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chart_tweet_v2.js
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const spec = {
"$schema": "https://vega.github.io/schema/vega/v4.json",
"width": 710,
"height": 400,
"padding": 15,
"myList": [
"basis",
"cardinal",
"catmull-rom",
"linear",
"monotone",
"natural",
"step",
"step-after",
"step-before"
],
"signals": [
{
"name": "selected", "value": "tb",
"bind": {"name": "Topic", "input": "radio", "options": ["tb","endtb","treatment","research","antibiotic","amr","innovation","mdrtb","unhlmtb","hiv","india","health","aids2018","southafrica","vaccine","malaria","vih","diabetes"]}
},
{
"name": "norm", "value": "self",
"bind": {"name": "Scale","input": "radio", "options": ["self","peers"]}
},
{
"name": "cutOff", "value": 0,
"bind": {"name": "Min. favorites","input": "range", "min": 0, "max": 200, "step": 1}
},
{
"name": "interpolate", "value": "basis",
"bind": {"name":"Style", "input": "radio", "options": [
"basis",
"linear",
"monotone",
"natural",
"step"
]
}
}
],
"data": [
{
"name": "steamData",
"format": {"type": "tsv", "parse": {"pioneer":"number","infirm":"number","retweet":"number","exclude":"number", "week": "number"}},
"url": "https://raw.githubusercontent.com/repmax/launchpad/master/tb_tweet_steam_v2.tsv",
"transform": [
{"type": "formula", "expr": "datum.pioneer", "as": "count"},
{"type": "formula", "expr": "datum.count+datum.infirm", "as": "count2"},
{"type": "formula", "expr": "datum.count2+datum.retweet", "as": "count3"},
{"type": "formula", "expr": "datum.count3+datum.exclude", "as": "total"},
{ "type": "collect", "sort": {"field": ["label", "week"]}}
]
},
{
"name": "rangeAxisY",
"source": "steamData",
"transform": [
{"type": "filter", "expr": "norm == 'self' ? datum.label == selected : datum.label == 'tb'"}
]
},
{
"name": "rangeAxisX",
"source": "steamData",
"transform": [
{"type": "filter", "expr": "datum.label == 'tb'"}
]
},
{
"name": "filterSteam",
"source": "steamData",
"transform": [
{"type": "filter", "expr": "datum.label == selected"}
]
},
{
"name": "topData",
"format": {"type": "tsv", "parse": {"week": "number", "retweet_count":"number", "quoA":"number", "quoB":"number","repA":"number", "repB":"number", "favorite_count":"number"}},
"url": "https://raw.githubusercontent.com/repmax/launchpad/master/tb_tweet_top_v2.tsv",
"transform": [
{"type": "formula", "expr": "datum.retweet_count", "as": "interaction"},
{"type": "formula", "expr": "'https://twitter.com/statuses' + datum.tid", "as": "url"}
]
},
{
"name": "extentAxisZ",
"source": "topData",
"transform": [
{"type": "filter","expr": "norm == 'self' ? (datum.label == selected) && (datum.interaction >= cutOff) : (datum.label == 'tb') && (datum.interaction >= cutOff)" },
{"type": "aggregate", "fields": ["interaction","interaction"], "ops":["max","min"], "as":["maxValue","minValue"]},
{"type": "formula","expr": "[substring('10000000',0,length(toString(floor(datum.minValue*0.95)))), datum.maxValue*1.2]","as":"extent"},
{"type": "flatten", "fields": ["extent"]}
]
},
{
"name": "filterTop",
"source": "topData",
"transform": [
{"type": "filter", "expr": "(datum.label == selected) && (datum.interaction >= cutOff)"}
]
}
],
"scales": [
{
"name": "x",
"type": "linear",
"zero" : false,
"domain": {"data": "rangeAxisX", "field": "week"},
"range": "width"
},
{
"name": "y",
"type": "linear",
"range": "height",
"nice": true,
"zero": true,
"domain": {"data": "rangeAxisY", "field": "total"}
},
{
"name": "z",
"type": "log",
"range": "height",
"domain": {"data": "extentAxisZ", "field": "extent"}
}
],
"config": {
"axisRight": {
"domain": true,
"domainColor": "#9942f0",
"domainWidth": 3,
"tickWidth": 2
},
"axisY": {
"domain": true,
"domainColor": "#00cc99",
"domainWidth": 3,
