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@mohhasbias mohhasbias/.block
Last active Mar 4, 2017

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Floor map
license: mit
height: 500
border: no

implementing Floor Map using D3.js

// https://d3js.org Version 4.4.0. Copyright 2016 Mike Bostock.
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[
{
"x": 160,
"y": 340,
"width": 65,
"height": 45,
"color": "orange",
"name": "Room 1"
},
{
"x": 227,
"y": 340,
"width": 55,
"height": 45,
"color": "blue",
"name": "Room 2"
},
{
"x": 317,
"y": 340,
"width": 65,
"height": 45,
"color": "green",
"name": "Room 3"
},
{
"x": 383,
"y": 340,
"width": 57,
"height": 45,
"color": "orange",
"name": "Room 4"
},
{
"x": 442,
"y": 340,
"width": 65,
"height": 45,
"color": "blue",
"name": "Room 5"
}
]
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="d3.min.js"></script>
<style>
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
</style>
</head>
<body>
<script>
// Drawing Area
var svg = d3.select("body").append("svg")
.attr("width", 960)
.attr("height", 500)
.style('background', 'lightblue');
// background image
svg.append('image')
.attr('xlink:href', 'floor-map.png')
.attr('width', '895px')
.attr('height', '503px');
// load json
d3.json('floor-map.json', function(floorMap) {
drawOverlay(floorMap);
// update on particular timeout
[1000, 2000, 3000, 4000, 5000]
.forEach(function(timeout) {
setTimeout(
function() {
updateRect(floorMap)
},
timeout
);
});
});
function updateRect(floorMap) {
var colorOptions = ['gray', 'orange', 'teal', 'maroon', 'black'];
floorMap = floorMap.map(function(d) {
var randomIndex = Math.floor(Math.random()*colorOptions.length);
return Object.assign({}, d, {
color: colorOptions[randomIndex]
});
});
drawOverlay(floorMap);
}
function drawOverlay(floorMap) {
var rooms = svg.selectAll('g.room')
.data(floorMap);
rooms.exit().remove();
var group = rooms.enter()
.append('g')
.attr('class', 'room');
group.append('rect')
.merge(rooms.select('rect'))
.attr('x', d => d.x)
.attr('y', d => d.y)
.attr('width', d => d.width)
.attr('height', d => d.height)
.style('fill', d => d.color)
.style('opacity', 0.75);
group.append('text')
.merge(rooms.select('text'))
.text(d => d.name)
.attr('x', d => d.x + d.width/2)
.attr('y', d => d.y + d.height/2)
.style('text-anchor', 'middle')
.style('fill', 'white');
}
</script>
</body>
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