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AIM- (A)To Create the geometries from P1 to P2 using all the coordinates system method and for P3 to P10 using any coordinate system by using the Line tool. (B)To draw profile and the trusses using any coordinate system methods and by using circle tool when required. INTRODUCTION- In Autocad,there are two coordinate…
Samiksha dhole
updated on 24 Jun 2022
AIM-
(A)To Create the geometries from P1 to P2 using all the coordinates system method and for P3 to P10 using any coordinate system by using the Line tool.
(B)To draw profile and the trusses using any coordinate system methods and by using circle tool when required.
INTRODUCTION-
In Autocad,there are two coordinate systems:
(1)Cartesian (2)Polar.
To these coordinate systems,the absolute and relative coordinates of Autocad are applicable.
Coordinate system-It is the system where numbers are used to determine the unique position of points and other geometric elements.
There three types of Coordinate systems,
(1)Absolute Coordinate system.
(2)Relative Coordinate system.
(3) Direct distance entry.
COMMAND USED-
1.Line command.
2.Dimlinear command.
3.Text command.
4.Layer command.
5.Circle command.
PROCEDURE-
Starting Autocad Software:
[Note:This procedure is followed each time new drawing is to be created]
A)To Create the geometries from P1 to P10 using the coordinates system method
1)Drafting geometry of P1 by all coordinate system
a)By Absolute Coordinate System:
Select 'LINE' command and specify starting point (2,1).
The Coordinates points are(8,1),(8,2),(3,2),(3,6),(8,6),(8,7),(2,7).
Command 'Close' enter.
b)By Relative Rectangular Coordinate system:
Select 'LINE' command and specify starting point (2,1).
The Coordinates points are(@6,0),(@0,1),(@-5,0),(@0,4)(@5,0)(@0,1),(@6,0).
Command 'Close' enter.
c)By Relative Polar Coordinate system:
Select 'LINE' command and specify starting point (2,1).
The Coordinates points are (@6<0),(@1<90),(@5<180),(@4<90),(@5<0),(@1<90),(@6<180).
Command 'Close' enter.
d)By Direct Entry Method system:
Select 'LINE' command and specify starting point (2,1).
The Coordinates points are 6 in +ve x-axis,1 in +ve y-axis,5 in -ve x-axis,4 in +ve y-axis,5 in +ve x-axis,1 in +ve y-axis,6 in -ve x-axis.
Command 'Close' enter.
RESULT:
2)Drafting geometry of P2 by all coordinate system
a)By Absolute Coordinate System:
Select 'LINE' command and specify starting point (2,1).
The Coordinates points are(5,1),(5,5),(6,5),(6,1),(9,1),(7,8),(4,8).
Command 'Close' enter.
b)By Relative Rectangular Coordinate system:
Select 'LINE' command and specify starting point (2,1).
The Coordinates points are(@3,0),(@0,4),(@1,0),(@0,-4)(@3,0)(@-2,7),(@-3,0).
Command 'Close' enter.
c)By Relative Polar Coordinate system:
Select 'LINE' command and specify starting point (2,1).
The Coordinates points are (@3<0),(@4<90),(@4<270),(@3<0),(@7<106),(@3<180).
Command 'Close' enter.
d)By Direct Entry Method system:
Select 'LINE' command and specify starting point (2,1).
The Coordinates points are 3 in +ve x-axis,4 in +ve y-axis,1 in -ve x-axis,4 in +ve y-axis,3 in +ve x-axis,7 in +ve x-axis <106 ,3 in -ve x-axis.
Command 'Close' enter.
RESULT:
3)Drafting geometry of P4 by Relative rectangular coordinate system
Select 'LINE' command and specify starting point (2,1).
The Coordinates points are(@1,0),(@0,4),(@2,-2),(@2,2)(@0,-4)(@1,0),(@0,7),(@-2,-3),(@2,-3),(@-1,0),(@0,-7)
Command 'Close' enter.
