3 Commits
Author SHA1 Message Date
Ian Renton 88f055384d Internalise third-party dependencies
(cherry picked from commit 725eb619b4)
2026-06-18 20:36:46 +01:00
Ian Renton 4408203d55 Fix some IDE warnings
(cherry picked from commit 8fc3cfa56d)
2026-06-18 20:36:21 +01:00
Ian Renton af9f542740 Skip JS integrity checks since jsdelivr docs say they may re-minify sources as necessary, potentially resulting in different checksums
(cherry picked from commit e5b2afd765)
2026-06-18 20:36:03 +01:00
53 changed files with 4784 additions and 115 deletions
+6 -4
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@@ -348,9 +348,9 @@ To navigate your way around the source code, this list may help.
* `/webassets` - Root for static files served by the web server * `/webassets` - Root for static files served by the web server
* `/webassets/apidocs` - Contains the OpenAPI spec (`openapi.yml`) * `/webassets/apidocs` - Contains the OpenAPI spec (`openapi.yml`)
* `/webassets/css` - CSS files used by the web front-end * `/webassets/css` - CSS files used by the web front-end
* `/webassets/fa` - a copy of the FontAwesome library
* `/webassets/img` - image files used by the web front-end * `/webassets/img` - image files used by the web front-end
* `/webassets/js` - JavaScript used by the web front-end * `/webassets/js` - JavaScript used by the web front-end
* `/webassets/vendor` - Third-party libraries (CSS, JS, fonts and images)
*Miscellaneous* *Miscellaneous*
@@ -383,11 +383,13 @@ As well as being my work, I have also gratefully received feature patches from S
The project contains GeoJSON files for CQ and ITU zones, in the `/datafiles/` directory. These are MIT-licenced and, to my knowledge, created by HA8TKS for his CQ and ITU zone layers for Leaflet. The project contains GeoJSON files for CQ and ITU zones, in the `/datafiles/` directory. These are MIT-licenced and, to my knowledge, created by HA8TKS for his CQ and ITU zone layers for Leaflet.
The project contains a self-hosted copy of Font Awesome's free library, in the `/webassets/fa/` directory. This is subject to Font Awesome's licence and is not covered by the overall licence declared in the `LICENSE` file. This approach was taken in preference to using their hosted kits due to the popularity of this project exceeding the page view limit for their free hosted offering.
The project contains a set of flag icons generated using the "Noto Color Emoji" font on a Debian system, in the `/webassets/img/flags/` directory. The project contains a set of flag icons generated using the "Noto Color Emoji" font on a Debian system, in the `/webassets/img/flags/` directory.
The software uses a number of Python libraries as listed in `requirements.txt`, and a number of JavaScript libraries such as jQuery, Leaflet and Bootstrap. This project would not have been possible without these libraries, so many thanks to their developers. The software uses a number of Python libraries as listed in `requirements.txt`, and a number of JavaScript libraries. This project would not have been possible without these libraries, so many thanks to their developers.
### Third Party Libraries
A number of third-party libraries are self-hosted in the `/webassets/vendor/` directory. These files are subject to their own licences and are not covered by the overall licence declared in the `LICENSE` file.
Particular thanks go to country-files.com for providing country lookup data for amateur radio, to K0SWE for [this JSON-formatted DXCC data](https://github.com/k0swe/dxcc-json/), and to the developers of `pyhamtools` for making it easy to use country-files.com data as well as QRZ.com and Clublog lookup. Particular thanks go to country-files.com for providing country lookup data for amateur radio, to K0SWE for [this JSON-formatted DXCC data](https://github.com/k0swe/dxcc-json/), and to the developers of `pyhamtools` for making it easy to use country-files.com data as well as QRZ.com and Clublog lookup.
+1 -1
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@@ -12,7 +12,7 @@ class ParksNPeaks(HTTPAlertProvider):
"""Alert provider for Parks n Peaks""" """Alert provider for Parks n Peaks"""
POLL_INTERVAL_SEC = 1800 POLL_INTERVAL_SEC = 1800
ALERTS_URL = "http://parksnpeaks.org/api/ALERTS/" ALERTS_URL = "https://parksnpeaks.org/api/ALERTS/"
def __init__(self, provider_config): def __init__(self, provider_config):
super().__init__(provider_config, self.ALERTS_URL, self.POLL_INTERVAL_SEC) super().__init__(provider_config, self.ALERTS_URL, self.POLL_INTERVAL_SEC)
-1
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@@ -18,7 +18,6 @@ from core.cache_utils import SEMI_STATIC_URL_DATA_CACHE
from core.config import config from core.config import config
from core.constants import BANDS, UNKNOWN_BAND, CW_MODES, PHONE_MODES, DATA_MODES, ALL_MODES, \ from core.constants import BANDS, UNKNOWN_BAND, CW_MODES, PHONE_MODES, DATA_MODES, ALL_MODES, \
HTTP_HEADERS, HAMQTH_PRG, MODE_ALIASES HTTP_HEADERS, HAMQTH_PRG, MODE_ALIASES
from data.lookup_credentials import LookupCredentials
# QRZ XML field names differ from pyhamtools' normalised names; map them here. # QRZ XML field names differ from pyhamtools' normalised names; map them here.
_QRZ_FIELD_MAP = { _QRZ_FIELD_MAP = {
+1 -1
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@@ -143,7 +143,7 @@ class APIAlertsStreamHandler(tornado_eventsource.handler.EventSourceHandler):
if self._alert_queue not in self._sse_alert_queues: if self._alert_queue not in self._sse_alert_queues:
logging.error("Web server cleared up a queue of an active connection!") logging.error("Web server cleared up a queue of an active connection!")
self.close() self.close()
except: except Exception as e:
logging.warning("Exception in SSE callback, connection will be closed: %s", e, exc_info=True) logging.warning("Exception in SSE callback, connection will be closed: %s", e, exc_info=True)
self.close() self.close()
-2
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@@ -1,11 +1,9 @@
import json
from datetime import datetime from datetime import datetime
import pytz import pytz
import tornado import tornado
from core.prometheus_metrics_handler import api_requests_counter from core.prometheus_metrics_handler import api_requests_counter
from core.utils import serialize_everything
class APISolarConditionsHandler(tornado.web.RequestHandler): class APISolarConditionsHandler(tornado.web.RequestHandler):
+1 -1
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@@ -145,7 +145,7 @@ class APISpotsStreamHandler(tornado_eventsource.handler.EventSourceHandler):
if self._spot_queue not in self._sse_spot_queues: if self._spot_queue not in self._sse_spot_queues:
logging.error("Web server cleared up a queue of an active connection!") logging.error("Web server cleared up a queue of an active connection!")
self.close() self.close()
except: except Exception as e:
logging.warning("Exception in SSE callback, connection will be closed: %s", e, exc_info=True) logging.warning("Exception in SSE callback, connection will be closed: %s", e, exc_info=True)
self.close() self.close()
-1
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@@ -69,7 +69,6 @@
<p>This software is dedicated to the memory of Tom G1PJB, SK, a friend and colleague who sadly passed away around the time I started writing it in Autumn 2025. I was looking forward to showing it to you when it was done.</p> <p>This software is dedicated to the memory of Tom G1PJB, SK, a friend and colleague who sadly passed away around the time I started writing it in Autumn 2025. I was looking forward to showing it to you when it was done.</p>
</div> </div>
<script src="/js/common.js?v=1781335058"></script>
<script>$(document).ready(function() { $("#nav-link-about").addClass("active"); }); <!-- highlight active page in nav --></script> <script>$(document).ready(function() { $("#nav-link-about").addClass("active"); }); <!-- highlight active page in nav --></script>
{% end %} {% end %}
+9 -50
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@@ -1,6 +1,13 @@
{% extends "base.html" %} {% extends "base.html" %}
{% block content %} {% block content %}
<div id="add-spot-intro-box" class="permanently-dismissible-box mt-3">
<div class="alert alert-primary alert-dismissible fade show" role="alert">
<i class="fa-solid fa-circle-info"></i> <strong>Adding spots to Spothole</strong><br/>This page is implemented as a proof of concept for adding spots to the Spothole system. Currently, spots added in this way are only visible within Spothole and are not sent "upstream" to DX clusters or xOTA spotting sites. The functionality might be extended to include this in future if there is demand for it. If you'd like this to be added, please give a thumbs-up on <a href="https://git.ianrenton.com/ian/spothole/issues/39" target="_new" class="alert-link">issue #39</a> or get in touch via email.
