public Deflection(ptsAngle anAngle)
 {
     this.deflectionDirection = Math.Sign(anAngle.angle_);
      angle__ = Math.Abs(anAngle.angle_);
 }
        public void appendTangent(ptsPoint TangentEndPoint)
        {
            // See "Solving SSA triangles"
             // http://www.mathsisfun.com/algebra/trig-solving-ssa-triangles.html

             var lastChainItem = allChildSegments.Last();
             if (!(lastChainItem is rm21HorArc))
            throw new Exception("Can't add tangent on a tangent segment.");

             var finalArc = lastChainItem as rm21HorArc;

             var incomingTanRay = new ptsRay(); incomingTanRay.StartPoint = finalArc.BeginPoint;
             incomingTanRay.HorizontalDirection = finalArc.BeginAzimuth;
             int offsetSide = Math.Sign(incomingTanRay.getOffset(TangentEndPoint));
             double rad = finalArc.Radius;
             Azimuth traverseToRevisedCenterPtAzimuth = finalArc.BeginAzimuth + offsetSide * Math.PI/2.0;
             ptsVector traverseToRevisedCenterPt = new ptsVector(traverseToRevisedCenterPtAzimuth, rad);
             ptsPoint revCenterPt = finalArc.BeginPoint + traverseToRevisedCenterPt;

             ptsVector ccToTEPvec = finalArc.ArcCenterPt - TangentEndPoint;

             ptsAngle rho = Math.Asin(rad / ccToTEPvec.Length);
             ptsAngle ninetyDegrees = new ptsAngle();
             ninetyDegrees.setFromDegreesDouble(90.0);
             ptsAngle tau = ninetyDegrees - rho;

             Azimuth ccToPtVecAz = ccToTEPvec.Azimuth;
             Azimuth arcBegRadAz = finalArc.BeginRadiusVector.Azimuth;

             ptsCogo.Angle.Deflection outerDefl = ccToPtVecAz.minus(arcBegRadAz);
             ptsDegree  defl = Math.Abs((tau - outerDefl).getAsDegreesDouble()) * offsetSide;
             Deflection newDeflection = new Deflection(defl.getAsRadians());
             finalArc.setDeflection(newDeflection: newDeflection);

             var appendedLineSegment = new rm21HorLineSegment(finalArc.EndPoint, TangentEndPoint);
             appendedLineSegment.BeginStation = finalArc.EndStation;
             appendedLineSegment.Parent = this;
             allChildSegments.Add(appendedLineSegment);

             this.EndAzimuth = appendedLineSegment.EndAzimuth;
             this.EndPoint = appendedLineSegment.EndPoint;
             restationAlignment();

             if (alignmentData.Count > 0)
            alignmentData.RemoveAt(alignmentData.Count-1);
             alignmentData.Add(new alignmentDataPacket(alignmentData.Count, finalArc));
             alignmentData.Add(new alignmentDataPacket(alignmentData.Count, appendedLineSegment));
        }
Exemple #3
0
 //to do:
 //setAsAzimuth
 //getAsDegreeMinuteSecond
 //setAsDegree
 //setAsDegreeMinuteSecond
 //yada
 public static Azimuth newAzimuthFromAngle(ptsAngle angle)
 {
     Azimuth retAz = new Azimuth();
      retAz.setFromDegreesDouble(angle.getAsDegreesDouble());
      return retAz;
 }