audio support

geo
Alexander Roidl 2 years ago
parent fd3564f1f7
commit 8698ffee6d

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.DS_Store vendored

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app/.DS_Store vendored

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@ -7,6 +7,7 @@ body{
background-color: #f1f1f1;
font-size: clamp(12px, 1.2vw, 25px);
box-sizing: border-box;
}
p{
@ -87,6 +88,22 @@ audio{
}
/* HOME PUPOP */
.locations_popup .row{
position: fixed;
bottom: 0;
background-color: black;
color: white;
border-radius: 2em 2em 0 0;
width: 100%;
box-sizing: border-box;
margin: 0;
padding: 1em;
left: 0;
display: none;
}
/* FROM */
.form-control{

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@ -0,0 +1,658 @@
/* required styles */
.leaflet-pane,
.leaflet-tile,
.leaflet-marker-icon,
.leaflet-marker-shadow,
.leaflet-tile-container,
.leaflet-pane > svg,
.leaflet-pane > canvas,
.leaflet-zoom-box,
.leaflet-image-layer,
.leaflet-layer {
position: absolute;
left: 0;
top: 0;
}
.leaflet-container {
overflow: hidden;
}
.leaflet-tile,
.leaflet-marker-icon,
.leaflet-marker-shadow {
-webkit-user-select: none;
-moz-user-select: none;
user-select: none;
-webkit-user-drag: none;
}
/* Prevents IE11 from highlighting tiles in blue */
.leaflet-tile::selection {
background: transparent;
}
/* Safari renders non-retina tile on retina better with this, but Chrome is worse */
.leaflet-safari .leaflet-tile {
image-rendering: -webkit-optimize-contrast;
}
/* hack that prevents hw layers "stretching" when loading new tiles */
.leaflet-safari .leaflet-tile-container {
width: 1600px;
height: 1600px;
-webkit-transform-origin: 0 0;
}
.leaflet-marker-icon,
.leaflet-marker-shadow {
display: block;
}
/* .leaflet-container svg: reset svg max-width decleration shipped in Joomla! (joomla.org) 3.x */
/* .leaflet-container img: map is broken in FF if you have max-width: 100% on tiles */
.leaflet-container .leaflet-overlay-pane svg {
max-width: none !important;
max-height: none !important;
}
.leaflet-container .leaflet-marker-pane img,
.leaflet-container .leaflet-shadow-pane img,
.leaflet-container .leaflet-tile-pane img,
.leaflet-container img.leaflet-image-layer,
.leaflet-container .leaflet-tile {
max-width: none !important;
max-height: none !important;
width: auto;
padding: 0;
}
.leaflet-container.leaflet-touch-zoom {
-ms-touch-action: pan-x pan-y;
touch-action: pan-x pan-y;
}
.leaflet-container.leaflet-touch-drag {
-ms-touch-action: pinch-zoom;
/* Fallback for FF which doesn't support pinch-zoom */
touch-action: none;
touch-action: pinch-zoom;
}
.leaflet-container.leaflet-touch-drag.leaflet-touch-zoom {
-ms-touch-action: none;
touch-action: none;
}
.leaflet-container {
-webkit-tap-highlight-color: transparent;
}
.leaflet-container a {
-webkit-tap-highlight-color: rgba(51, 181, 229, 0.4);
}
.leaflet-tile {
filter: inherit;
visibility: hidden;
}
.leaflet-tile-loaded {
visibility: inherit;
}
.leaflet-zoom-box {
width: 0;
height: 0;
-moz-box-sizing: border-box;
box-sizing: border-box;
z-index: 800;
}
/* workaround for https://bugzilla.mozilla.org/show_bug.cgi?id=888319 */
.leaflet-overlay-pane svg {
-moz-user-select: none;
}
.leaflet-pane { z-index: 400; }
.leaflet-tile-pane { z-index: 200; }
.leaflet-overlay-pane { z-index: 400; }
.leaflet-shadow-pane { z-index: 500; }
.leaflet-marker-pane { z-index: 600; }
.leaflet-tooltip-pane { z-index: 650; }
.leaflet-popup-pane { z-index: 700; }
.leaflet-map-pane canvas { z-index: 100; }
.leaflet-map-pane svg { z-index: 200; }
.leaflet-vml-shape {
width: 1px;
height: 1px;
}
.lvml {
behavior: url(#default#VML);
display: inline-block;
position: absolute;
}
/* control positioning */
.leaflet-control {
position: relative;
z-index: 800;
pointer-events: visiblePainted; /* IE 9-10 doesn't have auto */
pointer-events: auto;
}
.leaflet-top,
.leaflet-bottom {
position: absolute;
z-index: 1000;
pointer-events: none;
}
.leaflet-top {
top: 0;
}
.leaflet-right {
right: 0;
}
.leaflet-bottom {
bottom: 0;
}
.leaflet-left {
left: 0;
}
.leaflet-control {
float: left;
clear: both;
}
.leaflet-right .leaflet-control {
float: right;
}
.leaflet-top .leaflet-control {
margin-top: 10px;
}
.leaflet-bottom .leaflet-control {
margin-bottom: 10px;
}
.leaflet-left .leaflet-control {
margin-left: 10px;
}
.leaflet-right .leaflet-control {
margin-right: 10px;
}
/* zoom and fade animations */
.leaflet-fade-anim .leaflet-popup {
opacity: 0;
-webkit-transition: opacity 0.2s linear;
-moz-transition: opacity 0.2s linear;
transition: opacity 0.2s linear;
}
.leaflet-fade-anim .leaflet-map-pane .leaflet-popup {
opacity: 1;
}
.leaflet-zoom-animated {
-webkit-transform-origin: 0 0;
-ms-transform-origin: 0 0;
transform-origin: 0 0;
}
svg.leaflet-zoom-animated {
will-change: transform;
}
.leaflet-zoom-anim .leaflet-zoom-animated {
-webkit-transition: -webkit-transform 0.25s cubic-bezier(0,0,0.25,1);
-moz-transition: -moz-transform 0.25s cubic-bezier(0,0,0.25,1);
transition: transform 0.25s cubic-bezier(0,0,0.25,1);
}
.leaflet-zoom-anim .leaflet-tile,
.leaflet-pan-anim .leaflet-tile {
-webkit-transition: none;
-moz-transition: none;
transition: none;
}
.leaflet-zoom-anim .leaflet-zoom-hide {
visibility: hidden;
}
/* cursors */
.leaflet-interactive {
cursor: pointer;
}
.leaflet-grab {
cursor: -webkit-grab;
cursor: -moz-grab;
cursor: grab;
}
.leaflet-crosshair,
.leaflet-crosshair .leaflet-interactive {
cursor: crosshair;
}
.leaflet-popup-pane,
.leaflet-control {
cursor: auto;
}
.leaflet-dragging .leaflet-grab,
.leaflet-dragging .leaflet-grab .leaflet-interactive,
.leaflet-dragging .leaflet-marker-draggable {
cursor: move;
cursor: -webkit-grabbing;
cursor: -moz-grabbing;
cursor: grabbing;
}
/* marker & overlays interactivity */
.leaflet-marker-icon,
.leaflet-marker-shadow,
.leaflet-image-layer,
.leaflet-pane > svg path,
.leaflet-tile-container {
pointer-events: none;
}
.leaflet-marker-icon.leaflet-interactive,
.leaflet-image-layer.leaflet-interactive,
.leaflet-pane > svg path.leaflet-interactive,
svg.leaflet-image-layer.leaflet-interactive path {
pointer-events: visiblePainted; /* IE 9-10 doesn't have auto */
pointer-events: auto;
}
/* visual tweaks */
.leaflet-container {
background: #ddd;
outline-offset: 1px;
}
.leaflet-container a {
color: #0078A8;
}
.leaflet-zoom-box {
border: 2px dotted #38f;
background: rgba(255,255,255,0.5);
}
/* general typography */
.leaflet-container {
font-family: "Helvetica Neue", Arial, Helvetica, sans-serif;
font-size: 12px;
font-size: 0.75rem;
line-height: 1.5;
}
/* general toolbar styles */
.leaflet-bar {
box-shadow: 0 1px 5px rgba(0,0,0,0.65);
border-radius: 4px;
}
.leaflet-bar a {
background-color: #fff;
border-bottom: 1px solid #ccc;
width: 26px;
height: 26px;
line-height: 26px;
display: block;
text-align: center;
text-decoration: none;
color: black;
}
.leaflet-bar a,
.leaflet-control-layers-toggle {
background-position: 50% 50%;
background-repeat: no-repeat;
display: block;
}
.leaflet-bar a:hover,
.leaflet-bar a:focus {
background-color: #f4f4f4;
}
.leaflet-bar a:first-child {
border-top-left-radius: 4px;
border-top-right-radius: 4px;
}