<button type="button" id="add-spot-intro-box-dismiss" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
</div>
</div>
<div class="mt-3"> <div class="mt-3">
<div id="add-spot-area" class="card mb-3"> <div id="add-spot-area" class="card mb-3">
<div class="card-header"> <div class="card-header">
@@ -53,31 +60,6 @@
</div> </div>
</form> </form>
<div id="upstream-area" class="mt-3" style="display:none;">
<div class="row g-2 align-items-center">
<div class="col-auto">
<div class="form-check">
<input class="form-check-input" type="checkbox" id="submit-upstream">
<label class="form-check-label" for="submit-upstream">
Send spot to <span id="upstream-provider-label"></span>
</label>
</div>
</div>
<div class="col-auto" id="upstream-provider-select-col" style="display:none;">
<select id="upstream-provider-select" class="form-select form-select-sm"></select>
</div>
<div class="col-auto">
<button type="button" class="btn btn-sm btn-outline-secondary" id="upstream-credentials-btn" onclick="showCredentialsModal();" style="display:none;">
<i class="fa-solid fa-key"></i> Credentials
</button>
</div>
</div>
</div>
<div id="recaptcha-area" class="mt-3" style="display:none;">
<div id="recaptcha-widget"></div>
</div>
<div id="result-good"></div> <div id="result-good"></div>
<div id="result-bad"></div> <div id="result-bad"></div>
@@ -87,30 +69,7 @@
</div> </div>
<!-- Credentials modal --> <script src="/js/add-spot.js?v=1781811406"></script>
<div class="modal fade" id="credentials-modal" tabindex="-1" aria-labelledby="credentials-modal-label" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="credentials-modal-label">Credentials for <span id="credentials-provider-name"></span></h5>
<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
<p class="small text-muted">Credentials are stored only in your browser and are never saved on the server.</p>
<div id="credentials-fields"></div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
<button type="button" class="btn btn-primary" onclick="saveCredentials();">Save</button>
</div>
</div>
</div>
</div>
<script>window._recaptchaSiteKey = {% raw json_encode(web_ui_options.get('recaptcha-site-key', '')) %};
window._allowUpstreamSpotting = {% raw json_encode(web_ui_options.get('allow-upstream-spotting', True)) %};</script>
<script src="/js/common.js?v=1781335058"></script>
<script src="/js/add-spot.js?v=1781335058"></script>
<script>$(document).ready(function() { $("#nav-link-add-spot").addClass("active"); }); <!-- highlight active page in nav --></script> <script>$(document).ready(function() { $("#nav-link-add-spot").addClass("active"); }); <!-- highlight active page in nav --></script>
{% end %} {% end %}
+1 -2
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@@ -70,8 +70,7 @@
</div> </div>
<script src="/js/common.js?v=1781335058"></script> <script src="/js/alerts.js?v=1781811406"></script>
<script src="/js/alerts.js?v=1781335058"></script>
<script>$(document).ready(function() { $("#nav-link-alerts").addClass("active"); }); <!-- highlight active page in nav --></script> <script>$(document).ready(function() { $("#nav-link-alerts").addClass("active"); }); <!-- highlight active page in nav --></script>
{% end %} {% end %}
+1 -2
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@@ -1,7 +1,6 @@
{% extends "skeleton.html" %} {% extends "skeleton.html" %}
{% block head_extra %} {% block head_extra %}
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/css/bootstrap.min.css" rel="stylesheet" <link href="/vendor/css/bootstrap-5.3.8.min.css" rel="stylesheet">
integrity="sha384-sRIl4kxILFvY47J16cr9ZwB07vP4J8+LH7qKQnuqkuIAvNWLzeN8tE5YBujZqJLB" crossorigin="anonymous">
{% end %} {% end %}
{% block body %} {% block body %}
<div class="container mt-5"> <div class="container mt-5">
+2 -3
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@@ -76,9 +76,8 @@
<script> <script>
let spotProvidersEnabledByDefault = {% raw json_encode(web_ui_options["spot-providers-enabled-by-default"]) %}; let spotProvidersEnabledByDefault = {% raw json_encode(web_ui_options["spot-providers-enabled-by-default"]) %};
</script> </script>
<script src="/js/common.js?v=1781335058"></script> <script src="/js/spotsbandsandmap.js?v=1781811406"></script>
<script src="/js/spotsbandsandmap.js?v=1781335058"></script> <script src="/js/bands.js?v=1781811406"></script>
<script src="/js/bands.js?v=1781335058"></script>
<script>$(document).ready(function() { $("#nav-link-bands").addClass("active"); }); <!-- highlight active page in nav --></script> <script>$(document).ready(function() { $("#nav-link-bands").addClass("active"); }); <!-- highlight active page in nav --></script>
{% end %} {% end %}
+12 -20
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@@ -1,27 +1,19 @@
{% extends "skeleton.html" %} {% extends "skeleton.html" %}
{% block head_extra %} {% block head_extra %}
<link rel="stylesheet" href="/css/style.css?v=1781335058" type="text/css"> <link rel="stylesheet" href="/css/style.css?v=1781811406" type="text/css">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/css/bootstrap.min.css" rel="stylesheet" <link href="/vendor/css/bootstrap-5.3.8.min.css" rel="stylesheet">
integrity="sha384-sRIl4kxILFvY47J16cr9ZwB07vP4J8+LH7qKQnuqkuIAvNWLzeN8tE5YBujZqJLB" crossorigin="anonymous"> <link href="/vendor/css/fontawesome-6.7.2.min.css" rel="stylesheet">
<link href="/fa/css/fontawesome.min.css" rel="stylesheet" /> <link href="/vendor/css/solid-6.7.2.min.css" rel="stylesheet">
<link href="/fa/css/solid.min.css" rel="stylesheet" />
<script src="https://cdn.jsdelivr.net/npm/jquery@3.7.1/dist/jquery.min.js" <script src="/vendor/js/jquery-3.7.1.min.js"></script>
integrity="sha384-1H217gwSVyLSIfaLxHbE7dRb3v4mYCKbpQvzx0cegeju1MVsGrX5xXxAvs/HgeFs" <script src="/vendor/js/moment-2.29.4.min.js"></script>
crossorigin="anonymous"></script> <script src="/vendor/js/bootstrap-5.3.8.bundle.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/moment@2.29.4/moment.min.js" <script src="/vendor/js/tinycolor2-1.6.0.min.js"></script>
integrity="sha384-N1xdnJwBzqfCpEDxEeSQzv4NPVPViBQq2NLbzth3YA1pLvR9mtf+TV5g6O+KLkPY"
crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/js/bootstrap.bundle.min.js"
integrity="sha384-FKyoEForCGlyvwx9Hj09JcYn3nv7wiPVlz7YYwJrWVcXK/BmnVDxM+D2scQbITxI"
crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/tinycolor2@1.6.0/cjs/tinycolor.min.js"
integrity="sha384-L1eE4eD41kpBIWe2I0eHy+GnEUC4RIpcvibVW2JCminuPlTl+2Bc528iPdVMg5Dn"
crossorigin="anonymous"></script>
