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Ray Tracing Resolution

Interpolation Box
Coarse, Fine, or Super determines whether a 17, 9, or 1 square pixel grouping is used to determine intensity variation in a COLOR image or the search resolution in the ETCH algorithm.

If the colors are the same at the corners and center of the square, the intensities are filled in by interpolation, otherwise the square is subdivided.

There is no interpolation in Super resolution mode. Each Pixel is calculated.

Pixel Size
The number of screen pixels painted for each logical pixel ray traced with COLOR.

For ETCH the size of the screen pixel block used in the edge-finding algorithm.

User Pixel 4 X 4 2 X 2 1 X 1 Screen Pixels

Increasing the resolution increases processing time.

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