heavyai-charting/example/exampleContour.html
Joe O'Hallaron 4896c4cfa2
Contour filtering fix (#602)
* Add spaces when joining with AND, works right now but looks funky
* filter any non existent filters, fix indentation in example
* More careful filtering of filter transforms, only take the goodn's
* Add method to remove layer by name
* Add method to add layer to the bottom of the stack
2022-11-28 15:05:26 -07:00

289 lines
8.4 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<link href='https://fonts.googleapis.com/css?family=Roboto:400,700,300' rel='stylesheet' type='text/css'>
<style>
.title {
font-weight: bold;
text-align:center;
}
.heavyai{
position: relative;
top: 2px;
}
.data-count{
padding-right:20px;
}
.filter-count{
font-weight: bold;
color: #45B1E8;
}
</style>
<title>Contour Example</title>
</head>
<body>
<nav class="navbar navbar-default">
<div class="container-fluid">
<div class="navbar-header" style="margin-top:10px">
<span class="heavyai">HEAVY.AI Demo</span>
</div>
<div class="navbar-text navbar-right">
<div class="data-count"></div>
</div>
</div>
</nav>
<div class="main-container">
<div>
<div class="title">Contour Map</div>
<div id="contourChart"></div>
</div>
</div>
<script src="https://code.jquery.com/jquery-2.2.4.min.js" integrity="sha256-BbhdlvQf/xTY9gja0Dq3HiwQF8LaCRTXxZKRutelT44=" crossorigin="anonymous"></script>
<script src="assets/app.bundle.js"></script>
<script>
function createCharts(crossFilter, dc, config, con) {
var w = Math.max(document.documentElement.clientWidth, window.innerWidth || 0)
var h = Math.max(document.documentElement.clientHeight, window.innerHeight || 0) - 100
// Linemap Chart
const parent = document.getElementById("contourChart");
const mapboxToken = "pk.eyJ1IjoibWFwZCIsImEiOiJjaWV1a3NqanYwajVsbmdtMDZzc2pneDVpIn0.cJnk8c2AxdNiRNZWtx5A9g";
const countGroup = crossFilter.groupAll();
dc.countWidget(".data-count")
.dimension(crossFilter)
.group(countGroup);
const ContourChart = dc.rasterChart(parent, true, null, mapboxgl)
.con(con)
.height(h)
.width(w)
.mapUpdateInterval(750)
.mapStyle('mapbox://styles/mapbox/light-v8')
.mapboxToken(mapboxToken) // need a mapbox accessToken for loading the tiles
.popupSearchRadius(2)
.useGeoTypes(true) // need for projecting geo column using "mercator_map_projection"
const isMajorFieldName = "is_major"
const contourPolygonLayer = dc.rasterLayer("polys")
.crossfilter(crossFilter)
.setState({
data: [
{
type: "contour",
table: config.table,
source: config.table,
contour_value_field: config.value,
lat_field: config.lat_field,
lon_field: config.lon_field,
agg_type: 'AVG',
fill_agg_type: 'AVG',
bin_dim_meters: config.bin_dim_meters,
neighborhood_fill_radius: 0,
fill_only_nulls: false,
flip_latitude: false,
contour_offset: 0,
intervals: {
isMajorFieldName,
major: config.major_contour_interval,
minor: config.minor_contour_interval
}
}
],
transform: {
projection: "mercator_map_projection",
},
mark: {
type: "poly",
strokeColor: "white",
strokeWidth: 0,
fillColor: "",
lineJoin: "miter",
miterLimit: 10
},
encoding: {
geocol: "contour_polygons",
color: {
type: "linear",
domain: [0, 6000],
range: ["#FF0000", "#0000FF"],
opacity: 0.50
}
},
enableHitTesting: false
})
// .popupColumns(["contour_values"])
// .popupColumnsMapped({"contour_values": "Contour Value"})