.leaflet-bar a:last-child {
border-bottom-left-radius: 4px;
border-bottom-right-radius: 4px;
border-bottom: none;
}
.leaflet-bar a.leaflet-disabled {
cursor: default;
background-color: #f4f4f4;
color: #bbb;
}
.leaflet-touch .leaflet-bar a {
width: 30px;
height: 30px;
line-height: 30px;
}
.leaflet-touch .leaflet-bar a:first-child {
border-top-left-radius: 2px;
border-top-right-radius: 2px;
}
.leaflet-touch .leaflet-bar a:last-child {
border-bottom-left-radius: 2px;
border-bottom-right-radius: 2px;
}
/* zoom control */
.leaflet-control-zoom-in,
.leaflet-control-zoom-out {
font: bold 18px 'Lucida Console', Monaco, monospace;
text-indent: 1px;
}
.leaflet-touch .leaflet-control-zoom-in, .leaflet-touch .leaflet-control-zoom-out {
font-size: 22px;
}
/* layers control */
.leaflet-control-layers {
box-shadow: 0 1px 5px rgba(0,0,0,0.4);
background: #fff;
border-radius: 5px;
}
.leaflet-control-layers-toggle {
background-image: url(images/layers.png);
width: 36px;
height: 36px;
}
.leaflet-retina .leaflet-control-layers-toggle {
background-image: url(images/layers-2x.png);
background-size: 26px 26px;
}
.leaflet-touch .leaflet-control-layers-toggle {
width: 44px;
height: 44px;
}
.leaflet-control-layers .leaflet-control-layers-list,
.leaflet-control-layers-expanded .leaflet-control-layers-toggle {
display: none;
}
.leaflet-control-layers-expanded .leaflet-control-layers-list {
display: block;
position: relative;
}
.leaflet-control-layers-expanded {
padding: 6px 10px 6px 6px;
color: #333;
background: #fff;
}
.leaflet-control-layers-scrollbar {
overflow-y: scroll;
overflow-x: hidden;
padding-right: 5px;
}
.leaflet-control-layers-selector {
margin-top: 2px;
position: relative;
top: 1px;
}
.leaflet-control-layers label {
display: block;
font-size: 13px;
font-size: 1.08333em;
}
.leaflet-control-layers-separator {
height: 0;
border-top: 1px solid #ddd;
margin: 5px -10px 5px -6px;
}
/* Default icon URLs */
.leaflet-default-icon-path { /* used only in path-guessing heuristic, see L.Icon.Default */
background-image: url(images/marker-icon.png);
}
/* attribution and scale controls */
.leaflet-container .leaflet-control-attribution {
background: #fff;
background: rgba(255, 255, 255, 0.8);
margin: 0;
}
.leaflet-control-attribution,
.leaflet-control-scale-line {
padding: 0 5px;
color: #333;
line-height: 1.4;
}
.leaflet-control-attribution a {
text-decoration: none;
}
.leaflet-control-attribution a:hover,
.leaflet-control-attribution a:focus {
text-decoration: underline;
}
.leaflet-attribution-flag {
display: inline !important;
vertical-align: baseline !important;
width: 1em;
height: 0.6669em;
}
.leaflet-left .leaflet-control-scale {
margin-left: 5px;
}
.leaflet-bottom .leaflet-control-scale {
margin-bottom: 5px;
}
.leaflet-control-scale-line {
border: 2px solid #777;
border-top: none;
line-height: 1.1;
padding: 2px 5px 1px;
white-space: nowrap;
overflow: hidden;
-moz-box-sizing: border-box;
box-sizing: border-box;
background: #fff;
background: rgba(255, 255, 255, 0.5);
}
.leaflet-control-scale-line:not(:first-child) {
border-top: 2px solid #777;
border-bottom: none;
margin-top: -2px;
}
.leaflet-control-scale-line:not(:first-child):not(:last-child) {
border-bottom: 2px solid #777;
}
.leaflet-touch .leaflet-control-attribution,
.leaflet-touch .leaflet-control-layers,
.leaflet-touch .leaflet-bar {
box-shadow: none;
}
.leaflet-touch .leaflet-control-layers,
.leaflet-touch .leaflet-bar {
border: 2px solid rgba(0,0,0,0.2);
background-clip: padding-box;
}
/* popup */
.leaflet-popup {
position: absolute;
text-align: center;
margin-bottom: 20px;
}
.leaflet-popup-content-wrapper {
padding: 1px;
text-align: left;
border-radius: 12px;
}
.leaflet-popup-content {
margin: 13px 24px 13px 20px;
line-height: 1.3;
font-size: 13px;
font-size: 1.08333em;
min-height: 1px;
}
.leaflet-popup-content p {
margin: 17px 0;
margin: 1.3em 0;
}
.leaflet-popup-tip-container {
width: 40px;
height: 20px;
position: absolute;
left: 50%;
margin-top: -1px;
margin-left: -20px;
overflow: hidden;
pointer-events: none;
}
.leaflet-popup-tip {
width: 17px;
height: 17px;
padding: 1px;
margin: -10px auto 0;
pointer-events: auto;
-webkit-transform: rotate(45deg);
-moz-transform: rotate(45deg);
-ms-transform: rotate(45deg);
transform: rotate(45deg);
}
.leaflet-popup-content-wrapper,
.leaflet-popup-tip {
background: white;
color: #333;
box-shadow: 0 3px 14px rgba(0,0,0,0.4);
}
.leaflet-container a.leaflet-popup-close-button {
position: absolute;
top: 0;
right: 0;
border: none;
text-align: center;
width: 24px;
height: 24px;
font: 16px/24px Tahoma, Verdana, sans-serif;
color: #757575;
text-decoration: none;
background: transparent;
}
.leaflet-container a.leaflet-popup-close-button:hover,
.leaflet-container a.leaflet-popup-close-button:focus {
color: #585858;
}
.leaflet-popup-scrolled {
overflow: auto;
}
.leaflet-oldie .leaflet-popup-content-wrapper {
-ms-zoom: 1;
}
.leaflet-oldie .leaflet-popup-tip {
width: 24px;
margin: 0 auto;
-ms-filter: "progid:DXImageTransform.Microsoft.Matrix(M11=0.70710678, M12=0.70710678, M21=-0.70710678, M22=0.70710678)";
filter: progid:DXImageTransform.Microsoft.Matrix(M11=0.70710678, M12=0.70710678, M21=-0.70710678, M22=0.70710678);
}
.leaflet-oldie .leaflet-control-zoom,
.leaflet-oldie .leaflet-control-layers,
.leaflet-oldie .leaflet-popup-content-wrapper,
.leaflet-oldie .leaflet-popup-tip {
border: 1px solid #999;
}
/* div icon */
.leaflet-div-icon {
background: #fff;
border: 1px solid #666;
}
/* Tooltip */
/* Base styles for the element that has a tooltip */
.leaflet-tooltip {
position: absolute;
padding: 6px;
background-color: #fff;
border: 1px solid #fff;
border-radius: 3px;
color: #222;
white-space: nowrap;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
pointer-events: none;
box-shadow: 0 1px 3px rgba(0,0,0,0.4);
}
.leaflet-tooltip.leaflet-interactive {
cursor: pointer;
pointer-events: auto;
}
.leaflet-tooltip-top:before,
.leaflet-tooltip-bottom:before,
.leaflet-tooltip-left:before,
.leaflet-tooltip-right:before {
position: absolute;
pointer-events: none;
border: 6px solid transparent;
background: transparent;
content: "";
}
/* Directions */
.leaflet-tooltip-bottom {
margin-top: 6px;
}
.leaflet-tooltip-top {
margin-top: -6px;
}
.leaflet-tooltip-bottom:before,
.leaflet-tooltip-top:before {
left: 50%;
margin-left: -6px;
}
.leaflet-tooltip-top:before {
bottom: 0;
margin-bottom: -12px;
border-top-color: #fff;
}
.leaflet-tooltip-bottom:before {
top: 0;
margin-top: -12px;
margin-left: -6px;
border-bottom-color: #fff;
}
.leaflet-tooltip-left {
margin-left: -6px;
}
.leaflet-tooltip-right {
margin-left: 6px;
}
.leaflet-tooltip-left:before,
.leaflet-tooltip-right:before {
top: 50%;
margin-top: -6px;
}
.leaflet-tooltip-left:before {
right: 0;
margin-right: -12px;
border-left-color: #fff;
}
.leaflet-tooltip-right:before {
left: 0;
margin-left: -12px;
border-right-color: #fff;
}
/* Printing */
@media print {
/* Prevent printers from removing background-images of controls. */
.leaflet-control {
-webkit-print-color-adjust: exact;
print-color-adjust: exact;
}
}

@ -0,0 +1,767 @@
// Packaging/modules magic dance.
