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@andy-esch
Last active June 25, 2019 12:12
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moran's i scatter plot
<!DOCTYPE html>
<html>
<meta charset="utf-8">
<style>
body {
font: 10px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.dot {
stroke: #000;
}
circle {
fill-opacity: .7;
}
circle.hidden {
fill: #ccc !important;
}
.extent {
fill: #000;
fill-opacity: .125;
stroke: #fff;
}
</style>
<body>
<script src="http://d3js.org/d3.v4.min.js"></script>
<!-- <script src="https://cartodb-libs.global.ssl.fastly.net/carto.js/v4.0.0-beta/carto.min.js"></script> -->
<script>
var margin = {top: 20, right: 20, bottom: 30, left: 40},
width = 640 - margin.left - margin.right,
height = 640 - margin.top - margin.bottom;
// data scaler (takes data to range 0,width)
var x = d3.scaleLinear()
.range([0, width]);
// data scaler (takes data to range height,0)
var y = d3.scaleLinear()
.range([height, 0]);
// colors
var color = d3.scaleOrdinal(d3.schemeCategory10);
var xAxis = d3.axisBottom()
.scale(x);
var yAxis = d3.axisLeft()
.scale(y);
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 + ")");
d3.csv("http://eschbacher.carto.com/api/v2/sql?q=select+cartodb_id,quads,orig_val_std+as+val,spatial_lag_std+as+spatial_lag,significance+from+moran_i_output_2+order+by+random()+limit+all&format=csv", (error, data) => {
if (error) throw error;
// convert to numbers
data.forEach(function(d) {
d.spatial_lag = +d.spatial_lag;
d.val = +d.val;
});
// set domain centered on zero, symmetric on max values
var xmax = 1.1 * d3.max(data, (d) => { return d.val });
var ymax = 1.1 * d3.max(data, (d) => { return d.spatial_lag });
x.domain([-xmax, xmax]).nice();
y.domain([-ymax, ymax]).nice();
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height / 2 + ")")
.call(xAxis)
.append("text")
.attr("class", "label")
.attr("x", width)
.attr("y", -6)
.style("text-anchor", "end")
.text("Value");
svg.append("g")
.attr("class", "y axis")
.attr("transform", "translate(" + width / 2 + ",0)")
.call(yAxis)
.append("text")
.attr("class", "label")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end")
.text("Spatial Lag");
// TODO: have a slider change the value of the significance
svg.selectAll(".dot")
.data(data)
.enter().append("circle")
.attr("class", "dot")
.attr("r", 3.5)
.attr("cx", (d) => { return x(d.val); })
.attr("cy", (d) => { return y(d.spatial_lag); })
.style("fill", (d) => { return color(d.quads); })
.style("opacity", opacityFunc);
var legend = svg.selectAll(".legend")
.data(color.domain())
.enter().append("g")
.attr("class", "legend")
.attr("transform", (d, i) => { return "translate(0," + i * 20 + ")"; });
legend.append("rect")
.attr("x", width - 18)
.attr("width", 18)
.attr("height", 18)
.style("fill", color);
legend.append("text")
.attr("x", width - 24)
.attr("y", 9)
.attr("dy", ".35em")
.style("text-anchor", "end")
.text((d) => { return d; });
// Clear the previously-active brush, if any.
// function brushstart(p) {
// if (brushCell !== this) {
// d3.select(brushCell).call(brush.clear());
// // x.domain(domainByTrait[p.x]);
// // y.domain(domainByTrait[p.y]);
// brushCell = this;
// }
// console.log('making brushing', this);
// }
// Highlight the selected circles.
function brushmove() {
var s = d3.event.selection,
x0 = s[0][0],
y0 = s[0][1],
dx = s[1][0] - x0,
dy = s[1][1] - y0;
svg.selectAll('circle')
.style("opacity", (d) => {
if (x(d.val) >= x0 && x(d.val) <= x0 + dx && y(d.spatial_lag) >= y0 && y(d.spatial_lag) <= y0 + dy)
{
// console.log(d.cartodb_id);
return 1;
}
else {
return 0.3;
}
});
}
// If the brush is empty, select all circles.
function brushend() {
if (!d3.event.selection) {
svg.selectAll('circle')
.transition()
.duration(150)
.ease(d3.easeLinear)
.style("opacity", opacityFunc);
}
// console.log(d3.event.selection);
}
// });
var brushCell;
var brush = d3.brush()
.extent([[0, 0], [width, height]])
// .x(x)
// .y(y)
// .on("brushstart", brushstart)
.on("brush", brushmove)
.on("end", brushend);
// .on("brushend", brushend);
svg.call(brush);
});
function opacityFunc(d) {
return d.significance <= 0.05 ? 1.0 : 0.5 * d.significance;
}
// var slider = svg.append("g")
// .attr("class", "slider")
// .attr("transform", "translate(" + margin.left + "," + 1.2 * height + ")");
//
// slider.append("line")
// .attr("class", "track")
// .attr("x1", x.range()[0])
// .attr("x2", x.range()[1])
// .select(function() { return this.parentNode.appendChild(this.cloneNode(true)); })
// .attr("class", "track-inset")
// .select(function() { return this.parentNode.appendChild(this.cloneNode(true)); })
// .attr("class", "track-overlay")
// .call(d3.drag()
// .on("start.interrupt", function() { slider.interrupt(); })
// .on("start drag", function() { hue(x.invert(d3.event.x)); }));
//
// slider.insert("g", ".track-overlay")
// .attr("class", "ticks")
// .attr("transform", "translate(0," + 18 + ")")
// .selectAll("text")
// .data(x.ticks(10))
// .enter().append("text")
// .attr("x", x)
// .attr("text-anchor", "middle")
// .text(function(d) { return d + "°"; });
//
// var handle = slider.insert("circle", ".track-overlay")
// .attr("class", "handle")
// .attr("r", 9);
//
// slider.transition() // Gratuitous intro!
// .duration(750)
// .tween("hue", function() {
// var i = d3.interpolate(0, 70);
// return function(t) { hue(i(t)); };
// });
//
// function hue(h) {
// handle.attr("cx", x(h));
// svg.style("background-color", d3.hsl(h, 0.8, 0.8));
// }
// d3.slider().on("slide", function(evt, value) {
// console.log(evt, value);
// d3.select('circle').style("opacity", opacityFunc);
// });
</script>
</body>
</html>
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