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dynamic url functionality inspired by @gena_d

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This commit is contained in:
Ollie Ballinger
2022-02-23 13:57:03 +00:00
committed by GitHub
parent ecd2f5bbf5
commit 636514257b
1 changed files with 67 additions and 47 deletions
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60
RIT.js
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@@ -3,6 +3,7 @@
// Most of the RFI caused by ground-based systems are military radars
// Investigating the spatial and temporal characteristics of the signal can yield information on the deployment of military radar systems
// Below is an overview of the 10 sections
// 1. Load Data
@@ -44,8 +45,6 @@ var vh = sentinel1
var vhA = vh.filter(ee.Filter.eq("orbitProperties_pass", "ASCENDING"));
var vhD = vh.filter(ee.Filter.eq("orbitProperties_pass", "DESCENDING"));
//print(ee.Date(vhD.first().get('system:time_start')))
print(vhD.filter(ee.Filter.eq("platform_number", "A")).first());
// --------------------- Step 2: Configure Map --------------------------------
// Create the main map
@@ -106,11 +105,12 @@ var layerProperties = {
// Get keys from dictionary
var selectItems = Object.keys(layerProperties);
var defaultLayer = 1;
// Create dropdown menu to toggle between imagery aggregated at different timescales
var layerSelect = ui.Select({
// Create dropdown menfu to toggle between imagery aggregated at different timescales
var layerSelect = ui
.Select({
items: selectItems,
value: selectItems[1],
onChange: function (selected) {
// Loop through the map layers and compare the selected element to the name
// of the layer. If they're the same, show the layer and set the
@@ -132,7 +132,8 @@ var layerSelect = ui.Select({
);
});
},
});
})
.setValue(selectItems[defaultLayer]);
// --------------------- Step 5: Create Opacity Slider --------------------------------
@@ -162,7 +163,7 @@ var viewPanel = ui.Panel({
// Get date range for Sentinel-1 imagery, backdate current date by one week to ensure imagery is available
var start = ee.Date(sentinel1.first().get("system:time_start"));
var now = ee.Date(Date.now()).advance(-1, "week");
var now = ee.Date(Date.now()); //.advance(-1, "week");
// Format date to display it to the user
var date = ui.Label(now.format("MMMM dd, YYYY").getInfo());
@@ -232,16 +233,14 @@ var slide = function (range) {
};
// Create dateSlider to trigger the function Slide function
var dateSlider = ui
.DateSlider({
var dateSlider = ui.DateSlider({
start: start,
end: now,
value: null,
period: 1,
onChange: slide,
style: { height: "0px" },
})
.setValue(now);
});
// --------------------- Step 7: Create RFI Chart --------------------------------
@@ -254,6 +253,10 @@ var latlon = ui.Label();
// Generates a new time series chart of RFI for the given coordinates.
var generateChart = function (coords) {
// Update the lon/lat panel with values from the click event.
ui.url.set("lon", coords.lon.toFixed(4));
ui.url.set("lat", coords.lat.toFixed(4));
ui.url.set("zoom", mapPanel.getZoom());
var latlonStr = coords.lat.toFixed(2) + ", " + coords.lon.toFixed(2);
latlon.setValue("Coordinates: " + latlonStr);
@@ -291,6 +294,10 @@ var generateChart = function (coords) {
inspectorPanel.widgets().set(3, rfiChart);
var getDate = function (callback) {
dateSlider.setValue(ee.Date(callback));
ui.url.set("date", ee.Date(callback).format().getInfo());
print(ee.Date(ee.Date(callback).format().getInfo()));
var now = ee.Date(callback);
};
rfiChart.onClick(getDate);
};
@@ -458,15 +465,15 @@ var loc1_function = function () {
// Dimona Radar Facility
var loc2_function = function () {
var lab1 = ui.Label(
'Located in Israel\'s Negev Desert, the Dimona Radar Facility is a "top-secret X-band radar staffed by around 120 American technicians".',
"Located in Israel's Negev Desert, the Dimona Radar Facility is an X-band radar operated by the U.S. Military.",
{},
"http://content.time.com/time/world/article/0,8599,1846749,00.html"
"https://web.archive.org/web/20081009203106/http://afp.google.com/article/ALeqM5gJP55YHdqMPMI7rhCh3tZCGxl0Pw"
);
var lab2 = ui.Label(
"The radar can monitor the take-off of any aircraft or missile up to 1,500 miles away, which would give Israel an extra 60-70 seconds to react if Iran fired a missile. The radar is so powerful that Israeli officials feared that RFI would impact the accuracy of anti-tank missiles being tested nearby."
"Though the point is centered on these large radar antennae, an X-band radar would probably not interfere with Sentinel-1's C-band instrument. The actual source of the observed RFI seems to be Israel's Negev Nuclear Research Center, \"a top-secret military site where Israel is widely believed to have developed the only nuclear arsenal in the Middle East\", located in the same valley just a few kilometers to the north. The radar was installed in 2008 to provide early warning against possible Iranian missile attacks. "
);
var lab3 = ui.Label(
"Though the point is centered on the large X-band radar antenna, the actual source of the observed RFI seems to be Israel's Negev Nuclear Research Center, located in the same valley just a few kilometers to the north. The RFI Graph above shows consistent and strong interference since 2017."
"The RFI Graph above shows consistent and strong interference since 2015."
);
configureExample([lab1, lab2, lab3], 0.8);
@@ -584,16 +591,32 @@ var locationPanel = ui.Panel([
mapPanel.onClick(generateChart);
// Configure the map.
mapPanel.setOptions("Satellite");
mapPanel.setOptions("Hybrid");
mapPanel.style().set("cursor", "crosshair");
// Initialize with a test point.
var initialPoint = ee.Geometry.Point(49.950656, 26.605644);
var lon = ui.url.get("lon", -9999);
var lat = ui.url.get("lat", -9999);
var zoom = ui.url.get("zoom", -9999);
var urldate = ui.url.get("date", -9999);
if (lon != -9999 && lat != -9999) {
mapPanel.setCenter(lon, lat, zoom);
var now = ee.Date(urldate);
//var date= ui.Label(urldate.format("MMMM dd, YYYY").getInfo());
var initialPoint = ee.Geometry.Point(lon, lat);
} else {
// defauilt location
mapPanel.centerObject(initialPoint, 11);
}
//mapPanel.centerObject(initialPoint, 11);
// Add all of the modules created above to the User Interface Panel
inspectorPanel.add(intro);
inspectorPanel.add(dateSlider);
inspectorPanel.add(dateSlider.setValue(now));
inspectorPanel.add(ui.Panel([latlon], ui.Panel.Layout.flow("horizontal")));
inspectorPanel.add(ui.Label("placeholder"));
inspectorPanel.add(
@@ -628,6 +651,3 @@ generateChart({
// Optional: add country outlines
// mapPanel.layers().set(5, country_layer)
// Add imagery aggregated by month by default.
mapPanel.layers().get(1).setShown(true);