daylight 0.2.0

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  • Changelog
  • Example
  • Installing
  • 64

Dart Daylight #

Pub

Get the sunset and sunrise times for a geolocation without having to access any api.

This is a simple implementation of the legendary Sunset/Sunrise algorithm.

Usage #

Check the API docs, example and tests for more information about how to use it.

import 'package:daylight/daylight.dart';


final berlin = Location(52.518611, 13.408056);
final berlinCalculator = DaylightCalculator(berlin);
final dailyResults = berlinCalculator.calculateForDay(DateTime.now(), Zenith.astronomical);
print(dailyResults.sunrise); // Some UTC datetime with sunrise hours like 08:32
print(dailyResults.sunset);
print(dailyResults.type); // day type, will probably be sunriseAndSunset if you dont live in svalbard or antartida


double eventHourEpoch = berlinCalculator.calculateEvent(DateTime.now(), Zenith.official, EventType.sunset);
print(DateTime.fromMillisecondsSinceEpoch(eventHourEpoch.floor()));

[0.2.0] #

  • Formalized API, tests and more docs.

[0.1.0] #

  • Added license and api docs

[0.0.1] #

  • A sun rises

example/example.dart

import 'package:intl/intl.dart';
import 'package:daylight/daylight.dart';

void main() {
  const berlin = const DaylightLocation(52.518611, 13.408056);
  final october = DateTime(2020, 10, 15);

  // Create berlin calculator
  const berlinSunCalculator = const DaylightCalculator(berlin);

  // calculate for sunrise on civil twilight
  final civilSunrise = berlinSunCalculator.calculateEvent(
    october,
    Zenith.civil,
    EventType.sunrise,
  );
  print(DateFormat("HH:mm:ss").format(civilSunrise)); // utc: 05:58:18

  // calculate for sunrise and sunset on astronomical twilight
  final astronomicalEvents = berlinSunCalculator.calculateForDay(
    october,
    Zenith.astronomical
  );
  print(DateFormat("HH:mm:ss").format(astronomicalEvents.sunset)); // utc: 19:03:55
  print(DateFormat("HH:mm:ss").format(astronomicalEvents.sunrise)); // utc: 04:39:09
  print(astronomicalEvents.type); // DayType.sunriseAndSunset
}

Use this package as a library

1. Depend on it

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


dependencies:
  daylight: ^0.2.0

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:daylight/daylight.dart';
  
Popularity:
Describes how popular the package is relative to other packages. [more]
27
Health:
Code health derived from static analysis. [more]
100
Maintenance:
Reflects how tidy and up-to-date the package is. [more]
100
Overall:
Weighted score of the above. [more]
64
Learn more about scoring.

We analyzed this package on Feb 26, 2020, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.7.1
  • pana: 0.13.5

Dependencies

Package Constraint Resolved Available
Direct dependencies
Dart SDK >=2.6.0 <3.0.0
angles ^1.2.1 1.2.1
intl ^0.16.1 0.16.1
test ^1.9.0 1.12.0
Transitive dependencies
_fe_analyzer_shared 1.0.3
analyzer 0.39.4
args 1.5.2
async 2.4.0
boolean_selector 2.0.0
charcode 1.1.3
collection 1.14.12
convert 2.1.1
coverage 0.13.6
crypto 2.1.4
csslib 0.16.1
glob 1.2.0
html 0.14.0+3
http 0.12.0+4
http_multi_server 2.2.0
http_parser 3.1.3
io 0.3.3
js 0.6.1+1
logging 0.11.4
matcher 0.12.6
meta 1.1.8
mime 0.9.6+3
multi_server_socket 1.0.2
node_interop 1.0.3
node_io 1.0.1+2
node_preamble 1.4.8
package_config 1.9.1
package_resolver 1.0.10
path 1.6.4
pedantic 1.9.0
pool 1.4.0
pub_semver 1.4.3
shelf 0.7.5
shelf_packages_handler 1.0.4 2.0.0
shelf_static 0.2.8
shelf_web_socket 0.2.3
source_map_stack_trace 1.1.5
source_maps 0.10.9
source_span 1.6.0
stack_trace 1.9.3
stream_channel 2.0.0
string_scanner 1.0.5
term_glyph 1.1.0
test_api 0.2.14
test_core 0.3.0
typed_data 1.1.6
vm_service 2.3.1
watcher 0.9.7+13
web_socket_channel 1.1.0
webkit_inspection_protocol 0.5.0
yaml 2.2.0