Package com.vividsolutions.jts.math

Examples of com.vividsolutions.jts.math.Vector2D.translate()

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      Vector2D base = Vector2D.create(p0, p1);
      Coordinate midPt = base.multiply(0.5).translate(p0);
     
      Vector2D heightVec = base.multiply(THIRD_HEIGHT);
      Vector2D offsetVec = heightVec.rotateByQuarterCircle(1);
      Coordinate offsetPt = offsetVec.translate(midPt);
     
      int n2 = level - 1;
      Coordinate thirdPt = base.multiply(ONE_THIRD).translate(p0);
      Coordinate twoThirdPt = base.multiply(TWO_THIRDS).translate(p0);
     
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      Vector2D base = Vector2D.create(p0, p1);
      Coordinate midPt = base.multiply(0.5).translate(p0);
     
      Vector2D heightVec = base.multiply(THIRD_HEIGHT);
      Vector2D offsetVec = heightVec.rotateByQuarterCircle(1);
      Coordinate offsetPt = offsetVec.translate(midPt);
     
      int n2 = level - 1;
      Coordinate thirdPt = base.multiply(ONE_THIRD).translate(p0);
      Coordinate twoThirdPt = base.multiply(TWO_THIRDS).translate(p0);
     
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    Vector2D normOffset = normalizedOffset(nearPt, p1, p2);
    Vector2D baseOffset = normOffset.multiply(dist);
    Vector2D rotatedOffset = baseOffset.rotateByQuarterCircle(quadrant);
   
    return rotatedOffset.translate(vertexPt);
    //return null;
  }

  private Coordinate displaceFromCorner(Coordinate nearPt, Coordinate p1, Coordinate p2, double dist)
  {
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    Vector2D innerBisec = u2.rotate(ang / 2);
        Vector2D offset = innerBisec.multiply(dist);
    if (! isInsideCorner(vertexPt, nearPt, corner[0], corner[1])) {
        offset = offset.multiply(-1);
    }
    return offset.translate(vertexPt);
  }

  private static final double MAX_ARM_NEARNESS_ANG = 20.0 / 180.0 * Math.PI;
 
  private static double maxAngleToBisector(double ang)
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    Vector2D pointwiseDisplacement = Vector2D.create(nearPt, vertexPt).normalize();
    double stretchAng = pointwiseDisplacement.angleTo(bisec);
    double stretchAngClamp = MathUtil.clamp(stretchAng, -maxAngToBisec, maxAngToBisec);
    Vector2D cornerDisplacement = bisec.rotate(-stretchAngClamp).multiply(dist);
    return cornerDisplacement.translate(vertexPt);
  }

  private boolean isInsideCorner(Coordinate queryPt, Coordinate base, Coordinate p1, Coordinate p2)
  {
      return CGAlgorithms.orientationIndex(base, p1, queryPt) == CGAlgorithms.CLOCKWISE
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  private Coordinate displaceFromFlatCorner(Coordinate nearPt, Coordinate p1, Coordinate p2, double dist)
  {
    // compute perpendicular bisector of p1-p2
    Vector2D bisecVec = Vector2D.create(p2, p1).rotateByQuarterCircle(1);
    Vector2D offset = bisecVec.normalize().multiply(dist);
    return offset.translate(vertexPt);
  }
}
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