<script src="https://misc.ianrenton.com/jsutils/utils.js?v=1781335058"></script> <script src="/js/utils.js?v=1781811406"></script>
<script src="https://misc.ianrenton.com/jsutils/ui-ham.js?v=1781335058"></script> <script src="/js/ui-ham.js?v=1781811406"></script>
<script src="https://misc.ianrenton.com/jsutils/geo.js?v=1781335058"></script> <script src="/js/geo.js?v=1781811406"></script>
<script src="/js/common.js?v=1781811406"></script>
{% end %} {% end %}
{% block body %} {% block body %}
<div class="container"> <div class="container">
+2 -3
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@@ -283,9 +283,8 @@
</div> </div>
</div> </div>
<script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.9/dist/chart.umd.min.js"></script> <script src="/vendor/js/chart-4.4.9.umd.min.js"></script>
<script src="/js/common.js?v=1781335058"></script> <script src="/js/conditions.js?v=1781811406"></script>
<script src="/js/conditions.js?v=1781335058"></script>
<script>$(document).ready(function () { <script>$(document).ready(function () {
$("#nav-link-conditions").addClass("active"); $("#nav-link-conditions").addClass("active");
}); <!-- highlight active page in nav --></script> }); <!-- highlight active page in nav --></script>
+16 -17
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@@ -76,27 +76,26 @@
</div> </div>
</div> </div>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/leaflet@1.9.4/dist/leaflet.min.css"> <link rel="stylesheet" href="/vendor/css/leaflet-1.9.4.min.css">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/leaflet-extra-markers@1.2.2/dist/css/leaflet.extra-markers.min.css"> <link rel="stylesheet" href="/vendor/css/leaflet-extra-markers-1.2.2.min.css">
<script src="https://cdn.jsdelivr.net/npm/leaflet@1.9.4/dist/leaflet.min.js"></script> <script src="/vendor/js/leaflet-1.9.4.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/overlapping-marker-spiderfier-leaflet/dist/oms.min.js"></script> <script src="/vendor/js/oms-leaflet-0.2.7.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/leaflet-providers@2.0.0/leaflet-providers.min.js"></script> <script src="/vendor/js/leaflet-providers-2.0.0.js"></script>
<script src="https://cdn.jsdelivr.net/npm/leaflet-extra-markers@1.2.2/src/assets/js/leaflet.extra-markers.min.js" type="module"></script> <script src="/vendor/js/leaflet-extra-markers-1.2.2.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/leaflet.geodesic"></script> <script src="/vendor/js/leaflet-geodesic-2.7.2.umd.min.js"></script>
<script src="https://unpkg.com/leaflet.vectorgrid@latest/dist/Leaflet.VectorGrid.js"></script> <script src="/vendor/js/leaflet-vectorgrid-1.3.0.js"></script>
<script src="https://cdn.jsdelivr.net/npm/text-image/dist/text-image.js"></script> <script src="/vendor/js/text-image-0.7.0.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@joergdietrich/leaflet.terminator@1.1.0/L.Terminator.min.js"></script> <script src="/vendor/js/leaflet-terminator-1.1.0.min.js"></script>
<script src="https://ianrenton.github.io/Leaflet.Maidenhead/src/L.Maidenhead.js"></script> <script src="/vendor/js/leaflet-maidenhead.js"></script>
<script src="https://ha8tks.github.io/Leaflet.ITUzones/src/L.ITUzones.js"></script> <script src="/vendor/js/leaflet-ituzones.js"></script>
<script src="https://ha8tks.github.io/Leaflet.CQzones/src/L.CQzones.js"></script> <script src="/vendor/js/leaflet-cqzones.js"></script>
<script src="https://misc.ianrenton.com/Leaflet.WorkedAllBritainIreland/L.WorkedAllBritainIreland.js"></script> <script src="/vendor/js/leaflet-workedallbritainireland.js"></script>
<script> <script>
let spotProvidersEnabledByDefault = {% raw json_encode(web_ui_options["spot-providers-enabled-by-default"]) %}; let spotProvidersEnabledByDefault = {% raw json_encode(web_ui_options["spot-providers-enabled-by-default"]) %};
</script> </script>
<script src="/js/common.js?v=1781335058"></script> <script src="/js/spotsbandsandmap.js?v=1781811406"></script>
<script src="/js/spotsbandsandmap.js?v=1781335058"></script> <script src="/js/map.js?v=1781811406"></script>
<script src="/js/map.js?v=1781335058"></script>
<script>$(document).ready(function() { $("#nav-link-map").addClass("active"); }); <!-- highlight active page in nav --></script> <script>$(document).ready(function() { $("#nav-link-map").addClass("active"); }); <!-- highlight active page in nav --></script>
{% end %} {% end %}
+2 -3
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@@ -104,9 +104,8 @@
<script> <script>
let spotProvidersEnabledByDefault = {% raw json_encode(web_ui_options["spot-providers-enabled-by-default"]) %}; let spotProvidersEnabledByDefault = {% raw json_encode(web_ui_options["spot-providers-enabled-by-default"]) %};
</script> </script>
<script src="/js/common.js?v=1781335058"></script> <script src="/js/spotsbandsandmap.js?v=1781811406"></script>
<script src="/js/spotsbandsandmap.js?v=1781335058"></script> <script src="/js/spots.js?v=1781811406"></script>
<script src="/js/spots.js?v=1781335058"></script>
<script>$(document).ready(function() { $("#nav-link-spots").addClass("active"); }); <!-- highlight active page in nav --></script> <script>$(document).ready(function() { $("#nav-link-spots").addClass("active"); }); <!-- highlight active page in nav --></script>
{% end %} {% end %}
+1 -2
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@@ -59,8 +59,7 @@
</div> </div>
</div> </div>
<script src="/js/common.js?v=1781335058"></script> <script src="/js/status.js?v=1781811406"></script>
<script src="/js/status.js?v=1781335058"></script>
<script> <script>
$(document).ready(function() { $("#nav-link-status").addClass("active"); }); <!-- highlight active page in nav --> $(document).ready(function() { $("#nav-link-status").addClass("active"); }); <!-- highlight active page in nav -->
</script> </script>
+2 -2
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@@ -184,7 +184,7 @@ tr.new td {
background-color: var(--bs-success-border-subtle); background-color: var(--bs-success-border-subtle);
} }
100% { 100% {
background-color: intial; background-color: initial;
} }
} }
@@ -355,7 +355,7 @@ div.band-spot:hover span.band-spot-info {
/* GENERAL MOBILE SUPPORT */ /* GENERAL MOBILE SUPPORT */
@media (max-width: 991.99px) { @media (max-width: 991px) {
/* General "hide this on mobile" class */ /* General "hide this on mobile" class */
.hideonmobile { .hideonmobile {
display: none !important; display: none !important;
+104
View File
@@ -0,0 +1,104 @@
//
// GEOGRAPHIC UTILITY FUNCTIONS
// Great Circle calculation, Maidenhead grid calcs, etc.
