In Y shear for horizontal line __________ changes.

Related MCQs

• One edge of the polygon has coordinates (10,20) and (15,40). In scan line polygon filling at the ith step x-value of the intersection point of the scan line ‘i’ and above mentioned edge is 12. What will be the x-value of the intersection point of the scan line in i+1 th step?
• One edge of the polygon has coordinates (10,20) and (15,40). In scan line polygon filling at the ith step x-value of the intersection point of the scan line ‘i’ and above mentioned edge is 14. What will be the x-value of the intersection point of the scan line in i+1 th step?
• In X-shear _________ line tilts to right or left.
• In an inside test if intersections point is a vertex and edges meeting at that vertex lies on same side of constructed horizontal line then the number of intersections are considered as ----------. Note : intersection point is a vertex
• In an inside test if intersections point is a vertex and edges meeting at that vertex lies on ------------- side of constructed horizontal line then the number of intersections are considered as even number . Note : intersection point is a vertex
• Horizontal lines are not considered in scan line fill algorithm.
• In winding number method , constructed horizontal line between point Q and point P intersects two edges of the polygon with winding no. +1 and -1. Tell whether point Q is inside or outside and what is the net winding ? Note : Q is the point to be tested for inside test.P is point outside the polygon.
• In winding number method , constructed horizontal line between point Q and point P intersects edge of the polygon with winding no. +1 . Tell whether point Q is inside or outside and what is the net winding ? Note : Q is the point to be tested for inside test. P is point outside the polygon.
• the horizontal and vertical lines drawn by line drawing algorithm are……
• the horizontal and vertical lines appear …….the 45 degree line.