Interpolated based methods are based on logo border. In this section you can configure how logo borders are created. This selectors are invented to help user configure interpolation. When selecting some border to Interpolate configure its ends with valid points. Interpolate Border is recomputed as gradient interpolation.
Border is overwritten with interpolated pixels.
Back to dialogbox or t.o.c. Clicking this gadget enables realtime preview of video. Using this feature and logo visible border speeds up setting logo parameters. This button is disabled when no video file is loaded into VirtualDub. Visible borders When checked - each border is marked with little dots.