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hiform.js
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hiform.js
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var table = ee.FeatureCollection('users/srs4854gee/fs_proclaimed_042622');
var table2 = ee.FeatureCollection('users/srs4854gee/fs_surface_own_042622');
////////////////////////////////////////////////////////////////
// HIFORM NDVI CHANGE SCRIPT (https://HiForm.org)
////////////////////////////////////////////////////////////////
// 'Absolute Change in NDVI' using Sentinel-2 and Landsat image collections
// FS vs non-FS exporting, see line 1260 - selection sets export beharior
// Bill Christie, RS/GIS Analyst, USFS, Southern Research Station, [email protected]
// Steve Norman, Research Landscape Ecologist, USFS, Southern Research Station, [email protected]
// Resources - https://hiform.org/mapping-workflow
// https://forestthreats.org;
// find cloudfree1 - https://apps.sentinel-hub.com/eo-browser/?zoom=5&lat=38.32442&lng=-103.22754&themeId=DEFAULT-THEME&toTime=2021-06-11T10%3A59%3A39.478Z
// find cloudfree2 - https://showcase.earthengine.app/view/s2-sr-browser-s2cloudless-nb
// christie maintenance - bottom of script
////////////////////////////////////////////////////////////////
// Customization of user interface -
// Dave Michelson ([email protected])
// Jeff Bliss ([email protected])
// Sean Matthew ([email protected])
// https://nemac.unca.edu/
////////////////////////////////////////////////////////////////
// select a proclaimed boundary for analysis (based on choice use lines 70-73 to modify 65-67)
// // var proclaimed = table.filter(ee.Filter.eq("UNIT_NM",'Nantahala National Forest'));
// // var proclaimed = table.filter(ee.Filter.eq("UNIT_NM",'Pisgah National Forest'));
// // var proclaimed = table.filter(ee.Filter.eq("UNIT_NM",'Uwharrie National Forest'));
// // var proclaimed = table.filter(ee.Filter.eq("UNIT_NM",'Croatan National Forest'));
// var proclaimed = table.filter(ee.Filter.eq("UNIT_NM",'De Soto National Forest'));
// // var empty = ee.Image().byte();
// // var outline = empty.paint({
// // featureCollection: surfown,
// // color: 1,
// // width: 1});
// // Map.addLayer(outline, {palette: '66ff00'}, 'NF outline ras');
// // Map.addLayer(surfown, {palette: '66ff00'}, 'NF outline poly');
// var geometry = proclaimed;
////////////////////////////////////////////////////////////////
// Imports from other scripts
var helperFunctionsImport = require('users/jbliss/hiform:HiForm_Multiple_Scripts/HelperFunctions');
var stdDeviationImport = require('users/jbliss/hiform:HiForm_Multiple_Scripts/StandardDeviation');
var removeLayerByName = helperFunctionsImport.removeLayerByName;
var checkIfDateOkay = helperFunctionsImport.checkIfDateOkay;
var getLayer = helperFunctionsImport.getLayer;
/////////////////////////////////////////////////////////////////
// BEGIN GLOBAL VARIABLES AND CONSTANTS
/////////////////////////////////////////////////////////////////
// Creates the map
var map = Map;
var user = 'FS'; // all 3 unsubmitted, DEFAULT state
//var user = 'NonFS'; // all 3 auto-export to g-drive
// limit draw tools to just polygon
var drawingTools = Map.drawingTools();
drawingTools.setDrawModes(['polygon', 'point']);
map.setControlVisibility(true);
var lng = ui.url.get('lng', -82.5795);
var lat = ui.url.get('lat', 35.592);
var mapZoom = ui.url.get('mapZoom', 12);
// center on a nf
// NC, Nantahala National Forest, -83.4096, 35.2092, 10
// NC, Pisgah National Forest, -82.3858, 35.8885, 9
// NC, Uwharrie National Forest, -79.9358, 35.3996, 10
// NC, Croatan National Forest, -77.0347, 34.899, 10
// MS, Desoto National Forest, -88.9908, 30.8506, 10
map.setCenter(lng, lat, mapZoom);
var preImageGreenestClip; // includes date and chosen index (NDVI at the moment)
var postImageGreenestClip; // includes date and chosen index (NDVI at the moment)
var ndviChangeProduct; // NDVI product
var exportImageGeometry; // Capture map extent when "Do the change analysis" is clicked and use for export
var defaultSatellite = ui.url.get('satellite', 'Sentinel 2 TOA');
var currentDate = ee.Date(Date.now()).format('yyyy-MM-dd').getInfo();
var mapExtentBufferMultiplier = 1;
var inspectorLabelDefaultMsg = 'Click on a location for: \n- Dates used\n- NDVI\n- Min and max values';
var SATELLITE_PROPERTIES = {
// 'Landsat 5 TOA': {
// 'satellite': 'LANDSAT/LT05/C02/T1_TOA',
// 'scale': 30,
// 'bands': { 'blue': 'B1', 'green': 'B2', 'red': 'B3', 'nir': 'B4', 'swir1': 'B5', 'swir2': 'B7' },
// 'min': 0,
// 'max': 0.4,
// 'startDate': '1984-03 to 2012-05',
// 'endDate': '2012-05-05'
// },
// 'Landsat 5 SR': {
// 'satellite': 'LANDSAT/LT05/C02/T1_L2',
// 'scale': 30,
// 'bands': { 'blue': 'SR_B1', 'green': 'SR_B2', 'red': 'SR_B3', 'nir': 'SR_B4', 'swir1': 'SR_B5', 'swir2': 'SR_B7', },
// 'min': 5000,
// 'max': 15000,
// 'startDate': '1984-03 to 2012-05',
// 'endDate': '2012-05-05'
// },
'Landsat 8 Real-Time': {
satellite: 'LANDSAT/LC08/C02/T1_RT_TOA',
bands: { blue: 'B2', green: 'B3', red: 'B4', nir: 'B5', swir1: 'B6', swir2: 'B7' },
scale: 30,
min: 0.03,
max: 0.2,
startDate: '2013-03-18',
endDate: currentDate,
