Built with blockbuilder.org
forked from pstuffa‘s block: Oscilloscope II
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v4.min.js"></script>
<style>
body {
background: url(https://upload.wikimedia.org/wikipedia/commons/7/7e/Vectorscope.jpg) !important;
padding: 0px;
margin: 0px;
vertical-align: center;
font-weight: 100 !important;
}
.axis text {
fill: none;
}
.axis path {
stroke: none
}
.axis line {
stroke: #f36f58;
stroke-opacity: .75;
}
svg {
padding: 0px;
margin: 0px;
position: absolute;
top: 95px;
left: 300px;
}
.background {
fill: #786040 !important;
}
#chart {
text-align: center;
}
.dots {
fill: #fdeae7;
}
.line {
stroke: #22ffc5;
stroke-width: 2;
stroke-opacity: 1;
fill: none;
}
</style>
</head>
<body>
<div id="chart"> </div>
<script>
var margin = {top: 20, right: 20, bottom: 20, left: 20},
width = 435 - margin.left - margin.right,
height = 360 - margin.top - margin.bottom,
numTicks = 10,
numDashes = 5,
numDots = 10;
tickSpace = 8;
var y = d3.scaleLinear()
.range([height, 0])
.domain([-1,1])
var x = d3.scaleLinear()
.range([0, width])
.domain([-1,1])
var body = d3.select("#chart").append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
body.append("rect")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.style("fill-opacity", .95)
.attr("rx", 10)
.attr("class","background");
var svg = body.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
body.append("rect")
.attr("filter","url(#spect)")
.attr("width", width + margin.left + margin.right)
.style("opacity", .3)
.attr("height", height + margin.top + margin.bottom);
var defs = svg.append("defs");
var filter = defs.append("filter").attr("id","spect");
var turbulence = filter.append("feTurbulence")
.attr("baseFrequency",".25")
.attr("numOctaves","10")
.attr("seed", 201);
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(d3.axisBottom(x).tickSize(-height).ticks(numTicks))
.selectAll("line")
.style("stroke-dasharray", function(d,i) {
var dashArray = []
for (var k = 0; k < numTicks; k += 1) {
dashArray.push((height/numTicks - (tickSpace/2) - (k > 0 ? (tickSpace/2) : 0)));
dashArray.push(tickSpace)
}
return dashArray.join(",") })
svg.append("g")
.attr("class", "y axis")
.call(d3.axisLeft(y).tickSize(-width).ticks(numTicks))
.selectAll("line")
.style("stroke-dasharray", function(d,i) {
var dashArray = []
for (var k = 0; k < numTicks; k += 1) {
dashArray.push((width/numTicks - (tickSpace/2) - (k > 0 ? (tickSpace/2) : 0)));
dashArray.push(tickSpace)
}
return dashArray.join(",") })
svg.selectAll(".verticalDashes")
.data(d3.range(numTicks*numDashes).map(Object))
.enter().append("line")
.attr("class", "verticalDashes")
.attr("y1", function(d, i) { return i*(height/numTicks/numDashes); } )
.attr("y2", function(d, i) { return i*(height/numTicks/numDashes); } )
.attr("x1", x(-.025))
.attr("x2", x(.025))
.style("stroke", "#f25b40")
.style("stroke-dasharray", function() {
var unit = x(.025) - x(0);
return (unit - (tickSpace/4)) + "," + (tickSpace/2) + "," + (unit - (tickSpace/4))
})
svg.selectAll(".horizontalDashes")
.data(d3.range(numTicks*numDashes).map(Object))
.enter().append("line")
.attr("class", "horizontalDashes")
.attr("x1", function(d, i) { return i*(width/numTicks/numDashes); } )
.attr("x2", function(d, i) { return i*(width/numTicks/numDashes); } )
.attr("y1", y(-.025))
.attr("y2", y(.025))
.style("stroke", "#f25b40")
.style("stroke-dasharray", function() {
var unit = x(.025) - x(0);
return (unit - (tickSpace/4)) + "," + (tickSpace/2) + "," + (unit - (tickSpace/4))
})
svg.selectAll(".rowOne dots")
.data(d3.range(numTicks*numDots).map(Object))
.enter().append("circle")
.attr("class", "rowOne dots")
.attr("cx", function(d, i) { return i*(width/numTicks/numDots); } )
.attr("cy", function(d, i) { return i % 2 == 0 ? y(.28) : y(-.28) })
.attr("r", 1)
.style("fill-opacity", .25);
svg.selectAll(".rowTwo")
.data(d3.range(numTicks*numDots).map(Object))
.enter().append("circle")
.attr("class", "rowTwo dots")
.attr("cx", function(d, i) { return i*(width/numTicks/numDots); } )
.attr("cy", function(d, i) { return i % 2 == 0 ? y(.44) : y(-.44) })
.attr("r", 1)
.style("fill-opacity", .25);
svg.append("clipPath")
.attr("id", "clip")
.append("rect")
.attr("width", width)
.attr("height", height);
var line = d3.line()
.curve(d3.curveCardinal)
.x(function(d) { return x(d.x); })
.y(function(d) { return y(d.y); });
var data = []
svg.append("path")
.datum(data)
.attr("class", "line")
.attr("clip-path", "url(#clip)")
.attr("d", line)
.style("stroke-width", 1)
var counter = 0;
d3.interval(function(elapsed) {
data.push({x: counter, y: Math.cos(counter) + (Math.cos(counter/100)*10)});
x.domain([0, counter]);
y.domain(d3.extent(data, function(d) { return d.y }));
d3.select(".x").call(d3.axisBottom(x).tickSize(-height).ticks(numTicks));
d3.select(".y").call(d3.axisLeft(y).tickSize(-width).ticks(numTicks));
counter += 1;
svg.select(".line")
.datum(data)
.attr("d", line)
}, 10);
</script>
</body>