RESULT:
4)Drafting geometry of P5 by Relative rectangular coordinate system
Select 'LINE' command and specify starting point (2,1).
The Coordinates points are(@1,0),(@0,7),(@5,0),(@0,-6)(@-3,0)(@0,-1),(@4,0),(@0,8),(@-7,0).
Command 'Close' enter.
RESULT:
5)Drafting geometry of P7 by Absolute coordinate system
Select 'LINE' command and specify starting point (2,1).
The Coordinates points are(10,1),(10,7),(2,7).
Command 'Close' enter.
Line command and specify point coordinate are(3,2),(5,2),(5,5),(3,5).
Command 'Close' enter.
Line command and specify point coordinate are(6,2),(8,2),(8,5),(6,5).
Command 'Close' enter.
RESULT:
6)Drafting geometry of P8 by Relative Rectangular coordinate system
Select 'LINE' command and specify starting point (0,0).
The Coordinates points are(@10,0),(@0,2),(@-4,0),(@0,4)(@3,0)(@0,2),(@-8,0),(@0,-2),(@3,0),(@0,-4),(@-4,0).
Command 'Close' enter.
RESULT:
7)Drafting geometry of P9 by Absolute coordinate system
Select 'LINE' command and specify starting point (1,1).
The Coordinates points are(6,1),(6,3),(3,3),(3,2),(2,2),(2,4),(5,4),(5,6),(1,8).
Command 'Close' enter.
RESULT:
8)Drafting geometry of P9 by Direct Entry coordinate system
Select 'LINE' command and specify starting point (1,1).
The Coordinates points are 2 in +ve x-axis,3 in +ve y-axis,3 in +ve x-axis,4 in +ve y-axis,5 in -ve x-axis,7 in +ve y-axis.
Command 'Close' enter.
The Coordinates points are(2,5),3 in +ve x-axis,2 in +ve y-axis,3 in -ve x-axis,2 in -ve y-axis.
Command 'Close' enter.
RESULT:
(B)To draw profile and the trusses using any coordinate system methods
1)Drafting Wood Profile using Direct Entry Method:
Select 'LINE' command and specify starting point (0,0).
The Coordinates points are 10 in +ve x-axis,1 in +ve y-axis,2 in -ve x-axis,4 in +ve y-axis,2 in +ve x-axis,1 in +ve y-axis, 5.831 <149.036 in +ve x-axis,5.831 <210.964 in +ve x-axis,2 in +ve x-axis,5 in -ve y-axis,2 in +ve x-axis.
Command 'Close' enter.
Command 'Circle' specify point 5,4 of radius 2.
2)Drafting Queen Post Truss by using Polar Coordinate System:
Select 'LINE' command and specify starting point (1,1).
The Coordinates points are (@4<90),(@5<45),(@5<315),(@4<270).
Press 'Esc'.
Select 'LINE' command and specify starting point (1,5).
The Coordinates points are (@1<0),(@2.5355<0),(@2.5355<0),(@1<0).
Press 'Esc'.
Select 'LINE' command and specify starting point (2,5).
The Coordinates points are (@1<90),(@2.7256<338),(@2.7256<22),(@1<270).
Press 'Esc'.
Select 'LINE' command and specify starting point (4.5,5).
The Coordinates points are (@3.5355<90).
Press 'Esc'.
RESULT:
3)Drafting Mono Pitch by using Absolute Coordinate System:
Select 'LINE' command and specify starting point (1,1).
The Coordinates points are(7,1),(7,3).
Command 'Close' enter.
Select 'LINE' command and specify starting point (3,1).
The Coordinates points are(3,1.667),(5,1),(5,2.333),(7,1).
Press 'Esc'.
RESULT:
RESULT -
The geometries are clearly mentioned in all drawings with all proper dimensions.
The geometries from P1 to P10 are done using coordinates system method.
The profile and the trusses is done using proper coordinate system method.
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