+optimize imports

import 'dart:math' show Point;
import 'dart:convert' show utf8;
- Optimized imports
- Added `Polygon.hasSamePoint()`
- [Issue raised for `List<List<dyanamic>>` to `List<List<num>>` casting exception](dart-lang/sdk#36614 "Dart-lang List<List<dyanamic>> to List<List<num>> Casting Issue")

CHANGELOG.md

@@ -1,5 +1,6 @@
 ## 1.0.0
 - Initial version, created by Stagehand
+- Had `Polygon`, `contains()`
 ## 1.0.1 
 As suggested by pub.dartlang.org analysis
 - Ran dartfmt on poly.dart & 
@@ -13,4 +14,8 @@ Added following functions & examples for -
 * [Easy Casting](example/easy_casting.dart)
 * [Simple CSV](example/simple_csv.dart)
 * [Conversion](example/conversion.dart)
+## 1.0.4
+- Optimized imports
+- Added `Polygon.hasSamePoint()`
+- [Issue raised for `List<List<dyanamic>>` to `List<List<num>>` casting exception](https://github.com/dart-lang/sdk/issues/36614 "Dart-lang List<List<dyanamic>> to List<List<num>> Casting Issue")
 

README.md

@@ -3,10 +3,11 @@ A library for checking if given point(s) is present inside Polygon or not.
 ## Usage
 ### [1. A  very simple usage example ](example/poly_example.dart "Basic example")
  1. Creates 2 Polygons from `List<Point>`
+ 2. Checks if 2 `Polygon` have same vertices i.e. `points` : using `hasSamePoint()`
  2. Prints if given Points are inside Polygon
  3. Prints if all points in list are inside Polygon or not 
  4. Prints list of result for List of points if they are inside Polygon or not
-* Here `isPointInside(Point( ))`, `contains(x,y)`, `areAllPointsInsidePolygon_ListPoint()` & `getList_IsListOfPointInside()` are used.
+* Here `hasSamePoint()`, `isPointInside(Point( ))`, `contains(x,y)`, `areAllPointsInsidePolygon_ListPoint()` & `getList_IsListOfPointInside()` are used.
 
 ### [2. Example of Conversions `List <=> Point`, `List<Point> <=> List<List>` etc.](example/conversion.dart) 
 1. Example of `toPoint()` 
@@ -62,7 +63,7 @@ A library for checking if given point(s) is present inside Polygon or not.
     > type `int` is not a subtype of type `List<num>` in type cast
 * Passing `List` instead of `List<List>` but, without casting it : throws `TypeError` as shown below :
     > type `List<dynamic>` is not a subtype of type `List<List<num>>`
-* ****Note: currently casting `List<List<dynamic>>` to `List<List<num>>` gives following `CastError` exception:****
+* [****Note: currently casting `List<List<dynamic>>` to `List<List<num>>` gives following `CastError` exception:****](https://github.com/dart-lang/sdk/issues/36614 "Dart-lang List<List<dyanamic>> to List<List<num>> Casting Issue")
     * without `as List<List<num>>` - 
     > type `List<dynamic>` is not a subtype of type `List<num>` in type cast
     * with `as List<List<num>>` - 

example/easy_casting.dart

@@ -1,7 +1,6 @@
 import 'package:poly/poly.dart';
 
 main() {
-  //TODO while coping contains run dartfmt on ost code
   int correct_count = 0;
   int exception_count = 0;
 
@@ -34,7 +33,7 @@ main() {
 
   //  2. Passing `List` instead of `List<List>`
   //  * Passing `List` instead of `List<List>` & casting it : throws `CastError` as shown below :
-  //    * type 'int' is not a subtype of type 'List<num>' in type cast
+  //    * type `int` is not a subtype of type `List<num>` in type cast
   try {
     List wrongDynamicList = [1, 2];
     var wrongPoint = toListOfPoint(wrongDynamicList);
@@ -44,7 +43,7 @@ main() {
         "${++exception_count}. ${e.runtimeType} Exception handled : \n \t \u2022 ${e}");
   }
   //  * Passing `List` instead of `List<List>` but, without casting it : throws `TypeError` as shown below :
-  //    * type 'List<dynamic>' is not a subtype of type 'List<List<num>>'
+  //    * type `List<dynamic>` is not a subtype of type `List<List<num>>`
   try {
     List wrongDynamicList = [1, 2];
     var wrongPoint = toListOfPoint(wrongDynamicList.cast());
@@ -54,7 +53,7 @@ main() {
         "${++exception_count}. ${e.runtimeType} Exception handled : \n \t \u2022 ${e}");
   }
   //TODO - Check how to List to List<List> or add List as an element in List<List>
-  // type 'List<dynamic>' is not a subtype of type 'List<num>' in type cast
+  // type `List<dynamic>` is not a subtype of type `List<num>` in type cast
   try {
     var l = [correctDynamicList];
     print("${l.runtimeType}");
@@ -64,7 +63,7 @@ main() {
         "${++exception_count}. ${e.runtimeType} Exception handled : \n \t \u2022 ${e}");
   }
 
