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Creation of geometries by Coordinate system methods using AutoCad
AIM :- 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.Please read the drawings and find out the missing dimensions before working on the sketches. Note: Use the Imperial Template and the…
Vishal Mahalle
updated on 30 Jun 2022
AIM :- 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.
Please read the drawings and find out the missing dimensions before working on the sketches.
Note: Use the Imperial Template and the Decimal Units to draft the features. Dimensions are there for
references.
Introduction:-
For this drawing purpose firstly we know about the coordinate systems in autocad ;
Coordinates system is as system where numbers are used to determine the unique position of point and other geometric points.also coordinates in autoCAD can be set by mouse,input the values of coordinate in the command line and other enter coordinate using dynamic input.
Coordinate systems are as follows;
1. Absolute coordinates system
2. Relative coordinates system
- Relative rectangular coordinates
- Relative polar coordinates
3. Direct distance entry method
Explanation;
1.Absolute coordinate
- In this system ,all points are established at some distance in the X AND Y axis from the common origin.
2. Relative coordinates system
- Relative coordinates are locations defined by their distance from a reference point.
- In autocad , when we using plot a first point it was always a absolute point , but in this system after first point all other points relates each other not to the original axis.
Relative coordinates system also of two kind;
A. Relative rectangular coordinates
- A Relative rectangular coordinatesallows you to specify a position along the X- axis, Y-axis, and Z-axis (if needed) to locate a point relative to the last point you specified.
B. Relative polar coordinates
- The system specifies the lenght and the angle of the specific point respect to the other previous point.
- In the relative polar system points are established by the typing lenght size.
3. Direct distance entry method
- It is another popular method used for drawing different shapes in the autoCAD .
- The direct distance method unable to user to draw an object by simply pointing the cursor in the desired direction and entering the required distance in the command.
Command which are used in this drafting are as below;
- Line command
- Circle command
- DIMSTYLE command
Procedure to be done while solving this all questions is as below;
- Firstly run the autocad 2023 from the computer
- Then, click the start drawing
- Type STARTUP in the command line
- And enter the value of startup as 1
- Then, go to application menu and click on new
- Then the dialog box appear and choose unit system
- Then LIMITS to be set using command tab, the lower left corner set as 0,0, and upper right corner as 100, 100 .
1. CREATE A GEOMETRIES FOE P1 FIGURE USING ALL THE COORDINATES SYSTEM
ANSWER:-
- Absolute coordinate system
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (2,1)
- Specify the point 2 as (8,1)
- Specify the point 3 as (8,2)
- Specify the point 4 as (3,2)
- Specify the point 5 as (3,6)
- Specify the point 6 as (8,6)
- Specify the point 7 as (8,7)
- Specify the point 8 as (2,7)
- Then click the close from the command line to close the figure.
B.Relative rectangular coordinates system
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (2,1)
- Specify the point 2 as (@6,0)
- Specify the point 3 as (@0,1)
- Specify the point 4 as (@-5,0)
- Specify the point 5 as (@0,4)
- Specify the point 6 as (@5,0)
- Specify the point 7 as (@0,1)
- Specify the point 8 as (@-6,0)
- Then click the close from the command line to close the figure.
C. Relative polar coordinates
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (2,1)
- Specify the point 2 as (@6<0)
- Specify the point 3 as (@1<90)
- Specify the point 4 as (@5<180))
- Specify the point 5 as (@4<90)
- Specify the point 6 as (@5<0)
- Specify the point 7 as (@1<90)
- Specify the point 8 as (@6<180)
- Then click the close from the command line to close the figure.
D. Direct distance entry system
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (2,1)
- Enter the lenght of point 2 as 6 in the command line in +X direction
- Enter the lenght of point 3 as 1 in the command line in +y direction
- Enter the lenght of point 4 as 5 in the command line in -X direction
- Enter the lenght of point 5 as 4 in the command line in +y direction
- Enter the lenght of point 6 as 5 in the command line in +X direction
- Enter the lenght of point 7 as 1 in the command line in +Y direction
- Enter the lenght of point 8 as 6 in the command line in -X direction
- Then click the close from the command line to close the figure.
RESULT:-
2. CREATE A GEOMETRIES FOE P2 FIGURE USING ALL THE COORDINATES SYSTEM
ANSWER:-
- Absolute coordinate system
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (2,1)
- Specify the point 2 as (5,1)
- Specify the point 3 as (5,5)
- Specify the point 4 as (6,5)
- Specify the point 5 as (6,1)
- Specify the point 6 as (9,1)
- Specify the point 7 as (7,8)
- Specify the point 8 as (4,8)
- Then click the close from the command line to close the figure.