//
// Calculate great circle bearing between two lat/lon points.
function calcBearing(lat1, lon1, lat2, lon2) {
lat1 *= Math.PI / 180;
lon1 *= Math.PI / 180;
lat2 *= Math.PI / 180;
lon2 *= Math.PI / 180;
var lonDelta = lon2 - lon1;
var y = Math.sin(lonDelta) * Math.cos(lat2);
var x = Math.cos(lat1) * Math.sin(lat2) - Math.sin(lat1) * Math.cos(lat2) * Math.cos(lonDelta);
var bearing = Math.atan2(y, x);
bearing = bearing * (180 / Math.PI);
if ( bearing < 0 ) { bearing += 360; }
return bearing;
}
// Convert a Maidenhead grid reference of arbitrary precision to the lat/long of the centre point of the square.
// Returns null if the grid format is invalid.
function latLonForGridCentre(grid) {
let [lat, lon, latCellSize, lonCellSize] = latLonForGridSWCornerPlusSize(grid);
if (lat != null && lon != null && latCellSize != null && lonCellSize != null) {
return [lat + latCellSize / 2.0, lon + lonCellSize / 2.0];
} else {
return null;
}
}
// Convert a Maidenhead grid reference of arbitrary precision to lat/long, including in the result the size of the
// lowest grid square. This is a utility method used by the main methods that return the centre, southwest, and
// northeast coordinates of a grid square.
// The return type is always an array of size 4. The elements in it are null if the grid format is invalid.
function latLonForGridSWCornerPlusSize(grid) {
// Make sure we are in upper case so our maths works. Case is arbitrary for Maidenhead references
grid = grid.toUpperCase();
// Return null if our Maidenhead string is invalid or too short
let len = grid.length;
if (len <= 0 || (len % 2) !== 0) {
return [null, null, null, null];
}
let lat = 0.0; // aggregated latitude
let lon = 0.0; // aggregated longitude
let latCellSize = 10; // Size in degrees latitude of the current cell. Starts at 20 and gets smaller as the calculation progresses
let lonCellSize = 20; // Size in degrees longitude of the current cell. Starts at 20 and gets smaller as the calculation progresses
let latCellNo; // grid latitude cell number this time
let lonCellNo; // grid longitude cell number this time
// Iterate through blocks (two-character sections)
for (let block = 0; block * 2 < len; block += 1) {
if (block % 2 === 0) {
// Letters in this block
lonCellNo = grid.charCodeAt(block * 2) - 'A'.charCodeAt(0);
latCellNo = grid.charCodeAt(block * 2 + 1) - 'A'.charCodeAt(0);
// Bail if the values aren't in range. Allowed values are A-R (0-17) for the first letter block, or
// A-X (0-23) thereafter.
let maxCellNo = (block === 0) ? 17 : 23;
if (latCellNo < 0 || latCellNo > maxCellNo || lonCellNo < 0 || lonCellNo > maxCellNo) {
return [null, null, null, null];
}
} else {
// Numbers in this block
lonCellNo = parseInt(grid.charAt(block * 2));
latCellNo = parseInt(grid.charAt(block * 2 + 1));
// Bail if the values aren't in range 0-9..
if (latCellNo < 0 || latCellNo > 9 || lonCellNo < 0 || lonCellNo > 9) {
return [null, null, null, null];
}
}
// Aggregate the angles
lat += latCellNo * latCellSize;
lon += lonCellNo * lonCellSize;
// Reduce the cell size for the next block, unless we are on the last cell.
if (block * 2 < len - 2) {
// Still have more work to do, so reduce the cell size
if (block % 2 === 0) {
// Just dealt with letters, next block will be numbers so cells will be 1/10 the current size
latCellSize = latCellSize / 10.0;
lonCellSize = lonCellSize / 10.0;
} else {
// Just dealt with numbers, next block will be letters so cells will be 1/24 the current size
latCellSize = latCellSize / 24.0;
lonCellSize = lonCellSize / 24.0;
}
}
}
// Offset back to (-180, -90) where the grid starts
lon -= 180.0;
lat -= 90.0;
// Return nulls on maths errors
if (isNaN(lat) || isNaN(lon) || isNaN(latCellSize) || isNaN(lonCellSize)) {
return [null, null, null, null];
}
return [lat, lon, latCellSize, lonCellSize];
}
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//
// USER INTERFACE FUNCTIONS (AMATEUR RADIO)
// Functions providing colour schemes for ham radio bands, SIG icons etc.
//
const BAND_COLOR_SCHEMES = {
"PSK Reporter": {
"2200m": "#ff4500",
"600m": "#1e90ff",
"160m": "#7cfc00",
"80m": "#e550e5",
"60m": "#00008b",
"40m": "#5959ff",
"30m": "#62d962",
"20m": "#f2c40c",
"17m": "#f2f261",
"15m": "#cca166",
"12m": "#b22222",
"11m": "#00ff00",
"10m": "#ff69b4",
"6m": "#FF0000",
"5m": "#e0e0e0",
"4m": "#cc0044",
"2m": "#FF1493",
"1.25m": "#CCFF00",
"70cm": "#999900",
"23cm": "#5AB8C7",
"13cm": "#FF7F50",
"5.8GHz": "#cc0099",
"10GHz": "#696969",
"24GHz": "#f3edc6",
"47GHz": "#ffe786",
"76GHz": "#baf9d8"
},
"PSK Reporter (Adjusted)": {
"2200m": "#ff4500",
"600m": "#1e90ff",
"160m": "#7cfc00",
"80m": "#b33fb3",
"60m": "#00008b",
"40m": "#5959ff",
"30m": "#62d962",
"20m": "#f2c40c",
"17m": "#f2f261",
"15m": "#cca166",
"12m": "#b22222",
"11m": "#00ff00",
"10m": "#ff7eb4",
"6m": "#FF0000",
"5m": "#e0e0e0",
"4m": "#cc0044",
"2m": "#FF1493",
"1.25m": "#CCFF00",
"70cm": "#999900",
"23cm": "#5AB8C7",
"13cm": "#FF7F50",
"5.8GHz": "#cc0099",
"10GHz": "#696969",
"24GHz": "#f3edc6",
"47GHz": "#ffe786",
"76GHz": "#baf9d8"
},
"RBN": {
"2200m": "#000000",
"600m": "#aaaaaa",
"160m": "#ffe000",
"80m": "#093F00",
"60m": "#777777",
"40m": "#ffa500",
"30m": "#ff0000",
