Esempio n. 1
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  /**
   * This returns true when the line between pt1 and pt2 crosses the seam. When the cone is
   * flattened, the "seam" is lon0 +- 180.
   *
   * @param pt1 point 1
   * @param pt2 point 2
   * @return true when the line between pt1 and pt2 crosses the seam.
   */
  public boolean crossSeam(ProjectionPoint pt1, ProjectionPoint pt2) {
    // either point is infinite
    if (ProjectionPointImpl.isInfinite(pt1) || ProjectionPointImpl.isInfinite(pt2)) return true;

    // opposite signed X values, larger then 5000 km
    return (pt1.getX() * pt2.getX() < 0) && (Math.abs(pt1.getX() - pt2.getX()) > 5000.0);
  }
Esempio n. 2
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  /**
   * Does the line between these two points cross the projection "seam".
   *
   * @param pt1 the line goes between these two points
   * @param pt2 the line goes between these two points
   * @return false if there is no seam
   */
  public boolean crossSeam(ProjectionPoint pt1, ProjectionPoint pt2) {
    // either point is infinite
    if (ProjectionPointImpl.isInfinite(pt1) || ProjectionPointImpl.isInfinite(pt2)) {
      return true;
    }

    // opposite signed long lines: LOOK ????
    return (pt1.getX() * pt2.getX() < 0);
  }