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v3.html
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<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="https://cdn.jsdelivr.net/npm/d3@5"></script>
<script src="https://cdn.jsdelivr.net/npm/vega@5"></script>
<script src="https://cdn.jsdelivr.net/npm/vega-lite@4"></script>
<script src="https://cdn.jsdelivr.net/npm/vega-tooltip"></script>
<script src="https://cdn.jsdelivr.net/npm/topojson-client@3"></script>
<script src="https://cdn.jsdelivr.net/npm/vega-tooltip"></script>
</head>
<body>
<div id="vis"></div>
<label for="Quartier">Quartier</label><br />
<select name="list_quartiers" id="list_quartiers"></select>
<script>
const vlSpec = {
"$schema": "https://vega.github.io/schema/vega-lite/v4.json",
"padding": 5,
"data": {"url": "https://raw.githubusercontent.com/klopstock-dviz/immo_vis/master/dataset_vega.csv"},
"transform": [
{"filter": "datum.typedetransaction === 'Vente'"},
{"filter": "datum.surface <120 && datum.nb_pieces <= 8"},
{"calculate": "round(datum.prix_bien / datum.surface)", "as": "prix_m²" },
{"calculate": "month(datum.date_first_observation) + 1", "as": "mois" },
{"calculate": "quarter(datum.date_first_observation) ", "as": "quarter" },
{"bin": true, "field": "surface", "as": "surface_bin"},
{
"aggregate": [{"op": "count", "field": "surface", "as": "nb observations"},
{"op": "median", "field": "prix_m²", "as": "prix_m²_med"}],
"groupby": ["ville", "nomQuartier", "nb_pieces", "quarter", "mois", "surface_bin"]
}
],
"hconcat":[
{
"vconcat": [
{
"height": 20,
"width": 150,
"mark": {"type":"bar", "tooltip":true},
"title": "filtrer par surface",
"selection": {
"brush_surface": {"type": "interval", "encodings": ["x"]}
},
"transform": [
{"filter": {"selection": "brush"}},
{"filter": {"selection": "brush_0"}},
{"filter": {"selection": "clic_ville"}},
{"filter": {"selection": "clic_nb_pieces"}},
{"filter": {"selection": "clic_quartier"}},
{"filter": {"selection": "legend_quartiers"}}
],
"encoding": {
"x": {
"field": "surface_bin", "type": "quantitative", "axis":{"tickCount": 4}}
}
},
{ "transform": [{"filter": {"selection": "clic_ville"}},
{"filter": {"selection": "clic_nb_pieces"}},
{"filter": {"selection": "clic_quartier"}},
{"filter": {"selection": "brush_0"}},
{"filter": {"selection": "brush_surface"}},
{"filter": {"selection": "legend_quartiers"}}
],
"selection": {
"brush": {"type": "interval", "encodings": ["x"]}
},
"mark": {"type":"bar", "interpolate": "monotone"},
"width": 500,
"title": "Nb d'annonces sur les 12 derniers mois",
"encoding": {
"x": {"field": "mois",
"type": "quantitative",
"axis": {"title": "mois"}},
"y": {"aggregate": "sum", "field": "nb observations", "type": "quantitative"
}
}
},
{
"width": 500,
"mark": {"type": "circle", "tooltip":true},
"title": "Prix au M² selon le nb de pièces du logement et les quartiers",
"selection": {
"brush_0": {"type": "interval"},
"legend_quartiers": {
"type": "multi", "fields": ["nomQuartier"], "bind": "legend"}
},
"transform": [
{"filter": {"selection": "brush"}},
{"filter": {"selection": "clic_ville"}},
{"filter": {"selection": "clic_nb_pieces"}},
{"filter": {"selection": "clic_quartier"}},
{"filter": {"selection": "brush_surface"}}
],
"encoding": {
"x": {"field": "nb_pieces", "type": "ordinal"},
"y": {
"field": "prix_m²_med", "type": "quantitative"
, "scale":{"type":"log"}},
"color":{
"condition":{"selection": "brush_0",
"field": "nomQuartier",
"type":"nominal"},
"value": "#eeedef"
},
"opacity": {
"condition": {"selection": "legend_quartiers", "value": 1},
"value": 0
}
}
}
]
},
{
"vconcat": [
{
"height": 20,
"width": 150,
"mark": {"type":"bar", "tooltip":true},
"title": "Nb d'annonces observées",
"transform": [
{"filter": {"selection": "brush"}},
{"filter": {"selection": "brush_0"}},
{"filter": {"selection": "clic_ville"}},
{"filter": {"selection": "clic_nb_pieces"}},
{"filter": {"selection": "clic_quartier"}},
{"filter": {"selection": "brush_surface"}},
{"filter": {"selection": "legend_quartiers"}}
],
"encoding": {
"x": {
"aggregate": "sum", "field": "nb observations", "type": "quantitative", "axis":{"tickCount": 4}}
}
},
{
"height": 150,
"width": 250,
"selection": {
"clic_nb_pieces": {"fields": ["nb_pieces"], "on": "click", "type": "multi"}
},
"mark": {"type":"bar", "tooltip":true},
"title": "Nb d'annonces selon le nb de pièces du logement",
"transform": [
{"filter": {"selection": "brush"}},
{"filter": {"selection": "clic_ville"}},
{"filter": {"selection": "brush_0"}},
{"filter": {"selection": "clic_quartier"}},
{"filter": {"selection": "brush_surface"}},
{"filter": {"selection": "legend_quartiers"}}
],
"encoding": {
"x": {"field": "nb_pieces", "type": "ordinal"},
"y": {
"aggregate": "sum", "field": "nb observations", "type": "quantitative"},
"color":{
"condition":{"selection": "clic_nb_pieces",
"field": "nb_pieces",
"type":"nominal"},
"value": "#eeedef"
}
}
},
{
"height": 150,