"20m": "#800080",
"17m": "#0000ff",
"15m": "#444444",
"12m": "#00ffff",
"11m": "#000000",
"10m": "#ff00ff",
"6m": "#ffc0cb",
"5m": "#000000",
"4m": "#a276ff",
"2m": "#92FF7F",
"1.25m": "#000000",
"70cm": "#000000",
"23cm": "#000000",
"13cm": "#000000",
"5.8GHz": "#000000",
"10GHz": "#000000",
"24GHz": "#000000",
"47GHz": "#000000",
"76GHz": "#000000"
},
"Ham Rainbow": {
"2200m": "#8e4f37",
"600m": "#8e4f37",
"160m": "#8e3737",
"80m": "#da2f93",
"60m": "#792fda",
"40m": "#2f4bda",
"30m": "#2fdad2",
"20m": "#68da2f",
"17m": "#dad52f",
"15m": "#da832f",
"12m": "#da5c2f",
"11m": "#8e8e8e",
"10m": "#da2f2f",
"6m": "#8e377a",
"5m": "#8e8e8e",
"4m": "#42378e",
"2m": "#37748e",
"1.25m": "#8e8e8e",
"70cm": "#378e65",
"23cm": "#8e8e37",
"13cm": "#8e6037",
"5.8GHz": "#8e6037",
"10GHz": "#8e6037",
"24GHz": "#8e6037",
"47GHz": "#8e6037",
"76GHz": "#8e6037"
},
"Ham Rainbow (Reverse)": {
"2200m": "#42378e",
"600m": "#42378e",
"160m": "#8e377a",
"80m": "#da2f2f",
"60m": "#da5c2f",
"40m": "#da832f",
"30m": "#dad52f",
"20m": "#68da2f",
"17m": "#2fdad2",
"15m": "#2f4bda",
"12m": "#792fda",
"11m": "#8e8e8e",
"10m": "#da2f93",
"6m": "#8e3737",
"5m": "#8e8e8e",
"4m": "#8e4f37",
"2m": "#8e6037",
"1.25m": "#8e8e8e",
"70cm": "#8e8e37",
"23cm": "#378e65",
"13cm": "#37748e",
"5.8GHz": "#37748e",
"10GHz": "#37748e",
"24GHz": "#37748e",
"47GHz": "#37748e",
"76GHz": "#37748e",
},
"Kate Morley": {
"2200m": "#817",
"600m": "#817",
"160m": "#817",
"80m": "#a35",
"60m": "#c66",
"40m": "#e94",
"30m": "#ed0",
"20m": "#9d5",
"17m": "#4d8",
"15m": "#2cb",
"12m": "#0bc",
"11m": "#09c",
"10m": "#09c",
"6m": "#36b",
"5m": "#36b",
"4m": "#36b",
"2m": "#36b",
"1.25m": "#36b",
"70cm": "#639",
"23cm": "#639",
"13cm": "#639",
"5.8GHz": "#639",
"10GHz": "#639",
"24GHz": "#639",
"47GHz": "#639",
"76GHz": "#639",
},
"ColorBrewer": {
"2200m": "#54278f",
"600m": "#756bb1",
"160m": "#9e9ac8",
"80m": "#cbc9e2",
"60m": "#08519c",
"40m": "#3182bd",
"30m": "#6baed6",
"20m": "#bdd7e7",
"17m": "#006d2c",
"15m": "#31a354",
"12m": "#74c476",
"11m": "#bae4b3",
"10m": "#a63603",
"6m": "#e6550d",
"5m": "#fd8d3c",
"4m": "#fdbe85",
"2m": "#a50f15",
"1.25m": "#de2d26",
"70cm": "#fb6a4a",
"23cm": "#fcae91",
"13cm": "#636363",
"5.8GHz": "#636363",
"10GHz": "#969696",
"24GHz": "#969696",
"47GHz": "#cccccc",
"76GHz": "#cccccc",
},
"IWantHue": {
"2200m": "#409271",
"600m": "#b03ce1",
"160m": "#50c640",
"80m": "#d545b7",
"60m": "#99b936",
"40m": "#7260db",
"30m": "#60af57",
"20m": "#d54788",
"17m": "#58c79f",
"15m": "#e2462a",
"12m": "#49b1d3",
"11m": "#df872f",
"10m": "#506bb0",
"6m": "#c6a639",
"5m": "#9554a3",
"4m": "#36783c",
"2m": "#da405b",
"1.25m": "#657527",
"70cm": "#8c97e2",
"23cm": "#b44f2f",
"13cm": "#d386c8",
"5.8GHz": "#aaac66",
"10GHz": "#9d4760",
"24GHz": "#90672c",
"47GHz": "#e08086",
"76GHz": "#dc9769",
},
"IWantHue (Color Blind)": {
"2200m": "#bf9e3d",
"600m": "#9d2fec",
"160m": "#79df39",
"80m": "#d445db",
"60m": "#5dd175",
"40m": "#814dd8",
"30m": "#d7ce2f",
"20m": "#657af1",
"17m": "#8cc34a",
"15m": "#d635aa",
"12m": "#6cbd80",
"11m": "#b860c1",
"10m": "#e48721",
"6m": "#686ccc",
"5m": "#d44e2b",
"4m": "#51b3db",
"2m": "#d74058",
"1.25m": "#56c5ad",
"70cm": "#d0478d",
"23cm": "#708940",
"13cm": "#c380c2",
"5.8GHz": "#cab775",
"10GHz": "#7a7fc2",
"24GHz": "#b87148",
"47GHz": "#bd678c",
"76GHz": "#c3666b",
},
"Mokole": {
"2200m": "#8b4513",
"600m": "#006400",
"160m": "#808000",
"80m": "#483d8b",
"60m": "#5f9ea0",
"40m": "#000080",
"30m": "#9acd32",
"20m": "#8b008b",
"17m": "#ff0000",
"15m": "#ff8c00",
"12m": "#ffd700",
"11m": "#7fff00",
"10m": "#8a2be2",
"6m": "#00ff7f",
"5m": "#dc143c",
"4m": "#00bfff",
"2m": "#0000ff",
"1.25m": "#d8bfd8",
"70cm": "#ff00ff",
"23cm": "#1e90ff",
"13cm": "#db7093",
"5.8GHz": "#f0e68c",
"10GHz": "#ff1493",
"24GHz": "#ffa07a",
"47GHz": "#ee82ee",
"76GHz": "#7fffd4",
}
};
let bandColorScheme = "PSK Reporter (Adjusted)";
// Set the band colour scheme. Returns true if successful, false if the requested scheme was not known
function setBandColorScheme(scheme) {
let ret = BAND_COLOR_SCHEMES[scheme]
if (ret) {
bandColorScheme = scheme;
}
return ret;
}
// Get the list of known bands
function getKnownBands() {
return Array.from(Object.keys(BAND_COLOR_SCHEMES[bandColorScheme]));
}
// Get the list of available band colour schemes
function getAvailableBandColorSchemes() {
return Array.from(Object.keys(BAND_COLOR_SCHEMES));
}
// Band name to colour (in the current colour scheme). If the band is unknown, black will be returned.
function bandToColor(band) {
let col = (band != null) ? BAND_COLOR_SCHEMES[bandColorScheme][band] : null;
if (col) {
return col;
} else {
return "#000000";
}
}
// Band name to contrast colour (in the current colour scheme). This is either black or white, contrasting as well as
// possible with the band colour. If the band is unknown, white will be returned.
function bandToContrastColor(band) {
const rgb = hexToRGB(bandToColor(band));
const lum = 0.2126*rgb[0] + 0.7152*rgb[1] + 0.0722*rgb[2];
return (lum > 128) ? "#000000" : "#ffffff";
}
const MODE_TYPE_COLOR_SCHEMES = {
"CW": "red",
"PHONE": "green",
"DATA": "blue"
}
// Mode type (CW, PHONE, DATA) to colour. If the mode type is unknown, black will be returned.
