// Calculates and displays the segment lengths
// of segmented line and polygon selections.

  getSelectionCoordinates(xpoints, ypoints);
  getPixelSize(unit, pixelWidth, pixelHeight)
  for (i=1; i<xpoints.length; i++) {
     dx = (xpoints[i] - xpoints[i-1])*pixelWidth;
     dy = (ypoints[i] - ypoints[i-1])*pixelHeight;
     length = sqrt(dx*dx+dy*dy);
     print(i, length);
  }