(function (factory) {
var L;
if (typeof define === 'function' && define.amd) {
// AMD
define(['leaflet'], factory);
} else if (typeof module !== 'undefined') {
// Node/CommonJS
L = require('leaflet');
module.exports = factory(L);
} else {
// Browser globals
if (typeof window.L === 'undefined')
throw 'Leaflet must be loaded first';
factory(window.L);
}
}(function (L) {
"use strict";
L.Polyline._flat = L.LineUtil.isFlat || L.Polyline._flat || function (latlngs) {
// true if it's a flat array of latlngs; false if nested
return !L.Util.isArray(latlngs[0]) || (typeof latlngs[0][0] !== 'object' && typeof latlngs[0][0] !== 'undefined');
};
/**
* @fileOverview Leaflet Geometry utilities for distances and linear referencing.
* @name L.GeometryUtil
*/
L.GeometryUtil = L.extend(L.GeometryUtil || {}, {
/**
Shortcut function for planar distance between two {L.LatLng} at current zoom.
@tutorial distance-length
@param {L.Map} map Leaflet map to be used for this method
@param {L.LatLng} latlngA geographical point A
@param {L.LatLng} latlngB geographical point B
@returns {Number} planar distance
*/
distance: function (map, latlngA, latlngB) {
return map.latLngToLayerPoint(latlngA).distanceTo(map.latLngToLayerPoint(latlngB));
},
/**
Shortcut function for planar distance between a {L.LatLng} and a segment (A-B).
@param {L.Map} map Leaflet map to be used for this method
@param {L.LatLng} latlng - The position to search
@param {L.LatLng} latlngA geographical point A of the segment
@param {L.LatLng} latlngB geographical point B of the segment
@returns {Number} planar distance
*/
distanceSegment: function (map, latlng, latlngA, latlngB) {
var p = map.latLngToLayerPoint(latlng),
p1 = map.latLngToLayerPoint(latlngA),
p2 = map.latLngToLayerPoint(latlngB);
return L.LineUtil.pointToSegmentDistance(p, p1, p2);
},
/**
Shortcut function for converting distance to readable distance.
@param {Number} distance distance to be converted
@param {String} unit 'metric' or 'imperial'
@returns {String} in yard or miles
*/
readableDistance: function (distance, unit) {
var isMetric = (unit !== 'imperial'),
distanceStr;
if (isMetric) {
// show metres when distance is < 1km, then show km
if (distance > 1000) {
distanceStr = (distance / 1000).toFixed(2) + ' km';
}
else {
distanceStr = distance.toFixed(1) + ' m';
}
}
else {
distance *= 1.09361;
if (distance > 1760) {
distanceStr = (distance / 1760).toFixed(2) + ' miles';
}
else {
distanceStr = distance.toFixed(1) + ' yd';
}
}
return distanceStr;
},
/**
Returns true if the latlng belongs to segment A-B
@param {L.LatLng} latlng - The position to search
@param {L.LatLng} latlngA geographical point A of the segment
@param {L.LatLng} latlngB geographical point B of the segment
@param {?Number} [tolerance=0.2] tolerance to accept if latlng belongs really
@returns {boolean}
*/
belongsSegment: function(latlng, latlngA, latlngB, tolerance) {
tolerance = tolerance === undefined ? 0.2 : tolerance;
var hypotenuse = latlngA.distanceTo(latlngB),
delta = latlngA.distanceTo(latlng) + latlng.distanceTo(latlngB) - hypotenuse;
return delta/hypotenuse < tolerance;
},
/**
* Returns total length of line
* @tutorial distance-length
*
* @param {L.Polyline|Array<L.Point>|Array<L.LatLng>} coords Set of coordinates
* @returns {Number} Total length (pixels for Point, meters for LatLng)
*/
length: function (coords) {
var accumulated = L.GeometryUtil.accumulatedLengths(coords);
return accumulated.length > 0 ? accumulated[accumulated.length-1] : 0;
},
/**
* Returns a list of accumulated length along a line.
* @param {L.Polyline|Array<L.Point>|Array<L.LatLng>} coords Set of coordinates
* @returns {Array<Number>} Array of accumulated lengths (pixels for Point, meters for LatLng)
*/
accumulatedLengths: function (coords) {
if (typeof coords.getLatLngs == 'function') {
coords = coords.getLatLngs();
}
if (coords.length === 0)
return [];
var total = 0,
lengths = [0];
for (var i = 0, n = coords.length - 1; i< n; i++) {
total += coords[i].distanceTo(coords[i+1]);
lengths.push(total);
}
return lengths;
},
/**
Returns the closest point of a {L.LatLng} on the segment (A-B)
@tutorial closest
@param {L.Map} map Leaflet map to be used for this method
@param {L.LatLng} latlng - The position to search
@param {L.LatLng} latlngA geographical point A of the segment
@param {L.LatLng} latlngB geographical point B of the segment
@returns {L.LatLng} Closest geographical point
*/
closestOnSegment: function (map, latlng, latlngA, latlngB) {
var maxzoom = map.getMaxZoom();
if (maxzoom === Infinity)
maxzoom = map.getZoom();
var p = map.project(latlng, maxzoom),
p1 = map.project(latlngA, maxzoom),
p2 = map.project(latlngB, maxzoom),
closest = L.LineUtil.closestPointOnSegment(p, p1, p2);
return map.unproject(closest, maxzoom);
},
/**
Returns the closest latlng on layer.
Accept nested arrays
@tutorial closest
@param {L.Map} map Leaflet map to be used for this method
@param {Array<L.LatLng>|Array<Array<L.LatLng>>|L.PolyLine|L.Polygon} layer - Layer that contains the result
@param {L.LatLng} latlng - The position to search
@param {?boolean} [vertices=false] - Whether to restrict to path vertices.
@returns {L.LatLng} Closest geographical point or null if layer param is incorrect
*/
closest: function (map, layer, latlng, vertices) {
var latlngs,
mindist = Infinity,
result = null,
i, n, distance, subResult;
if (layer instanceof Array) {
// if layer is Array<Array<T>>
if (layer[0] instanceof Array && typeof layer[0][0] !== 'number') {
// if we have nested arrays, we calc the closest for each array
// recursive
for (i = 0; i < layer.length; i++) {
subResult = L.GeometryUtil.closest(map, layer[i], latlng, vertices);
if (subResult && subResult.distance < mindist) {
mindist = subResult.distance;
result = subResult;
}
}
return result;
} else if (layer[0] instanceof L.LatLng
|| typeof layer[0][0] === 'number'
|| typeof layer[0].lat === 'number') { // we could have a latlng as [x,y] with x & y numbers or {lat, lng}
layer = L.polyline(layer);
} else {
return result;
}
}
// if we don't have here a Polyline, that means layer is incorrect
// see https://github.com/makinacorpus/Leaflet.GeometryUtil/issues/23
if (! ( layer instanceof L.Polyline ) )
return result;
// deep copy of latlngs
latlngs = JSON.parse(JSON.stringify(layer.getLatLngs().slice(0)));
// add the last segment for L.Polygon
if (layer instanceof L.Polygon) {
// add the last segment for each child that is a nested array
var addLastSegment = function(latlngs) {
if (L.Polyline._flat(latlngs)) {
latlngs.push(latlngs[0]);
} else {
for (var i = 0; i < latlngs.length; i++) {
addLastSegment(latlngs[i]);
}
}
};
addLastSegment(latlngs);
}
// we have a multi polygon / multi polyline / polygon with holes
// use recursive to explore and return the good result
if ( ! L.Polyline._flat(latlngs) ) {
for (i = 0; i < latlngs.length; i++) {
// if we are at the lower level, and if we have a L.Polygon, we add the last segment
subResult = L.GeometryUtil.closest(map, latlngs[i], latlng, vertices);
if (subResult.distance < mindist) {
mindist = subResult.distance;
result = subResult;
}
}
return result;
} else {
// Lookup vertices
if (vertices) {
for(i = 0, n = latlngs.length; i < n; i++) {
var ll = latlngs[i];
distance = L.GeometryUtil.distance(map, latlng, ll);
if (distance < mindist) {
mindist = distance;
result = ll;
result.distance = distance;
}
}
return result;
}
// Keep the closest point of all segments
for (i = 0, n = latlngs.length; i < n-1; i++) {
var latlngA = latlngs[i],
latlngB = latlngs[i+1];
distance = L.GeometryUtil.distanceSegment(map, latlng, latlngA, latlngB);
if (distance <= mindist) {
mindist = distance;
result = L.GeometryUtil.closestOnSegment(map, latlng, latlngA, latlngB);
result.distance = distance;
}
}
return result;
}
},
/**
Returns the closest layer to latlng among a list of layers.
