A line that defines and controls the surface behaviour of a triangulated irregular network (TIN) in terms of smoothness and continuity. Physical examples of breaklines are ridge lines, streams, and lake shorelines.
A mid-sentence or paragraph that continues the story on the following page. Sometimes used to mean turnline.
A linear feature that defines and controls the surface behavior of a tin in terms of smoothness and continuity. Breaklines are always maintained as linear features in a tin. Stereo-digitized features containing x,y,z values such as streams and shorelines containing an elevation attribute are often stored as breakline features.