Co‐ordinate systems used in CAD
- Using Absolute Coordinate System :
Draw a line from point (5,5) to Point (10,10)
Command: LINE
From a point: 5,5 (Select the point by mouse or enter the coordinates by keyboard).
To point : 10,10
To point : (Press Enter).
Fig.: To draw a line using an Absolute Coordinate System
- Using Relative Coordinate System :
Draw a line from point (2,2) to point 5 units on the x‐axis and 8 units on the y‐axis relative to first
coordinate Command : LINE From point : 2, 2 To point : @ 5,8
To point : (Press Enter)
Fig.: To draw a line using the Relative Coordinate System
- Using Polar Coordinates :
Draw a line from point (1, 2) to a length of 6 units of 90 degree
Command : LINE From point : 1,2 To point : @6 90
To point : (Press Enter)
Fig.: To draw a line using the Polar Coordinate System
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