@tutorial closest
@param {L.Map} map Leaflet map to be used for this method
@param {Array<L.ILayer>} layers Set of layers
@param {L.LatLng} latlng - The position to search
@returns {object} ``{layer, latlng, distance}`` or ``null`` if list is empty;
*/
closestLayer: function (map, layers, latlng) {
var mindist = Infinity,
result = null,
ll = null,
distance = Infinity;
for (var i = 0, n = layers.length; i < n; i++) {
var layer = layers[i];
if (layer instanceof L.LayerGroup) {
// recursive
var subResult = L.GeometryUtil.closestLayer(map, layer.getLayers(), latlng);
if (subResult.distance < mindist) {
mindist = subResult.distance;
result = subResult;
}
} else {
// Single dimension, snap on points, else snap on closest
if (typeof layer.getLatLng == 'function') {
ll = layer.getLatLng();
distance = L.GeometryUtil.distance(map, latlng, ll);
}
else {
ll = L.GeometryUtil.closest(map, layer, latlng);
if (ll) distance = ll.distance; // Can return null if layer has no points.
}
if (distance < mindist) {
mindist = distance;
result = {layer: layer, latlng: ll, distance: distance};
}
}
}
return result;
},
/**
Returns the n closest layers to latlng among a list of input layers.
@param {L.Map} map - Leaflet map to be used for this method
@param {Array<L.ILayer>} layers - Set of layers
@param {L.LatLng} latlng - The position to search
@param {?Number} [n=layers.length] - the expected number of output layers.
@returns {Array<object>} an array of objects ``{layer, latlng, distance}`` or ``null`` if the input is invalid (empty list or negative n)
*/
nClosestLayers: function (map, layers, latlng, n) {
n = typeof n === 'number' ? n : layers.length;
if (n < 1 || layers.length < 1) {
return null;
}
var results = [];
var distance, ll;
for (var i = 0, m = layers.length; i < m; i++) {
var layer = layers[i];
if (layer instanceof L.LayerGroup) {
// recursive
var subResult = L.GeometryUtil.closestLayer(map, layer.getLayers(), latlng);
results.push(subResult);
} else {
// Single dimension, snap on points, else snap on closest
if (typeof layer.getLatLng == 'function') {
ll = layer.getLatLng();
distance = L.GeometryUtil.distance(map, latlng, ll);
}
else {
ll = L.GeometryUtil.closest(map, layer, latlng);
if (ll) distance = ll.distance; // Can return null if layer has no points.
}
results.push({layer: layer, latlng: ll, distance: distance});
}
}
results.sort(function(a, b) {
return a.distance - b.distance;
});
if (results.length > n) {
return results.slice(0, n);
} else {
return results;
}
},
/**
* Returns all layers within a radius of the given position, in an ascending order of distance.
@param {L.Map} map Leaflet map to be used for this method
@param {Array<ILayer>} layers - A list of layers.
@param {L.LatLng} latlng - The position to search
@param {?Number} [radius=Infinity] - Search radius in pixels
@return {object[]} an array of objects including layer within the radius, closest latlng, and distance
*/
layersWithin: function(map, layers, latlng, radius) {
radius = typeof radius == 'number' ? radius : Infinity;
var results = [];
var ll = null;
var distance = 0;
for (var i = 0, n = layers.length; i < n; i++) {
var layer = layers[i];
if (typeof layer.getLatLng == 'function') {
ll = layer.getLatLng();
distance = L.GeometryUtil.distance(map, latlng, ll);
}
else {
ll = L.GeometryUtil.closest(map, layer, latlng);
if (ll) distance = ll.distance; // Can return null if layer has no points.
}
if (ll && distance < radius) {
results.push({layer: layer, latlng: ll, distance: distance});
}
}
var sortedResults = results.sort(function(a, b) {
return a.distance - b.distance;
});
return sortedResults;
},
/**
Returns the closest position from specified {LatLng} among specified layers,
with a maximum tolerance in pixels, providing snapping behaviour.
@tutorial closest
@param {L.Map} map Leaflet map to be used for this method
@param {Array<ILayer>} layers - A list of layers to snap on.
@param {L.LatLng} latlng - The position to snap
@param {?Number} [tolerance=Infinity] - Maximum number of pixels.
@param {?boolean} [withVertices=true] - Snap to layers vertices or segment points (not only vertex)
@returns {object} with snapped {LatLng} and snapped {Layer} or null if tolerance exceeded.
*/
closestLayerSnap: function (map, layers, latlng, tolerance, withVertices) {
tolerance = typeof tolerance == 'number' ? tolerance : Infinity;
withVertices = typeof withVertices == 'boolean' ? withVertices : true;
var result = L.GeometryUtil.closestLayer(map, layers, latlng);
if (!result || result.distance > tolerance)
return null;
// If snapped layer is linear, try to snap on vertices (extremities and middle points)
if (withVertices && typeof result.layer.getLatLngs == 'function') {
var closest = L.GeometryUtil.closest(map, result.layer, result.latlng, true);
if (closest.distance < tolerance) {
result.latlng = closest;
result.distance = L.GeometryUtil.distance(map, closest, latlng);
}
}
return result;
},
/**
Returns the Point located on a segment at the specified ratio of the segment length.
@param {L.Point} pA coordinates of point A
@param {L.Point} pB coordinates of point B
@param {Number} the length ratio, expressed as a decimal between 0 and 1, inclusive.
@returns {L.Point} the interpolated point.
*/
interpolateOnPointSegment: function (pA, pB, ratio) {
return L.point(
(pA.x * (1 - ratio)) + (ratio * pB.x),
(pA.y * (1 - ratio)) + (ratio * pB.y)
);
},
/**
Returns the coordinate of the point located on a line at the specified ratio of the line length.
@param {L.Map} map Leaflet map to be used for this method
@param {Array<L.LatLng>|L.PolyLine} latlngs Set of geographical points
@param {Number} ratio the length ratio, expressed as a decimal between 0 and 1, inclusive
@returns {Object} an object with latLng ({LatLng}) and predecessor ({Number}), the index of the preceding vertex in the Polyline
(-1 if the interpolated point is the first vertex)
*/
interpolateOnLine: function (map, latLngs, ratio) {
latLngs = (latLngs instanceof L.Polyline) ? latLngs.getLatLngs() : latLngs;
var n = latLngs.length;
if (n < 2) {
return null;
}
// ensure the ratio is between 0 and 1;
ratio = Math.max(Math.min(ratio, 1), 0);
if (ratio === 0) {
return {
latLng: latLngs[0] instanceof L.LatLng ? latLngs[0] : L.latLng(latLngs[0]),
predecessor: -1
};
}
if (ratio == 1) {
return {
latLng: latLngs[latLngs.length -1] instanceof L.LatLng ? latLngs[latLngs.length -1] : L.latLng(latLngs[latLngs.length -1]),
predecessor: latLngs.length - 2
};
}
// project the LatLngs as Points,
// and compute total planar length of the line at max precision
var maxzoom = map.getMaxZoom();
if (maxzoom === Infinity)
maxzoom = map.getZoom();
var pts = [];
var lineLength = 0;
for(var i = 0; i < n; i++) {
pts[i] = map.project(latLngs[i], maxzoom);
if(i > 0)
lineLength += pts[i-1].distanceTo(pts[i]);
}
var ratioDist = lineLength * ratio;
// follow the line segments [ab], adding lengths,
// until we find the segment where the points should lie on
var cumulativeDistanceToA = 0, cumulativeDistanceToB = 0;
for (var i = 0; cumulativeDistanceToB < ratioDist; i++) {
var pointA = pts[i], pointB = pts[i+1];
cumulativeDistanceToA = cumulativeDistanceToB;
cumulativeDistanceToB += pointA.distanceTo(pointB);
}
if (pointA == undefined && pointB == undefined) { // Happens when line has no length
var pointA = pts[0], pointB = pts[1], i = 1;
}
// compute the ratio relative to the segment [ab]
var segmentRatio = ((cumulativeDistanceToB - cumulativeDistanceToA) !== 0) ? ((ratioDist - cumulativeDistanceToA) / (cumulativeDistanceToB - cumulativeDistanceToA)) : 0;
var interpolatedPoint = L.GeometryUtil.interpolateOnPointSegment(pointA, pointB, segmentRatio);
return {
latLng: map.unproject(interpolatedPoint, maxzoom),
predecessor: i-1
};
},
/**
Returns a float between 0 and 1 representing the location of the
closest point on polyline to the given latlng, as a fraction of total line length.
