Clip the lines segment p(70,20) to Q(100,10) against a window having lower left corner (50,10) and upper right corner(80,40) using the visible portion of the line segment
Answers
Using the visible portion of the line segment the answer is given below:
Explanation:
Using mid-point sub-division algorithm:
The visual portion of line segment joining a line P ( -10,20 ) and Q ( 50,10 ).
We have ,
A = ( 0,0 )
B = ( 40,0 )
C = ( 40,40 )
D = ( 0,40 )
There is a line have starting point P and ending point Q as a mid point.
E1 = { ( -10 + 50 ) / 2 . ( 20 + 100 / 2 ) }
E1 = ( 20,15 )
For the line PE1:
Starting point End point Mid point
( -10,20 ) ( 50,10 ) ( 20,15 )
( -10,20 ) ( 20,15 ) ( 5, 17.5 )
( -10,20 ) ( 5,17 ) ( 2.5 , 18.5 )
( -10,20 ) ( 2,18 ) ( 4,19 )
( -10,20 ) ( 4,19 ) ( 3, 19.5 )
For the line QE1:
Starting point End point Mid point
( 20, 15 ) ( 50,10 ) ( 35, 12.5 )
( 20, 15 ) ( 35,12 ) ( 27.5 , 13.5 )
( 20, 15 ) ( 27,13 ) ( 23.5 ,14 )
( 20, 15 ) ( 23,14 ) ( 21.5 , 14.5 )
( 20, 15 ) ( 21,14 ) ( 20.5 , 14.5 )
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