"tickWidth": 2,
"titleFontSize": 15
},
"axisX": {
"domain": true,
"domainWidth": 2,
"tickWidth": 2
}
},
"axes": [
{"orient": "bottom",
"scale": "x",
"grid": true,
"ticks": true,
"offset": 15,
"title": "WEEK 2018",
"tickCount":15,
"titlePadding": 10,
"titleFontSize": 13,
"titleFontWeight": 100
},
{"orient": "left",
"scale": "y",
"offset": 35,
"title": "ACTIVITY",
"titlePadding": 5,
"titleFontSize": 13,
"titleFontWeight": 100
},
{
"orient": "right",
"scale": "z",
"title": "RETWEETS",
"offset": 50,
"titlePadding": 5,
"titleFontSize": 13,
"titleFontWeight": 100
}
],
"marks": [
{
"type": "area",
"from": {"data": "filterSteam"},
"encode": {
"enter": {
"x": {"scale": "x", "field": "week"},
"y": {"scale": "y", "field": "count"},
"y2": {"scale": "y", "value": 0},
"stroke": {"value": "#ffcc99"},
"strokeWidth": {"value": 0},
"strokeOpacity": {"value": 0.8},
"fill": {"value": "#c2a5cf"},
"fillOpacity": {"value": 0.5},
"interpolate": {"signal": "interpolate"}
},
"update": {
"interpolate": {"signal": "interpolate"}
}
}
},
{
"type": "area",
"from": {"data": "filterSteam"},
"encode": {
"enter": {
"x": {"scale": "x", "field": "week"},
"y": {"scale": "y", "field": "count2"},
"y2": {"scale": "y", "field": "count"},
"stroke": {"value": "#00cc99"},
"strokeWidth": {"value": 0},
"strokeOpacity": {"value": 0.8},
"fill": {"value": "#a6dba0"},
"fillOpacity": {"value": 0.5},
"interpolate": {"signal": "interpolate"}
},
"update": {
"interpolate": {"signal": "interpolate"}
}
}
},
{
"type": "area",
"from": {"data": "filterSteam"},
"encode": {
"enter": {
"x": {"scale": "x", "field": "week"},
"y": {"scale": "y", "field": "count3"},
"y2": {"scale": "y", "field": "count2"},
"stroke": {"value": "#00cc99"},
"strokeWidth": {"value": 0},
"strokeOpacity": {"value": 0.8},
"fill": {"value": "#e7d4e8"},
"fillOpacity": {"value": 0.5},
"interpolate": {"signal": "interpolate"}
},
"update": {
"interpolate": {"signal": "interpolate"}
}
}
},
{
"type": "area",
"from": {"data": "filterSteam"},
"encode": {
"enter": {
"x": {"scale": "x", "field": "week"},
"y": {"scale": "y", "field": "total"},
"y2": {"scale": "y", "field": "count3" },
"stroke": {"value": "#a6dba0"},
"strokeWidth": {"value": 0},
"strokeOpacity": {"value": 0.8},
"fill": {"value": "#a6dbd9"},
"fillOpacity": {"value": 0.5},
"interpolate": {"signal": "interpolate"}
},
"update": {
"interpolate": {"signal": "interpolate"}
}
}
},
{
"name": "marks",
"type": "symbol",
"from": {"data": "filterTop"},
"encode": {
"enter": {
"x": {"scale": "x", "field": "week"},
"y": {"scale": "z", "field": "interaction"},
"shape": {"value": "circle"},
"strokeWidth": {"value": 2},
"opacity": {"value": 0.8},
"stroke": {"value": "#9942f0"},
"fill": {"value": "transparent"}
},
"update": {
"y": {"scale": "z", "field": "interaction"}
}
}
},
{
"type": "text",
"from": {"data": "filterTop"},
"encode": {
"enter": {
"x": {"scale": "x", "field": "week"},
"y": {"scale": "z", "field": "interaction"},
"dx": {"value":10},
"align": {"value": "left"},
"baseline": {"value":"middle"},
"fill": {"value": "#000"},
"text": {"field": "screen_name", "type": "text"},
"fontColor": {"value":"#666666"},
"font": {"value":"monospace"},
"fontSize": {"value":12},
"href": {"field":"url", "type":"nominal"}
},
"update": {
"y": {"scale": "z", "field": "interaction"},
"opacity": {"value": 1},
"tooltip": {"signal": "{title: datum.screen_name, 'Tweet': datum.text ,'Impact': datum.interaction, 'Quotes': datum.quoA+datum.quoB, 'Replies': datum.repA+datum.repB,'Retweets': datum.retB, 'Off. retweets': datum.retweet_count, 'Off. favorites': datum.favorite_count, 'TwitterID': datum.tid}"}
},
"hover": {
"opacity": {"value": 0.5}
}
}
}
]
}
draw = function () {
vegaEmbed('#vis', spec, {
renderer: "svg",
loader: vega.loader({target: '_blank'})
});
}