Dotted line : gradation

mainprogram�@pointset2.f
subroutine  point2 (ln, po, sco, eco)

Description: This program draws dotted line that it gives the coordinate of the point.

Input variable:
  ln : The data number
  po(3*ln) : The coordinate of the point (x, y, z) is given in the order
  sco : The color in the start of the gradation (color code)
  eco : The color in the end of the gradation (color code)
  color code (1: white 2: yellow 3: mazenda 4: red 5: sian 6: green 7: blue )

Drawing example: pointset2.wrl