ad UTM and MGRS to coordinate display options

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Dave Conway-Jones 2022-01-24 09:09:14 +00:00
parent f005ae2f4d
commit 3b1cb2056f
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10 changed files with 664 additions and 27 deletions

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@ -1,5 +1,6 @@
### Change Log for Node-RED Worldmap
- v2.26.0 - Add UTM and MGRS to coordinate display options.
- v2.25.0 - Add bounds command to set overall map bounds.
- v2.24.3 - Fix geojson incorrect fill.
- v2.24.2 - Changes to drawing colours to be more visible.

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@ -11,6 +11,7 @@ map web page for plotting "things" on.
### Updates
- v2.26.0 - Add UTM and MGRS to coordinate display options.
- v2.25.0 - Add bounds command to set overall map bounds.
- v2.24.3 - Fix geojson incorrect fill.
- v2.24.2 - Changes to drawing colours to be more visible.

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@ -1,6 +1,6 @@
{
"name": "node-red-contrib-web-worldmap",
"version": "2.25.0",
"version": "2.26.0",
"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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@ -83,6 +83,8 @@
<option value="none">Not shown</option>
<option value="deg">Degrees</option>
<option value="dms">D.M.S</option>
<option value="utm">UTM</option>
<option value="mgrs">MGRS</option>
</select>
<i class="fa fa-th" style="margin-left:22px;"></i> Graticule
<select id="node-input-showgrid" style="width:101px;">
@ -239,6 +241,8 @@ If <i>Web Path</i> is left empty, then by default <code>⌘⇧m</code> - <code>c
<option value="none">Not shown</option>
<option value="deg">Degrees</option>
<option value="dms">D.M.S</option>
<option value="utm">UTM</option>
<option value="mgrs">MGRS</option>
</select>
<i class="fa fa-th" style="margin-left:22px;"></i> Graticule
<select id="node-input-showgrid" style="width:101px;">

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@ -38,7 +38,7 @@
<link rel="stylesheet" type="text/css" href="leaflet/Leaflet.Dialog.css">
<link rel="stylesheet" type="text/css" href="leaflet/Control.MiniMap.min.css">
<link rel="stylesheet" type="text/css" href="leaflet/leaflet-velocity.min.css">
<link rel="stylesheet" type="text/css" href="leaflet/Leaflet.Coordinates.css">
<link rel="stylesheet" type="text/css" href="leaflet/leaflet.mousecoordinate.css">
<link rel="stylesheet" type="text/css" href="leaflet/dialog-polyfill.css"/>
<link rel="stylesheet" type="text/css" href="css/worldmap.css"/>
@ -68,7 +68,7 @@
<script src="leaflet/leaflet-side-by-side.js"></script>
<script src="leaflet/OSMBuildings-Leaflet.js"></script>
<script src="leaflet/leaflet-omnivore.min.js"></script>
<script src="leaflet/Leaflet.Coordinates.js"></script>
<script src="leaflet/leaflet.mousecoordinate.js"></script>
<script src="leaflet/leaflet.latlng-graticule.js"></script>
<script src="leaflet/VectorTileLayer.umd.min.js"></script>
<script src="leaflet/Semicircle.js"></script>

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@ -1 +0,0 @@
.leaflet-control-coordinates{background-color:#D8D8D8;background-color:rgba(255,255,255,.8);cursor:pointer}.leaflet-control-coordinates,.leaflet-control-coordinates .uiElement input{-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px}.leaflet-control-coordinates .uiElement{margin:4px}.leaflet-control-coordinates .uiElement .labelFirst{margin-right:4px}.leaflet-control-coordinates .uiHidden{display:none}.leaflet-control-coordinates .uiElement.label{color:inherit;font-weight:inherit;font-size:inherit;padding:0;display:inherit}

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@ -0,0 +1,7 @@
.leaflet-control-mouseCoordinate{
text-align:left;
border-radius:4px;
color:#333;
background:rgba(255,255,255,0.7);
padding:4px 8px 4px 4px
}

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@ -0,0 +1,639 @@
/*
Author : Johannes Rudolph
Fixes by : D Conway-Jones
*/
/* globals L: true */
L.Control.mouseCoordinate = L.Control.extend({
options: {
gps: true,
gpsLong: false,
utm: false,