function modeTypeToColor(modeType) {
let col = (modeType != null) ? MODE_TYPE_COLOR_SCHEMES[modeType.toUpperCase()] : null;
if (col) {
return col;
} else {
return "#000000";
}
}
const SIG_ICONS = {
"POTA": "fa-tree",
"SOTA": "fa-mountain-sun",
"WWFF": "fa-seedling",
"GMA": "fa-person-hiking",
"WWBOTA": "fa-radiation",
"HEMA": "fa-mound",
"IOTA": "fa-book-atlas",
"MOTA": "fa-fan",
"ARLHS": "fa-house-flood-water",
"ILLW": "fa-house-flood-water",
"SIOTA": "fa-wheat-awn",
"WCA": "fa-chess-rook",
"ZLOTA": "fa-kiwi-bird",
"WOTA": "fa-w",
"BOTA": "fa-umbrella-beach",
"KRMNPA": "fa-earth-oceania",
"LLOTA": "fa-water",
"WWTOTA": "fa-tower-observation",
"WAB": "fa-table-cells-large",
"WAI": "fa-table-cells-large",
"Tiles": "fa-square",
"TOTA": "fa-toilet"
}
const SIG_NAMES = {
"POTA": "Parks on the Air",
"SOTA": "Summits on the Air",
"WWFF": "Worldwide Flora & Fauna",
"GMA": "Global Mountain Activity",
"WWBOTA": "Bunkers on the Air",
"HEMA": "Humps Excluding Marilyns Award",
"IOTA": "Islands on the Air",
"MOTA": "Mills on the Air",
"ARLHS": "Amateur Radio Lighthouse Society",
"ILLW": "International Lighthouse Lightship Weekend",
"SIOTA": "Silos on the Air",
"WCA": "World Castles Award",
"ZLOTA": "New Zealand on the Air",
"WOTA": "Wainwrights on the Air",
"BOTA": "Beaches on the Air",
"KRMNPA": "Keith Roget Memorial National Parks Award",
"LLOTA": "Lagos y Lagunas on the Air",
"WWTOTA": "Towers on the Air",
"WAB": "Worked All Britain",
"WAI": "Worked All Ireland",
"Tiles": "Tiles on the Air",
"TOTA": "Toilets on the Air"
}
// Get the Font Awesome icon for a given SIG. If the SIG is unknown, the provided default symbol will be returned
function sigToIcon(sig, defaultIcon) {
let col = (sig != null) ? SIG_ICONS[sig] : null;
if (col) {
return col;
} else {
let col = (sig != null) ? SIG_ICONS[sig.toUpperCase()] : null;
if (col) {
return col;
} else {
return defaultIcon;
}
}
}
// Get the full name for a given SIG abbreviation. If the SIG is unknown, an empty string will be returned.
function sigToName(sig) {
let col = (sig != null) ? SIG_NAMES[sig] : null;
if (col) {
return col;
} else {
let col = (sig != null) ? SIG_NAMES[sig.toUpperCase()] : null;
if (col) {
return col;
} else {
return "";
}
}
}
// Get the list of known SIGs
function getKnownSIGs() {
return Array.from(Object.keys(SIG_ICONS));
}
// Format a Maidenhead grid with alternating alphabetic blocks in lower case
function formatGrid(grid) {
grid = grid.toUpperCase();
if (grid.length >= 6) {
grid = grid.substring(0, 4) + grid.substring(4, 6).toLowerCase() + grid.substring(6);
}
if (grid.length >= 12) {
grid = grid.substring(0, 10) + grid.substring(10, 12).toLowerCase() + grid.substring(14);
}
return grid;
}
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//
// GENERAL UTILITY FUNCTIONS
// OBject, string manipulation etc.
//
// Utility function to escape HTML characters from a string.
function escapeHtml(str) {
if (typeof str !== 'string') {
return '';
}
const escapeCharacter = (match) => {
switch (match) {
case '&': return '&amp;';
case '<': return '&lt;';
case '>': return '&gt;';
case '"': return '&quot;';
case '\'': return '&#039;';
case '`': return '&#096;';
default: return match;
}
};
return str.replace(/[&<>"'`]/g, escapeCharacter);
}
// Converts an HTML hex colour to an array of [R, G, B] where each is 0-255.
function hexToRGB(hex) {
return hex.replace(/^#?([a-f\d])([a-f\d])([a-f\d])$/i
,(m, r, g, b) => '#' + r + r + g + g + b + b)
.substring(1).match(/.{2}/g)
.map(x => parseInt(x, 16));
}
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/*
* L.Maidenhead displays a Maidenhead Locator of lines on the map.
*/
L.Maidenhead = L.LayerGroup.extend({
options: {
// Line and label color
color: 'rgba(255, 0, 0, 0.4)',
// Redraw on move or moveend
redraw: 'move'
},
initialize: function (options) {
L.LayerGroup.prototype.initialize.call(this);
L.Util.setOptions(this, options);
},
onAdd: function (map) {
this._map = map;
var grid = this.redraw();
this._map.on('viewreset '+ this.options.redraw, function () {
grid.redraw();
});
this.eachLayer(map.addLayer, map);
},
onRemove: function (map) {
// remove layer listeners and elements
map.off('viewreset '+ this.options.redraw, this.map);
this.eachLayer(this.removeLayer, this);
},
redraw: function () {
var d3 = new Array(20,10,10,10,10,10,1 ,1 ,1 ,1 ,1/24,1/24,1/24,1/24,1/24,1/240,1/240,1/240,1/240/24,1/240/24,1/240/24 );
var lat_cor = new Array(0 ,8 ,8 ,8 ,10,14,6 ,8 ,8 ,8 ,1.4 ,2.5 ,3 ,3.5 ,4 ,4 ,3.5 ,3.5 ,1.47 ,1.8 ,1.6 );
var bounds = map.getBounds();
var zoom = map.getZoom();
var unit = d3[Math.round(zoom)];
var lcor = lat_cor[Math.round(zoom)];
var w = bounds.getWest();
var e = bounds.getEast();
var n = bounds.getNorth();
var s = bounds.getSouth();
if (zoom==1) {var c = 2;} else {var c = 0.1;}
if (n > 85) n = 85;
if (s < -85) s = -85;
var left = Math.floor(w/(unit*2))*(unit*2);
var right = Math.ceil(e/(unit*2))*(unit*2);
var top = Math.ceil(n/unit)*unit;
var bottom = Math.floor(s/unit)*unit;
this.eachLayer(this.removeLayer, this);
for (var lon = left; lon < right; lon += (unit*2)) {
for (var lat = bottom; lat < top; lat += unit) {
var bounds = [[lat,lon],[lat+unit,lon+(unit*2)]];
this.addLayer(L.rectangle(bounds, {color: this.options.color, weight: 1, fill:false, interactive: false}));
//var pont = map.latLngToLayerPoint([lat,lon]);
//console.log(pont.x);
this.addLayer(this._getLabel(lon+unit-(unit/lcor),lat+(unit/2)+(unit/lcor*c)));
}
}
return this;
},
_getLabel: function(lon,lat) {
var title_size = new Array(0 ,10,12,16,20,26,12,16,24,36,12 ,14 ,20 ,36 ,60 ,12 ,20 ,36 ,8 ,12 ,24 );
var zoom = map.getZoom();
var size = title_size[Math.round(zoom)]+'px';
var title = '<span style="cursor: default;"><font style="color:'+this.options.color+'; font-size:'+size+'; font-weight: 900; ">' + this._getLocator(lon,lat) + '</font></span>';
var myIcon = L.divIcon({className: 'my-div-icon', html: title});
var marker = L.marker([lat,lon], {icon: myIcon}, clickable=false);
return marker;
},
_getLocator: function(lon,lat) {
var ydiv_arr=new Array(10, 1, 1/24, 1/240, 1/240/24);
var d1 = "ABCDEFGHIJKLMNOPQR".split("");
var d2 = "ABCDEFGHIJKLMNOPQRSTUVWX".split("");
var d4 = new Array(0 ,1 ,1 ,1 ,1 ,1 ,2 ,2 ,2 ,2 ,3 ,3 ,3 ,3 ,3 ,4 ,4 ,4 ,5 ,5 ,5 );
var locator = "";
var x = lon;
var y = lat;
var precision = d4[Math.round(map.getZoom())];
while (x < -180) {x += 360;}
while (x > 180) {x -=360;}
x = x + 180;
y = y + 90;
locator = locator + d1[Math.floor(x/20)] + d1[Math.floor(y/10)];
for (var i=0; i<4; i=i+1) {
if (precision > i+1) {
rlon = x%(ydiv_arr[i]*2);
rlat = y%(ydiv_arr[i]);
if ((i%2)==0) {
locator += Math.floor(rlon/(ydiv_arr[i+1]*2)) +""+ Math.floor(rlat/(ydiv_arr[i+1]));
} else {
locator += d2[Math.floor(rlon/(ydiv_arr[i+1]*2))] +""+ d2[Math.floor(rlat/(ydiv_arr[i+1]))];
}
}
}
return locator;
},
});
L.maidenhead = function (options) {
return new L.Maidenhead(options);
};
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/**
* Minified by jsDelivr using Terser v5.37.0.