},
// 'Landsat 8 TOA': {
// 'satellite': 'LANDSAT/LC08/C02/T1_TOA',
// 'scale': 30,
// 'bands': { 'blue': 'B2', 'green': 'B3', 'red': 'B4', 'nir': 'B5', 'swir1': 'B6', 'swir2': 'B7', },
// 'min': 0,
// 'max': 0.4,
// 'startDate': '2013',
// 'endDate': currentDate
// },
// 'Landsat 8 SR': {
// 'satellite': 'LANDSAT/LC08/C02/T1_L2',
// 'scale': 30,
// 'bands': { 'blue': 'SR_B2', 'green': 'SR_B3', 'red': 'SR_B4', 'nir': 'SR_B5', 'swir1': 'SR_B6', 'swir2': 'SR_B7', },
// 'min': 5000,
// 'max': 15000,
// 'startDate': '2013',
// 'endDate': currentDate
// },
// 'Landsat 9 TOA': {
// 'satellite': 'LANDSAT/LC09/C02/T1_TOA',
// 'scale': 30,
// 'bands': { 'blue': 'B2', 'green': 'B3', 'red': 'B4', 'nir': 'B5', 'swir1': 'B6', 'swir2': 'B7', },
// 'min': 0.03,
// 'max': 0.2,
// 'startDate': '2021-10-31',
// 'endDate': currentDate
// },
// 'Landsat 9 SR': {
// 'satellite': 'LANDSAT/LC09/C02/T1_L2',
// 'scale': 30,
// 'bands': { 'blue': 'SR_B2', 'green': 'SR_B3', 'red': 'SR_B4', 'nir': 'SR_B5', 'swir1': 'SR_B6', 'swir2': 'SR_B7', },
// 'min': 7500,
// 'max': 15000,
// 'startDate': '2021-10-31',
// 'endDate': currentDate
// },
'Sentinel 2 TOA': {
satellite: 'COPERNICUS/S2_HARMONIZED',
scale: 10,
bands: {
blue: 'B2',
green: 'B3',
red: 'B4',
nir: 'B8',
'red edge 4': 'B8A',
cirrus: 'B10',
swir1: 'B11',
swir2: 'B12',
ndvi: 'NDVI',
},
falseAgMin: 0,
falseAgMax: 0.4,
min: 300,
max: 1500,
startDate: '2015-06-23',
endDate: currentDate,
},
'Sentinel 2 SR': {
satellite: 'COPERNICUS/S2_SR_HARMONIZED',
scale: 10,
bands: {
blue: 'B2',
green: 'B3',
red: 'B4',
nir: 'B8',
'red edge 4': 'B8A',
cirrus: 'B10',
swir1: 'B11',
swir2: 'B12',
ndvi: 'NDVI',
},
falseAgMin: 0,
falseAgMax: 0.4,
min: 300,
max: 1500,
startDate: '2017-03-28',
endDate: currentDate,
},
// The combined objects below have this weirdish looking thing for the "bands" key but it's
// done this way so we don't have to rewrite everything else. Essentially the "sat0Bands" and "sat1Bands"
// objects help the combiner resolve what band is associated with what and then the "bands"
// object exists so other functions that look up key.bands don't have to be rewritten just for combined
// satellites. e.g. key.bands.blue returns "blue" instead of "B1" and the visualizer resolves it just fine
'L5/L8 TOA Combined': {
combined: true,
keys: ['Landsat 5 TOA', 'Landsat 8 TOA'],
sat0: 'LANDSAT/LT05/C02/T1_TOA',
sat0Bands: { blue: 'B1', green: 'B2', red: 'B3', nir: 'B4', swir1: 'B5', swir2: 'B7' },
sat1: 'LANDSAT/LC08/C02/T1_TOA',
sat1Bands: { blue: 'B2', green: 'B3', red: 'B4', nir: 'B5', swir1: 'B6', swir2: 'B7' },
bands: { blue: 'blue', green: 'green', red: 'red', nir: 'nir', swir1: 'swir1', swir2: 'swir2' },
startDate: '1984-03',
endDate: currentDate,
scale: 30,
min: 0,
max: 0.4,
},
'L5/L8 SR Combined': {
combined: true,
keys: ['Landsat 5 SR', 'Landsat 8 SR'],
sat0: 'LANDSAT/LT05/C02/T1_L2',
sat0Bands: { blue: 'SR_B1', green: 'SR_B2', red: 'SR_B3', nir: 'SR_B4', swir1: 'SR_B5', swir2: 'SR_B7' },
sat1: 'LANDSAT/LC08/C02/T1_L2',
sat1Bands: { blue: 'SR_B2', green: 'SR_B3', red: 'SR_B4', nir: 'SR_B5', swir1: 'SR_B6', swir2: 'SR_B7' },
bands: { blue: 'blue', green: 'green', red: 'red', nir: 'nir', swir1: 'swir1', swir2: 'swir2' },
startDate: '1984-03',
endDate: currentDate,
scale: 30,
min: 5000,
max: 15000,
},
'L8/L9 TOA Combined': {
combined: true,
keys: ['Landsat 8 TOA', 'Landsat 9 TOA'],
sat0: 'LANDSAT/LC08/C02/T1_TOA',
sat0Bands: { blue: 'B2', green: 'B3', red: 'B4', nir: 'B5', swir1: 'B6', swir2: 'B7' },
sat1: 'LANDSAT/LC09/C02/T1_TOA',
sat1Bands: { blue: 'B2', green: 'B3', red: 'B4', nir: 'B5', swir1: 'B6', swir2: 'B7' },
bands: { blue: 'blue', green: 'green', red: 'red', nir: 'nir', swir1: 'swir1', swir2: 'swir2' },
startDate: '2013',
endDate: currentDate,
scale: 30,
min: 0,
max: 0.4,
},
'L8/L9 SR Combined': {
combined: true,
sat0: 'LANDSAT/LC08/C02/T1_L2',
sat0Bands: { blue: 'SR_B2', green: 'SR_B3', red: 'SR_B4', nir: 'SR_B5', swir1: 'SR_B6', swir2: 'SR_B7' },
sat1: 'LANDSAT/LC09/C02/T1_L2',
sat1Bands: { blue: 'SR_B2', green: 'SR_B3', red: 'SR_B4', nir: 'SR_B5', swir1: 'SR_B6', swir2: 'SR_B7' },
bands: { blue: 'blue', green: 'green', red: 'red', nir: 'nir', swir1: 'swir1', swir2: 'swir2' },
startDate: '2013',
endDate: currentDate,
scale: 30,
min: 5000,
max: 15000,
},
};
var percentLegendPallete = {
'>25': '000096',
'11 to 25': '0000FF',
'6 to 10': '0070FF',
'-1 to 5': '6EBFFF',
'-2 to -3': 'F3F6F4',
'-4 to -6': 'D2D2D2',
'-7 to -9': 'FFFFBE',
'-10 to -12': 'FFFF00',
'-13 to -15': 'FFD37F',
'-16 to -18': 'FFAA00',
'-19 to -21': 'E64C00',
'-22 to -25': 'A80000',
'-26 to -29': '730000',
'-30 to -33': '343434',
'-34 to -37': '4C0073',
'< -37': '8400A8',
};
var absoluteLegendPallete = {
'>25': '000096',
'11 to 25': '0000FF',
'6 to 10': '0070FF',
'-3 to 5': '6EBFFF',
'-4 to -6': 'D2D2D2',
'-7 to -9': 'FFFFBE',
'-10 to -12': 'FFFF00',
'-13 to -15': 'FFD37F',
'-16 to -18': 'FFAA00',
'-19 to -21': 'E64C00',
'-22 to -25': 'A80000',
'-26 to -29': '730000',
'-30 to -33': '343434',
'-34 to -37': '4C0073',
'< -37': '8400A8',
};
// DN value to RGB colormap assignment
// Define an SLD style of discrete intervals to apply to the image.
