The L%LINES Package (opens in new tab)

The L%LINES Package Griffith, Arnold K. The program (L%LINES X Y) takes feature point output from the FP%FPOINTS program (q.v.) for horizontal and vertical scans (X and Y respectively); and outputs a list consisting of two lists of line segments, represented in an obvious manner, obtained from the respective arguments. "Feature points" are points on the field of view which seem to lie along some edge in the scene. The line segments output by L%LINES are obtained by examining a set of feature ...