node-red-contrib-tak-registration
Version:
A Node-RED node to register to TAK and to help wrap files as datapackages to send to TAK
118 lines (98 loc) • 3.57 kB
HTML
<html lang="en">
<head>
<meta charset="UTF-8">
<title>IsoBands example</title>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script src="../../dist/marchingsquares-isolines.js"></script>
</head>
<body>
<div id="isocontours"></div>
<script>
var intervals = [-5, -4.5, -4.1, -4.05, -4, -3.9, -3.8, -3.7, -3.6, -3.5, -3.4, -3.3, -3.2, -3.1, -3.0, -2.5, -2, -1.5, -1, -0.5, 0];
var data = [
[0.0, 0.0, 0.0, 0.0, 0.0],
[0.0, -3.57, -4.12, -3.59, 0.0],
[0.0, -3.64, -4.21, -3.62, 0.0],
[-10.0, -3.57, -3.99, -3.79, 0.0],
[0.0, -3.75, -4.11, -3.94, 0.0],
[0.0, -4.0, -3.98, -4.08, 0.0],
[0.0, -4.09, -4.04, 0.0, 0.0],
[0.0, 0.0, 0.0, 0.0, 0.0]
];
var xs = d3.range(0, data[0].length);
var ys = d3.range(0, data.length);
var isoLines = [];
MarchingSquaresJS
.isoLines(data,
intervals,
{
polygons: false,
linearRing: false
}
)
.forEach(function(isolines, i) {
isoLines.push({
"coords": isolines,
"level": i + 1,
"val": intervals[i]});
});
drawLines('#isocontours', isoLines, intervals);
// helper function
function drawLines(divId, lines, intervals) {
var marginBottomLabel = 0;
var width = 300;
var height = width * (ys.length / xs.length);
var xScale = d3.scale.linear()
.range([0, width])
.domain([Math.min.apply(null, xs), Math.max.apply(null, xs)]);
var yScale = d3.scale.linear()
.range([0, height])
.domain([Math.min.apply(null, ys), Math.max.apply(null, ys)]);
var colours = d3.scale.linear().domain([intervals[0], intervals[intervals.length - 1]])
.range([d3.rgb(0, 0, 0),
d3.rgb(200, 200, 200)]);
var svg = d3.select(divId)
.append("svg")
.attr("width", width)
.attr("height", height + marginBottomLabel);
svg.selectAll("path")
.data(lines)
.enter().append("path")
.style("fill", "none")
.style("stroke", function (d) {
return colours(d.val);
})
.style("stroke-width", 1)
.style('opacity', 1.0)
.attr("d", function (d) {
var p = "";
d.coords.forEach(function (aa) {
p += (d3.svg.line()
.x(function (dat) {
return xScale(dat[0]);
})
.y(function (dat) {
return yScale(dat[1]);
})
.interpolate("linear")
)(aa) + "";
});
return p;
})
.on('mouseover', function () {
d3.select(this)
.style('stroke', d3.rgb(204, 185, 116))
.style("stroke-width", 3);
})
.on('mouseout', function () {
d3.select(this)
.style('stroke', function (d1) {
return colours(d1.val);
})
.style("stroke-width", 1);
});
}
</script>
</body>
</html>