var sld_intervals_absolute_ndvi =
'<RasterSymbolizer>' +
'<ColorMap type="intervals" extended="false" >' +
'<ColorMapEntry color="#000096" quantity="70" />' + //R 0;G 0 ;B 150; verydarkblue
'<ColorMapEntry color="#000096" quantity="69" />' +
'<ColorMapEntry color="#000096" quantity="68" />' +
'<ColorMapEntry color="#000096" quantity="67" />' +
'<ColorMapEntry color="#000096" quantity="66" />' +
'<ColorMapEntry color="#000096" quantity="65" />' +
'<ColorMapEntry color="#000096" quantity="64" />' +
'<ColorMapEntry color="#000096" quantity="63" />' +
'<ColorMapEntry color="#000096" quantity="62" />' +
'<ColorMapEntry color="#000096" quantity="62" />' +
'<ColorMapEntry color="#000096" quantity="61" />' +
'<ColorMapEntry color="#000096" quantity="60" />' +
'<ColorMapEntry color="#000096" quantity="59" />' +
'<ColorMapEntry color="#000096" quantity="58" />' +
'<ColorMapEntry color="#000096" quantity="57" />' +
'<ColorMapEntry color="#000096" quantity="56" />' +
'<ColorMapEntry color="#000096" quantity="55" />' +
'<ColorMapEntry color="#000096" quantity="54" />' +
'<ColorMapEntry color="#000096" quantity="53" />' +
'<ColorMapEntry color="#000096" quantity="52" />' +
'<ColorMapEntry color="#000096" quantity="52" />' +
'<ColorMapEntry color="#000096" quantity="51" />' +
'<ColorMapEntry color="#000096" quantity="50" />' +
'<ColorMapEntry color="#000096" quantity="49" />' +
'<ColorMapEntry color="#000096" quantity="48" />' +
'<ColorMapEntry color="#000096" quantity="47" />' +
'<ColorMapEntry color="#000096" quantity="46" />' +
'<ColorMapEntry color="#000096" quantity="45" />' +
'<ColorMapEntry color="#000096" quantity="44" />' +
'<ColorMapEntry color="#000096" quantity="43" />' +
'<ColorMapEntry color="#000096" quantity="42" />' +
'<ColorMapEntry color="#000096" quantity="42" />' +
'<ColorMapEntry color="#000096" quantity="41" />' +
'<ColorMapEntry color="#000096" quantity="40" />' +
'<ColorMapEntry color="#000096" quantity="39" />' +
'<ColorMapEntry color="#000096" quantity="38" />' +
'<ColorMapEntry color="#000096" quantity="37" />' +
'<ColorMapEntry color="#000096" quantity="36" />' +
'<ColorMapEntry color="#000096" quantity="35" />' +
'<ColorMapEntry color="#000096" quantity="34" />' +
'<ColorMapEntry color="#000096" quantity="33" />' +
'<ColorMapEntry color="#000096" quantity="32" />' +
'<ColorMapEntry color="#000096" quantity="31" />' +
'<ColorMapEntry color="#000096" quantity="30" />' +
'<ColorMapEntry color="#000096" quantity="29" />' +
'<ColorMapEntry color="#000096" quantity="28" />' +
'<ColorMapEntry color="#000096" quantity="27" />' +
'<ColorMapEntry color="#000096" quantity="26" />' +
'<ColorMapEntry color="#0000FF" quantity="25" />' + //R 0;G 0 ;B 255; darkblue
'<ColorMapEntry color="#0000FF" quantity="24" />' +
'<ColorMapEntry color="#0000FF" quantity="23" />' +
'<ColorMapEntry color="#0000FF" quantity="22" />' +
'<ColorMapEntry color="#0000FF" quantity="22" />' +
'<ColorMapEntry color="#0000FF" quantity="21" />' +
'<ColorMapEntry color="#0000FF" quantity="20" />' +
'<ColorMapEntry color="#0000FF" quantity="19" />' +
'<ColorMapEntry color="#0000FF" quantity="18" />' +
'<ColorMapEntry color="#0000FF" quantity="17" />' +
'<ColorMapEntry color="#0000FF" quantity="16" />' +
'<ColorMapEntry color="#0000FF" quantity="15" />' +
'<ColorMapEntry color="#0000FF" quantity="14" />' +
'<ColorMapEntry color="#0000FF" quantity="13" />' +
'<ColorMapEntry color="#0000FF" quantity="12" />' +
'<ColorMapEntry color="#0000FF" quantity="11" />' +
'<ColorMapEntry color="#0070FF" quantity="10" />' + //R 0;G 112 ;B 255; mediumblue
'<ColorMapEntry color="#0070FF" quantity="09" />' +
'<ColorMapEntry color="#0070FF" quantity="08" />' +
'<ColorMapEntry color="#0070FF" quantity="07" />' +
'<ColorMapEntry color="#0070FF" quantity="06" />' +
'<ColorMapEntry color="#6EBFFF" quantity="05" />' + //R 110;G 190 ;B 255; lightblue
'<ColorMapEntry color="#6EBFFF" quantity="04" />' +
'<ColorMapEntry color="#6EBFFF" quantity="03" />' +
'<ColorMapEntry color="#6EBFFF" quantity="02" />' +
'<ColorMapEntry color="#6EBFFF" quantity="01" />' +
'<ColorMapEntry color="#6EBFFF" quantity="00" />' +
'<ColorMapEntry color="#6EBFFF" quantity="-01" />' + //R 110;G 190 ;B 255; lightblue
'<ColorMapEntry color="#6EBFFF" quantity="-02" />' + //R 110;G 190 ;B 255; lightblue
'<ColorMapEntry color="#6EBFFF" quantity="-03" />' + //R 110;G 190 ;B 255; lightblue
// '<ColorMapEntry color="#f3f6f4" quantity="-01" />' + //R 210;G 210;B 210; lightgrey
// '<ColorMapEntry color="#f3f6f4" quantity="-02" />' + //R 210;G 210;B 210; lightgrey
