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<!DOCTYPE html>
<meta charset="utf-8">
<!-- Load d3.js -->
<script src="https://d3js.org/d3.v6.js"></script>
<link rel="stylesheet" href="style.css">
<!-- Create a div for the header -->
<div id="my_header" style="text-align: center;">
<h1>Networks Graph for Top 100 BoardGames from BoardGameGeek.xom</h1>
<h3>Hove over a game to highlight its connection (which means that players of the one game also like the other
game). Click to display all the information about that game.</h3>
<!-- <p>Legenda:</p>
<ul style="list-style: none; text-align: left;">
<li><span style="color: #ffffb2;">●</span> 0-5 collegamenti</li>
<li><span style="color: #fecc5c;">●</span> 6-10 collegamenti</li>
<li><span style="color: #fd8d3c;">●</span> 11-15 collegamenti</li>
<li><span style="color: #f03b20;">●</span> 16-20 collegamenti</li>
<li><span style="color: #bd0026;">●</span> 21+ collegamenti</li>
</ul> -->
</div>
<!-- Create a div where the graph will take place -->
<div id="data"></div>
<body>
<script>
// Dimensioni della finestra
const margin = { top: 10, right: 30, bottom: 30, left: 40 },
width = window.innerWidth - margin.left - margin.right,
height = window.innerHeight - margin.top - margin.bottom;
// Crea l'svg
const svg = d3.select("#data")
.append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.call(d3.zoom().on("zoom", function (event) {
svg.attr("transform", event.transform);
}))
.append("g")
.attr("transform",
`translate(${margin.left}, ${margin.top})`);
/*
function highlightNode(node) {
// Colora il nodo passato come parametro
d3.select(node).style("fill", "red");
// Colora tutti i nodi collegati
d3.selectAll(".link")
.filter(function (d) { return d.source === node || d.target === node; })
.style("stroke", "red");
} */
// Carica i dati dal dataset formattato
d3.json("output.json").then(function (data) {
// Dizionario per salvare le connessioni di ogni nodo
const nodeMap = {};
data.nodes.forEach(node => {
const connectedNodes = data.links.filter(link => link.source == node.id || link.target == node.id)
.map(link => link.source == node.id ? link.target : link.source);
const connectedNodeNames = data.nodes.filter(node => connectedNodes.includes(node.id))
.map(node => node.name);
nodeMap[node.id] = connectedNodeNames;
});
let currentNode;
// Rappresentazione della freccia per indicare il verso del collegamento
svg.append("defs").append("marker")
.attr("id", "arrow")
.attr("viewBox", "0 -5 10 10")
.attr("refX", 21.5)
.attr("refY", 0)
.attr("markerWidth", 10)
.attr("markerHeight", 13)
.attr("orient", "auto")
.append("path")
.attr("d", "M0,-5L10,0L0,5")
.style("fill", "#9999");
// Freccia rossa
svg.append("defs").append("marker")
.attr("id", "arrow-red")
.attr("viewBox", "0 -5 10 10")
.attr("refX", 21.5)
.attr("refY", 0)
.attr("markerWidth", 10)
.attr("markerHeight", 13)
.attr("orient", "auto")
.append("path")
.attr("d", "M0,-5L10,0L0,5")
.style("fill", "red");
// Freccia rossa
svg.append("defs").append("marker")
.attr("id", "arrow-blue")
.attr("viewBox", "0 -5 10 10")
.attr("refX", 21.5)
.attr("refY", 0)
.attr("markerWidth", 10)
.attr("markerHeight", 13)
.attr("orient", "auto")
.append("path")
.attr("d", "M0,-5L10,0L0,5")
.style("fill", "blue");
// Freccia rossa
svg.append("defs").append("marker")
.attr("id", "arrow-green")
.attr("viewBox", "0 -5 10 10")
.attr("refX", 21.5)
.attr("refY", 0)
.attr("markerWidth", 10)
.attr("markerHeight", 13)
.attr("orient", "auto")
.append("path")
.attr("d", "M0,-5L10,0L0,5")
.style("fill", "green");
// Inizializza i link
const link = svg
.selectAll("line")
.data(data.links)
.join("line")
.style("stroke", "#999")
.attr("marker-end", "url(#arrow)");
/* // ELIMINABILE - l'idea iniziale è stata scartata
const colorScale = d3.scaleQuantize()
.domain([0, d3.max(data.nodes, function (d) {
// Get number of links for this node
