1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
<template>
<div id="geshem">
<div id="datetime">
<div id="date">{{ date }}</div>
<div id="time">{{ time }}</div>
</div>
<div id="slider">
<vue-slider ref="slider" v-model="slider" :min=0 :max=9 :height=20 :dot-size=45 :tooltip=false></vue-slider>
</div>
</div>
</template>
<script>
import axios from 'axios';
import vueSlider from 'vue-slider-component';
import mapboxgl from 'mapbox-gl';
import moment from 'moment-timezone';
export default {
name: 'geshem',
components: {
'vue-slider': vueSlider
},
data: function () {
return {
imgs: null,
res: 280,
slider: 9,
rasterCoords: {
140: [
[33.35317413, 33.27232471],
[36.32243686, 33.27232471],
[36.32243686, 30.72293428],
[33.35317413, 30.72293428]
],
280: [
[31.93095218, 34.5156862],
[37.86644267, 34.5156862],
[37.86644267, 29.42911589],
[31.93095218, 29.42911589]
]
},
mapLoaded: false,
map: new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/dark-v9',
container: 'map',
maxZoom: 10,
minZoom: 5,
zoom: 6.3,
center: [35, 31.9],
hash: false
})
}
},
computed: {
datetime: function () {
if (!this.imgs) { return '' };
var d = this.imgs[this.res][this.slider].substr(0, 13);
var md = moment.utc(d, 'YYYYMMDD/HHmm').tz('Asia/Jerusalem');
return md
},
date: function () {
if (!this.imgs) { return '' };
return this.datetime.format('YYYY-MM-DD');
},
time: function () {
if (!this.imgs) { return '' };
return this.datetime.format('HH:mm');
}
},
mounted: function () {
var vm = this;
axios.get('//imgs.geshem.space/imgs.json').then((res) => {
vm.imgs = res.data;
if (vm.mapLoaded) {
vm.loadSources();
}
})
},
created: function () {
this.initMap();
},
methods: {
initMap: function() {
var vm = this;
this.map.on('style.load', function () {
vm.mapLoaded = true;
if (vm.imgs) {
vm.loadSources();
}
});
this.map.on('zoom', function () {
var zoomIn = vm.map.getZoom() > 7;
var from = zoomIn ? '280' : '140';
var to = zoomIn ? '140' : '280';
if (to != vm.res) {
vm.hideRadarLayer(from, vm.slider);
vm.showRadarLayer(to, vm.slider);
vm.res = to;
}
});
},
loadSources: function () {
// sources are loaded either in mounted() or in after style load in initMap() depending on which happened last
var vm = this;
var i = 0;
while (i < vm.imgs['140'].length) {
vm.addRadarSource('140', i, vm.imgs['140'][i])
vm.addRadarLayer('140', i++)
}
var i = 0;
while (i < vm.imgs['280'].length) {
vm.addRadarSource('280', i, vm.imgs['280'][i])
vm.addRadarLayer('280', i++)
}
vm.showRadarLayer('280', 9)
},
addRadarSource: function(res, i, url) {
this.map.addSource(`radar-${res}-${i}`, {
type: 'image',
url: '//imgs.geshem.space/' + url,
coordinates: this.rasterCoords[res]
})
},
addRadarLayer: function(res, i) {
this.map.addLayer({
id: `radar-${res}-${i}`,
source: `radar-${res}-${i}`,
type: 'raster',
paint: {
'raster-opacity': 0,
'raster-opacity-transition': {
'duration': 0
}
}
})
},
showRadarLayer: function(res, i) {
this.map.setPaintProperty(`radar-${res}-${i}`, 'raster-opacity', 0.85);
},
hideRadarLayer: function(res, i) {
this.map.setPaintProperty(`radar-${res}-${i}`, 'raster-opacity', 0);
},
removeRadarLayer: function(res, i) {
this.map.removeLayer(`radar-${res}-${i}`)
}
},
watch: {
slider: function (to, from) {
this.hideRadarLayer(this.res, from);
this.showRadarLayer(this.res, to);
}
}
}
</script>
<style lang="scss">
#geshem {
#datetime {
position: absolute;
margin: 20px 0px 0px 20px;
color: white;
font-family: monospace;
#date {
font-size: 1.4em;
}
#time {
font-size: 1.8em;
}
}
#slider {
position: absolute;
bottom: 8vh;
width: 30vw;
margin-left: 35vw;
@media only screen and (max-device-width: 812px) {
width: 80vw;
margin-left: 8vw;
}
}
}
</style>
|
