matrixBasedRepresentation

698.edges

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830 819

index.html

<html>
	<head>
		<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.6.0/p5.js"></script>
		<script src="matrixBasedRepresentation.js"></script>
	</head>
	<body>
	</body>
</html>

matrixBasedRepresentation.js

var table;
var edges = [];
var nodes = [];

function preload() {
	table = loadStrings('698.edges');
}

class Edge{ 
	constructor(id1, id2){
		this.id1 = id1;
		this.id2 = id2;
	}
}

class Node{
	constructor(id, x, y){
		this.id = id;
		this.x = x; 
		this.y = y;
		this.disp1 = 0;
		this.disp2 = 0;
	}
}

function search(id, nodes){
	for(var x = 0; x < nodes.length; x++){
		if(nodes[x].id == id){
			return nodes[x]
		}
	}
	return 0;
}

function setup() {
	createCanvas(1800, 1800);
	var v = table.length;

	var w = 1000;
	var l = 1000;
	var area = w*l; 
	var k = sqrt(area/v);

	for(var x = 0; x < table.length; x++){
		edgeInfo = table[x].split(" ");
		var e = new Edge(parseInt(edgeInfo[0]), parseInt(edgeInfo[1]));
		edges.push(e);

		var result1  = search(parseInt(edgeInfo[0]), nodes);
		var result2  = search(parseInt(edgeInfo[1]), nodes);
		if(result1 == 0){
			var node = new Node(parseInt(edgeInfo[0]), random(0,1000),random(0,1000))
			nodes.push(node);
		}
		if(result2 == 0){
			var node = new Node(parseInt(edgeInfo[1]), random(0,1000),random(0,1000))
			nodes.push(node);
		}
	}

	sort(nodes, nodes.length)

}

function draw(){
	clear()
	var lines = nodes.length;

	var u = 100
	var v = 1500
	//vertical line
	line(100,100, 100, v); 
	line( v, v, v, 100);

	//horizontal line
	line(100,v,v, v);
	line(v,100,100, 100);

	//squares
	var increment = (v-u)/lines;
	var pos = 100;
	for(var x = 0; x < nodes.length+1; x++){
		line(pos, v, pos, u);
		line(v, pos, u, pos);
		pos = pos + increment;
	}

	//axis
	line(100,100,100,85)
	line(100,100,70,100)
	var n = 0;
	for(var x = 1; x < nodes.length+1; x++){
		var tick = map(n, min(0), max(nodes.length), u,v)
		//x-axis
		line(tick,100, tick,75)
		//y-axis
		line(100, tick, 70, tick)
		//node id 
		textSize(10)
		fill(0,0,0)
		text(str(nodes[n].id), tick+2, 90)
		text(str(nodes[n].id), 75, tick+13)
		n++;
	}
	tick = map(nodes.length, min(0), max(nodes.length), u,v)
	//last x-axis
	line(tick,100, tick,70)
	//last y-axis
	line(100, tick, 70, tick)

	//closes tick marks
	line(70, u, 70, v)
	line(u, 75 , v, 75)

	var w = u
	var y_coord=0;
	//fill in matrix 
	for(var x = 0; x < edges.length; x++){
		var node1 = search(edges[x].id1, nodes)
		var idx1 = nodes.indexOf(node1)

		var node2 = search(edges[x].id2, nodes)
		var idx2 = nodes.indexOf(node2)

		fill(0, 2, 152)
		var x1 = map(idx1, min(0), max(nodes.length), u,v)
		y_coord = (idx2*increment)+100
		rect(x1, y_coord, increment, increment);
	}

		for(var x = 0; x < edges.length; x++){
			var node1 = search(edges[x].id1, nodes)
			var idx1 = nodes.indexOf(node1)

			var node2 = search(edges[x].id2, nodes)
			var idx2 = nodes.indexOf(node2)

			var x1 = map(idx1, min(0), max(nodes.length), u,v)
			y_coord = (idx2*increment)+100

			if(mouseX > x1 && mouseY < (y_coord+increment) && mouseX < (x1+increment) && mouseY > y_coord){
				fill(0, 2, 252)
				rect(x1, y_coord, increment, increment);


				fill(192,192,192)
				rect(mouseX+10, mouseY-(50), 75, 25)

				fill(0,0,0)
				textSize(10);
				text("Node 1: " + edges[x].id1, mouseX+15, mouseY-(40))
				text("Node 2: " + edges[x].id2, mouseX+15, mouseY-(30))
		}
	}
}