utmref: false,
position: 'bottomleft',
_sm_a: 6378137.0,
_sm_b: 6356752.314,
_sm_EccSquared: 6.69437999013e-03,
_UTMScaleFactor: 0.9996
},
onAdd: function(map){
this._map = map;
if (L.Browser.mobile || L.Browser.mobileWebkit || L.Browser.mobileWebkit3d || L.Browser.mobileOpera || L.Browser.mobileGecko) {
return L.DomUtil.create('div');
}
var className = 'leaflet-control-mouseCoordinate';
var container = this._container = L.DomUtil.create('div',className);
this._gpsPositionContainer = L.DomUtil.create("div","gpsPos",container);
map.on("mousemove", this._update, this);
return container;
},
_update: function(e){
//lat: [-90,90]
//lng: [-180,180]
var lat = (e.latlng.lat+90)%180;
var lng = (e.latlng.lng+180)%360;
if (lat < 0) { lat += 180; }
lat -=90;
if (lng < 0) { lng+= 360; }
lng -= 180;
var gps = {lat:lat, lng:lng};
var content = "<table>";
if (this.options.gps) {
//Round for display only
var dLat = Math.round(lat * 100000) / 100000;
var dLng = Math.round(lng * 100000) / 100000;
content += "<tr><td>Lat, Lon&nbsp;</td><td>" + dLat + ", " + dLng +"</td></tr>";
}
if (this.options.gpsLong) {
// var gpsMinuten = this._geo2geodeziminuten(gps);
// content += "<tr><td>"+ gpsMinuten.NS + " " + gpsMinuten.latgrad + "&deg; "+ gpsMinuten.latminuten+"</td><td> " + gpsMinuten.WE + " "+ gpsMinuten.lnggrad +"&deg; "+ gpsMinuten.lngminuten +"</td></tr>";
var gpsMinutenSekunden = this._geo2gradminutensekunden(gps);
content += "<tr><td>"+ gpsMinutenSekunden.NS + " " + gpsMinutenSekunden.latgrad + "&deg; "+ gpsMinutenSekunden.latminuten + "&prime; "+ gpsMinutenSekunden.latsekunden+"&Prime;</td><td> " + gpsMinutenSekunden.WE + " "+ gpsMinutenSekunden.lnggrad +"&deg; "+ gpsMinutenSekunden.lngminuten + "&prime; "+ gpsMinutenSekunden.lngsekunden+"&Prime;</td></tr>";
}
if (this.options.utm) {
var utm = UTM.fromLatLng(gps);
if (utm !== undefined) {
content += "<tr><td>UTM</td><td>"+utm.zone+"&nbsp;" +utm.x+"&nbsp;" +utm.y+"</td></tr>";
}
}
if (this.options.utmref) {
var utmref = UTMREF.fromUTM(UTM.fromLatLng(gps));
if(utmref !== undefined){
content += "<tr><td>MGRS</td><td>"+utmref.zone+"&nbsp;" +utmref.band+"&nbsp;" +utmref.x+"&nbsp;" +utmref.y+"</td></tr>";
}
}
if (this.options.qth) {
var qth = QTH.fromLatLng(gps);
content += "<tr><td>QTH</td><td>"+qth+"</td></tr>";
}
if (this.options.nac) {
var nac = NAC.fromLatLng(gps);
content += "<tr><td>NAC</td><td>"+nac.y+" "+ nac.x +"</td></tr>";
}
content += "</table>";
this._gpsPositionContainer.innerHTML = content;
},
_geo2geodeziminuten: function (gps) {
var latgrad = parseInt(gps.lat,10);
var latminuten = Math.round( ((gps.lat - latgrad) * 60) * 10000 ) / 10000;
var lnggrad = parseInt(gps.lng,10);
var lngminuten = Math.round( ((gps.lng - lnggrad) * 60) * 10000 ) / 10000;
return this._AddNSEW({latgrad:latgrad, latminuten:latminuten, lnggrad:lnggrad, lngminuten:lngminuten},gps);
},
_geo2gradminutensekunden: function (gps) {
var latgrad = parseInt(gps.lat,10);
var latminuten = (gps.lat - latgrad) * 60;
var latsekunden = Math.round(((latminuten - parseInt(latminuten,10)) * 60) * 100) / 100;
latminuten = parseInt(latminuten,10);
var lnggrad = parseInt(gps.lng,10);
var lngminuten = (gps.lng - lnggrad) * 60;
var lngsekunden = Math.round(((lngminuten - parseInt(lngminuten,10)) * 60) * 100) /100;
lngminuten = parseInt(lngminuten,10);
return this._AddNSEW({latgrad:latgrad, latminuten:latminuten, latsekunden:latsekunden, lnggrad:lnggrad, lngminuten:lngminuten, lngsekunden:lngsekunden},gps);
},
_AddNSEW: function (coord,gps) {
coord.NS = "N";
coord.WE = "E";
if (gps.lat < 0) {
coord.latgrad = coord.latgrad * (-1);
coord.latminuten = coord.latminuten * (-1);
coord.latsekunden = coord.latsekunden * (-1);
coord.NS = "S";
}
if (gps.lng < 0) {
coord.lnggrad = coord.lnggrad * (-1);
coord.lngminuten = coord.lngminuten * (-1);
coord.lngsekunden = coord.lngsekunden * (-1);
coord.WE = "W";
}
return coord;
}
});
L.control.mouseCoordinate = function (options) {
return new L.Control.mouseCoordinate(options);
};
/**
* Created by Johannes Rudolph <johannes.rudolph@gmx.com> on 01.09.2016.
