LineSeg

The most narrow type preserved in some 2d geometric transformations.

The angle of this line segment.

Draws this geometric element to produce a GraphElem graphical element, tht can be displayed or printed.

The end point of the LineSeglike. The type of start point will depend on the VT vertex type. For example a Pt2 for a LineSeg a PtM2 for a LineSegM2.

Gives the Vec2 point at the specified distance to the left of the end point. At the end point turn left 90 degrees and then travel the given distance to the point. The Vec2 of that point is returned by this method.

Gives the Vec2 point at the specified distance to the right of the end point. At the end point turn right 90 degrees and then travel the given distance to the point. The Vec2 of that point is returned by this method.

The angle 90 degrees anti-clock wise from the angle of this directed line segment. The angle one gets by turning left from this Sline.

The mid or half way point of this lineSeg.

Gives the Vec2 point at the specified distance to the left of the mid point. At the mid point turn left 90 degrees and then travel the given distance to the point. The Vec2 of that point is returned by this method.

Gives the Vec2 point at the specified distance to the right of the mid point. At the mid point turn right 90 degrees and then travel the given distance to the point. The Vec2 of that point is returned by this method.

1st parameter name.

2nd parameter name.

A method to perform all the ProlignPreserve transformations with a function from PT2 => PT2.

Checks whether a forward horizontal ray crosses this polygon side.

The relative vector Vec2 of the start point from the end point.

The angle 90 degrees clock wise from the angle of this line segment. The angle one gets by turning from from this Sline.

Element 1 of this Show 2 element product.

Element 2 of this Show 2 element product.

The start point of the LineSeglike. The type of start point will depend on the VT vertex type. For example a Pt2 for a LineSeg a PtM2 for a LineSegM2.

Gives the Vec2 point at the specified distance to the left of the start point. At the start point turn left 90 degrees and then travel the given distance to the point. The Vec2 of that point is returned by this method.

Gives the Vec2 point at the specified distance to the right of the start point. At the start point turn right 90 degrees and then travel the given distance to the point. The Vec2 of that point is returned by this method.

The RSON type of T. This the only data that a ShowT instance requires, that can't be implemented through delegation to an object of type Show.

The relative vector Vec2 of the end point from the start point.

Performs the side effecting function on each Double in this Product element.

A StrArr Arr of the element type names of this Show Product class.

Mirror, reflection 2D geometric transformation across the Y axis by negating X. The return type will be narrowed in sub traits / classes.

Mirror, reflection 2D geometric transformation across the X axis by negating y. The return type will be narrowed in sub traits / classes.

Number of parameter constituents of this class.

The optional default value for parameter 1.

The optional default value for parameter 2.

The end point Pt2 of this curve segment. Often called p2 on a line or p4 on a cubic bezier in other APIs.

Start point of this curve segment, often called p1

Sequence of the names of parameter constituents of this class.

2D Transformation using a ProlignMatrix. The return type will be narrowed in sub classes / traits.

Reflect 2D geometric transformation across a line, line segment or ray on a GeomElem. The return type will be narrowed in sub classes and traits.

Rotation 2D geometric transformation on a GeomElem. The return type will be narrowed in sub classes and traits.

Rotation of 180 degrees, 2D geometric transformation on a GeomElem, returns a GeomElem. The return type will be narrowed in sub classes and traits.

Rotation positive or anti clockwise 270 degrees, 2D geometric transformation on a GeomElem, returns a GeomElem. The return type will be narrowed in sub classes and traits.

Rotation positive or anti clockwise 90 degrees, 2D geometric transformation on a GeomElem, returns a GeomElem. The return type will be narrowed in sub classes and traits.

Uniform 2D geometric scaling transformation. The scale name was chosen for this operation as it is normally the desired operation and preserves Circles and Squares. Use the xyScale method for differential scaling. The Return type will be narrowed in sub traits / classes.

Scaling X and Y axes independently, 2D geometric transformation on this GeomElem, returns a new GeomElem. This allows different scaling factors across X and Y dimensions. The return type will be narrowed in sub classes and traits. This is an affine transformation but it is not a similar transformation.

Shear 2D geometric transformation along the X Axis on a GeomElem. The return type will be narrowed in sub classes and traits. This is an affine transformation but it is not a similar transformation.

Shear 2D geometric transformation along the Y Axis on a GeomElem. The return type will be narrowed in sub classes and traits. This is an affine transformation but it is not a similar transformation.

Intended to be a multiple parameter comprehensive Show method. Intended to be paralleled by showT method on ShowT type class instances.

Intended to be a multiple parameter comprehensive Show method. Intended to be paralleled by showT method on ShowT type class instances.

Intended to be a multiple parameter comprehensive Show method. Intended to be paralleled by showT method on ShowT type class instances.

A StrArr Arr collection of the show methods return values of the elements of this Show Product class.

A StrArr Arr collection of the show methods return values of the elements of this Show Product class.

Translate 2D geometric transformation, taking the xOffset and yOffset as parameters on this GeomElem returning a GeomElem. The Return type will be narrowed in sub traits. End users will often want to use the slate method taking a Pt2 or Vec2 as a parameter, the slateX or the slateY methods. These methods will be offered as extension methods using this method for their implementations.

The most basic Show method, paralleling the strT method on ShowT type class instances.

Show with decimal precision of 0 places.

Show with decimal precision of 1 place padding with a zero if necessary.

Show with decimal precision of 2 places padding with zeros if necessary.

Show with decimal precision of 3 places padding with zeros if necessary.

Returns a string representation of the object.

The default representation is platform dependent.

The X component of the end point of this curve segment. Often called x2 on a line or x4 on a cubic bezier in other APIs.

The Y component of the end point of this curve segment. Often called y2 on a line or y4 on a cubic bezier in other APIs.

The X component of the start point of this curve segment often called x1 in other APIs.

The Y component of the start point of this curve segment, often called y1 in other APIs.

The ShowT type class instance for the 1st element of this 2 element product.

The ShowT type class instance for the 2nd element of this 2 element product.