-  //type 'List<List<dynamic>>' is not a subtype of type 'List<List<num>>' in type cast
+  //type `List<List<dynamic>>` is not a subtype of type `List<List<num>>` in type cast
   try {
     var l = [correctDynamicList] as List<List<num>>;
     print("${l.runtimeType}");

example/exception_handling.dart

@@ -4,7 +4,6 @@ main() {
   int exception_count = 0;
   // Because of Error that List<dynamic> isn't subtype of List<int>
   // So, List a can't be used without casting
-  List<num> c1 = [1, 2];
   List<num> w1 = [1, 2, 3];
   List<List<num>> w2 = [
     [1, 2],
@@ -15,13 +14,6 @@ main() {
     [3, 4],
     [5, 6]
   ];
-  List<List<num>> c3 = [
-    c2,
-    [
-      [7, 8]
-    ]
-  ].expand((x) => x).toList();
-//  print("c3:$c3");
 
   //  Exception - 1
   ///  NeedsAtLeastThreePoints is thrown if Polygon.points contains less than 3 points
@@ -35,7 +27,7 @@ main() {
   // Exception - 2
   ///WrongSizeForPoint is thrown if to_Point has more or less than 2 element. Point has only x and y.
   try {
-    var b = toPoint(w1);
+    Point pointWithMoreThanXY = toPoint(w1);
   } on WrongSizeForPoint catch (e) {
     print(
         "${++exception_count}. ${e.runtimeType} Exception handled : \n \t \u2022 Wrong size, List must have 2 element. Current Size: ${e.inputListLength()}");
@@ -56,7 +48,7 @@ main() {
 //  Exception - 4
   /// `CastError` example - List<num> to List<List<int>>
   try {
-    Polygon ooo = toPolyFromListOfList(w1.cast());
+    Polygon wrongPoly = toPolyFromListOfList(w1.cast());
   } on TypeError catch (e) {
     print(
         "${++exception_count}. ${e.runtimeType} Exception handled : \n \t \u2022 ${e}");

example/poly_example.dart

@@ -14,7 +14,7 @@ main() {
   /// List of Points can be passed as parameter to constructor Polygon()
   Polygon testPolygon = Polygon(l);
   // Or Just Pass List inside constructor
-  Polygon a = Polygon([
+  Polygon copyOfFirstPolygon = Polygon([
     Point(18.4851825, 73.8498851),
     Point(18.4849214, 73.8498675),
     Point(18.4855965, 73.8520493),
@@ -24,6 +24,12 @@ main() {
   ]);
   Point in1 = Point(18.48569, 73.85067);
 
+  /// Example of `hasSamePoint()`
+  /// *Checks if 2 `Polygon` have same vertices i.e. `points`
+  // * Should print `true`
+  print(
+      "${++example_count}. `testPolygon` and `copyOfFirstPolygon` are same : ${testPolygon.hasSamePoint(copyOfFirstPolygon)}");
+
   /// A Point can be checked if it's present inside the Polygon by passing [Point i] to isPointInside function
   // Should Print true
   print(
@@ -32,7 +38,7 @@ main() {
   /// X,Y can be checked if they are present inside polygon by passing [x,y] to contains function
   // Should Print true
   print(
-      "${++example_count}. Polygon a contains :(18.48569, 73.85067) - ${a.contains(18.48569, 73.85067)}");
+      "${++example_count}. Polygon a contains :(18.48569, 73.85067) - ${copyOfFirstPolygon.contains(18.48569, 73.85067)}");
 
   /// Multiple Points inside a List can be tested by passing it to areAllPointsInsidePolygon_ListPoint
   // Should Print true

lib/poly.dart

@@ -4,9 +4,11 @@ library poly;
 
 export 'dart:math';
 
-import 'dart:math';
+import 'dart:math' show Point;
 import 'package:csv/csv.dart';
-import 'dart:convert';
+import 'dart:convert' show utf8;
+import 'package:collection/collection.dart' as checkList show DeepCollectionEquality;
+
 
 // Appends 2 or 3 Strings - DO not use - problem
 
@@ -101,10 +103,13 @@ Polygon toPolyFromListOfList(List<List<num>> list_of_list) {
 //import 'package:json_serializable/json_serializable.dart';
 // TODO: Add json support ??
 // TODO: Polygon Name ??
+
+/// A class for representing two-dimensional Polygon defined with `List<Point<num>> points`.
 class Polygon {
   final List<Point<num>> points;
   String name;
 
+  ///Create a `Polygon` with vertices at `points`.
   /// Pass a `List<Point<num>>`
   Polygon(List<Point<num>> points) : points = points.toList(growable: false) {
     var _number_of_point = this.points.length;
@@ -142,6 +147,18 @@ class Polygon {
     return (depth & 1) == 1;
   }
 