*/
/**
*
* @type {{fromLatLng: NAC.fromLatLng, _nac2Letter: NAC._nac2Letter}}
*/
var NAC = {
/**
* @param {{lat: number, lng: number}}
* @returns {string}
*/
fromLatLng: function(latlng) {
var lat = latlng.lat;
var lon = latlng.lng;
var x = [];
var y = [];
var xy = [];
xy.x = '';
xy.y = '';
if (lon >= -180 && lon <= 180) {
var xlon = (lon + 180) / 360;
x = this._calcValues(xlon);
} else {
x[0] = 0;
}
if (lat >= -90 && lat <= 90) {
var ylat = (lat + 90) / 180;
y = this._calcValues(ylat);
} else {
y[0] = 0;
}
for (var i = 0; i < x.length; i++) {
xy.x += this._nac2Letter(x[i]);
}
for (i = 0; i < y.length; i++) {
xy.y += this._nac2Letter(y[i]);
}
return xy;
},
/**
* @param z
* @returns {Array}
* @private
*/
_calcValues: function (z){
var ret = [];
ret[0] = parseInt(z * 30,10);
ret[1] = parseInt((z * 30 - ret[0]) * 30,10);
ret[2] = parseInt(((z * 30 - ret[0]) * 30 - ret[1]) * 30,10);
ret[3] = parseInt((((z * 30 - ret[0]) * 30 - ret[1]) * 30 - ret[2]) * 30,10);
ret[4] = parseInt(((((z * 30 - ret[0]) * 30 - ret[1]) * 30 - ret[2]) * 30 - ret[3]) * 30,10);
ret[5] = parseInt((((((z * 30 - ret[0]) * 30 - ret[1]) * 30 - ret[2]) * 30 - ret[3]) * 30 - ret[4]) * 30,10);
return ret;
},
/**
* @param number
* @returns {string}
* @private
*/
_nac2Letter: function(number){
var nac_letters = "0123456789BCDFGHJKLMNPQRSTVWXZ";
if(!isNaN(number) && number < 30)
return nac_letters.substr(number,1);
else return 0;
}
};
/**
* Created by Johannes Rudolph <johannes.rudolph@gmx.com> on 01.09.2016.
