public Parallel(Segment segment1, Segment segment2) : base()
{
this.segment1 = segment1;
this.segment2 = segment2;
if (!segment1.IsParallelWith(segment2))
{
throw new ArgumentException("Given lines are not parallel: " + segment1 + " ; " + segment2);
}
}
public Parallel(Segment segment1, Segment segment2)
: base()
{
this.segment1 = segment1;
this.segment2 = segment2;
if (!segment1.IsParallelWith(segment2))
{
throw new ArgumentException("Given lines are not parallel: " + segment1 + " ; " + segment2);
}
}
public Parallelogram(Segment left, Segment right, Segment top, Segment bottom) : base(left, right, top, bottom)
{
if (!left.IsParallelWith(right))
{
throw new ArgumentException("Given opposing segments are not parallel: " + left + " " + right);
}
if (!top.IsParallelWith(bottom))
{
throw new ArgumentException("Given opposing segments are not parallel: " + top + " " + bottom);
}
}
public Parallelogram(Segment left, Segment right, Segment top, Segment bottom)
: base(left, right, top, bottom)
{
if (!left.IsParallelWith(right))
{
throw new ArgumentException("Given opposing segments are not parallel: " + left + " " + right);
}
if (!top.IsParallelWith(bottom))
{
throw new ArgumentException("Given opposing segments are not parallel: " + top + " " + bottom);
}
}
public Trapezoid(Segment left, Segment right, Segment top, Segment bottom)
: base(left, right, top, bottom)
{
if (left.IsParallelWith(right))
{
if (left.Length > right.Length)
{
baseSegment = left;
oppBaseSegment = right;
leftLeg = top;
rightLeg = bottom;
}
else
{
baseSegment = right;
oppBaseSegment = left;
leftLeg = top;
rightLeg = bottom;
}
}
else if (top.IsParallelWith(bottom))
{
if (top.Length > bottom.Length)
{
baseSegment = top;
oppBaseSegment = bottom;
leftLeg = left;
rightLeg = right;
}
else
{
baseSegment = bottom;
oppBaseSegment = top;
leftLeg = left;
rightLeg = right;
}
}
else
{
throw new ArgumentException("Quadrilateral does not define a trapezoid; no sides are parallel: " + this);
}
topLeftBaseAngle = GetAngle(new Angle(leftLeg, oppBaseSegment));
topRightBaseAngle = GetAngle(new Angle(rightLeg, oppBaseSegment));
bottomLeftBaseAngle = GetAngle(new Angle(leftLeg, baseSegment));
bottomRightBaseAngle = GetAngle(new Angle(rightLeg, baseSegment));
FindMedian();
}
//
// Creates a basic S-Shape with standsOnEndpoints
//
// offThis ______
// |
// offThat ______|
//
// Return <offThis, offThat>
public KeyValuePair <Point, Point> CreatesBasicCShape(Intersection thatInter)
{
KeyValuePair <Point, Point> nullPair = new KeyValuePair <Point, Point>(null, null);
// A valid transversal is required for this shape
if (!this.CreatesAValidTransversalWith(thatInter))
{
return(nullPair);
}
if (!this.StandsOnEndpoint())
{
return(nullPair);
}
if (!thatInter.StandsOnEndpoint())
{
return(nullPair);
}
//
// Determine offThis and offThat
//
Segment transversal = this.AcquireTransversal(thatInter);
Segment parallelThis = this.OtherSegment(transversal);
Segment parallelThat = thatInter.OtherSegment(transversal);
Point offThis = transversal.PointLiesOnAndBetweenEndpoints(parallelThis.Point1) ? parallelThis.Point2 : parallelThis.Point1;
Point offThat = transversal.PointLiesOnAndBetweenEndpoints(parallelThat.Point1) ? parallelThat.Point2 : parallelThat.Point1;
// Avoid S-shape scenario
Segment crossingTester = new Segment(offThis, offThat);
Point intersection = transversal.FindIntersection(crossingTester);
// We may have parallel crossingTester and transversal; that's ok
if (crossingTester.IsParallelWith(transversal))
{
return(new KeyValuePair <Point, Point>(offThis, offThat));
}
// S-shape
if (transversal.PointLiesOnAndBetweenEndpoints(intersection))
{
return(nullPair);
}
// C-Shape
return(new KeyValuePair <Point, Point>(offThis, offThat));
}
/// <summary>
/// Figure out what possible segment combinations are before showing the window.