(opposite of L.GeometryUtil.interpolateOnLine())
@param {L.Map} map Leaflet map to be used for this method
@param {L.PolyLine} polyline Polyline on which the latlng will be search
@param {L.LatLng} latlng The position to search
@returns {Number} Float between 0 and 1
*/
locateOnLine: function (map, polyline, latlng) {
var latlngs = polyline.getLatLngs();
if (latlng.equals(latlngs[0]))
return 0.0;
if (latlng.equals(latlngs[latlngs.length-1]))
return 1.0;
var point = L.GeometryUtil.closest(map, polyline, latlng, false),
lengths = L.GeometryUtil.accumulatedLengths(latlngs),
total_length = lengths[lengths.length-1],
portion = 0,
found = false;
for (var i=0, n = latlngs.length-1; i < n; i++) {
var l1 = latlngs[i],
l2 = latlngs[i+1];
portion = lengths[i];
if (L.GeometryUtil.belongsSegment(point, l1, l2, 0.001)) {
portion += l1.distanceTo(point);
found = true;
break;
}
}
if (!found) {
throw "Could not interpolate " + latlng.toString() + " within " + polyline.toString();
}
return portion / total_length;
},
/**
Returns a clone with reversed coordinates.
@param {L.PolyLine} polyline polyline to reverse
@returns {L.PolyLine} polyline reversed
*/
reverse: function (polyline) {
return L.polyline(polyline.getLatLngs().slice(0).reverse());
},
/**
Returns a sub-part of the polyline, from start to end.
If start is superior to end, returns extraction from inverted line.
@param {L.Map} map Leaflet map to be used for this method
@param {L.PolyLine} polyline Polyline on which will be extracted the sub-part
@param {Number} start ratio, expressed as a decimal between 0 and 1, inclusive
@param {Number} end ratio, expressed as a decimal between 0 and 1, inclusive
@returns {Array<L.LatLng>} new polyline
*/
extract: function (map, polyline, start, end) {
if (start > end) {
return L.GeometryUtil.extract(map, L.GeometryUtil.reverse(polyline), 1.0-start, 1.0-end);
}
// Bound start and end to [0-1]
start = Math.max(Math.min(start, 1), 0);
end = Math.max(Math.min(end, 1), 0);
var latlngs = polyline.getLatLngs(),
startpoint = L.GeometryUtil.interpolateOnLine(map, polyline, start),
endpoint = L.GeometryUtil.interpolateOnLine(map, polyline, end);
// Return single point if start == end
if (start == end) {
var point = L.GeometryUtil.interpolateOnLine(map, polyline, end);
return [point.latLng];
}
// Array.slice() works indexes at 0
if (startpoint.predecessor == -1)
startpoint.predecessor = 0;
if (endpoint.predecessor == -1)
endpoint.predecessor = 0;
var result = latlngs.slice(startpoint.predecessor+1, endpoint.predecessor+1);
result.unshift(startpoint.latLng);
result.push(endpoint.latLng);
return result;
},
/**
Returns true if first polyline ends where other second starts.
@param {L.PolyLine} polyline First polyline
@param {L.PolyLine} other Second polyline
@returns {bool}
*/
isBefore: function (polyline, other) {
if (!other) return false;
var lla = polyline.getLatLngs(),
llb = other.getLatLngs();
return (lla[lla.length-1]).equals(llb[0]);
},
/**
Returns true if first polyline starts where second ends.
@param {L.PolyLine} polyline First polyline
@param {L.PolyLine} other Second polyline
@returns {bool}
*/
isAfter: function (polyline, other) {
if (!other) return false;
var lla = polyline.getLatLngs(),
llb = other.getLatLngs();
return (lla[0]).equals(llb[llb.length-1]);
},
/**
Returns true if first polyline starts where second ends or start.
@param {L.PolyLine} polyline First polyline
@param {L.PolyLine} other Second polyline
@returns {bool}
*/
startsAtExtremity: function (polyline, other) {
if (!other) return false;
var lla = polyline.getLatLngs(),
llb = other.getLatLngs(),
start = lla[0];
return start.equals(llb[0]) || start.equals(llb[llb.length-1]);
},
/**
Returns horizontal angle in degres between two points.
@param {L.Point} a Coordinates of point A
@param {L.Point} b Coordinates of point B
@returns {Number} horizontal angle
*/
computeAngle: function(a, b) {
return (Math.atan2(b.y - a.y, b.x - a.x) * 180 / Math.PI);
},
/**
Returns slope (Ax+B) between two points.
@param {L.Point} a Coordinates of point A
@param {L.Point} b Coordinates of point B
@returns {Object} with ``a`` and ``b`` properties.
*/
computeSlope: function(a, b) {
var s = (b.y - a.y) / (b.x - a.x),
o = a.y - (s * a.x);
return {'a': s, 'b': o};
},
/**
Returns LatLng of rotated point around specified LatLng center.
@param {L.LatLng} latlngPoint: point to rotate
@param {double} angleDeg: angle to rotate in degrees
@param {L.LatLng} latlngCenter: center of rotation
@returns {L.LatLng} rotated point
*/
rotatePoint: function(map, latlngPoint, angleDeg, latlngCenter) {
var maxzoom = map.getMaxZoom();
if (maxzoom === Infinity)
maxzoom = map.getZoom();
var angleRad = angleDeg*Math.PI/180,
pPoint = map.project(latlngPoint, maxzoom),
pCenter = map.project(latlngCenter, maxzoom),
x2 = Math.cos(angleRad)*(pPoint.x-pCenter.x) - Math.sin(angleRad)*(pPoint.y-pCenter.y) + pCenter.x,
y2 = Math.sin(angleRad)*(pPoint.x-pCenter.x) + Math.cos(angleRad)*(pPoint.y-pCenter.y) + pCenter.y;
return map.unproject(new L.Point(x2,y2), maxzoom);
},
/**
Returns the bearing in degrees clockwise from north (0 degrees)
from the first L.LatLng to the second, at the first LatLng
@param {L.LatLng} latlng1: origin point of the bearing
@param {L.LatLng} latlng2: destination point of the bearing
@returns {float} degrees clockwise from north.
*/
bearing: function(latlng1, latlng2) {
var rad = Math.PI / 180,
lat1 = latlng1.lat * rad,
lat2 = latlng2.lat * rad,
lon1 = latlng1.lng * rad,
lon2 = latlng2.lng * rad,
y = Math.sin(lon2 - lon1) * Math.cos(lat2),
x = Math.cos(lat1) * Math.sin(lat2) -
Math.sin(lat1) * Math.cos(lat2) * Math.cos(lon2 - lon1);
var bearing = ((Math.atan2(y, x) * 180 / Math.PI) + 360) % 360;
return bearing >= 180 ? bearing-360 : bearing;
},
/**
Returns the point that is a distance and heading away from
the given origin point.
@param {L.LatLng} latlng: origin point
@param {float} heading: heading in degrees, clockwise from 0 degrees north.
@param {float} distance: distance in meters
@returns {L.latLng} the destination point.
Many thanks to Chris Veness at http://www.movable-type.co.uk/scripts/latlong.html
for a great reference and examples.
