Add Awareness for sidc icons just off edge of map (#228)

* Update worldmap.js

add edge sidc icons

* Bump edge awareness for release
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Dave Conway-Jones 2023-04-04 18:57:18 +01:00 committed by GitHub
parent 8627c03a2f
commit 7d9c9a6603
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4 changed files with 72 additions and 2 deletions

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@ -1,5 +1,6 @@
### Change Log for Node-RED Worldmap
- v2.36.0 - Add edge icons for SIDC markers just off the map.
- v2.35.0 - Let clickable:false work for markers as well.
- v2.34.0 - Let icon "url" be a local fixed path (PR #223)
- v2.33.0 - Let shapes create click event. (from PR #221)

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@ -11,6 +11,7 @@ map web page for plotting "things" on.
### Updates
- v2.36.0 - Add edge icons for SIDC markers just off the map.
- v2.35.0 - Let clickable:false work for markers as well.
- v2.34.0 - Let icon "url" be a local fixed path (PR #223)
- v2.33.0 - Let shapes create click event. (from PR #221)

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@ -1,6 +1,6 @@
{
"name": "node-red-contrib-web-worldmap",
"version": "2.35.0",
"version": "2.36.0",
"description": "A Node-RED node to provide a web page of a world map for plotting things on.",
"dependencies": {
"@turf/bezier-spline": "~6.5.0",

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@ -33,7 +33,9 @@ var drawingColour = "#910000";
var sendDrawing;
var colorControl;
var sendRoute;
var oldBounds = {ne:{lat:0,lng:0},sw:{lat:0,lng:0}};
var oldBounds = {ne:{lat:0, lng:0}, sw:{lat:0, lng:0}};
var edgeLayer = new L.layerGroup();
var edgeEnabled = true;
var iconSz = {
"Team/Crew": 24,
@ -371,6 +373,69 @@ var Lgrid = L.latlngGraticule({
]
});
// Add small sidc icons around edge of map for things just outside of view
// This function based heavily on Game Aware code from Måns Beckman
// Copyright (c) 2013 Måns Beckman, All rights reserved.
var edgeAware = function() {
if (!edgeEnabled) { return; }
map.removeLayer(edgeLayer)
edgeLayer = new L.layerGroup();
var mapBounds = map.getBounds();
var mapBoundsCenter = mapBounds.getCenter();
pSW = map.options.crs.latLngToPoint(mapBounds.getSouthWest(), map.getZoom());
pNE = map.options.crs.latLngToPoint(mapBounds.getNorthEast(), map.getZoom());
pCenter = map.options.crs.latLngToPoint(mapBoundsCenter, map.getZoom());
var viewBounds = L.latLngBounds(map.options.crs.pointToLatLng(L.point(pSW.x - (pCenter.x - pSW.x ), pSW.y - (pCenter.y - pSW.y )), map.getZoom()) , map.options.crs.pointToLatLng(L.point(pNE.x + (pNE.x - pCenter.x) , pNE.y + (pNE.y - pCenter.y) ), map.getZoom()) );
for (var id in markers) {
if (allData[id].hasOwnProperty("SIDC")) {
markerLatLng = markers[id].getLatLng();
if ( viewBounds.contains(markerLatLng) && !mapBounds.contains(markerLatLng) ) {
var k = (markerLatLng.lat - mapBoundsCenter.lat) / (markerLatLng.lng - mapBoundsCenter.lng);
if (markerLatLng.lng > mapBoundsCenter.lng) { x = mapBounds.getEast() - mapBoundsCenter.lng; }
else { x = (mapBounds.getWest() - mapBoundsCenter.lng); }
if (markerLatLng.lat < mapBoundsCenter.lat) { y = mapBounds.getSouth() - mapBoundsCenter.lat; }
else { y = mapBounds.getNorth() - mapBoundsCenter.lat; }
var lat = (mapBoundsCenter.lat + (k * x));
var lng = (mapBoundsCenter.lng + (y / k));
var iconAnchor = {x:5, y:5}
if (lng > mapBounds.getEast()) {
lng = mapBounds.getEast();
iconAnchor.x = 20;
}
if (lng < mapBounds.getWest()) {
lng = mapBounds.getWest();
iconAnchor.x = -5;
};
if (lat < mapBounds.getSouth()) {
lat = mapBounds.getSouth();
iconAnchor.y = 15;
}
if (lat > mapBounds.getNorth()) {
lat = mapBounds.getNorth();
iconAnchor.y = -5;
};
var eico = new ms.Symbol(allData[id].SIDC.substr(0,5)+"-------",{size:9});
var myicon = L.icon({
iconUrl: eico.toDataURL(),
iconAnchor: new L.Point(iconAnchor.x, iconAnchor.y),
className: "natoicon-s",
});
edgeLayer.addLayer(L.marker([lat,lng],{icon:myicon}))
}
}
}
edgeLayer.addTo(map)
}
// end of edge function
var panit = false;
function doPanit(v) {
if (v !== undefined) { panit = v; }
@ -672,6 +737,7 @@ map.on('zoomend', function() {
var b = map.getBounds();
oldBounds = {sw:{lat:b._southWest.lat,lng:b._southWest.lng},ne:{lat:b._northEast.lat,lng:b._northEast.lng}};
ws.send(JSON.stringify({action:"bounds", south:b._southWest.lat, west:b._southWest.lng, north:b._northEast.lat, east:b._northEast.lng, zoom:map.getZoom() }));
edgeAware();
});
map.on('moveend', function() {
window.localStorage.setItem("lastpos",JSON.stringify(map.getCenter()));
@ -680,6 +746,7 @@ map.on('moveend', function() {
ws.send(JSON.stringify({action:"bounds", south:b._southWest.lat, west:b._southWest.lng, north:b._northEast.lat, east:b._northEast.lng, zoom:map.getZoom() }));
oldBounds = {sw:{lat:b._southWest.lat,lng:b._southWest.lng},ne:{lat:b._northEast.lat,lng:b._northEast.lng}};
}
edgeAware();
});
map.on('locationfound', onLocationFound);
map.on('locationerror', onLocationError);
@ -1871,6 +1938,7 @@ function setMarker(data) {
className: "natoicon",
});
marker = L.marker(ll, { title:data.name, icon:myicon, draggable:drag });
edgeAware();
}
else {
myMarker = L.VectorMarkers.icon({