7,6
Specify next point or [Close/Undo]: 2.536,5
Specify next point or [Close/Undo]:@5.136<90
DRAWING 3:
LINE
Specify first point: 1,1
Specify next point or [Undo]: @6,0
Specify next point or [Undo]: @2<90
Specify next point or [Close/Undo]: 1,1
Specify next point or [Close/Undo]:
Command:
LINE
Specify first point: 3,1
Specify next point or [Undo]: @0.667<90
Specify next point or [Undo]: 5,1
Specify next point or [Close/Undo]: @1.333<90
Specify next point or [Close/Undo]: 7,1
Specify next point or [Close/Undo]:
Command: Regenerating model.
RESULT:
The profile and the trusses are drawn using convenient coordinate system methods.