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Questions and Answers
What is the General Scanline Polygon Filling Algorithm used for?
What is the General Scanline Polygon Filling Algorithm used for?
- Filling a polygon with color by finding pixels inside and at its border (correct)
- Drawing horizontal lines across a polygon
- Storing intersection points of scan lines
- Creating a polygon with edges and vertices
What are scan lines in the context of the algorithm?
What are scan lines in the context of the algorithm?
- Lines connecting the vertices of the polygon
- Vertical lines crossing the polygon
- Horizontal lines crossing the polygon (correct)
- Diagonal lines crossing the polygon
How are intersection points of scan lines used in the algorithm?
How are intersection points of scan lines used in the algorithm?
- To create a buffer for storing points
- To color the pixels inside the polygon (correct)
- To draw additional lines within the polygon
- To connect the vertices of the polygon
What happens as the scan line passes through the edges of a triangle in this algorithm?
What happens as the scan line passes through the edges of a triangle in this algorithm?
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How does the algorithm handle more complicated polygons?
How does the algorithm handle more complicated polygons?
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