private abstract class PolygonSorter

geometry :: PolygonSorter

Sorter for polygon vertices

Introduced properties

private var _center: COMPARED

geometry :: PolygonSorter :: _center

Center of the polygon's points
private fun calc_center(pts: Array[Array[Float]]): COMPARED

geometry :: PolygonSorter :: calc_center

Calculate the center
private fun center: COMPARED

geometry :: PolygonSorter :: center

Center of the polygon's points
private fun center=(center: COMPARED)

geometry :: PolygonSorter :: center=

Center of the polygon's points
private init with_center(pts: Array[Array[Float]])

geometry :: PolygonSorter :: with_center

init calculating the center

Redefined properties

redef type COMPARED: Point[Float]

geometry $ PolygonSorter :: COMPARED

What to compare to
redef type SELF: PolygonSorter

geometry $ PolygonSorter :: SELF

Type of this instance, automatically specialized in every class

All properties

fun !=(other: nullable Object): Bool

core :: Object :: !=

Have self and other different values?
fun ==(other: nullable Object): Bool

core :: Object :: ==

Have self and other the same value?
type CLASS: Class[SELF]

core :: Object :: CLASS

The type of the class of self.
type COMPARED: nullable Object

core :: Comparator :: COMPARED

What to compare to
type SELF: Object

core :: Object :: SELF

Type of this instance, automatically specialized in every class
private var _center: COMPARED

geometry :: PolygonSorter :: _center

Center of the polygon's points
fun bubble_sort(array: Array[COMPARED], from: Int, to: Int)

core :: Comparator :: bubble_sort

Bubble-sort array between from and to indices
private fun build_heap(array: Array[COMPARED]): Int

core :: Comparator :: build_heap

private fun calc_center(pts: Array[Array[Float]]): COMPARED

geometry :: PolygonSorter :: calc_center

Calculate the center
private fun center: COMPARED

geometry :: PolygonSorter :: center

Center of the polygon's points
private fun center=(center: COMPARED)

geometry :: PolygonSorter :: center=

Center of the polygon's points
protected fun class_factory(name: String): CLASS

core :: Object :: class_factory

Implementation used by get_class to create the specific class.
fun class_name: String

core :: Object :: class_name

The class name of the object.
abstract fun compare(a: COMPARED, b: COMPARED): Int

core :: Comparator :: compare

Compare a and b.
fun get_class: CLASS

core :: Object :: get_class

The meta-object representing the dynamic type of self.
fun hash: Int

core :: Object :: hash

The hash code of the object.
fun heap_sort(array: Array[COMPARED], from: Int, to: Int)

core :: Comparator :: heap_sort

Heap-sort array between from and to indices
private fun heapify(array: Array[COMPARED], from: Int, to: Int)

core :: Comparator :: heapify

init init

core :: Object :: init

fun insertion_sort(array: Array[COMPARED], from: Int, to: Int)

core :: Comparator :: insertion_sort

Insertion-sort array between from and to indices
fun inspect: String

core :: Object :: inspect

Developer readable representation of self.
protected fun inspect_head: String

core :: Object :: inspect_head

Return "CLASSNAME:#OBJECTID".
intern fun is_same_instance(other: nullable Object): Bool

core :: Object :: is_same_instance

Return true if self and other are the same instance (i.e. same identity).
fun is_same_serialized(other: nullable Object): Bool

core :: Object :: is_same_serialized

Is self the same as other in a serialization context?
intern fun is_same_type(other: Object): Bool

core :: Object :: is_same_type

Return true if self and other have the same dynamic type.
fun is_sorted(seq: SequenceRead[COMPARED]): Bool

core :: Comparator :: is_sorted

Is seq sorted?
fun max(a: COMPARED, b: COMPARED): COMPARED

core :: Comparator :: max

Returns the maximum between a and b.
private fun merge(array: Array[COMPARED], from: Int, mid: Int, to: Int)

core :: Comparator :: merge

fun merge_sort(array: Array[COMPARED], from: Int, to: Int)

core :: Comparator :: merge_sort

Merge-sort array between from and to indices
fun min(a: COMPARED, b: COMPARED): COMPARED

core :: Comparator :: min

Returns the minimum between a and b.
private intern fun native_class_name: CString

core :: Object :: native_class_name

The class name of the object in CString format.
intern fun object_id: Int

core :: Object :: object_id

An internal hash code for the object based on its identity.
fun output

core :: Object :: output

Display self on stdout (debug only).
intern fun output_class_name

core :: Object :: output_class_name

Display class name on stdout (debug only).
fun quick_sort(array: Array[COMPARED], from: Int, to: Int)

core :: Comparator :: quick_sort

Quick-sort array between from and to indices
fun serialization_hash: Int

core :: Object :: serialization_hash

Hash value use for serialization
fun sort(array: Array[COMPARED])

core :: Comparator :: sort

Sort array using the compare function.
private fun sub_sort(array: Array[COMPARED], from: Int, to: Int)

core :: Comparator :: sub_sort

Sort array between from and to indices
intern fun sys: Sys

core :: Object :: sys

Return the global sys object, the only instance of the Sys class.
abstract fun to_jvalue(env: JniEnv): JValue

core :: Object :: to_jvalue

fun to_s: String

core :: Object :: to_s

User readable representation of self.
private init with_center(pts: Array[Array[Float]])

geometry :: PolygonSorter :: with_center

init calculating the center
package_diagram geometry::polygon::PolygonSorter PolygonSorter core::Comparator Comparator geometry::polygon::PolygonSorter->core::Comparator core::Object Object core::Comparator->core::Object ...core::Object ... ...core::Object->core::Object geometry::polygon::CounterClockWiseSort CounterClockWiseSort geometry::polygon::CounterClockWiseSort->geometry::polygon::PolygonSorter geometry::polygon::ClockWiseSort ClockWiseSort geometry::polygon::ClockWiseSort->geometry::polygon::PolygonSorter

Ancestors

interface Object

core :: Object

The root of the class hierarchy.

Parents

interface Comparator

core :: Comparator

This abstract class generalizes ways to sort an array

Children

private class ClockWiseSort

geometry :: ClockWiseSort

Sort the vertices of a polygon in clockwise order
private class CounterClockWiseSort

geometry :: CounterClockWiseSort

Sort the vertices of a polygon in counter clockwise order

Class definitions

geometry $ PolygonSorter 
# Sorter for polygon vertices
private abstract class PolygonSorter
	super Comparator

	redef type COMPARED: Point[Float]

	# Center of the polygon's points
	var center: COMPARED

	# init calculating the center
	init with_center(pts : Array[Array[Float]]) do
		init(calc_center(pts))
	end

	# Calculate the center
	fun calc_center(pts : Array[Array[Float]]): COMPARED do
		var sumx = 0.0
		var sumy = 0.0
		for ap in pts do
			sumx += ap[0]
			sumy += ap[1]
		end
		return new Point[Float](sumx / pts.length.to_f, sumy / pts.length.to_f)
	end
end
lib/geometry/polygon.nit:308,1--332,3
Nit tools. Version .