*/
destination: function(latlng, heading, distance) {
heading = (heading + 360) % 360;
var rad = Math.PI / 180,
radInv = 180 / Math.PI,
R = 6378137, // approximation of Earth's radius
lon1 = latlng.lng * rad,
lat1 = latlng.lat * rad,
rheading = heading * rad,
sinLat1 = Math.sin(lat1),
cosLat1 = Math.cos(lat1),
cosDistR = Math.cos(distance / R),
sinDistR = Math.sin(distance / R),
lat2 = Math.asin(sinLat1 * cosDistR + cosLat1 *
sinDistR * Math.cos(rheading)),
lon2 = lon1 + Math.atan2(Math.sin(rheading) * sinDistR *
cosLat1, cosDistR - sinLat1 * Math.sin(lat2));
lon2 = lon2 * radInv;
lon2 = lon2 > 180 ? lon2 - 360 : lon2 < -180 ? lon2 + 360 : lon2;
return L.latLng([lat2 * radInv, lon2]);
},
/**
Returns the the angle of the given segment and the Equator in degrees,
clockwise from 0 degrees north.
@param {L.Map} map: Leaflet map to be used for this method
@param {L.LatLng} latlngA: geographical point A of the segment
@param {L.LatLng} latlngB: geographical point B of the segment
@returns {Float} the angle in degrees.
*/
angle: function(map, latlngA, latlngB) {
var pointA = map.latLngToContainerPoint(latlngA),
pointB = map.latLngToContainerPoint(latlngB),
angleDeg = Math.atan2(pointB.y - pointA.y, pointB.x - pointA.x) * 180 / Math.PI + 90;
angleDeg += angleDeg < 0 ? 360 : 0;
return angleDeg;
},
/**
Returns a point snaps on the segment and heading away from the given origin point a distance.
@param {L.Map} map: Leaflet map to be used for this method
@param {L.LatLng} latlngA: geographical point A of the segment
@param {L.LatLng} latlngB: geographical point B of the segment
@param {float} distance: distance in meters
@returns {L.latLng} the destination point.
*/
destinationOnSegment: function(map, latlngA, latlngB, distance) {
var angleDeg = L.GeometryUtil.angle(map, latlngA, latlngB),
latlng = L.GeometryUtil.destination(latlngA, angleDeg, distance);
return L.GeometryUtil.closestOnSegment(map, latlng, latlngA, latlngB);
},
});
return L.GeometryUtil;
}));

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@ -0,0 +1,41 @@
importScripts('libmp3lame.min.js');
var mp3codec;
this.addEventListener('message', function(e) {
switch (e.data.cmd) {
case 'init':
if (!e.data.config) {
e.data.config = { };
}
mp3codec = Lame.init();
Lame.set_mode(mp3codec, e.data.config.mode || Lame.JOINT_STEREO);
Lame.set_num_channels(mp3codec, e.data.config.channels || 2);
Lame.set_num_samples(mp3codec, e.data.config.samples || -1);
Lame.set_in_samplerate(mp3codec, e.data.config.samplerate || 44100);
Lame.set_out_samplerate(mp3codec, e.data.config.samplerate || 44100);
Lame.set_bitrate(mp3codec, e.data.config.bitrate || 128);
Lame.init_params(mp3codec);
// console.log('Version :', Lame.get_version() + ' / ',
// 'Mode: '+Lame.get_mode(mp3codec) + ' / ',
// 'Samples: '+Lame.get_num_samples(mp3codec) + ' / ',
// 'Channels: '+Lame.get_num_channels(mp3codec) + ' / ',
// 'Input Samplate: '+ Lame.get_in_samplerate(mp3codec) + ' / ',
// 'Output Samplate: '+ Lame.get_in_samplerate(mp3codec) + ' / ',
// 'Bitlate :' +Lame.get_bitrate(mp3codec) + ' / ');
// 'VBR :' + Lame.get_VBR(mp3codec));
break;
case 'encode':
var mp3data = Lame.encode_buffer_ieee_float(mp3codec, e.data.buf, e.data.buf);
self.postMessage({cmd: 'data', buffer: mp3data.data});
break;
case 'finish':
var mp3data = Lame.encode_flush(mp3codec);
self.postMessage({cmd: 'end', buffer: mp3data.data});
Lame.close(mp3codec);
mp3codec = null;
break;
}
});

@ -0,0 +1,157 @@
(function(window){
var RECORDER_WORKER_PATH = '/static/js/recorderWorker.js';
var ENCODER_WORKER_PATH = '/static/js/mp3Worker.js';
var MP3Recorder = function(context, stream, cfg) {
var config = cfg || { statusContainer: null, statusMethod: 'append' }
var bufferLen = 4096;
var recording = false;
this.source = context.createMediaStreamSource(stream);
this.node = (context.createScriptProcessor || context.createJavaScriptNode).call(context, bufferLen, 1, 1);
var recorderWorker = new Worker(RECORDER_WORKER_PATH);
var encoderWorker = new Worker(ENCODER_WORKER_PATH);
var exportCallback;
// initialize the Recorder Worker
recorderWorker.postMessage({ cmd: 'init', sampleRate: context.sampleRate });
// the recording loop
this.node.onaudioprocess = function(e) {
if(!recording) return;
recorderWorker.postMessage({ cmd: 'record', buffer: e.inputBuffer.getChannelData(0) });
}
this.start = function() {
recording = true;
this.logStatus('recording...');
}
this.stop = function() {
recording = false;
this.logStatus('stopping...');
}
this.destroy = function() { recorderWorker.postMessage({ cmd: 'destroy' }); }
this.logStatus = function(status) {
if(config.statusContainer) {
if(config.statusMethod == 'append') {
config.statusContainer.text(config.statusContainer.text + "\n" + status);
} else {
config.statusContainer.text(status);
}
}
}
this.exportBlob = function(cb) {
exportCallback = cb;
if (!exportCallback) throw new Error('Callback not set');
recorderWorker.postMessage({ cmd: 'exportBlob' });
}
this.exportWAV = function(cb) {
// export the blob from the worker
this.exportBlob(function(blob) {
var fileReader = new FileReader();
// read the blob as array buffer and convert it
// to a base64 encoded WAV buffer
fileReader.addEventListener("loadend", function() {
var resultBuffer = new Uint8Array(this.result);
cb(encode64(resultBuffer));
});
fileReader.readAsArrayBuffer(blob);
});
}
this.exportMP3 = function(cb) {
this.logStatus('converting...');
// export the blob from the worker
this.exportBlob(function(blob) {
var fileReader = new FileReader();
fileReader.addEventListener("loadend", function() {
var wavBuffer = new Uint8Array(this.result);
var wavData = parseWav(wavBuffer);
encoderWorker.addEventListener('message', function(e) {
if (e.data.cmd == 'data') {
cb(encode64(e.data.buffer));
}
});
encoderWorker.postMessage({ cmd: 'init', config: { mode: 3, channels: 1, samplerate: wavData.sampleRate, bitrate: wavData.bitsPerSample } });
encoderWorker.postMessage({ cmd: 'encode', buf: Uint8ArrayToFloat32Array(wavData.samples) });
encoderWorker.postMessage({ cmd: 'finish' });
});
fileReader.readAsArrayBuffer(blob);
});
}
// event listener for return values of the recorderWorker
recorderWorker.addEventListener('message', function(e) {
switch(e.data.from) {
case 'exportBlob':
exportCallback(e.data.blob);
break;
};
});
// HELPER FUNCTIONS
function encode64(buffer) {
var binary = '';
var bytes = new Uint8Array(buffer);
var len = bytes.byteLength;
for(var i = 0; i < len; i++) {
binary += String.fromCharCode(bytes[i]);
}
return window.btoa(binary);
}
function parseWav(wav) {
function readInt(i, bytes) {
var ret = 0, shft = 0;
while(bytes) {
ret += wav[i] << shft; shft += 8;
i++; bytes--;
}
return ret;
}
if(readInt(20, 2) != 1) throw 'Invalid compression code, not PCM';
if(readInt(22, 2) != 1) throw 'Invalid number of channels, not 1';
return { sampleRate: readInt(24, 4), bitsPerSample: readInt(34, 2), samples: wav.subarray(44) };
}
function Uint8ArrayToFloat32Array(u8a){
var f32Buffer = new Float32Array(u8a.length);
for (var i = 0; i < u8a.length; i++) {
var value = u8a[i<<1] + (u8a[(i<<1)+1]<<8);
if (value >= 0x8000) value |= ~0x7FFF;
f32Buffer[i] = value / 0x8000;
}
return f32Buffer;
}
this.source.connect(this.node);
this.node.connect(context.destination); // this should not be necessary
}
window.MP3Recorder = MP3Recorder;
})(window);

@ -0,0 +1,130 @@
var recordingLength = 0,
recordingBuffer = [],
bits = 16,
sampleRate = 0;
this.addEventListener('message', function(e) {
switch (e.data.cmd) {
case 'init':
init(e.data.sampleRate);
break;
case 'start':
start();
break;
case 'stop':
stop();
break;
case 'destroy':
destroy();
break;
case 'record':
record(e.data.buffer);
