Relation between test spheres and parallel rays – Sony Multi Interface Shoe Adapter User Manual

Page 550

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DME Special Effect Operations

Fill blending modes

Specifies the way in which the light is blended with the image.

Mix:

Light as if reflected from a mirror. The light can be given a color.

Multiply:

Light as if reflected from a dull surface (diffuse reflection).

Relation between test spheres and parallel rays

The following figure shows an example of the effect of parallel rays on a test
sphere.

The direction of a ray is defined by longitude and latitude.
• Longitude: A direction (angle), expressed as a plus value for clockwise

rotation in the plus direction with respect to the X axis of the input picture.

• Latitude: Latitude

The following figure shows the relationships between the longitude and
latitude of parallel rays, input picture, and test sphere.

Radius

Angle

Offset

Angle:

Rotation angle

Initial center position

Test sphere

Ray

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