*/
/**
* @type {{fromLatLng: QTH.fromLatLng}}
*/
var QTH = {
/**
* @param {{lat: number, lng: number}}
* @returns {string}
*/
fromLatLng: function(latlng){
/* Long/Lat to QTH locator conversion largely */
/* inspired from the DL4MFM code found here : */
/* http://members.aol.com/mfietz/ham/calcloce.html */
var ychr = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
var ynum = "0123456789";
var yqth, yi, yk, ydiv, yres, ylp;
var y = 0;
var ycalc = [0,0,0];
var yn = [0,0,0,0,0,0,0];
ycalc[1] = latlng.lng+ 180;
ycalc[2] = latlng.lat + 90;
for (yi = 1; yi < 3; ++yi) {
for (yk = 1; yk < 4; ++yk) {
if (yk !== 3) {
if (yi === 1) {
if (yk === 1) ydiv = 20;
if (yk === 2) ydiv = 2;
}
if (yi === 2) {
if (yk === 1) ydiv = 10;
if (yk === 2) ydiv = 1;
}
yres = ycalc[yi] / ydiv;
ycalc[yi] = yres;
if (ycalc[yi]>0)
ylp = Math.floor(yres);
else
ylp = Math.ceil(yres);
ycalc[yi] = (ycalc[yi] - ylp) * ydiv;
}
else {
if (yi === 1)
ydiv = 12;
else
ydiv = 24;
yres = ycalc[yi] * ydiv;
ycalc[yi] = yres;
if (ycalc[yi] > 0)
ylp = Math.floor(yres);
else
ylp = Math.ceil(yres);
}
++y;
yn[y] = ylp;
}
}
yqth = ychr.charAt(yn[1]) + ychr.charAt(yn[4]) + ynum.charAt(yn[2]);
yqth += ynum.charAt(yn[5]) + ychr.charAt(yn[3])+ ychr.charAt(yn[6]);
return yqth;
}
};
/**
* Created by Johannes Rudolph <johannes.rudolph@gmx.com> on 01.09.2016.
*/
/**
* @type {{fromLatLng: UTM.fromLatLng, toLatLng: UTM.toLatLng}}
*/
var UTM = {
/**
*
* @param {{lat: number, lng: number}}
* @returns {{zone: string, x: number, y: number}}
*/
fromLatLng: function (latlng) {
//Copyright (c) 2006, HELMUT H. HEIMEIER
/*
* Okay, this just gives the wrong result:
* `UTMREF.fromUTM(UTM.fromLatLng({lat: 0, lng: -179.9999999999999}))`
* Results in
* `Object {zone: "02N", band: "HF", x: "50564", y: "00000"}`
* but should be in zone `01N`...
**/
var lw = latlng.lng;
var bw = latlng.lat;
if (lw === -180) {
lw += 1e-13;//Number.MIN_VALUE;
}
if (lw === 180) {
lw -= 1e-13;//umber.MIN_VALUE;
}
if (bw === -90) bw += 1e-13;//umber.MIN_VALUE;
if (bw === 90) bw -= 1e-13;//umber.MIN_VALUE;
// Geographische Laenge lw und Breite bw im WGS84 Datum
if (lw <= -180 || lw >= 180 || bw <= -80 || bw >= 84) {
console.error("Out of lw <= -180 || lw >= 180 || bw <= -80 || bw >= 84 bounds, which is kinda similar to UTM bounds, if you ignore the poles");
//alert("Werte nicht im Bereich des UTM Systems\n -180 <= LW < +180, -80 < BW < 84 N"); // jshint ignore:line
return;
}
lw = parseFloat(lw);
bw = parseFloat(bw);
// WGS84 Datum
// Grosse Halbachse a und Abplattung f
var a = 6378137.000;
var f = 3.35281068e-3;
var pi = Math.PI;
var b_sel = 'CDEFGHJKLMNPQRSTUVWXX';
// Polkruemmungshalbmesser c
var c = a/(1-f);
// Quadrat der zweiten numerischen Exzentrizitaet
var ex2 = (2*f-f*f)/((1-f)*(1-f));
var ex4 = ex2*ex2;