const contourLayer = dc.rasterLayer("lines")
.crossfilter(crossFilter)
.setState({
data: [{
type: "contour",
table: config.table,
source: config.table,
contour_value_field: config.value,
lat_field: config.lat_field,
lon_field: config.lon_field,
agg_type: 'AVG',
fill_agg_type: 'AVG',
bin_dim_meters: config.bin_dim_meters,
neighborhood_fill_radius: 0,
fill_only_nulls: false,
flip_latitude: false,
contour_offset: 0,
intervals: {
isMajorFieldName,
major: config.major_contour_interval,
minor: config.minor_contour_interval
}
}],
transform: {
projection: "mercator_map_projection",
},
mark: {
type: "lines",
lineJoin: "bevel",
},
encoding: {
geocol: "contour_lines",
color: {
field: isMajorFieldName,
type: "nominal",
scale: {
domain: [false, true],
range: ["#666666", "#666666"]
}
},
strokeWidth: {
field: isMajorFieldName,
type: "nominal",
scale: {
domain: [false, true],
range: [1, 2]
}
},
opacity: {
field: isMajorFieldName,
type: "nominal",
scale: {
domain: [false, true],
range: [0.75, 0.8]
}
}
},
enableHitTesting: true
})
.popupColumns(["contour_values"])
.popupColumnsMapped({"contour_values": "Contour Value"})
.popupStyle({
fillColor: "#cccccc",
strokeColor: "#cccccc",
strokeWidth: 1
})
ContourChart
.pushLayer("contourPolygonLayer", contourPolygonLayer)
.pushLayer("contourLayer", contourLayer)
.init()
.then((chart) => {
// This will zoom to data extent
chart.zoomToLocation({
bounds: {
sw: [-109.5400307407924, 36.77053773368342],
ne: [-101.56912902650292, 41.34207288081009]
}
})
dc.renderAllAsync()
// hover effect with popup
function displayPopupWithData (event) {
chart.getClosestResult(event.point, chart.displayPopup)
}
var debouncedPopup = _.debounce(displayPopupWithData, 250)
chart.map().on('mousewheel', () => chart.hidePopup());
chart.map().on('mousemove', () => chart.hidePopup())
chart.map().on('mousemove', debouncedPopup)
})
window.addEventListener("resize", _.debounce(resizeAll, 100));
function resizeAll(){
var w = Math.max(document.documentElement.clientWidth, window.innerWidth || 0)
var h = Math.max(document.documentElement.clientHeight, window.innerHeight || 0) - 100
ContourChart.map().resize();
ContourChart.isNodeAnimate = false;
ContourChart
.width(w)
.height(h)
.render()
dc.redrawAllAsync();
}
}
function init() {
const coloradoDEMConfig = {
table: "colorado_dem",
lat_field: "raster_lat",
lon_field: "raster_lon",
value: "z",
bin_dim_meters: 90,
minor_contour_interval: 100,
major_contour_interval: 500
}
const nwsPrecipitationConfig = {
table: "nws_precip_last7days_20221005_conus",
lat_field: "raster_lat",
lon_field: "raster_lon",
value: "band_1_1",
bin_dim_meters: 10000,
minor_contour_interval: 1,
major_contour_interval: 3
}
const nwsPercentageOfNormalConfig = {
table: "nws_precip_last7days_20221005_conus",
lat_field: "raster_lat",
lon_field: "raster_lon",
value: "band_1_4",
bin_dim_meters: 10000,
minor_contour_interval: 100,
major_contour_interval: 500
}
const config = coloradoDEMConfig;
const con = new DbCon()
.protocol("https")
.host("metis.mapd.com")
.port("443")
.dbName("mapd")
.user("mapd")
.password("HyperInteractive")
.connect(function(error, con) {
crossfilter.crossfilter(con, config.table)
.then(function(cf) {
createCharts(cf, dc, config, con)
})
;
});
}
document.addEventListener('DOMContentLoaded', init, false);
</script>
</body>
</html>