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@bobcollopy
Created March 29, 2015 21:22
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<head>
DataFish
</head>
<script src="//www.parsecdn.com/js/parse-1.4.0.min.js"></script>
<!DOCTYPE html>
<meta charset="utf-8">
<style>
body {
font: 10px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.x.axis path {
display: none;
}
.line {
fill: none;
stroke: steelblue;
stroke-width: 3px;
}
</style>
<body>
<script src="http://d3js.org/d3.v3.js"></script>
<script>
Parse.initialize("6EnLIzyHrrOymib3oID8OOMxuQzv8jYajyCFksdC", "oNFjekXsjnZ2olcwqXrq76MQp6zOHEJUr3FQjhZu");
var TestObject = Parse.Object.extend("DiverData");
var testObject = new TestObject();
var query = new Parse.Query(TestObject);
var data = [];
//get all data from parse. this is likely where you can place an offset. You want the second query of 1000 to be an object not array.
query.find({
//on success populate data points
success:function(list) {
// console.log("LIST\n" + list);
for (var i = 0; i < list.length; i++) {
var point = {}
point.date = list[i].get("timeOfDataCollection" );
point.pressure = list[i].get("pressure");
data.push(point);
}//after we populate datapoints render the graph
drawGraph();
}
});
// var data = [
// {'date': new Date(2015, 2, 25,13,00,0,0), 'temp': 100},
// {'date': new Date(2015, 2, 25,13,02,0,0), 'temp': 90},
// {'date': new Date(2015, 2, 25,13,03,0,0), 'temp': 80},
// {'date': new Date(2015, 2, 25,13,04,0,0), 'temp': 81},
// {'date': new Date(2015, 2, 25,13,05,0,0), 'temp': 62}
// ];
//http://bl.ocks.org/mbostock/3883245
function drawGraph() {
var margin = {top: 20, right: 20, bottom: 30, left: 50},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var parseDate = d3.time.format("%d-%b-%y").parse;
var x = d3.time.scale()
.range([0, width]);
var y = d3.scale.linear()
.range([height, 0]);
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left");
var line = d3.svg.line()
.x(function(d) { return x(d.date); })
.y(function(d) { return y(d.pressure); });
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 + ")");
x.domain(d3.extent(data, function(d) { return d.date; }));
y.domain(d3.extent(data, function(d) { return d.pressure; }));
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
svg.append("g")
.attr("class", "y axis")
.call(yAxis)
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end")
.text("Price ($)");
svg.append("path")
.datum(data)
.attr("class", "line")
.attr("d", line);
}
</script>
<script>
</script>
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