/// </summary>
protected override void OnShow()
{
options = new Dictionary <GeometryTutorLib.ConcreteAST.Segment, List <GeometryTutorLib.ConcreteAST.Segment> >();
//Get a list of all congruent segment givens
List <GroundedClause> psegs = new List <GroundedClause>();
foreach (GroundedClause gc in currentGivens)
{
GeometricParallel pseg = gc as GeometricParallel;
if (pseg != null)
{
psegs.Add(pseg);
}
}
//Pick a first segment...
foreach (GeometryTutorLib.ConcreteAST.Segment ts1 in parser.backendParser.implied.segments)
{
List <GeometryTutorLib.ConcreteAST.Segment> possible = new List <GeometryTutorLib.ConcreteAST.Segment>();
GeometryTutorLib.ConcreteAST.Segment s1 = new GeometryTutorLib.ConcreteAST.Segment(ts1.Point1, ts1.Point2);
//... and see what other segments are viable second options.
foreach (GeometryTutorLib.ConcreteAST.Segment ts2 in parser.backendParser.implied.segments)
{
GeometryTutorLib.ConcreteAST.Segment s2 = new GeometryTutorLib.ConcreteAST.Segment(ts2.Point1, ts2.Point2);
if (s1.IsParallelWith(s2))
{
GeometricParallel pseg = new GeometricParallel(s1, s2);
if (!s1.StructurallyEquals(s2) && !StructurallyContains(psegs, pseg))
{
possible.Add(s2);
}
}
}
//If we found a possible list of combinations, add it to the dictionary
if (possible.Count > 0)
{
options.Add(s1, possible);
}
}
//Set the options of the segment1 combo box
segment1.ItemsSource = null; //Graphical refresh
segment1.ItemsSource = options.Keys;
}
public Trapezoid(Segment left, Segment right, Segment top, Segment bottom) : base(left, right, top, bottom)
{
if (left.IsParallelWith(right))
{
if (left.Length > right.Length)
{
baseSegment = left;
oppBaseSegment = right;
leftLeg = top;
rightLeg = bottom;
}
else
{
baseSegment = right;
oppBaseSegment = left;
leftLeg = top;
rightLeg = bottom;
}
}
else if (top.IsParallelWith(bottom))
{
if (top.Length > bottom.Length)
{
baseSegment = top;
oppBaseSegment = bottom;
leftLeg = left;
rightLeg = right;
}
else
{
baseSegment = bottom;
oppBaseSegment = top;
leftLeg = left;
rightLeg = right;
}
}
else
{
throw new ArgumentException("Quadrilateral does not define a trapezoid; no sides are parallel: " + this);
}
topLeftBaseAngle = GetAngle(new Angle(leftLeg, oppBaseSegment));
topRightBaseAngle = GetAngle(new Angle(rightLeg, oppBaseSegment));
bottomLeftBaseAngle = GetAngle(new Angle(leftLeg, baseSegment));
bottomRightBaseAngle = GetAngle(new Angle(rightLeg, baseSegment));
FindMedian();
}
//
// Creates a basic S-Shape with standsOnEndpoints
//
// offThis ______
// |
// offThat ______|
//
// Return <offThis, offThat>
public KeyValuePair<Point, Point> CreatesBasicCShape(Intersection thatInter)
{
KeyValuePair<Point, Point> nullPair = new KeyValuePair<Point, Point>(null, null);
// A valid transversal is required for this shape
if (!this.CreatesAValidTransversalWith(thatInter)) return nullPair;
if (!this.StandsOnEndpoint()) return nullPair;
if (!thatInter.StandsOnEndpoint()) return nullPair;
//
// Determine offThis and offThat
//
Segment transversal = this.AcquireTransversal(thatInter);
Segment parallelThis = this.OtherSegment(transversal);
Segment parallelThat = thatInter.OtherSegment(transversal);
Point offThis = transversal.PointLiesOnAndBetweenEndpoints(parallelThis.Point1) ? parallelThis.Point2 : parallelThis.Point1;
Point offThat = transversal.PointLiesOnAndBetweenEndpoints(parallelThat.Point1) ? parallelThat.Point2 : parallelThat.Point1;
// Avoid S-shape scenario
Segment crossingTester = new Segment(offThis, offThat);
Point intersection = transversal.FindIntersection(crossingTester);
// We may have parallel crossingTester and transversal; that's ok
if (crossingTester.IsParallelWith(transversal)) return new KeyValuePair<Point, Point>(offThis, offThat);
// S-shape
if (transversal.PointLiesOnAndBetweenEndpoints(intersection)) return nullPair;
// C-Shape
return new KeyValuePair<Point, Point>(offThis, offThat);
}