// '<ColorMapEntry color="#f3f6f4" quantity="-03" />' + //R 210;G 210;B 210; lightgrey
'<ColorMapEntry color="#D2D2D2" quantity="-04" />' + //R 210;G 210;B 210; lightgrey
'<ColorMapEntry color="#D2D2D2" quantity="-05" />' +
'<ColorMapEntry color="#D2D2D2" quantity="-06" />' +
'<ColorMapEntry color="#FFFFBE" quantity="-07" />' + //R 255;G 255;B 190; buffyellow
'<ColorMapEntry color="#FFFFBE" quantity="-08" />' +
'<ColorMapEntry color="#FFFFBE" quantity="-09" />' +
'<ColorMapEntry color="#FFFF00" quantity="-10" />' + //R 255;G 255;B 0; brightyellow
'<ColorMapEntry color="#FFFF00" quantity="-11" />' +
'<ColorMapEntry color="#FFFF00" quantity="-12" />' +
'<ColorMapEntry color="#FFD37F" quantity="-13" />' + //R 255;G 211;B 127; lightorange
'<ColorMapEntry color="#FFD37F" quantity="-14" />' +
'<ColorMapEntry color="#FFD37F" quantity="-15" />' +
'<ColorMapEntry color="#FFAA00" quantity="-16" />' + //R 255;G 170;B 0; redorange
'<ColorMapEntry color="#FFAA00" quantity="-17" />' +
'<ColorMapEntry color="#FFAA00" quantity="-18" />' +
'<ColorMapEntry color="#E64C00" quantity="-19" />' + //R 230;G 76;B 0; darkred
'<ColorMapEntry color="#E64C00" quantity="-20" />' +
'<ColorMapEntry color="#E64C00" quantity="-21" />' +
'<ColorMapEntry color="#A80000" quantity="-22" />' + //R 168;G 0;B 0; verydarkred
'<ColorMapEntry color="#A80000" quantity="-23" />' +
'<ColorMapEntry color="#A80000" quantity="-24" />' +
'<ColorMapEntry color="#A80000" quantity="-25" />' +
'<ColorMapEntry color="#730000" quantity="-26" />' + //R 115;G 0;B 0; beet
'<ColorMapEntry color="#730000" quantity="-27" />' +
'<ColorMapEntry color="#730000" quantity="-28" />' +
'<ColorMapEntry color="#730000" quantity="-29" />' +
'<ColorMapEntry color="#343434" quantity="-30" />' + //R 52;G 52;B 52; slate
'<ColorMapEntry color="#343434" quantity="-31" />' +
'<ColorMapEntry color="#343434" quantity="-32" />' +
'<ColorMapEntry color="#343434" quantity="-33" />' +
'<ColorMapEntry color="#4C0073" quantity="-34" />' + //R 76;G 0;B 115; darkpurple
'<ColorMapEntry color="#4C0073" quantity="-35" />' +
'<ColorMapEntry color="#4C0073" quantity="-36" />' +
'<ColorMapEntry color="#4C0073" quantity="-37" />' +
'<ColorMapEntry color="#8400A8" quantity="-38" />' + //R 132;G 0;B 168; purple
'<ColorMapEntry color="#8400A8" quantity="-39" />' +
'<ColorMapEntry color="#8400A8" quantity="-40" />' +
'<ColorMapEntry color="#8400A8" quantity="-41" />' +
'<ColorMapEntry color="#8400A8" quantity="-42" />' +
'<ColorMapEntry color="#8400A8" quantity="-43" />' +
'<ColorMapEntry color="#8400A8" quantity="-44" />' +
'<ColorMapEntry color="#8400A8" quantity="-45" />' +
'<ColorMapEntry color="#8400A8" quantity="-46" />' +
'<ColorMapEntry color="#8400A8" quantity="-47" />' +
'<ColorMapEntry color="#8400A8" quantity="-48" />' +
'<ColorMapEntry color="#8400A8" quantity="-49" />' +
'<ColorMapEntry color="#8400A8" quantity="-50" />' +
'<ColorMapEntry color="#8400A8" quantity="-51" />' +
'<ColorMapEntry color="#8400A8" quantity="-52" />' +
'<ColorMapEntry color="#8400A8" quantity="-53" />' +
'<ColorMapEntry color="#8400A8" quantity="-54" />' +
'<ColorMapEntry color="#8400A8" quantity="-55" />' +
'<ColorMapEntry color="#8400A8" quantity="-56" />' +
'<ColorMapEntry color="#8400A8" quantity="-57" />' +
'<ColorMapEntry color="#8400A8" quantity="-58" />' +
'<ColorMapEntry color="#8400A8" quantity="-59" />' +
'<ColorMapEntry color="#8400A8" quantity="-60" />' +
'<ColorMapEntry color="#8400A8" quantity="-61" />' +
'<ColorMapEntry color="#8400A8" quantity="-62" />' +
'<ColorMapEntry color="#8400A8" quantity="-63" />' +
'<ColorMapEntry color="#8400A8" quantity="-64" />' +
'<ColorMapEntry color="#8400A8" quantity="-65" />' +
'<ColorMapEntry color="#8400A8" quantity="-66" />' +
'<ColorMapEntry color="#8400A8" quantity="-67" />' +
'<ColorMapEntry color="#8400A8" quantity="-68" />' +
'<ColorMapEntry color="#8400A8" quantity="-69" />' +
'<ColorMapEntry color="#8400A8" quantity="-70" />' +
'</ColorMap>' +
'</RasterSymbolizer>';
var sld_intervals_percent_ndvi =
'<RasterSymbolizer>' +
'<ColorMap type="intervals" extended="false" >' +
'<ColorMapEntry color="#000096" quantity="70" />' + //R 0;G 0 ;B 150; verydarkblue
'<ColorMapEntry color="#000096" quantity="69" />' +
'<ColorMapEntry color="#000096" quantity="68" />' +
'<ColorMapEntry color="#000096" quantity="67" />' +
'<ColorMapEntry color="#000096" quantity="66" />' +
'<ColorMapEntry color="#000096" quantity="65" />' +
'<ColorMapEntry color="#000096" quantity="64" />' +
'<ColorMapEntry color="#000096" quantity="63" />' +
'<ColorMapEntry color="#000096" quantity="62" />' +
