Neural Network visualization

Developer
Matei Copot
Size
4,562 Kb
Views
48,576
  1. Neural Network visualization Previews
  2. Neural Network visualization HTML Codes
  3. Neural Network visualization CSS Codes
  4. Neural Network visualization JS Codes

How do I make an neural network visualization?

That's definitely a wrong rapresentation of a NN, but it looks cool :DClick to generate a new structure. What is a neural network visualization? How do you make a neural network visualization? This script and codes were developed by Matei Copot on 12 June 2022, Sunday.

Neural Network visualization Previews
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Neural Network visualization - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Neural Network visualization</title> <style> /* NOTE: The styles were added inline because Prefixfree needs access to your styles and they must be inlined if they are on local disk! */ canvas {	position: absolute;	top: 0;	left: 0;
} </style> <script src="https://cdnjs.cloudflare.com/ajax/libs/prefixfree/1.0.7/prefixfree.min.js"></script>
</head>
<body> <canvas id=c></canvas>
<!--
ALGORITHM:
structure:
- gen( x,y,z ):	- create node at x,y,z // blue	- append some children to list:	- within a certain distance to parent	- outside a certain distance from any node	- within a global distance	- if no children	- don't append any	- set as end node // green-ish
- gen( 0,0,0 ) // red
- while list has items	- gen( position of first item )	- remove first item
impulse behaviour:
- pick( node ):	- if node is end node	- pick( original node )	- else	- pick( random node from node children )
- pick( original node)
--> <script src="js/index.js"></script>
</body>
</html>