break;
case 'exportBlob':
exportBlob();
break;
}
});
function init(sr) {
sampleRate = sr;
}
function start() {
}
function stop() {
}
function destroy() {
recordingLength = 0;
recordingBuffer = [];
sampleRate = 0;
}
function record(buffer) {
recordingBuffer.push(buffer);
recordingLength += buffer.length;
}
function exportBlob() {
var audioBlob = new Blob([encodeWAV(mergeBuffer(recordingBuffer, recordingLength))]);
this.postMessage({ from: 'exportBlob', blob: audioBlob });
}
// HELPER FUNCTIONS
function mergeBuffer(buf, len){
var result = new Float32Array(len);
var offset = 0;
for (var i = 0; i < buf.length; i++){
result.set(buf[i], offset);
offset += buf[i].length;
}
return result;
}
function encodeWAV(samples){
var buffer = new ArrayBuffer(44 + samples.length * 2);
var view = new DataView(buffer);
/* RIFF identifier */
writeString(view, 0, 'RIFF');
/* file length */
view.setUint32(4, 32 + samples.length * 2, true);
/* RIFF type */
writeString(view, 8, 'WAVE');
/* format chunk identifier */
writeString(view, 12, 'fmt ');
/* format chunk length */
view.setUint32(16, 16, true);
/* sample format (raw) */
view.setUint16(20, 1, true);
/* channel count */
//view.setUint16(22, 2, true); /*STEREO*/
view.setUint16(22, 1, true); /*MONO*/
/* sample rate */
view.setUint32(24, sampleRate, true);
/* byte rate (sample rate * block align) */
//view.setUint32(28, sampleRate * 4, true); /*STEREO*/
view.setUint32(28, sampleRate * 2, true); /*MONO*/
/* block align (channel count * bytes per sample) */
//view.setUint16(32, 4, true); /*STEREO*/
view.setUint16(32, 2, true); /*MONO*/
/* bits per sample */
view.setUint16(34, 16, true);
/* data chunk identifier */
writeString(view, 36, 'data');
/* data chunk length */
view.setUint32(40, samples.length * 2, true);
floatTo16BitPCM(view, 44, samples);
return view;
}
function floatTo16BitPCM(output, offset, input){
for (var i = 0; i < input.length; i++, offset+=2){
var s = Math.max(-1, Math.min(1, input[i]));
output.setInt16(offset, s < 0 ? s * 0x8000 : s * 0x7FFF, true);
}
}
function writeString(view, offset, string){
for (var i = 0; i < string.length; i++){
view.setUint8(offset + i, string.charCodeAt(i));
}
}

@ -22,7 +22,14 @@
<input type="hidden" name="latitude" value="{{ latitude }}" />
<div id="audio">
<div class="recorder">
Recorder
<input type="button" class="start" value="Record" />
<input type="button" class="stop" value="Stop" />
<pre class="status"></pre>
</div>
<!-- <div id="audio">
<div class="record_controls">
<a class="record_btn audio_btn" id="record_btn" onclick="record_audio()" href="#"><span class="icon"></span>record</a>
<a class="stop_btn audio_btn" id="stop_btn" onclick="stop_audio()" href="#"><span class="icon"></span>stop</a>
@ -31,7 +38,7 @@
</div>
<div id="audio-player-container"></div>
</div>
</div> -->
<input hidden="true" type="file" name="file" id="uploadedFile" accept="audio/*"><br>
@ -56,72 +63,88 @@ var seconds_rec = 0;
var seconds_int;
var audio;
var state = "empty";
var audio_context;
try {
// webkit shim
window.AudioContext = window.AudioContext || window.webkitAudioContext;
navigator.getUserMedia = ( navigator.getUserMedia ||
navigator.webkitGetUserMedia ||
navigator.mozGetUserMedia ||
navigator.msGetUserMedia);
window.URL = window.URL || window.webkitURL;
var audio_context = new AudioContext;
console.log('Audio context set up.');
console.log('navigator.getUserMedia ' + (navigator.getUserMedia ? 'available.' : 'not present!'));
} catch (e) {
alert('No web audio support in this browser!');
}
function record_audio(){
if(state == "empty"){
navigator.mediaDevices.getUserMedia({ audio: true })
.then(stream => {
mediaRecorder = new MediaRecorder(stream);
mediaRecorder.start();
state = "recording";
document.getElementById('stop_btn').style.display = 'block'
seconds_int = setInterval(
function () {
document.getElementById("record_btn").innerHTML = seconds_rec + " s";
seconds_rec += 1;
}, 1000);
const audioChunks = [];
mediaRecorder.addEventListener("dataavailable", event => {
audioChunks.push(event.data);
});
mediaRecorder.addEventListener("stop", () => {
const audioBlob = new Blob(audioChunks, {type: 'audio/mpeg'});
const audioUrl = URL.createObjectURL(audioBlob);
var sound = document.createElement('audio');
sound.id = 'audio-player';
sound.controls = 'controls';
sound.src = audioUrl;
console.log(audioUrl)
sound.type = 'audio/mpeg';
// document.getElementById("audio-player-container").innerHTML = sound.outerHTML;
audio = new Audio(audioUrl);
audio.addEventListener("ended", function(){
audio.currentTime = 0;
document.getElementById("play_btn").innerHTML = '<span class="icon_p"></span>play'
});
audio.addEventListener("timeupdate", function() {
var currentTime = audio.currentTime;
var duration = audio.duration;
$('.progress_bar').stop(true,true).animate({'width':(currentTime +.25)/duration*100+'%'},0,'linear');
});
document.getElementById('play_btn').style.display = 'block'
document.getElementById('redo_btn').style.display = 'block'
document.getElementById('stop_btn').style.display = 'none'
document.getElementById("record_btn").innerHTML = "recording…";
document.getElementById('record_btn').style.display = 'none'
//audio.play();
let file = new File([audioBlob], "audio.mp3",{type:"audio/mpeg"});
let container = new DataTransfer();
container.items.add(file);
document.getElementById("uploadedFile").files = container.files;
});
setTimeout(() => {
stop_audio()
}, 1000 * 60);
});
}
// if(state == "empty"){
// navigator.mediaDevices.getUserMedia({ audio: true })
// .then(stream => {
// mediaRecorder = new MediaRecorder(stream);
// mediaRecorder.start();
// state = "recording";
// document.getElementById('stop_btn').style.display = 'block'
// seconds_int = setInterval(
// function () {
// document.getElementById("record_btn").innerHTML = seconds_rec + " s";
// seconds_rec += 1;
// }, 1000);
// const audioChunks = [];
// mediaRecorder.addEventListener("dataavailable", event => {
// audioChunks.push(event.data);
// });
// mediaRecorder.addEventListener("stop", () => {
// // console.log("stopping");
// // const audioBlob = new Blob(audioChunks, {type: 'audio/ogg; codecs=opus'});
// // const audioUrl = URL.createObjectURL(audioBlob);
// // var sound = document.createElement('audio');
// // sound.id = 'audio-player';
// // sound.controls = 'controls';
// // sound.src = audioUrl;
// // console.log(audioUrl)
// // sound.type = 'audio/ogg; codecs=opus';
// // document.getElementById("audio-player-container").innerHTML = sound.outerHTML;
// //audio.play();
// let file = new File(audioChunks, "audio.ogg",{type:"audio/ogg; codecs=opus"});
// let container = new DataTransfer();
// container.items.add(file);
// document.getElementById("uploadedFile").files = container.files;
// audio = new Audio(audioUrl);
// audio.addEventListener("ended", function(){
// audio.currentTime = 0;
// document.getElementById("play_btn").innerHTML = '<span class="icon_p"></span>play'
// });
// audio.addEventListener("timeupdate", function() {
// var currentTime = audio.currentTime;
// var duration = audio.duration;
// $('.progress_bar').stop(true,true).animate({'width':(currentTime +.25)/duration*100+'%'},0,'linear');
// });
// document.getElementById('play_btn').style.display = 'block'
// document.getElementById('redo_btn').style.display = 'block'
// document.getElementById('stop_btn').style.display = 'none'
// document.getElementById("record_btn").innerHTML = "recording…";
// document.getElementById('record_btn').style.display = 'none'
// });
// setTimeout(() => {
// stop_audio()
// }, 1000 * 60);
// });
// }
}
function stop_audio(){
@ -151,6 +174,70 @@ function play_audio(){
}
}