return data.links.filter(link => link.source == d.id || link.target == d.id).length;
})])
.range(["#ffffb2", "#fecc5c", "#fd8d3c", "#f03b20", "#bd0026"]); */
// Definisci il tooltip
var tip = d3.select("#data").append("div")
.attr("class", "tooltip")
.style("opacity", 0)
// Definizione del pattern per rappresentare i nodi
const patterns = svg
.selectAll("pattern")
.data(data.nodes)
.join("pattern")
.attr("id", d => `pattern-${d.id}`)
.attr("width", 1)
.attr("height", 1)
patterns.append("rect")
.attr("width", 70)
.attr("height", 70)
.attr("fill", "#FFFFFF");
patterns.append("image")
.attr("xlink:href", d => d.image)
.attr("width", 100)
.attr("height", 100)
.attr("x", d => -d.radius)
.attr("y", d => -d.radius);
// Creazione dei nodi
const node = svg
.selectAll("circle")
.data(data.nodes)
.join("circle")
.attr("r", 35)
.style("stroke", "white")
.style("stroke-width", 2)
.style("fill", "#FFFFFF")
.style("fill", d => `url(#pattern-${d.id})`)
.on("click", function (event, d) {
// Rimuovi eventuali popup esistenti
d3.select("#popup").remove();
// Crea un nuovo elemento popup
const popup = d3.select("body")
.append("div")
.attr("id", "popup")
.style("position", "absolute")
.style("left", event.pageX + "px")
.style("top", event.pageY + "px")
.style("background-color", "white")
.style("border", "1px solid black")
.style("padding", "10px");
// Titolo del popup
popup.append("h1").text(d.name);
// Crea la prima pagina del popup
const page1 = popup.append("div").attr("id", "page1");
// Carica il dataset originale con le informazioni aggiuntive
d3.json("dataset.json").then(function (additionalData) {
// Cerca le informazioni aggiuntive relative al nodo cliccato
const additionalInfo = additionalData.find(info => info.id === d.id);
// Aggiungi le informazioni aggiuntive al popup
if (additionalInfo) {
page1.append("p").text(additionalInfo.description);
page1.append("p").text("Year: " + additionalInfo.year);
page1.append("p").text("Rank: " + additionalInfo.rank);
page1.append("p").text("Min players: " + additionalInfo.minplayers);
page1.append("p").text("Max players: " + additionalInfo.maxplayers);
page1.append("p").text("Min playtime: " + additionalInfo.minplaytime + " min");
page1.append("p").text("Max playtime: " + additionalInfo.maxplaytime + " min");
page1.append("p").text("Min age: " + additionalInfo.minage);
if (additionalInfo.rating) {
page1.append("p").text("Rating: " + additionalInfo.rating.rating);
page1.append("p").text("Number of reviews: " + additionalInfo.rating.num_of_reviews);
}
if (additionalInfo.types && additionalInfo.types.categories) {
page1.append("p").text("Categories: " + additionalInfo.types.categories.map(category => category.name).join(", "));
}
page1.append("p").text("Designer(s): " + additionalInfo.credit.designer.map(designer => designer.name).join(", "));
}
});
// Inserisci l'immagine di copertina
page1.append("img").attr("src", d.image).style("display", "block").style("margin", "auto")
// Crea la seconda pagina del popup
const page2 = popup.append("div").attr("id", "page2").style("display", "none");
page2.append("h3").text("Users who liked this game also liked");
//page2.append("img").attr("src", d.image).style("display", "block").style("margin", "auto")
const connectedNodes = nodeMap[d.id];
page2.append("p").text(connectedNodes.join(" || "));
// Aggiungi un pulsante di chiusura al popup
popup.append("button")
.text("X")
.style("position", "absolute")
.style("right", "0")
.style("top", "0")
.style("fill", "red")
.on("click", function () {
d3.select("#popup").remove();
});
// Aggiungi le frecce di navigazione al popup
popup.append("button").text("<").on("click", function () {
// Mostra la prima pagina e nascondi la seconda pagina
page1.style("display", null);
page2.style("display", "none");
});
popup.append("button").text(">").on("click", function () {
// Mostra la seconda pagina e nascondi la prima pagina
page1.style("display", "none");