Neural Network visualization - Script Codes CSS Codes

canvas {	position: absolute;	top: 0;	left: 0;
}

Neural Network visualization - Script Codes JS Codes

var w = c.width = window.innerWidth,	h = c.height = window.innerHeight,	ctx = c.getContext( '2d' ),	opts = {	range: 180,	baseConnections: 3,	addedConnections: 5,	baseSize: 5,	minSize: 1,	dataToConnectionSize: .4,	sizeMultiplier: .7,	allowedDist: 40,	baseDist: 40,	addedDist: 30,	connectionAttempts: 100,	dataToConnections: 1,	baseSpeed: .04,	addedSpeed: .05,	baseGlowSpeed: .4,	addedGlowSpeed: .4,	rotVelX: .003,	rotVelY: .002,	repaintColor: '#111',	connectionColor: 'hsla(200,60%,light%,alp)',	rootColor: 'hsla(0,60%,light%,alp)',	endColor: 'hsla(160,20%,light%,alp)',	dataColor: 'hsla(40,80%,light%,alp)',	wireframeWidth: .1,	wireframeColor: '#88f',	depth: 250,	focalLength: 250,	vanishPoint: {	x: w / 2,	y: h / 2	}	},	squareRange = opts.range * opts.range,	squareAllowed = opts.allowedDist * opts.allowedDist,	mostDistant = opts.depth + opts.range,	sinX = sinY = 0,	cosX = cosY = 0,	connections = [],	toDevelop = [],	data = [],	all = [],	tick = 0,	totalProb = 0,	animating = false,	Tau = Math.PI * 2;
ctx.fillStyle = '#222';
ctx.fillRect( 0, 0, w, h );
ctx.fillStyle = '#ccc';
ctx.font = '50px Verdana';
ctx.fillText( 'Calculating Nodes', w / 2 - ctx.measureText( 'Calculating Nodes' ).width / 2, h / 2 - 15 );
window.setTimeout( init, 4 ); // to render the loading screen
function init(){	connections.length = 0;	data.length = 0;	all.length = 0;	toDevelop.length = 0;	var connection = new Connection( 0, 0, 0, opts.baseSize );	connection.step = Connection.rootStep;	connections.push( connection );	all.push( connection );	connection.link();	while( toDevelop.length > 0 ){	toDevelop[ 0 ].link();	toDevelop.shift();	}	if( !animating ){	animating = true;	anim();	}
}
function Connection( x, y, z, size ){	this.x = x;	this.y = y;	this.z = z;	this.size = size;	this.screen = {};	this.links = [];	this.probabilities = [];	this.isEnd = false;	this.glowSpeed = opts.baseGlowSpeed + opts.addedGlowSpeed * Math.random();
}
Connection.prototype.link = function(){	if( this.size < opts.minSize )	return this.isEnd = true;	var links = [],	connectionsNum = opts.baseConnections + Math.random() * opts.addedConnections |0,	attempt = opts.connectionAttempts,	alpha, beta, len,	cosA, sinA, cosB, sinB,	pos = {},	passedExisting, passedBuffered;	while( links.length < connectionsNum && --attempt > 0 ){	alpha = Math.random() * Math.PI;	beta = Math.random() * Tau;	len = opts.baseDist + opts.addedDist * Math.random();	cosA = Math.cos( alpha );	sinA = Math.sin( alpha );	cosB = Math.cos( beta );	sinB = Math.sin( beta );	pos.x = this.x + len * cosA * sinB;	pos.y = this.y + len * sinA * sinB;	pos.z = this.z + len * cosB;	if( pos.x*pos.x + pos.y*pos.y + pos.z*pos.z < squareRange ){	passedExisting = true;	passedBuffered = true;	for( var i = 0; i < connections.length; ++i )	if( squareDist( pos, connections[ i ] ) < squareAllowed )	passedExisting = false;	if( passedExisting )	for( var i = 0; i < links.length; ++i )	if( squareDist( pos, links[ i ] ) < squareAllowed )	passedBuffered = false;	if( passedExisting && passedBuffered )	links.push( { x: pos.x, y: pos.y, z: pos.z } );	}	}	if( links.length === 0 )	this.isEnd = true;	else {	for( var i = 0; i < links.length; ++i ){	var pos = links[ i ],	connection = new Connection( pos.x, pos.y, pos.z, this.size * opts.sizeMultiplier );	this.links[ i ] = connection;	all.push( connection );	connections.push( connection );	}	for( var i = 0; i < this.links.length; ++i )	toDevelop.push( this.links[ i ] );	}
}
Connection.prototype.step = function(){	this.setScreen();	this.screen.color = ( this.isEnd ? opts.endColor : opts.connectionColor ).replace( 'light', 30 + ( ( tick * this.glowSpeed ) % 30 ) ).replace( 'alp', .2 + ( 1 - this.screen.z / mostDistant ) * .8 );	for( var i = 0; i < this.links.length; ++i ){	ctx.moveTo( this.screen.x, this.screen.y );	ctx.lineTo( this.links[ i ].screen.x, this.links[ i ].screen.y );	}
}
Connection.rootStep = function(){	this.setScreen();	this.screen.color = opts.rootColor.replace( 'light', 30 + ( ( tick * this.glowSpeed ) % 30 ) ).replace( 'alp', ( 1 - this.screen.z / mostDistant ) * .8 );	for( var i = 0; i < this.links.length; ++i ){	ctx.moveTo( this.screen.x, this.screen.y );	ctx.lineTo( this.links[ i ].screen.x, this.links[ i ].screen.y );	}