var ex6 = ex4*ex2;
var ex8 = ex4*ex4;
// Koeffizienten zur Berechnung der Meridianbogenlaenge
var e0 = c*(pi/180)*(1 - 3*ex2/4 + 45*ex4/64 - 175*ex6/256 + 11025*ex8/16384);
var e2 = c*( - 3*ex2/8 + 15*ex4/32 - 525*ex6/1024 + 2205*ex8/4096);
var e4 = c*(15*ex4/256 - 105*ex6/1024 + 2205*ex8/16384);
var e6 = c*( - 35*ex6/3072 + 315*ex8/12288);
// Laengenzone lz und Breitenzone (Band) bz
var lzn = parseInt((lw+180)/6,10) + 1;
var lz = lzn;
if (lzn < 10) {
lz = "0" + lzn;
}
//Chunk of code from https://github.com/proj4js/mgrs/blob/e43d7d644564c09831587a5f01c911caae991d8c/mgrs.js#L128-L147
//MIT License
//Copyright (c) 2012, Mike Adair, Richard Greenwood, Didier Richard, Stephen Irons, Olivier Terral, Calvin Metcalf
//
//Portions of this software are based on a port of components from the OpenMap com.bbn.openmap.proj.coords Java package. An initial port was initially created by Patrice G. Cappelaere and included in Community Mapbuilder (http://svn.codehaus.org/mapbuilder/), which is licensed under the LGPL license as per http://www.gnu.org/copyleft/lesser.html. OpenMap is licensed under the following license agreement:
// Special zone for Norway
if (bw >= 56.0 && bw < 64.0 && lw >= 3.0 && lw < 12.0) {
lz = 32;
}
// Special zones for Svalbard
if (bw >= 72.0 && bw < 84.0) {
if (lw >= 0.0 && lw < 9.0) {
lz = 31;
}
else if (lw >= 9.0 && lw < 21.0) {
lz = 33;
}
else if (lw >= 21.0 && lw < 33.0) {
lz = 35;
}
else if (lw >= 33.0 && lw < 42.0) {
lz = 37;
}
}
//End part of code from proj4js/mgrs
var bd = parseInt(1 + (bw + 80)/8,10);
var bz = b_sel.substr(bd-1,1);
// Geographische Breite in Radianten br
var br = bw * pi/180;
var tan1 = Math.tan(br);
var tan2 = tan1*tan1;
var tan4 = tan2*tan2;
var cos1 = Math.cos(br);
var cos2 = cos1*cos1;
var cos4 = cos2*cos2;
var cos3 = cos2*cos1;
var cos5 = cos4*cos1;
var etasq = ex2*cos2;
// Querkruemmungshalbmesser nd
var nd = c/Math.sqrt(1 + etasq);
// Meridianbogenlaenge g aus gegebener geographischer Breite bw
var g = (e0*bw) + (e2*Math.sin(2*br)) + (e4*Math.sin(4*br)) + (e6*Math.sin(6*br));
// Laengendifferenz dl zum Bezugsmeridian lh
var lh = (lzn - 30)*6 - 3;
var dl = (lw - lh)*pi/180;
var dl2 = dl*dl;
var dl4 = dl2*dl2;
var dl3 = dl2*dl;
var dl5 = dl4*dl;
// Masstabsfaktor auf dem Bezugsmeridian bei UTM Koordinaten m = 0.9996
// Nordwert nw und Ostwert ew als Funktion von geographischer Breite und Laenge
var nw;
if ( bw < 0 ) {
nw = 10e6 + 0.9996*(g + nd*cos2*tan1*dl2/2 + nd*cos4*tan1*(5-tan2+9*etasq)*dl4/24);
}
else {
nw = 0.9996*(g + nd*cos2*tan1*dl2/2 + nd*cos4*tan1*(5-tan2+9*etasq)*dl4/24);
}
var ew = 0.9996*( nd*cos1*dl + nd*cos3*(1-tan2+etasq)*dl3/6 + nd*cos5 *(5-18*tan2+tan4)*dl5/120) + 500000;
var zone = lz+bz;
var nk = nw - parseInt(nw,10);
if (nk < 0.5) {
nw = "" + parseInt(nw,10);