* Original file: /npm/@joergdietrich/leaflet.terminator@1.1.0/L.Terminator.js
*
* Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files
*/
!function(t,i){"object"==typeof exports&&"undefined"!=typeof module?module.exports=i(require("leaflet")):"function"==typeof define&&define.amd?define(["leaflet"],i):(t.L=t.L||{},t.L.terminator=i(t.L))}(this,(function(t){"use strict";var i=(t=t&&t.hasOwnProperty("default")?t.default:t).Polygon.extend({options:{color:"#00",opacity:.5,fillColor:"#00",fillOpacity:.5,resolution:2},initialize:function(i){this.version="0.1.0",this._R2D=180/Math.PI,this._D2R=Math.PI/180,t.Util.setOptions(this,i);var n=this._compute(this.options.time);this.setLatLngs(n)},setTime:function(t){this.options.time=t;var i=this._compute(t);this.setLatLngs(i)},_sunEclipticPosition:function(t){var i=t-2451545,n=280.46+.9856474*i,e=357.528+.9856003*i;return e%=360,{lambda:(n%=360)+1.915*Math.sin(e*this._D2R)+.02*Math.sin(2*e*this._D2R),R:1.00014-.01671*Math.cos(e*this._D2R)-.0014*Math.cos(2*e*this._D2R)}},_eclipticObliquity:function(t){var i=(t-2451545)/36525;return 23.43929111-i*(46.836769/3600-i*(1831e-7/3600+i*(5.565e-7-i*(1.6e-10-4.34e-8*i/3600))))},_sunEquatorialPosition:function(t,i){var n=Math.atan(Math.cos(i*this._D2R)*Math.tan(t*this._D2R))*this._R2D,e=Math.asin(Math.sin(i*this._D2R)*Math.sin(t*this._D2R))*this._R2D;return{alpha:n+=90*Math.floor(t/90)-90*Math.floor(n/90),delta:e}},_hourAngle:function(t,i,n){return 15*(n+t/15)-i.alpha},_latitude:function(t,i){return Math.atan(-Math.cos(t*this._D2R)/Math.tan(i.delta*this._D2R))*this._R2D},_compute:function(t){for(var i=t?new Date(t):new Date,n=i/864e5+2440587.5,e=function(t){return(18.697374558+24.06570982441908*(t-2451545))%24}(n),o=[],s=this._sunEclipticPosition(n),a=this._eclipticObliquity(n),h=this._sunEquatorialPosition(s.lambda,a),r=0;r<=720*this.options.resolution;r++){var u=r/this.options.resolution-360,l=this._hourAngle(u,h,e);o[r+1]=[this._latitude(l,h),u]}return h.delta<0?(o[0]=[90,-360],o[o.length]=[90,360]):(o[0]=[-90,-360],o[o.length]=[-90,360]),o}});return function(t){return new i(t)}}));
//# sourceMappingURL=/sm/0ad6cc527a0e7748dc9ea3acda4c2088f86401baae9f9dddc41fc73f9afa2de2.map
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L.WorkedAllBritainIreland = L.LayerGroup.extend({
options: {
// Line and label color
color: 'rgba(80, 80, 80, 1)',
// Grid squares to draw
gbSquares: ["HP", "HT", "HU", "HW", "HX", "HY", "HZ", "NA", "NB", "NC", "ND", "NF", "NG", "NH", "NJ", "NK", "NL", "NM", "NN", "NO", "NR", "NS", "NT", "NU", "NW", "NX", "NY", "NZ", "OV", "SC", "SD", "SE", "SH", "SJ", "SK", "SM", "SN", "SO", "SP", "SR", "SS", "ST", "SU", "SV", "SW", "SX", "SY", "SZ", "TA", "TF", "TG", "TL", "TM", "TR", "TQ", "TV"],
ieSquares: ["B", "C", "D", "F", "G", "H", "J", "L", "M", "N", "O", "Q", "R", "S", "T", "V", "W", "X"],
ciSquares: ["WA", "WV"]
},
initialize: function (options) {
// Initialise the LayerGroup superclass and set the options for this class.
L.LayerGroup.prototype.initialize.call(this);
L.Util.setOptions(this, options);
// Workaround to load the geodesy modules in non-modular code. Once we have loaded all three modules, trigger a
// first draw.
import("https://misc.ianrenton.com/Leaflet.WorkedAllBritainIreland/modules/geodesy/osgridref.js")
.then(module => {
this._osGridLibrary = module;
if (this._ieGridLibrary && this._utmLibrary) {
this.redraw();
}
})
.catch(error => {
console.log("Error loading OS Grid Ref library, GB WAB squares may not be available.");
console.log(error);
});
import("https://misc.ianrenton.com/Leaflet.WorkedAllBritainIreland/modules/geodesy/iegridref.js")
.then(module => {
this._ieGridLibrary = module;
if (this._osGridLibrary && this._utmLibrary) {
this.redraw();
}
})
.catch(error => {
console.log("Error loading IE Grid Ref library, NI WAB squares may not be available.");
console.log(error);
});
import("https://misc.ianrenton.com/Leaflet.WorkedAllBritainIreland/modules/geodesy/utm_ci.js")
.then(module => {
this._utmLibrary = module;
if (this._osGridLibrary && this._ieGridLibrary) {
this.redraw();
}
})
.catch(error => {
console.log("Error loading UTM library, Channel Islands WAB squares may not be available.");
console.log(error);
});
},
onAdd: function (map) {
this._map = map;
var grid = this.redraw();
map.on('moveend', function () { grid.redraw(); });
map.on('zoomend', function () { grid.redraw(); });
this.eachLayer(map.addLayer, map);
},
onRemove: function (map) {
map.off('moveend', this.map);
map.off('zoomend', this.map);
this.eachLayer(this.removeLayer, this);
},
redraw: function () {
// Don't proceed unless we have a map object and our libraries are loaded
if (this._map && this._osGridLibrary && this._ieGridLibrary && this._utmLibrary) {
// Remove existing content
this.eachLayer(this.removeLayer, this);
// Determine detail level based on current map zoom.
const detailLevel = (map.getZoom() > 4) ? (map.getZoom() > 8) ? 2 : 1 : 0;
// Generate new content for the three grid systems.
this.options.gbSquares.forEach(squareRef => {
this._addWABGraphicsForSquare(squareRef, "GB", detailLevel);
});
this.options.ieSquares.forEach(squareRef => {
this._addWABGraphicsForSquare(squareRef, "IE", detailLevel);
});
this.options.ciSquares.forEach(squareRef => {
this._addWABGraphicsForSquare(squareRef, "CI", detailLevel);
});
}
return this;
},
// Add WAB graphics to the layer for the given square, using the given grid system ("GB", "IE" or "CI") and the
// required level of detail.