B.Relative rectangular coordinates system
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (2,1)
- Specify the point 2 as (@3,0)
- Specify the point 3 as (@0,4)
- Specify the point 4 as (@1,0)
- Specify the point 5 as (@0,-4)
- Specify the point 6 as (@3,0)
- Specify the point 7 as (@-2,7)
- Specify the point 8 as (@-3,0)
- Then click the close from the command line to close the figure.
C. Relative polar coordinates
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (2,1)
- Specify the point 2 as (@3<0)
- Specify the point 3 as (@4<90)
- Specify the point 4 as (@1<0)
- Specify the point 5 as (@4<270)
- Specify the point 6 as (@3<0)
- Specify the point 7 as (@7<110).......as we assume at point 6 the line create 70 degree angle with -Y axis.
- Specify the point 8 as (@3,180)
- Then click the close from the command line to close the figure.
D. Direct distance entry system
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (2,1)
- Enter the lenght of point 2 as 3 in the command line in +X direction
- Enter the lenght of point 3 as 4 in the command line in +y direction
- Enter the lenght of point 4 as 1 in the command line in +X direction
- Enter the lenght of point 5 as 4 in the command line in -y direction
- Enter the lenght of point 6 as 3 in the command line in +X direction
- Enter the lenght of point 7 as 7 in the command line in +Y direction at an angle 110 degree mentioned obove case
- Enter the lenght of point 8 as 3 in the command line in -X direction
- Then click the close from the command line to close the figure.
RESULT:-
3. CREATE A GEOMETRY FOE P4 FIGURE USING ABSOLUTE COORDINATES SYSTEM
ANSWER:-
Absolute coordinate system
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (2,1)
- Specify the point 2 as (3,1)
- Specify the point 3 as (3,5)
- Specify the point 4 as (5,3)
- Specify the point 5 as (7,5)
- Specify the point 6 as (7,1)
- Specify the point 7 as (8,1)
- Specify the point 8 as (8,8)
- Specify the point 9 as (7,8)
- Specify the point 10 as (5,5)
- Specify the point 11 as (3,8)
- Specify the point 12 as (2,8)
- Then click the close from the command line to close the figure.
RESULT:-
4. CREATE A GEOMETRY FOE P5 FIGURE USING RELATIVE RECTANGULAR COORDINATES SYSTEM
ANSWER:-
Relative rectangular coordinates system
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (2,1)
- Specify the point 2 as (@1,0)
- Specify the point 3 as (@0,7)
- Specify the point 4 as (@5,0)
- Specify the point 5 as (@0,-6)
- Specify the point 6 as (@-3,0)
- Specify the point 7 as (@0,-1)
- Specify the point 8 as (@4,0)
- Specify the point 8 as (@0,8)
- Specify the point 8 as (@-7,0)
- Then click the close from the command line to close the figure.
RESULT:-
5. CREATE A GEOMETRY FOE P7 FIGURE USING ABSOLUTE COORDINATES SYSTEM
ANSWER:-
- Absolute coordinate system
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (2,1)
- Specify the point 2 as (10,1)
- Specify the point 3 as (10,7)
- Specify the point 4 as (2,7)
- Then click the close from the command line to close the figure.
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (3,2)
- Specify the point 2 as (5,2)
- Specify the point 3 as (5,5)
- Specify the point 4 as (3,5)
- Then click the close from the command line to close the figure.
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (6,2)
- Specify the point 2 as (8,2)
- Specify the point 3 as (8,5)
- Specify the point 4 as (6,5)
- Then click the close from the command line to close the figure.
RESULT:-
6. CREATE A GEOMETRY FOE P8 FIGURE USING RELATIVE RECTANGULAR COORDINATES SYSTEM
ANSWER:-
Relative rectangular coordinates system
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (0,0)
- Specify the point 2 as (@10,0)
- Specify the point 3 as (@0,2)
- Specify the point 4 as (@-4,0)
- Specify the point 5 as (@0,4)
- Specify the point 6 as (@-3,0)
- Specify the point 7 as (@3,0)
- Specify the point 8 as (@0,2)
- Specify the point 8 as (@-8,0)
- Specify the point 8 as (@0,-2)
- Specify the point 9 as (@3,0)
- Specify the point 10 as (@0,-4)
- Specify the point 11 as (@-4,0)
- Then click the close from the command line to close the figure.