}
else {
nw = "" + (parseInt(nw,10) + 1);
}
while (nw.length < 7) {
nw = "0" + nw;
}
nk = ew - parseInt(ew,10);
if (nk < 0.5) {
ew = "0" + parseInt(ew,10);
}
else {
ew = "0" + parseInt(ew+1,10);
}
return {zone: zone, x: ew, y: nw};
},
/**
* @param {{zone: string, x: number, y: number}}
* @returns {{lat: number, lng: number}}
*/
toLatLng: function (utm){
// Copyright (c) 2006, HELMUT H. HEIMEIER
var zone = utm.zone;
var ew = utm.x;
var nw = utm.y;
// Laengenzone zone, Ostwert ew und Nordwert nw im WGS84 Datum
if (zone === "" || ew === "" || nw === ""){
zone = "";
ew = "";
nw = "";
return;
}
var band = zone.substr(2,1);
zone = parseFloat(zone);
ew = parseFloat(ew);
nw = parseFloat(nw);
// WGS84 Datum
// Grosse Halbachse a und Abplattung f
var a = 6378137.000;
var f = 3.35281068e-3;
var pi = Math.PI;
// Polkruemmungshalbmesser c
var c = a/(1-f);
// Quadrat der zweiten numerischen Exzentrizitaet
var ex2 = (2*f-f*f)/((1-f)*(1-f));
var ex4 = ex2*ex2;
var ex6 = ex4*ex2;
var ex8 = ex4*ex4;
// Koeffizienten zur Berechnung der geographischen Breite aus gegebener
// Meridianbogenlaenge
var e0 = c*(pi/180)*(1 - 3*ex2/4 + 45*ex4/64 - 175*ex6/256 + 11025*ex8/16384);
var f2 = (180/pi)*( 3*ex2/8 - 3*ex4/16 + 213*ex6/2048 - 255*ex8/4096);
var f4 = (180/pi)*( 21*ex4/256 - 21*ex6/256 + 533*ex8/8192);
var f6 = (180/pi)*( 151*ex6/6144 - 453*ex8/12288);
// Entscheidung Nord-/Sued Halbkugel
var m_nw;
if (band >= "N"|| band === ""){
m_nw = nw;
}
else {
m_nw = nw - 10e6;
}
// Geographische Breite bf zur Meridianbogenlaenge gf = m_nw
var sigma = (m_nw/0.9996)/e0;
var sigmr = sigma*pi/180;
var bf = sigma + f2*Math.sin(2*sigmr) + f4*Math.sin(4*sigmr) + f6*Math.sin(6*sigmr);
// Breite bf in Radianten
var br = bf * pi/180;
var tan1 = Math.tan(br);
var tan2 = tan1*tan1;
var tan4 = tan2*tan2;
var cos1 = Math.cos(br);
var cos2 = cos1*cos1;
var etasq = ex2*cos2;
// Querkruemmungshalbmesser nd
var nd = c/Math.sqrt(1 + etasq);
var nd2 = nd*nd;
var nd4 = nd2*nd2;
var nd6 = nd4*nd2;
var nd3 = nd2*nd;
var nd5 = nd4*nd;
// Laengendifferenz dl zum Bezugsmeridian lh
var lh = (zone - 30)*6 - 3;
var dy = (ew-500000)/0.9996;
var dy2 = dy*dy;
var dy4 = dy2*dy2;
var dy3 = dy2*dy;
var dy5 = dy3*dy2;
var dy6 = dy3*dy3;
var b2 = - tan1*(1+etasq)/(2*nd2);
var b4 = tan1*(5+3*tan2+6*etasq*(1-tan2))/(24*nd4);
var b6 = - tan1*(61+90*tan2+45*tan4)/(720*nd6);
var l1 = 1/(nd*cos1);
var l3 = - (1+2*tan2+etasq)/(6*nd3*cos1);
var l5 = (5+28*tan2+24*tan4)/(120*nd5*cos1);
// Geographische Breite bw und Laenge lw als Funktion von Ostwert ew
// und Nordwert nw
var bw = bf + (180/pi) * (b2*dy2 + b4*dy4 + b6*dy6);
var lw = lh + (180/pi) * (l1*dy + l3*dy3 + l5*dy5);
return {lat: bw, lng: lw};
}
};
/**
* Created by Johannes Rudolph <johannes.rudolph@gmx.com> on 01.09.2016.