}
Connection.prototype.draw = function(){	ctx.fillStyle = this.screen.color;	ctx.beginPath();	ctx.arc( this.screen.x, this.screen.y, this.screen.scale * this.size, 0, Tau );	ctx.fill();
}
function Data( connection ){	this.glowSpeed = opts.baseGlowSpeed + opts.addedGlowSpeed * Math.random();	this.speed = opts.baseSpeed + opts.addedSpeed * Math.random();	this.screen = {};	this.setConnection( connection );
}
Data.prototype.reset = function(){	this.setConnection( connections[ 0 ] );	this.ended = 2;
}
Data.prototype.step = function(){	this.proportion += this.speed;	if( this.proportion < 1 ){	this.x = this.ox + this.dx * this.proportion;	this.y = this.oy + this.dy * this.proportion;	this.z = this.oz + this.dz * this.proportion;	this.size = ( this.os + this.ds * this.proportion ) * opts.dataToConnectionSize;	} else	this.setConnection( this.nextConnection );	this.screen.lastX = this.screen.x;	this.screen.lastY = this.screen.y;	this.setScreen();	this.screen.color = opts.dataColor.replace( 'light', 40 + ( ( tick * this.glowSpeed ) % 50 ) ).replace( 'alp', .2 + ( 1 - this.screen.z / mostDistant ) * .6 );
}
Data.prototype.draw = function(){	if( this.ended )	return --this.ended; // not sre why the thing lasts 2 frames, but it does	ctx.beginPath();	ctx.strokeStyle = this.screen.color;	ctx.lineWidth = this.size * this.screen.scale;	ctx.moveTo( this.screen.lastX, this.screen.lastY );	ctx.lineTo( this.screen.x, this.screen.y );	ctx.stroke();
}
Data.prototype.setConnection = function( connection ){	if( connection.isEnd )	this.reset();	else {	this.connection = connection;	this.nextConnection = connection.links[ connection.links.length * Math.random() |0 ];	this.ox = connection.x; // original coordinates	this.oy = connection.y;	this.oz = connection.z;	this.os = connection.size; // base size	this.nx = this.nextConnection.x; // new	this.ny = this.nextConnection.y;	this.nz = this.nextConnection.z;	this.ns = this.nextConnection.size;	this.dx = this.nx - this.ox; // delta	this.dy = this.ny - this.oy;	this.dz = this.nz - this.oz;	this.ds = this.ns - this.os;	this.proportion = 0;	}
}
Connection.prototype.setScreen = Data.prototype.setScreen = function(){	var x = this.x,	y = this.y,	z = this.z;	// apply rotation on X axis	var Y = y;	y = y * cosX - z * sinX;	z = z * cosX + Y * sinX;	// rot on Y	var Z = z;	z = z * cosY - x * sinY;	x = x * cosY + Z * sinY;	this.screen.z = z;	// translate on Z	z += opts.depth;	this.screen.scale = opts.focalLength / z;	this.screen.x = opts.vanishPoint.x + x * this.screen.scale;	this.screen.y = opts.vanishPoint.y + y * this.screen.scale;
}
function squareDist( a, b ){	var x = b.x - a.x,	y = b.y - a.y,	z = b.z - a.z;	return x*x + y*y + z*z;
}
function anim(){	window.requestAnimationFrame( anim );	ctx.globalCompositeOperation = 'source-over';	ctx.fillStyle = opts.repaintColor;	ctx.fillRect( 0, 0, w, h );	++tick;	var rotX = tick * opts.rotVelX,	rotY = tick * opts.rotVelY;	cosX = Math.cos( rotX );	sinX = Math.sin( rotX );	cosY = Math.cos( rotY );	sinY = Math.sin( rotY );	if( data.length < connections.length * opts.dataToConnections ){	var datum = new Data( connections[ 0 ] );	data.push( datum );	all.push( datum );	}	ctx.globalCompositeOperation = 'lighter';	ctx.beginPath();	ctx.lineWidth = opts.wireframeWidth;	ctx.strokeStyle = opts.wireframeColor;	all.map( function( item ){ item.step(); } );	ctx.stroke();	ctx.globalCompositeOperation = 'source-over';	all.sort( function( a, b ){ return b.screen.z - a.screen.z } );	all.map( function( item ){ item.draw(); } );	/*ctx.beginPath();	ctx.strokeStyle = 'red';	ctx.arc( opts.vanishPoint.x, opts.vanishPoint.y, opts.range * opts.focalLength / opts.depth, 0, Tau );	ctx.stroke();*/
}
window.addEventListener( 'resize', function(){	opts.vanishPoint.x = ( w = c.width = window.innerWidth ) / 2;	opts.vanishPoint.y = ( h = c.height = window.innerHeight ) / 2;	ctx.fillRect( 0, 0, w, h );
});
window.addEventListener( 'click', init );
Neural Network visualization - Script Codes
Neural Network visualization - Script Codes
Home Page Home
Developer Matei Copot
Username towc
Uploaded June 12, 2022
Rating 4.5
Size 4,562 Kb
Views 48,576
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