douglas_peucker 0.0.4

  • Readme
  • Changelog
  • Installing
  • 66

Polyline simplification library for dart projects like flutter.

Extracted from PHP: AKeN / simplify-php (by Rotari Gheorghe)

HOW TO USE #

 import 'package:douglas_peucker/douglas_peucker.dart';

.
.
.


List<Point> points = List<Point>();

points.add(Point(0,-1));
points.add(Point(0,0));
points.add(Point(1,3));
points.add(Point(4,6));
points.add(Point(10,9));



 List <Point> newPolyline = DouglasPeucker.simplify(points,tolerance: 0.0004,highestQuality:false);


0.0.1 #

  • Initial version

Use this package as a library

1. Depend on it

Add this to your package's pubspec.yaml file:


dependencies:
  douglas_peucker: ^0.0.4

2. Install it

You can install packages from the command line:

with pub:


$ pub get

with Flutter:


$ flutter pub get

Alternatively, your editor might support pub get or flutter pub get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:


import 'package:douglas_peucker/douglas_peucker.dart';
  
Popularity:
Describes how popular the package is relative to other packages. [more]
46
Health:
Code health derived from static analysis. [more]
99
Maintenance:
Reflects how tidy and up-to-date the package is. [more]
70
Overall:
Weighted score of the above. [more]
66
Learn more about scoring.

We analyzed this package on Nov 4, 2019, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.6.0
  • pana: 0.12.21

Platforms

Detected platforms: Flutter, web, other

No platform restriction found in primary library package:douglas_peucker/douglas_peucker.dart.

Health suggestions

Fix lib/src/douglas_peucker.dart. (-1.49 points)

Analysis of lib/src/douglas_peucker.dart reported 3 hints:

line 38 col 11: Don't explicitly initialize variables to null.

line 115 col 11: Use isEmpty instead of length

line 115 col 37: Use isEmpty instead of length

Format lib/douglas_peucker.dart.

Run dartfmt to format lib/douglas_peucker.dart.

Maintenance suggestions

Maintain an example. (-10 points)

Create a short demo in the example/ directory to show how to use this package.

Common filename patterns include main.dart, example.dart, and douglas_peucker.dart. Packages with multiple examples should provide example/README.md.

For more information see the pub package layout conventions.

Package is pre-v0.1 release. (-10 points)

While nothing is inherently wrong with versions of 0.0.*, it might mean that the author is still experimenting with the general direction of the API.

The description is too long. (-10 points)

Search engines display only the first part of the description. Try to keep the value of the description field in your package's pubspec.yaml file between 60 and 180 characters.

Dependencies

Package Constraint Resolved Available
Direct dependencies
Dart SDK >=2.0.0 <3.0.0