+  /// Checks if 2 `Polygon` have same vertices i.e. `points`
+  bool hasSamePoint(Polygon anotherPolygon){
+    bool same = (points.length == anotherPolygon.points.length);
+    if(!same){
+      return false;
+    }
+    else{
+//      int _length = points.length;
+      Function deepEq = const checkList.DeepCollectionEquality.unordered().equals;
+      return deepEq(points, anotherPolygon.points);
+    }
+  }
   /// returns `true` if `Point` is present inside `Polygon`
   bool isPointInside(Point i) {
     return contains(i.x, i.y);
@@ -276,48 +293,6 @@ Future<List<List>> csvToListOfList(var csvString,
   return listOfList;
 }
 
-//Future<Polygon> csvToPoly_casting_issue(var input, {bool isReversed = false}) async {
-//  List<List<num>> fields = await input
-//      .transform(utf8.decoder)
-//      .transform(new CsvToListConverter())
-//      .toList();
-//  if (fields[0][0].runtimeType == String) {
-//    fields.removeAt(0);
-//  }
-//  final List<List<num>> numList = fields.cast<List<num>>();
-//  List<List<num>> rever = [];
-//  for (int i = 0; i < numList.length; i++) {
-//    num x = numList[i][1].toDouble();
-//    num y = numList[i][0].toDouble();
-//    rever.add([x, y]);
-//  }
-//  Polygon _out = to_poly_from_list_of_list(numList);
-//  return _out;
-//}
-////WOrks - type double
-//Future<void> csvToTemp(var input, {bool isReversed = false}) async {
-//  List<List> fields = await input
-//      .transform(utf8.decoder)
-//      .transform(new CsvToListConverter())
-//      .toList();
-//  if (fields[0][0].runtimeType == String) {
-//    fields.removeAt(0);
-//  }
-////  final List<List<num>> numList = fields.cast<List<num>>();
-//
-//  List<List<num>> rever = [];
-//  for (int i = 0; i <fields.length; i++) {
-//    var x = fields[i][1];
-//    var y = fields[i][0];
-//    print(x.runtimeType);
-//    rever.add([x, y]);
-//  }
-////  return x;
-////  Polygon _out = to_poly_from_list_of_list(rever);
-////  return _out;
-//}
-// Works
-
 /// * Returns `Future<Polygon>` based on `csvString`
 /// * `csvString` may or may not contain header row
 /// * This function checks if `latitude,longitude` or `x,y` are reversed
@@ -361,3 +336,44 @@ Future<Polygon> csvToPoly(var csvString, {bool isReversed = false}) async {
   Polygon _out = toPolyFromListOfList(numList);
   return _out;
 }
+
+//Future<Polygon> csvToPoly_casting_issue(var input, {bool isReversed = false}) async {
+//  List<List<num>> fields = await input
+//      .transform(utf8.decoder)
+//      .transform(new CsvToListConverter())
+//      .toList();
+//  if (fields[0][0].runtimeType == String) {
+//    fields.removeAt(0);
+//  }
+//  final List<List<num>> numList = fields.cast<List<num>>();
+//  List<List<num>> rever = [];
+//  for (int i = 0; i < numList.length; i++) {
+//    num x = numList[i][1].toDouble();
+//    num y = numList[i][0].toDouble();
+//    rever.add([x, y]);
+//  }
+//  Polygon _out = to_poly_from_list_of_list(numList);
+//  return _out;
+//}
+////WOrks - type double
+//Future<void> csvToTemp(var input, {bool isReversed = false}) async {
+//  List<List> fields = await input
+//      .transform(utf8.decoder)
+//      .transform(new CsvToListConverter())
+//      .toList();
+//  if (fields[0][0].runtimeType == String) {
+//    fields.removeAt(0);
+//  }
+////  final List<List<num>> numList = fields.cast<List<num>>();
+//
+//  List<List<num>> rever = [];
+//  for (int i = 0; i <fields.length; i++) {
+//    var x = fields[i][1];
+//    var y = fields[i][0];
+//    print(x.runtimeType);
+//    rever.add([x, y]);
+//  }
+////  return x;
+////  Polygon _out = to_poly_from_list_of_list(rever);
+////  return _out;
+//}

pubspec.yaml

@@ -1,14 +1,15 @@
 name: poly
 description: A library for checking if given point(s) is present inside Polygon or not.
-version: 1.0.3
+version: 1.0.4
 homepage: https://github.com/Sacchid/poly
 author: sacchi <email@example.com>
 
 environment:
   sdk: '>=2.1.0 <3.0.0'
 
 dependencies:
-  csv: ^4.0.2
+  csv: ^4.0.3
+  collection: ^1.14.11
 #  json_serializable: ^2.1.0
 #  path: ^1.4.1