page2.style("display", null);
});
})
.on("mousemove", function (event) {
var mouseX = event.clientX;
var mouseY = event.clientY;
// Traccia il movimento per muovere il tooltip
tip.style("left", (mouseX + 10) + "px")
.style("top", (mouseY + 100) + "px")
})
.on("mouseover", (event, d) => {
var mouseX = event.clientX;
var mouseY = event.clientY;
const connectedNodes = nodeMap[d.id];
currentNode = d;
console.log(linkColor(d))
// Colora i collegamenti del nodo ed i contorni dei nodi collegati
d3.select(event.currentTarget)
.transition()
.duration(200)
.style("stroke", "red")
.style("stroke-width", 8);
tip.style("opacity", 1)
.html('<br> Selected Game: ' + "<span style='color:green'>" + d.name + "</span>" +
'<br> Related games: <br>' + connectedNodes.join(" ||\n "))
.style("top", (mouseY + 50) + "px");
link.filter(function (l) {
return l.source === d || l.target === d;
}).transition().duration(200).style("stroke", function (l) { return linkColor(l); }).style("stroke-width", "3")
.attr("marker-end", function(l) { return arrowColor(l); })
node.filter(function (n) {
console.log(connectedNodes)
return connectedNodes.includes(n.name);
}).transition().duration(200).style("stroke", "red").style("stroke-width", "8")
})
.on("mouseout", (event, d) => {
tip.style("opacity", 0);
const connectedNodes = nodeMap[d.id];
d3.select(event.currentTarget)
.transition()
.duration(2000)
.delay(1000).style("stroke", "none");
link.filter(function (l) {
return l.source === d || l.target === d;
}).transition().duration(2000).style("stroke", "#999").style("stroke-width", null)
link.filter(function (l) {
return l.source === d || l.target === d;
}).transition().delay(2000).duration(2000).attr("marker-end", "url(#arrow)")
node.filter(function (n) {
console.log(connectedNodes)
return connectedNodes.includes(n.name);
}).transition().delay(1100).style("stroke", "none").style("stroke-width", null);
})
// Chiudi il popup quando si clicca al di fuori del popup
d3.select(document).on("click", function (event) {
if (event.target.id !== "popup" && event.target.tagName !== "circle" && event.target.id !== "page1" && event.target.id !== "page2" && event.target.tagName !== "BUTTON") {
d3.select("#popup").remove();
}
});
// Aggiungi i label ai nodi
const label = svg
.selectAll("text")
.data(data.nodes)
.join("text")
.attr("dx", -40)
.attr("dy", 50)
.style("font-size", 11)
.text(function (d) { return d.name });
// Inizializzazione delle forze per la generazione dei nodi
const simulation = d3.forceSimulation(data.nodes)
.force("link", d3.forceLink()
.id(function (d) { return d.id; })
.distance(600)
.links(data.links)
)
.force("charge", d3.forceManyBody().strength(-5000))
.force("center", d3.forceCenter(width / 2, height / 2))
.on("end", ticked);
// Aggiorna la posizione dei nodi
function ticked() {
link
.attr("x1", function (d) { return d.source.x; })
.attr("y1", function (d) { return d.source.y; })
.attr("x2", function (d) { return d.target.x; })
.attr("y2", function (d) { return d.target.y; });
node
.attr("cx", function (d) { return d.x; })
.attr("cy", function (d) { return d.y; });
label
.attr("x", function (d) { return d.x; })
.attr("y", function (d) { return d.y; });
}
function linkColor(d) {
console.log("source:", d.source);
console.log("target:", d.target);
console.log("currentNode:", currentNode);
if (d.source === currentNode) {
return "red";
} else if (d.target === currentNode) {
return "blue";
} else if (d.source === currentNode && d.target === currentNode) {
return "green";
} else {
return "black";
}
}
function arrowColor(d) {
if (d.source === currentNode) {
return "url(#arrow-red)";
} else if (d.target === currentNode) {
return "url(#arrow-blue)";
} else if (d.source === currentNode && d.target === currentNode) {
return "url(#arrow-green)";
} else {
return "url(#arrow-black)";
}
}
});
</script>
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