Bulge effect

The Bulge effect distorts an image around a specified point, making the image appear to bulge toward or away from the viewer, depending on the options you select.

Eran Stern explains how to use the Bulge effect in a video tutorial on the Motionworks website.

This effect works with 8-bpc and 16-bpc color.

Original (upper-left), and with variations of Bulge applied (lower-left and right)

Horizontal Radius and Vertical Radius
The width and height of the distorted area, in pixels. You can also set the radius values by dragging the selection handles in the layer.

Bulge Height
The apparent depth of the bulge. Positive values push the bulge toward the viewer. Negative values pull the bulge away from the viewer.

Taper Radius
The shallowness of the sides of the bulge. A taper radius of 0 produces a steep, pronounced bulge.

Antialiasing
The amount of edge smoothing (blending of colors) at the boundaries of the bulge. Anti-aliasing is applied only when the layer quality is set to Best.

Pin All Edges
Prevents the edges of the layer from bulging.