'<ColorMapEntry color="#000096" quantity="62" />' +
'<ColorMapEntry color="#000096" quantity="61" />' +
'<ColorMapEntry color="#000096" quantity="60" />' +
'<ColorMapEntry color="#000096" quantity="59" />' +
'<ColorMapEntry color="#000096" quantity="58" />' +
'<ColorMapEntry color="#000096" quantity="57" />' +
'<ColorMapEntry color="#000096" quantity="56" />' +
'<ColorMapEntry color="#000096" quantity="55" />' +
'<ColorMapEntry color="#000096" quantity="54" />' +
'<ColorMapEntry color="#000096" quantity="53" />' +
'<ColorMapEntry color="#000096" quantity="52" />' +
'<ColorMapEntry color="#000096" quantity="52" />' +
'<ColorMapEntry color="#000096" quantity="51" />' +
'<ColorMapEntry color="#000096" quantity="50" />' +
'<ColorMapEntry color="#000096" quantity="49" />' +
'<ColorMapEntry color="#000096" quantity="48" />' +
'<ColorMapEntry color="#000096" quantity="47" />' +
'<ColorMapEntry color="#000096" quantity="46" />' +
'<ColorMapEntry color="#000096" quantity="45" />' +
'<ColorMapEntry color="#000096" quantity="44" />' +
'<ColorMapEntry color="#000096" quantity="43" />' +
'<ColorMapEntry color="#000096" quantity="42" />' +
'<ColorMapEntry color="#000096" quantity="42" />' +
'<ColorMapEntry color="#000096" quantity="41" />' +
'<ColorMapEntry color="#000096" quantity="40" />' +
'<ColorMapEntry color="#000096" quantity="39" />' +
'<ColorMapEntry color="#000096" quantity="38" />' +
'<ColorMapEntry color="#000096" quantity="37" />' +
'<ColorMapEntry color="#000096" quantity="36" />' +
'<ColorMapEntry color="#000096" quantity="35" />' +
'<ColorMapEntry color="#000096" quantity="34" />' +
'<ColorMapEntry color="#000096" quantity="33" />' +
'<ColorMapEntry color="#000096" quantity="32" />' +
'<ColorMapEntry color="#000096" quantity="31" />' +
'<ColorMapEntry color="#000096" quantity="30" />' +
'<ColorMapEntry color="#000096" quantity="29" />' +
'<ColorMapEntry color="#000096" quantity="28" />' +
'<ColorMapEntry color="#000096" quantity="27" />' +
'<ColorMapEntry color="#000096" quantity="26" />' +
'<ColorMapEntry color="#0000FF" quantity="25" />' + //R 0;G 0 ;B 255; darkblue
'<ColorMapEntry color="#0000FF" quantity="24" />' +
'<ColorMapEntry color="#0000FF" quantity="23" />' +
'<ColorMapEntry color="#0000FF" quantity="22" />' +
'<ColorMapEntry color="#0000FF" quantity="22" />' +
'<ColorMapEntry color="#0000FF" quantity="21" />' +
'<ColorMapEntry color="#0000FF" quantity="20" />' +
'<ColorMapEntry color="#0000FF" quantity="19" />' +
'<ColorMapEntry color="#0000FF" quantity="18" />' +
'<ColorMapEntry color="#0000FF" quantity="17" />' +
'<ColorMapEntry color="#0000FF" quantity="16" />' +
'<ColorMapEntry color="#0000FF" quantity="15" />' +
'<ColorMapEntry color="#0000FF" quantity="14" />' +
'<ColorMapEntry color="#0000FF" quantity="13" />' +
'<ColorMapEntry color="#0000FF" quantity="12" />' +
'<ColorMapEntry color="#0000FF" quantity="11" />' +
'<ColorMapEntry color="#0070FF" quantity="10" />' + //R 0;G 112 ;B 255; mediumblue
'<ColorMapEntry color="#0070FF" quantity="09" />' +
'<ColorMapEntry color="#0070FF" quantity="08" />' +
'<ColorMapEntry color="#0070FF" quantity="07" />' +
'<ColorMapEntry color="#0070FF" quantity="06" />' +
'<ColorMapEntry color="#6EBFFF" quantity="05" />' + //R 110;G 190 ;B 255; lightblue
'<ColorMapEntry color="#6EBFFF" quantity="04" />' +
'<ColorMapEntry color="#6EBFFF" quantity="03" />' +
'<ColorMapEntry color="#6EBFFF" quantity="02" />' +
'<ColorMapEntry color="#6EBFFF" quantity="01" />' +
'<ColorMapEntry color="#6EBFFF" quantity="00" />' +
'<ColorMapEntry color="#6EBFFF" quantity="-01" />' + //R 110;G 190 ;B 255; lightblue
'<ColorMapEntry color="#6EBFFF" quantity="-02" />' + //R 110;G 190 ;B 255; lightblue
'<ColorMapEntry color="#6EBFFF" quantity="-03" />' + //R 110;G 190 ;B 255; lightblue
// '<ColorMapEntry color="#f3f6f4" quantity="-01" />' + //R 210;G 210;B 210; lightgrey
// '<ColorMapEntry color="#f3f6f4" quantity="-02" />' + //R 210;G 210;B 210; lightgrey
// '<ColorMapEntry color="#f3f6f4" quantity="-03" />' + //R 210;G 210;B 210; lightgrey
'<ColorMapEntry color="#D2D2D2" quantity="-04" />' + //R 210;G 210;B 210; lightgrey
'<ColorMapEntry color="#D2D2D2" quantity="-05" />' +
'<ColorMapEntry color="#D2D2D2" quantity="-06" />' +
'<ColorMapEntry color="#FFFFBE" quantity="-07" />' + //R 255;G 255;B 190; buffyellow
'<ColorMapEntry color="#FFFFBE" quantity="-08" />' +
'<ColorMapEntry color="#FFFFBE" quantity="-09" />' +
'<ColorMapEntry color="#FFFF00" quantity="-10" />' + //R 255;G 255;B 0; brightyellow
'<ColorMapEntry color="#FFFF00" quantity="-11" />' +
'<ColorMapEntry color="#FFFF00" quantity="-12" />' +
