mainprogram@lineset1.f subroutine line1 (ln, po, r, g, b) Description: This program draws a polygonal line in giving double end coordinate and color of the segment, and in connecting the coordinate in one stroke in the order. Input variable: ln : The data number. po(3*ln) : The coordinate of the point (x, y, z) is given in the order. r : The red value. [0,1] g : The green value. [0,1] b : The blue value. [0,1] Drawing example: lineset1.wrl