RESULT:-
7. CREATE A GEOMETRY FOE P9 FIGURE USING ABSOLUTE COORDINATES SYSTEM
ANSWER:-
Absolute coordinate system
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (1,1)
- Specify the point 2 as (6,1)
- Specify the point 3 as (6,3)
- Specify the point 4 as (3,3)
- Specify the point 5 as (3,2)
- Specify the point 6 as (2,2)
- Specify the point 7 as (2,4)
- Specify the point 8 as (5,4)
- Specify the point 9 as (5,6)
- Specify the point 10 as (1,8)
- Then click the close from the command line to close the figure.
RESULT:-
8. CREATE A GEOMETRY FOE P10 FIGURE USING RELATIVE POLAR COORDINATES SYSTEM
ANSWER:-
Relative polar coordinates
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (1,1)
- Specify the point 2 as (@2<0)
- Specify the point 3 as (@3<90)
- Specify the point 4 as (@3<0)
- Specify the point 5 as (@4<90)
- Specify the point 6 as (@5<180)
- Then click the close from the command line to close the figure.
- Specify the starting coordinate point 7 as (2,5)
- Specify the point 8 as (@3<0)
- Specify the point 9 as (@2<90)
- Specify the point 10 as (@3<180)
- Then click the close from the command line to close the figure.
RESULT:-
PART B:- Civil Related Problems
Draw the profile and the trusses using any coordinate system methods. The dimensions are there for references.
CREATE A GEOMETRY FOR WOOD PROFILE USING DIRECT DISTANCE ENTRY METHOD
ANSWER:-
Direct distance entry system
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (0,0)
- Enter the lenght of point 2 as 10 in the command line in +X direction
- Enter the lenght of point 3 as 1 in the command line in +y direction
- Enter the lenght of point 4 as 2 in the command line in -X direction
- Enter the lenght of point 5 as 4 in the command line in +y direction
- Enter the lenght of point 6 as 2 in the command line in +X direction
- Enter the lenght of point 7 as 1 in the command line in +Y direction
- Enter the lenght of point 7 as 5.831 in the command at an angle of 149.036 degree from +X direction.
- Enter the lenght of point 8 as 5.831 in the command at an angle of 210.964 degree from +X direction.
- Enter the lenght of point 9 as 2 in the command line in +X direction
- Enter the lenght of point 10 as 5 in the command line in -Y direction
- Enter the lenght of point 11 as 2 in the command line in -X direction
- Then click the close from the command line to close the figure.
- Lastly select the circle tool by typing Circle in the command line .
- give circle center point as 5,4
- specify the circle radius as 2
RESULT:-
CREATE A GEOMETRY FOR QUEEN POST TRUSS USING RELATIVE POLAR COORDINATES SYSTEM
ANSWER:-
Relative polar coordinates
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (1,1)
- Specify the point 2 as (@4<90)
- Specify the point 3 as (@5<45)
- Specify the point 4 as (@5<315)
- Specify the point 5 as (@4<270)
- Go out from line command by pressing Esc
- Specify the starting coordinate point 7 as (1,5)
- Specify the point 8 as (@1<0)
- Specify the point 9 as (@2.5355<0)
- Specify the point 10 as (@2.5355<0)
- Specify the point 10 as (@1<0)
- Go out from line command by pressing Esc
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (2,5)
- Specify the point 2 as (@1<90)
- Specify the point 3 as (@2.7256<338)
- Specify the point 4 as (@2.7256<22)
- Specify the point 5 as (@1<270)
- Go out from line command by pressing Esc
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (4.5,5)
- Specify the point 2 as (@3.53571<90)
- Go out from line command by pressing Esc
RESULT:-
CREATE A GEOMETRY FOR MONO PITCH USING ABSOLUTE COORDINATES SYSTEM
ANSWER:-
Mono pitch creation using Absolute coordinate system is as below;
- Select the line command either from command line or from toolbar and start put coordinates in the command line.
- Specify the starting coordinate point as (1,1)
- Specify the point 2 as (7,1)
- Specify the point 3 as (7,3)
- Then click the close from the command line to close the figure.
- Specify the point 4 as (3,1)
- Specify the point 5 as (3,1.667)
- Specify the point 6 as (5,1)
- Specify the point 7 as (5,2.333)
- Specify the point 8 as (7,1)
- then Esc to go out from line command
RESULT:-
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