expoweb/map/tools/index.html
2023-11-08 15:58:34 +02:00

157 lines
5.2 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
input[type=text], select {
width: 100%;
padding: 12px 20px;
margin: 8px 0;
display: inline-block;
border: 1px solid #ccc;
border-radius: 4px;
box-sizing: border-box;
}
textarea, select {
width: 100%;
padding: 12px 20px;
margin: 8px 0;
display: inline-block;
border: 1px solid #ccc;
border-radius: 4px;
box-sizing: border-box;
}
input[type=button] {
width: 100%;
background-color: #4CAF50;
color: white;
padding: 14px 20px;
margin: 8px 0;
border: none;
border-radius: 4px;
cursor: pointer;
}
input[type=submit]:hover {
background-color: #45a049;
}
table{
width: 100%;
}
td{
border-bottom: 1px solid #ccc;
}
</style>
<script type="module">
import { fromLatLon, toLatLon } from "./utm_converter.js";
import { heightFromUTM } from "./height_from_utm.js";
function findDigitGroupings(str) {
const digitGroupings = str.match(/[\d.]+/g);
return digitGroupings || [];
}
function toDMSString(decimalDegrees) {
const degrees = Math.floor(decimalDegrees);
const decimalMinutes = (decimalDegrees - degrees) * 60;
const minutes = Math.floor(decimalMinutes);
const seconds = (decimalMinutes - minutes) * 60;
return `${degrees}° ${minutes}' ${seconds.toFixed(2)}"`;
}
function fromUnknown(str)
{
var lines = str.split('\n');
let latlongs = lines.map(line => {
let digits = findDigitGroupings(line).map(x => parseFloat(x));
if(digits.length == 2)
{
return digits
}
if(digits.length == 4)
{
return [
digits[0] + (1.0/60)*digits[1],
digits[2] + (1.0/60)*digits[3]
]
}
if(digits.length == 6)
{
return [
digits[0] + (1.0/60)*digits[1] + (1.0/3600)*digits[2],
digits[3] + (1.0/60)*digits[4] + (1.0/3600)*digits[5]
]
}
if(digits.length == 3)
{
let zone = line.match(/\d\d[A-Z]/g)[0];
let res = fromUTM(digits[1],digits[2],digits[0],zone[2])
return [res['latitude'],res['longitude']]
}
});
var table_cells = latlongs.map(x => {
let utm = fromLatLon(x[0],x[1]);
let utmString = `${utm.zoneNum}${utm.zoneLetter} ${utm.easting.toFixed(2)} ${utm.northing.toFixed(2)}`
let latlonString = `${x[0].toFixed(6)} N ${x[1].toFixed(6)} E`
let dmsString = `${toDMSString(x[0])} N ${toDMSString(x[1])} E`
return [utmString,latlonString, dmsString, heightFromUTM(utm.easting,utm.northing)]
})
table_cells = [['utm','lat/lon','lat/lon','height']].concat(table_cells)
let resultsbox = document.getElementById("results");
resultsbox.replaceChildren();
const table = document.createElement("table");
for(var i=0;i < table_cells.length; i++)
{
const row = document.createElement("tr");
for(var j=0;j < table_cells[i].length; j++)
{
const cell = document.createElement("td");
const cellText = document.createTextNode(table_cells[i][j]);
cell.appendChild(cellText);
row.appendChild(cell);
}
table.appendChild(row);
}
resultsbox.appendChild(table);
}
document.addEventListener('DOMContentLoaded', () => {
window.fromLatLon = fromLatLon
window.fromUTM = toLatLon
window.fromUnknown = fromUnknown
window.heightFromUTM = heightFromUTM
});
</script>
</head>
<body>
<form action>
<label for="input">Enter coordinates: <span class="delicate">(one
per line: lat-lon (decimal degrees or not), UTM)</span></label>
<textarea name="input" id="input" rows="4">52° 13' 46.8336'' N 21° 0' 44.0244'' E
52.229676 N 21.012229 E
34U 500835.29 5786584.44</textarea>
<input type="button" id="convert_button" name="convert_button"
value="Convert!"
onclick="fromUnknown(document.getElementById('input').value)">
</form>
<div id="results"></div>
</body>