'<ColorMapEntry color="#FFD37F" quantity="-13" />' + //R 255;G 211;B 127; lightorange
'<ColorMapEntry color="#FFD37F" quantity="-14" />' +
'<ColorMapEntry color="#FFD37F" quantity="-15" />' +
'<ColorMapEntry color="#FFAA00" quantity="-16" />' + //R 255;G 170;B 0; redorange
'<ColorMapEntry color="#FFAA00" quantity="-17" />' +
'<ColorMapEntry color="#FFAA00" quantity="-18" />' +
'<ColorMapEntry color="#E64C00" quantity="-19" />' + //R 230;G 76;B 0; darkred
'<ColorMapEntry color="#E64C00" quantity="-20" />' +
'<ColorMapEntry color="#E64C00" quantity="-21" />' +
'<ColorMapEntry color="#A80000" quantity="-22" />' + //R 168;G 0;B 0; verydarkred
'<ColorMapEntry color="#A80000" quantity="-23" />' +
'<ColorMapEntry color="#A80000" quantity="-24" />' +
'<ColorMapEntry color="#A80000" quantity="-25" />' +
'<ColorMapEntry color="#730000" quantity="-26" />' + //R 115;G 0;B 0; beet
'<ColorMapEntry color="#730000" quantity="-27" />' +
'<ColorMapEntry color="#730000" quantity="-28" />' +
'<ColorMapEntry color="#730000" quantity="-29" />' +
'<ColorMapEntry color="#343434" quantity="-30" />' + //R 52;G 52;B 52; slate
'<ColorMapEntry color="#343434" quantity="-31" />' +
'<ColorMapEntry color="#343434" quantity="-32" />' +
'<ColorMapEntry color="#343434" quantity="-33" />' +
'<ColorMapEntry color="#4C0073" quantity="-34" />' + //R 76;G 0;B 115; darkpurple
'<ColorMapEntry color="#4C0073" quantity="-35" />' +
'<ColorMapEntry color="#4C0073" quantity="-36" />' +
'<ColorMapEntry color="#4C0073" quantity="-37" />' +
'<ColorMapEntry color="#8400A8" quantity="-38" />' + //R 132;G 0;B 168; purple
'<ColorMapEntry color="#8400A8" quantity="-39" />' +
'<ColorMapEntry color="#8400A8" quantity="-40" />' +
'<ColorMapEntry color="#8400A8" quantity="-41" />' +
'<ColorMapEntry color="#8400A8" quantity="-42" />' +
'<ColorMapEntry color="#8400A8" quantity="-43" />' +
'<ColorMapEntry color="#8400A8" quantity="-44" />' +
'<ColorMapEntry color="#8400A8" quantity="-45" />' +
'<ColorMapEntry color="#8400A8" quantity="-46" />' +
'<ColorMapEntry color="#8400A8" quantity="-47" />' +
'<ColorMapEntry color="#8400A8" quantity="-48" />' +
'<ColorMapEntry color="#8400A8" quantity="-49" />' +
'<ColorMapEntry color="#8400A8" quantity="-50" />' +
'<ColorMapEntry color="#8400A8" quantity="-51" />' +
'<ColorMapEntry color="#8400A8" quantity="-52" />' +
'<ColorMapEntry color="#8400A8" quantity="-53" />' +
'<ColorMapEntry color="#8400A8" quantity="-54" />' +
'<ColorMapEntry color="#8400A8" quantity="-55" />' +
'<ColorMapEntry color="#8400A8" quantity="-56" />' +
'<ColorMapEntry color="#8400A8" quantity="-57" />' +
'<ColorMapEntry color="#8400A8" quantity="-58" />' +
'<ColorMapEntry color="#8400A8" quantity="-59" />' +
'<ColorMapEntry color="#8400A8" quantity="-60" />' +
'<ColorMapEntry color="#8400A8" quantity="-61" />' +
'<ColorMapEntry color="#8400A8" quantity="-62" />' +
'<ColorMapEntry color="#8400A8" quantity="-63" />' +
'<ColorMapEntry color="#8400A8" quantity="-64" />' +
'<ColorMapEntry color="#8400A8" quantity="-65" />' +
'<ColorMapEntry color="#8400A8" quantity="-66" />' +
'<ColorMapEntry color="#8400A8" quantity="-67" />' +
'<ColorMapEntry color="#8400A8" quantity="-68" />' +
'<ColorMapEntry color="#8400A8" quantity="-69" />' +
'<ColorMapEntry color="#8400A8" quantity="-70" />' +
'</ColorMap>' +
'</RasterSymbolizer>';
var submitCounter = 0; // count the asynchronous calls to decide when to re-enable submit
var index_sld_map = {
ABSOLUTE_NDVI: sld_intervals_absolute_ndvi,
PERCENT_NDVI: sld_intervals_percent_ndvi,
};
/////////////////////////////////////////////////////////////////
// END GLOBAL VARIABLES AND CONSTANTS
/////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////
// BEGIN USER INTERFACE AND ASSOCIATED FUNCTIONS
// EVERYTHING IN HERE IS GLOBALLY AVAILABLE
/////////////////////////////////////////////////////////////////
// Helper Function to easily create labels
var createNewLabel = function (value, stretch, textAlign, fontWeight, fontSize, margin) {
return ui.Label({
value: value,
style: {
stretch: stretch,
textAlign: textAlign,
fontWeight: fontWeight,
fontSize: fontSize,
margin: margin,
},
});
};
// Helper Function to easily create selectors
var createUISelect = function (items, placeholder, value, onChange, style, disabled) {
return ui.Select({
items: items,
placeholder: placeholder,
value: value,
onChange: onChange,
disabled: disabled,
style: style,
});
};
function getLayerByName(layerName) {
var layers = Map.layers();
for (var i = 0; i < layers.length(); i++) {
var layer = layers.get(i);
var title = ee.String(layer.get('name'));