"width": 250,
"selection": {
"clic_ville": {"fields": ["ville"], "on": "click", "type": "multi"}
},
"mark": {"type":"bar", "tooltip":true},
"title": "Nb d'annonces selon la ville",
"transform": [
{"filter": {"selection": "brush"}},
{"filter": {"selection": "brush_0"}},
{"filter": {"selection": "clic_nb_pieces"}},
{"filter": {"selection": "clic_quartier"}},
{"filter": {"selection": "brush_surface"}},
{"filter": {"selection": "legend_quartiers"}}
],
"encoding": {
"x": {
"aggregate": "sum", "field": "nb observations", "type": "quantitative"},
"y": {"field": "ville", "type": "ordinal"},
"color":{
"condition":{"selection": "clic_ville",
"field": "ville",
"type":"nominal"},
"value": "#eeedef"
}
}
},
{
"height": 150,
"width": 250,
"selection": {
"clic_quartier": {"fields": ["nomQuartier"], "on": "click", "type": "multi"}
},
"mark": {"type":"bar", "tooltip":true},
"title": "Nb d'annonces selon quartier",
"transform": [
{"filter": {"selection": "brush"}},
{"filter": {"selection": "brush_0"}},
{"filter": {"selection": "clic_nb_pieces"}},
{"filter": {"selection": "clic_ville"}},
{"filter": {"selection": "brush_surface"}},
{"filter": {"selection": "legend_quartiers"}}
],
"encoding": {
"x": {
"aggregate": "sum", "field": "nb observations", "type": "quantitative"},
"y": {"field": "nomQuartier", "type": "ordinal"},
"color":{
"condition":{"selection": "clic_quartier",
"field": "nomQuartier",
"type":"nominal",
"legend": false},
"value": "#eeedef",
"legend": false
}
}
}
],
"resolve": {"scale": {"color": "independent"}}
}
]
};
var vgSpec = vegaLite.compile(vlSpec).spec;
var tooltipOptions = {
theme: 'light'
};
var handler = new vegaTooltip.Handler(tooltipOptions);
var runtime = vega.parse(vgSpec);
var view = new vega.View(runtime)
.renderer('canvas') // set renderer (canvas or svg)
.tooltip(handler.call) // note that you have to use `handler.call`!
.initialize('#vis') // initialize view within parent DOM container
.hover() // enable hover encode set processing
.run() // run the dataflow and render the view
let promise = new Promise(function(resolve, reject) {
setTimeout(() => resolve(view.runAsync()), 200);
});
var v = []; var q=[]
var list_noms_villes = []; var nom_ville = "";var list_noms_quartiers = []; var nom_quartier = "";
//fonction pour créer la liste des quartiers
function setOptionList_quartiers(list_quartiers) {
list_noms_quartiers=[];
for (let i = 0; i < list_quartiers.length;) {
list_noms_quartiers.push(list_quartiers[i].nomQuartier);
i++;
};
//enlever doublons
let list_quartiers_sans_doublons = new Set(list_noms_quartiers)
list_noms_quartiers = Array.from(list_quartiers_sans_doublons)
var select = document.getElementById('list_quartiers');
select.length = 0;
var opt0 = (document.createElement('option')); opt0.innerHTML = "--"; select.appendChild(opt0);
for (item in list_noms_quartiers) {
var opt = document.createElement('option'), quartier = "";
quartier = list_noms_quartiers[item];
opt.value = quartier;
opt.innerHTML = quartier;
select.appendChild(opt);
}
}
//extraire liste quartiers
// let list_quartiers = promise.then(function setView() {
// v = view.data("data_7");
// for (let i = 0; i < v.length;) {
// list_noms_quartiers.push(v[i].nomQuartier);
// i++;
// }
// var select = document.getElementById('list_quartiers');
// for (item in list_noms_villes) {
// var opt = document.createElement('option'), ville = "";
// ville = list_noms_villes[item];
// opt.value = ville;
// opt.innerHTML = ville;
// select.appendChild(opt);
// }
// return v
// }
// );
var list_quartiers = "";
view.addDataListener('data_9', function(name, value) {
console.log(name, value)
list_quartiers = (name, value);
setOptionList_quartiers(list_quartiers)
});
var clic_quartier = "";
view.addDataListener('clic_quartier_store', function(name, value) {
console.log(name, value)
clic_quartier = (name, value);
//setOptionList_quartiers(list_quartiers)
});
//vegaEmbed("#vis", spec)
// result.view provides access to the Vega View API
//.then(result => console.log(result))
//.catch(console.warn);
</script>
<div id="view2"></div>
<script type="text/javascript">
var view2;
fetch('https://vega.github.io/vega/examples/bar-chart.vg.json')
.then(res => res.json())
.then(spec => render(spec))
.catch(err => console.error(err));
function render(spec) {
view2 = new vega.View(vega.parse(spec), {
renderer: 'canvas', // renderer (canvas or svg)
container: '#view2', // parent DOM container
hover: true // enable hover processing
});
return view2.runAsync();
}
values2 = [
{"category": "A", "amount": 87},
{"category": "B", "amount": 55},
{"category": "C", "amount": 43},
{"category": "D", "amount": 91},
{"category": "E", "amount": 81},
{"category": "F", "amount": 87},
{"category": "G", "amount": 87},
{"category": "H", "amount": 87}
]
changeset = view2.changeset()
.insert(values2.insert.slice())
view2.change("table", changeset).run()
view2.runAsync()
</script>
</body>