_addWABGraphicsForSquare: function (squareRef, gridSystem, detailLevel) {
if (detailLevel === 0 || detailLevel === 1) {
// If detail level is 0 or 1, we want a single large square.
const swCorner = this._gridRefToLatLon(squareRef + " 00000 00000", gridSystem);
const nwCorner = this._gridRefToLatLon(squareRef + " 99999 00000", gridSystem);
const neCorner = this._gridRefToLatLon(squareRef + " 99999 99999", gridSystem);
const seCorner = this._gridRefToLatLon(squareRef + " 00000 99999", gridSystem);
const centre = this._gridRefToLatLon(squareRef + " 50000 50000", gridSystem);
let square = L.polygon([swCorner, nwCorner, neCorner, seCorner], {color: this.options.color, interactive: false});
this.addLayer(square);
// Additionally if detail level is 1, we want to label it.
if (detailLevel === 1) {
let label = new L.marker(centre, {
icon: new L.DivIcon({
html: '<span style="position: relative; top: -40%; left: -40%; text-align: center; cursor: hand; color:'+this.options.color+'; font-weight: bold; font-size:120%;">' + squareRef + '</font></span>',
className: 'wabSquareLabel' // Prevent default background & border and provide ability to customise
})
}, clickable=false);
this.addLayer(label);
}
} else if (detailLevel === 2) {
// If detail level is 2, we want to generate all the inner squares (with labels)
// instead of just one square. But, doing this for every square will cause CPU issues,
// so we only want to generate graphics if they would actually end up on screen.
for (let i = 0; i < 10; i++) {
for (let j = 0; j < 10; j++) {
// Bail out if we have a grid reference that doesn't apply. This is where GB grid overlaps with NI etc.
// are deconflicted.
if (this._validSmallSquare(squareRef, i, j)) {
// If we get this far, now calculate the coordinates of the box.
const swCorner = this._gridRefToLatLon(squareRef + " " + i + "0000 " + j + "0000", gridSystem);
const nwCorner = this._gridRefToLatLon(squareRef + " " + i + "9999 " + j + "0000", gridSystem);
const neCorner = this._gridRefToLatLon(squareRef + " " + i + "9999 " + j + "9999", gridSystem);
const seCorner = this._gridRefToLatLon(squareRef + " " + i + "0000 " + j + "9999", gridSystem);
const centre = this._gridRefToLatLon(squareRef + " " + i + "5000 " + j + "5000", gridSystem);
// Find out if this box is going to be on our screen. If not, don't draw anything.
if (map.getBounds().contains(swCorner) || map.getBounds().contains(nwCorner)
|| map.getBounds().contains(neCorner) || map.getBounds().contains(seCorner)) {
let square = L.polygon([swCorner, nwCorner, neCorner, seCorner], {color: this.options.color, interactive: false});
this.addLayer(square);
let label = new L.marker(centre, {
icon: new L.DivIcon({
html: '<span style="position: relative; top: -20%; left: -100%; text-align: center; cursor: hand; color:'+this.options.color+'; font-weight: bold; font-size:120%;">' + squareRef + i + j + '</font></span>',
className: 'wabSquareLabelLong' // Prevent default background & border and provide ability to customise
})
}, clickable=false);
this.addLayer(label);
}
}
}
}
}
},
// Determine if a given small square is OK to draw. This is where e.g. overlapping GB and IE squares are
// deconflicted in the Irish Sea.
_validSmallSquare: function (squareRef, i, j) {
let valid = true;
if (squareRef === "WA" && j > 1) {
valid = false;
} else if (squareRef === "TR" && i > 4 && j < 5) {
valid = false;
} else if (squareRef === "SM" && i < 4) {
valid = false;
} else if (squareRef === "SM" && i < 7 && j > 4) {
valid = false;
} else if (squareRef === "TV" && i === 9 && j === 0) {
valid = false;
} else if (squareRef === "NW" && i < 9) {
valid = false;
} else if (squareRef === "NR" && i < 5 && j < 3) {
valid = false;
} else if (squareRef === "C" && j > 6) {
valid = false;
} else if (squareRef === "D" && (i > 5 || j > 5 || (i > 2 && j > 3))) {
valid = false;
} else if (squareRef === "J" && i > 6) {
valid = false;
} else if (squareRef === "O" && i > 8) {
valid = false;
} else if (squareRef === "T" && i > 6 && j < 5) {
valid = false;
}
return valid;
},
// Convert the given grid reference to lat/lon, using the given grid system ("GB", "IE" or "CI")
_gridRefToLatLon: function (grid, gridSystem) {
if (gridSystem === "GB") {
return this._osgbGridRefToLatLon(grid);
} else if (gridSystem === "IE") {
return this._osieGridRefToLatLon(grid);
} else if (gridSystem === "CI") {
return this._ciGridRefToLatLon(grid);
} else {
return null;
}
},
// OSGB grid reference to lat/lon
_osgbGridRefToLatLon: function (grid) {
if (this._osGridLibrary) {
return this._osGridLibrary.default.parse(grid).toLatLon();
} else {
return null;
}
},
// Lat/lon to OSGB grid reference
_latLonToOSGBGridRef: function (lat, lon) {
if (this._osGridLibrary) {
return new this._osGridLibrary.LatLon(lat, lon).toOsGrid();
} else {
return null;
}
},
// OSIE grid reference to lat/lon
_osieGridRefToLatLon: function (grid) {
if (this._ieGridLibrary) {
return this._ieGridLibrary.default.parse(grid).toLatLon();
} else {
return null;
}
},
// Lat/lon to OSIE grid reference
_latLonToOSIEGridRef: function (lat, lon) {
if (this._ieGridLibrary) {
return new this._ieGridLibrary.LatLon(lat, lon).toOsGrid();
} else {
return null;
}
},
// CI grid reference to lat/lon
_ciGridRefToLatLon: function (grid) {
if (this._utmLibrary) {
return this._utmLibrary.default.parseChannelIslandGrid(grid).toLatLon();
} else {
return null;
}
},
// Lat/lon to CI grid reference
_latLonToCIGridRef: function (lat, lon) {
if (this._utmLibrary) {
let utm = (new this._utmLibrary.LatLon(lat, lon)).toUtm();
// todo convert UTM coordinate system back to CI grid ref cells
return null;
} else {
return null;
}
}
});
L.workedAllBritainIreland = function (options) {
return new L.WorkedAllBritainIreland(options);
};
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