if (title.getInfo() === layerName) {
return layer;
}
}
return null; // Layer not found
}
// Helper functions to easily disable and enable all widgets for a panel
// Function to disable all widgets within a panel
function disablePanelWidgets(panel) {
panel.widgets().forEach(function (widget) {
if (widget.setDisabled) {
widget.setDisabled(true);
}
});
}
// Function to enable all widgets within a panel
function enablePanelWidgets(panel) {
panel.widgets().forEach(function (widget) {
if (widget.setDisabled) {
widget.setDisabled(false);
}
});
}
// create labels
var versionDateLabel = createNewLabel('ver. 04/05/2024', 'horizontal', 'left', 'bold', '10px', '8px 8px 8px 8px');
var title = createNewLabel('HiForm-2 Change Mapper', 'horizontal', 'left', 900, '18px', '8px 8px 8px 8px');
var satelliteLabel = createNewLabel('1. Choose Satellite', 'horizontal', 'left', 500, '16px', '12px 8px 0px 24px');
var validDateRange = createNewLabel(
'Start Date: ' + SATELLITE_PROPERTIES[defaultSatellite].startDate,
'horizontal',
'left',
500,
'14px',
'0 8px 12px 64px'
);
var dateSelectLabel = createNewLabel('2. Set Dates', 'horizontal', 'left', 500, '16px', '12px 8px 0px 24px');
var preDisturbanceLabel = createNewLabel(
'Pre-Disturbance Image dates',
'horizontal',
'left',
500,
'14px',
'3px 8px 0 64px'
);
var postDisturbanceLabel = createNewLabel(
'Post-Disturbance Image dates',
'horizontal',
'left',
500,
'14px',
'8px 8px 0 64px'
);
var actionsLabel = createNewLabel('3. Actions', 'horizontal', 'left', 500, '16px', '8px 8px 0 24px');
var explorationLabel = createNewLabel('4. Exploration', 'horizontal', 'left', 500, '16px', '8px 8px 0 24px');
// end label creation
// Create satellite UI selector.
var satelliteSelectOnChange = function (newValue) {
validDateRange.setValue('Start Date: ' + SATELLITE_PROPERTIES[newValue].startDate); // set new dates
inspectorLabel.setValue(inspectorLabelDefaultMsg); // refresh inspector to default state
};
var satelliteNames = ee
.Dictionary(SATELLITE_PROPERTIES)
.keys()
.sort()
.remove('Landsat 8 Real-Time')
.insert(2, 'Landsat 8 Real-Time')
.getInfo();
var satelliteSelector = createUISelect(
satelliteNames,
defaultSatellite,
defaultSatellite,
satelliteSelectOnChange,
{ textAlign: 'left', minWidth: '150px', margin: '3px 8px 3px 64px' },
false
);
//////////////////////////////////////////
// Blue Band Cloud Mask Sliders
//////////////////////////////////////////
var minMaxValues = [0, 2000]; //default values before change analysis
var initializeCloudSlider = function (image) {
var satelliteProps = SATELLITE_PROPERTIES[satelliteSelector.getValue()];
// TODO See if we can get this working with combined TOA
// check is this is a TOA combined
var isTOA = false;
if (satelliteProps.keys) {
for (var i = 0; i < satelliteProps.keys.length; i++) {
if (satelliteProps.keys[i].indexOf('TOA') !== -1) {
print('Blue Band Cloud Mask Slider currently unavailable for combined TOA Satellites');
isTOA = true; // Substring found in one of the strings
enableSubmit(); // make sure change analysis doesn't hang
}
}
}
if (isTOA) {
return;
}
// Get the current map extent
var bounds = Map.getBounds(true);
// Clip the image to the map extent
var clippedImage = image.clip(bounds);
// Get the min and max pixel values
var minMax = clippedImage.reduceRegion({
reducer: ee.Reducer.minMax(),
geometry: bounds,
scale: Map.getScale(),
});
// Extract the min and max values
image.evaluate(function (img) {
var band = img.bands[0];
var bandMin = band.id + '_min';
var bandMax = band.id + '_max';
var minValue = minMax.getNumber(bandMin);
var maxValue = minMax.getNumber(bandMax);
// Return the result
var minMaxValues = ee.List([minValue, maxValue]);
minMaxValues.evaluate(function (param) {
minValue = param[0];
maxValue = param[1];
var stepSize = (maxValue - minValue) / 1000;
var defaultVal = (maxValue + minValue) / 2;
// Calculate the most significant digit
var msd = Math.pow(10, Math.floor(Math.log(stepSize) / Math.LN10));
// Round the number to 1 in the most significant digit
var roundedStep = Math.round(stepSize / msd) * msd;
BBsliderPost.setMin(minValue);
BBsliderPost.setMax(maxValue);
BBsliderPost.setStep(stepSize);
BBsliderPost.setValue(defaultVal); // default to average Average
BBsliderLabel.setValue('Cloud Mask (Blue Band)');
BBsliderPost.setDisabled(false);
BBsliderPost.style().set({ shown: true });
enableSubmit();
});
});
};
var showSlidersButton = ui.Button({
label: 'Show Cloud Mask Slider',
onClick: function () {
var maskLayer = getLayer('Blue Band Cloud Mask', map);
var currentVisSliderPanel = sliderPanel.style().get('shown');