*/
/**
* @type {{fromUTM: UTMREF.fromUTM, toUTM: UTMREF.toUTM}}
*/
var UTMREF = {
/**
* @param {{zone: string, x: number, y: number}}
* @returns {{zone, band: string, x: string, y: string}}
*/
fromUTM: function (utm) {
// Copyright (c) 2006, HELMUT H. HEIMEIER
if(utm === undefined){
return;
}
var zone = utm.zone;
var ew = utm.x;
var nw = utm.y;
// Laengenzone zone, Ostwert ew und Nordwert nw im WGS84 Datum
var z1 = zone.substr(0, 2);
var z2 = zone.substr(2, 1);
var ew1 = parseInt(ew.substr(0, 2),10);
var nw1 = parseInt(nw.substr(0, 2),10);
var ew2 = ew.substr(2, 5);
var nw2 = nw.substr(2, 5);
var m_east = 'ABCDEFGHJKLMNPQRSTUVWXYZ';
var m_north = 'ABCDEFGHJKLMNPQRSTUV';
/*if (z1 < "01" || z1 > "60" || z2 < "C" || z2 > "X") {
alert(z1 + z2 + " ist keine gueltige UTM Zonenangabe"); // jshint ignore:line
}*/
var m_ce;
var i = z1 % 3;
if (i === 1) {
m_ce = ew1 - 1;
}
if (i === 2) {
m_ce = ew1 + 7;
}
if (i === 0) {
m_ce = ew1 + 15;
}
i = z1 % 2;
var m_cn;
if (i === 1) {
m_cn = 0;
}
else {
m_cn = 5;
}
i = nw1;
while (i - 20 >= 0) {
i = i - 20;
}
m_cn = m_cn + i;
if (m_cn > 19) {
m_cn = m_cn - 20;
}
var band = m_east.charAt(m_ce) + m_north.charAt(m_cn);
return {zone: zone, band: band, x: ew2, y: nw2};
},
/**
* @param {{zone, band: string, x: string, y: string}}
* @returns {{zone: string, x: number, y: number}}
*/
toUTM: function (mgr) {
// Copyright (c) 2006, HELMUT H. HEIMEIER
// Laengenzone zone, Ostwert ew und Nordwert nw im WGS84 Datum
var m_east_0 = "STUVWXYZ";
var m_east_1 = "ABCDEFGH";
var m_east_2 = "JKLMNPQR";
var m_north_0 = "FGHJKLMNPQRSTUVABCDE";
var m_north_1 = "ABCDEFGHJKLMNPQRSTUV";
//zone = raster.substr(0,3);
var zone = mgr.zone;
var r_east = mgr.band.substr(0, 1);
var r_north = mgr.band.substr(1, 1);
var i = parseInt(zone.substr(0, 2),10) % 3;
var m_ce;
if (i === 0) {
m_ce = m_east_0.indexOf(r_east) + 1;
}
if (i === 1) {
m_ce = m_east_1.indexOf(r_east) + 1;
}
if (i === 2) {
m_ce = m_east_2.indexOf(r_east) + 1;
}
var ew = "0" + m_ce;
var m_cn = this._mgr2utm_find_m_cn(zone);
var nw;
if (m_cn.length === 1) {
nw = "0" + m_cn;
}
else {
nw = "" + m_cn;
}
return {zone: zone, x: ew, y: nw};
}
};

View File

@ -1199,16 +1199,7 @@ layercontrol = L.control.layers(basemaps, overlays);
if (!inIframe) { layercontrol.addTo(map); }
else { showLayerMenu = false;}
var coords = L.control.coordinates({
position:"bottomleft", //optional default "bottomright"
decimals:4, //optional default 4
decimalSeperator:".", //optional default "."
labelTemplateLat:"&nbsp;Lat: {y}", //optional default "Lat: {y}"
labelTemplateLng:"&nbsp;Lon: {x}", //optional default "Lng: {x}"
enableUserInput:false, //optional default true
useDMS:true, //optional default false
useLatLngOrder: true, //ordering of labels, default false-> lng-lat
});
var coords = L.control.mouseCoordinate({position:"bottomleft"});
// Add an optional legend
var legend = L.control({ position: "bottomleft" });
@ -2193,16 +2184,13 @@ function doCommand(cmd) {
if (cmd.hasOwnProperty("coords")) {
try { coords.removeFrom(map); }
catch(e) {}
if (cmd.coords == "dms") {
coords.options.useDMS = true;
showMouseCoords = "dms";
coords.addTo(map);
}
if (cmd.coords == "deg") {
coords.options.useDMS = false;
showMouseCoords = "deg";
coords.addTo(map);
}
var opts = {gps:false, gpsLong:false, utm:false, utmref:false, position:"bottomleft"}
if (cmd.coords == "deg") { opts.gps = true; }
if (cmd.coords == "dms") { opts.gpsLong = true; }
if (cmd.coords == "utm") { opts.utm = true; }
if (cmd.coords == "mgrs") { opts.utmref = true; }
coords.options = opts;
coords.addTo(map);
}
if (cmd.hasOwnProperty("legend")) {
if (typeof cmd.legend === "string" && cmd.legend.length > 0) {
@ -2213,7 +2201,7 @@ function doCommand(cmd) {
return div;
};
legend.addTo(map);
};
}
legend.getContainer().style.visibility = 'visible'; // if already exist use visibility to show/hide
legend.getContainer().innerHTML = cmd.legend; // set content of legend
}