Sony DVS-9000 System User Manual page 468

Perspective
H = –100
Inverting the flex shadow
In the <Invert> group of the Flex Drop Shadow menu, select the direction to
invert the shadow.
H: Invert the shadow in the horizontal direction. The inversion is applied
V: Invert the shadow in the vertical direction. The inversion is applied around
Picture
Flex shadow
After inversion
Setting a combine shadow
When there are several images, adds a flex shadow in the depth of an image or
overlays multiple flex shadows.
468
DME Special Effect Operations
Perspective
H = +100
around the axis of the knob 2 parameter Axis Loc V set with [Axis Loc].
the axis of the knob 1 parameter Axis Loc H set with [Axis Loc].
Before inversion
When H is enabled
Perspective
V = –100
When V is enabled
Perspective
V = +100
Before inversion
After inversion