missing.wings Function (GPL)

Syntax

missing.wings()

Description

Specifies that the graphic element continues after a valid value in the direction of the next valid value but then breaks just before and after the missing value. This is like interpolating through the missing value and erasing the graphic element at the missing value. For line charts, the result looks similar to wings.

Examples

Figure 1. Example: Specifying wings for missing values

ELEMENT: line(position(x*y), missing.wings())