$('.recorder .start').on('click', function() {
$this = $(this);
$recorder = $this.parent();
navigator.getUserMedia({audio: true}, function(stream) {
var recorderObject = new MP3Recorder(audio_context, stream, { statusContainer: $recorder.find('.status'), statusMethod: 'replace' });
$recorder.data('recorderObject', recorderObject);
recorderObject.start();
}, function(e) { });
});
$('.recorder .stop').on('click', function() {
$this = $(this);
$recorder = $this.parent();
recorderObject = $recorder.data('recorderObject');
recorderObject.stop();
recorderObject.exportMP3(function(base64_mp3_data) {
var url = 'data:audio/mp3;base64,' + base64_mp3_data;
var au = document.createElement('audio');
au.controls = true;
au.src = url;
$recorder.append(au);
recorderObject.logStatus('');
var blob = dataURItoBlob(url);
let file = new File([blob], "audio.mp3",{type:"audio/mpeg"});
let container = new DataTransfer();
container.items.add(file);
document.getElementById("uploadedFile").files = container.files;
});
});
function dataURItoBlob(dataURI) {
// convert base64/URLEncoded data component to raw binary data held in a string
var byteString;
if (dataURI.split(',')[0].indexOf('base64') >= 0)
byteString = atob(dataURI.split(',')[1]);
else
byteString = unescape(dataURI.split(',')[1]);
// separate out the mime component
var mimeString = dataURI.split(',')[0].split(':')[1].split(';')[0];
// write the bytes of the string to a typed array
var ia = new Uint8Array(byteString.length);
for (var i = 0; i < byteString.length; i++) {
ia[i] = byteString.charCodeAt(i);
}
return new Blob([ia], {type:mimeString});
}
</script>
{% endblock js%}

@ -5,12 +5,20 @@
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.2/dist/leaflet.css"
<link rel="stylesheet" href="/static/js/leaflet.css"
integrity="sha256-sA+zWATbFveLLNqWO2gtiw3HL/lh1giY/Inf1BJ0z14="
crossorigin=""/>
<script src="https://unpkg.com/leaflet@1.9.2/dist/leaflet.js"
<script src="/static/js/leaflet.js"
integrity="sha256-o9N1jGDZrf5tS+Ft4gbIK7mYMipq9lqpVJ91xHSyKhg="
crossorigin=""></script>
<script src="/static/js/leaflet-knn.min.js"></script>
<script src="/static/js/leaflet.geometryutil.js"></script>
<script type="text/javascript" src="/static/js/jquery.min.js"></script>
<script type="text/javascript" src="/static/js/mp3recorder.js"></script>
<!-- <script type="text/javascript" src="/static/js/mp3Worker.js"></script> -->
<script type="text/javascript" src="/static/js/recorderWorker.js"></script>
<!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
<title>GEO</title>

@ -12,6 +12,27 @@
<!-- HEADING DIRECTION https://stackoverflow.com/questions/46033649/heading-javascript-geolocation -->
<!-- COMPASS CROSS DEVICE https://stackoverflow.com/questions/16048514/can-i-use-javascript-to-get-the-compass-heading-for-ios-and-android-->
<select id="viewSelector" onchange="changeViewSelect()" >
<option>---Choose view---</option>
<option value="all">all nodes</option>
<option value="closest">closest</option>
</select>
<div class="locations_popup">
{% for location in locations %}
<div class="row" id={{location.id}}>
<div>{{location.longitude}}, {{location.latitude}}</div>
<div>{{location.message if location.loc_type == "message"}}</div>
<div>
{% if location.loc_type == "audio" %}
<audio id="audio-player" controls="" src="uploads/{{location.audio}}"></audio>
{% endif %}
</div>
</div>
{% endfor %}
</div>
{% endblock main %}
{% block js %}
@ -19,18 +40,25 @@
var locations;
var zoom_level = 18;
var markerArray = [];
var circleArray = [];
var view="closest";
function assign_data(data) {
console.log(data);
locations = data;
}
assign_data({{ data_locations|tojson }});
var map = L.map('map', {zoomControl:false,
var map = L.map('map', {
attributionControl:false,
scrollWheelZoom: false,
zoom: 2000
}).setView([48.505, 1.09], 16);
zoomControl:false,
zoom: 2000,
zoomSnap: 0.1,
animate: true,
// dragging: false,
//scrollWheelZoom: false,
}).setView([48.505, 1.09], zoom_level);
// L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
@ -48,8 +76,10 @@
stroke:false,
fillColor: 'blue',
fillOpacity: 1,
radius: 15
}).addTo(map).on("click", circleClick);;
radius: 10
}).addTo(map).on("click", e => circleClick(e));
circle.id = item.id;
circleArray.push(circle);
}
else if(item.loc_type=="audio"){
var circle = L.circle([item.latitude, item.longitude], {
@ -57,8 +87,10 @@
stroke:false,
fillColor: 'green',
fillOpacity: 0.5,
radius: 15
}).addTo(map).on("click", circleClick);;
radius: 10
}).addTo(map).on("click", e => circleClick(e));
circle.id = item.id;
circleArray.push(circle);
}
else{
var circle = L.circle([item.latitude, item.longitude], {
@ -66,14 +98,15 @@
stroke:false,
fillColor: 'black',
fillOpacity: 0.5,
radius: 30
}).addTo(map).on("click", circleClick);;
radius: 10
}).addTo(map).on("click", e => circleClick(e));
circle.id = item.id;
circleArray.push(circle);
}
markerArray.push(L.marker([item.latitude, item.longitude]));
} catch (error) {
console.error(error);
}
});
var myPositionCircle = L.circle([48.172934, 9.01236], {
@ -81,10 +114,9 @@
stroke:false,
fillColor: 'red',
fillOpacity: 0.5,
radius: 30
radius: 10
}).addTo(map);
circleArray.push(myPositionCircle);
var x = document.getElementById("position");
@ -92,7 +124,6 @@
let target;
let options;
//first: latitude, second: longitude
target = {
latitude : 48.172934,
@ -109,8 +140,7 @@
my_location.longitude = crd.longitude;
my_location.latitude = crd.latitude;
map.setView([my_location.latitude, my_location.longitude], 16);
myPositionCircle.setLatLng([my_location.latitude, my_location.longitude])
updateView()
console.log("updated")
@ -123,7 +153,6 @@
// console.log('Congratulations, you reached the target');
// navigator.geolocation.clearWatch(id);
// }
}
function error(err) {
@ -173,13 +202,9 @@
xhr.onreadystatechange=function(){
if (xhr.readyState==4 && xhr.status==200){
location.reload();
}
}
}
@ -191,6 +216,40 @@
window.location.href = "addaudio?longitude="+ my_location.longitude +"&latitude="+my_location.latitude;
}
function updateView(){
//update position on map
// map.setView([my_location.latitude, my_location.longitude], zoom_level);
myPositionCircle.setLatLng([my_location.latitude, my_location.longitude]);
if(view == "all"){
var group = new L.featureGroup(circleArray);
map.fitBounds(group.getBounds().pad(0.1));
}
else if(view = "closest"){
var closest = L.GeometryUtil.closestLayer(map, markerArray, myPositionCircle.getLatLng());
var group = new L.featureGroup([closest.layer, myPositionCircle]);
map.fitBounds(group.getBounds().pad(0.1));
}
}
function changeViewSelect() {
var mylist = document.getElementById("viewSelector");
view = mylist.options[mylist.selectedIndex].value;
updateView();
}
function circleClick(e){
var id = e.target.id
var divsToHide = document.getElementsByClassName("row"); //divsToHide is an array
for(var i = 0; i < divsToHide.length; i++){
divsToHide[i].style.display = "none"; // depending on what you're doing
}
document.getElementById(id).style.display = "block";
}
window.addEventListener('resize', function(event) {
updateView()
}, true);
</script>

@ -12,13 +12,18 @@
<div>{{location.message if location.loc_type == "message"}}</div>
<div>
{% if location.loc_type == "audio" %}
<audio id="audio-player" controls="" src="uploads/{{location.audio}}"></audio>
<audio id="audio-player" controls="" src="uploads/{{location.audio}}" type="audio/ogg"></audio>
{% endif %}
</div>
<div>
<a class="delete_btn" href="location/{{location.id}}/delete">delete</a>
</div>
</div>
<audio controls>
<source src="uploads/{{location.audio}}" type="audio/ogg">
Your browser does not support the audio tag.
</audio>
{% endfor %}
</div>
</div>

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