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August 29, 2015 14:02
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
svg { | |
font: 10px sans-serif; | |
} | |
.border { | |
color: yellow; | |
} | |
.resize path { | |
fill: #666; | |
fill-opacity: .8; | |
stroke: #000; | |
stroke-width: 1.5px; | |
} | |
.e{ | |
fill: red; | |
} | |
.w{ | |
fill: green; | |
} | |
.axis path, .axis line { | |
fill: none; | |
stroke: #000; | |
/*shape-rendering: crispEdges;*/ | |
} | |
.brush .extent { | |
fill-opacity: .125; | |
/*shape-rendering: crispEdges;*/ | |
} | |
</style> | |
<body> | |
<script src="http://d3js.org/d3.v3.min.js"></script> | |
<script> | |
var margin = {top: 194, right: 50, bottom: 214, left: 50}, | |
width = 800 - margin.left - margin.right, | |
height = 500 - margin.top - margin.bottom; | |
var x = d3.scale.linear() | |
.domain([0,60]) | |
.range([0, width]); | |
var brush = d3.svg.brush() | |
.x(x) | |
.extent([20,26]) | |
.on("brush", brushmove) | |
var svg = d3.select("body").append("svg") | |
.attr("width", width + margin.left + margin.right) | |
.attr("height", height + margin.top + margin.bottom) | |
.append("g") | |
.attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
svg.append("g") | |
.attr("class", "x axis") | |
.attr("transform", "translate(0," + height + ")") | |
.call(d3.svg.axis().scale(x).orient("bottom")); | |
var brushg = svg.append("g") | |
.attr("class", "brush") | |
.call(brush) | |
brushg.selectAll(".resize").append("rect") | |
.attr("width", '20px') | |
.classed("border") | |
brushg.selectAll("rect") | |
.attr("height", height); | |
brushg.select(".background") | |
.on("mousedown.brush", nobrush) | |
.on("touchstart.brush", nobrush); | |
brushmove(); | |
function brushmove() { | |
console.log(brush.extent()) | |
var extent = brush.extent() | |
var diff = extent[1] - extent[0] | |
if (diff < 1) { | |
console.log("Brush should not be smaller than 1") | |
// Hoping to stop brush move with no luck. | |
d3.event.sourceEvent.stopPropagation() | |
}; | |
} | |
function nobrush(a, b, c) { | |
console.log('brushcenter') | |
d3.event.stopPropagation() | |
} | |
</script> |
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