if (!currentVisSliderPanel && maskLayer) {
maskLayer.setShown(true);
}
sliderPanel.style().set('shown', !currentVisSliderPanel);
},
style: {
position: 'top-left',
minWidth: '150px',
margin: '3px 8px 3px 64px',
},
});
var BBsliderLabel = ui.Label({
value: 'Cloud Mask (Blue Band)',
style: {
color: 'white',
backgroundColor: '#7e5f01',
position: 'top-center',
minWidth: '50px',
margin: '3px 8px 3px 8px',
shown: true,
},
});
var postMaskOnChangeBB = function (value) {
var satelliteProps = SATELLITE_PROPERTIES[satelliteSelector.getValue()];
// Find out if layer is toggled on or off
var prevLayer = getLayer('Blue Band Cloud Mask', map);
var prevShown = false;
if (prevLayer != null) {
prevShown = prevLayer.getShown();
}
// remove old layer
removeLayerByName('Blue Band Cloud Mask', map);
BBsliderPost.setDisabled(true);
var bandPost = postImageGreenestClip.select(satelliteProps.bands.blue);
// new code in here to play around with resampling to 60 meters
var projection = bandPost.select(satelliteProps.bands.blue).projection();
var bands = bandPost.select(satelliteProps.bands.blue);
var resample = bands.reproject({
crs: projection,
scale: 60,
});
// end new resampling code
var bandPostMask = resample.gt(value).selfMask();
map
.layers()
.insert(
9,
ui.Map.Layer(bandPostMask, { min: 500, max: 2002, palette: '000000' }, 'Blue Band Cloud Mask', prevShown)
);
BBsliderPost.setDisabled(false);
};
// Post Image Slider
var BBsliderPost = ui.Slider({
min: 0,
max: 1000,
value: 500,
step: 1,
style: {
color: 'white',
backgroundColor: '#7e5f01',
position: 'top-center',
margin: '3px 8px 3px 8px',
height: '100%',
width: '550px',
shown: true,
},
onChange: postMaskOnChangeBB,
disabled: true,
});
//////////////////////////////////////////
// END Blue Band Cloud Mask Sliders
//////////////////////////////////////////
// Track date error state
var dateErrorLabel = ui.Label({
value: 'Cannot do analysis, please fix dates!',
style: {
// stretch: 'horizontal',
textAlign: 'center',
fontWeight: 500,
fontSize: '10px',
color: 'red',
margin: '3px 8px 0 64px',
},
});
var dateErrorState = [false, false];
var disableSubmitOnDateError = function (dateErrorState) {
if (
dateErrorState.some(function (value) {
return value === true;
})
) {
var isAlreadyError = submitPanel.widgets().indexOf(dateErrorLabel) !== -1;
if (!isAlreadyError) {
submitPanel.insert(0, dateErrorLabel);
}
submit.setDisabled(true);
} else {
submitPanel.remove(dateErrorLabel);
submit.setDisabled(false);
}
};
// Create pre-disturbance date selection boxes.
var preDisturbanceStartDate = ui.url.get('preDisturbanceStartDate', '2023-06-01');
var preDisturbanceEndDate = ui.url.get('preDisturbanceEndDate', '2023-08-30');
var dateFilterPreDateStart = ui.Textbox({
placeholder: 'YYYY-MM-DD',
value: preDisturbanceStartDate,
onChange: function () {
var startValue = dateFilterPreDateStart.getValue();
var endValue = dateFilterPreDateEnd.getValue();
var props = SATELLITE_PROPERTIES[satelliteSelector.getValue()];
var okay = checkIfDateOkay(startValue, endValue, props);
if (!okay) {
// set to red if the date does not come back okay
dateErrorState[0] = true;
dateFilterPreDateStart.style().set('color', 'red');
} else {
// otherwise set both start and end date to black
dateFilterPreDateStart.style().set('color', 'black');
dateFilterPreDateEnd.style().set('color', 'black');
dateErrorState[0] = false;
}
disableSubmitOnDateError(dateErrorState);
},
style: {
margin: '0 8px 1px 64px',
},
});
var dateFilterPreDateEnd = ui.Textbox({
placeholder: 'YYYY-MM-DD',
value: preDisturbanceEndDate,
onChange: function () {
var startValue = dateFilterPreDateStart.getValue();
var endValue = dateFilterPreDateEnd.getValue();
var props = SATELLITE_PROPERTIES[satelliteSelector.getValue()];
var okay = checkIfDateOkay(startValue, endValue, props);
if (!okay) {
// set to red if the date does not come back okay
dateFilterPreDateEnd.style().set('color', 'red');
dateErrorState[0] = true;
} else {
// otherwise set both start and end date to black
dateFilterPreDateStart.style().set('color', 'black');
dateFilterPreDateEnd.style().set('color', 'black');
dateErrorState[0] = false;
}
disableSubmitOnDateError(dateErrorState);
},
style: {
margin: '1px 8px 1px 64px',
},
});
// Create post-disturbance date selection boxes.
var postDisturbanceStartDate = ui.url.get('postDisturbanceStartDate', '2024-06-01');
var postDisturbanceEndDate = ui.url.get('postDisturbanceEndDate', '2024-08-30');
var dateFilterPostDateStart = ui.Textbox({
placeholder: 'YYYY-MM-DD',
value: postDisturbanceStartDate,
onChange: function () {
var startValue = dateFilterPostDateStart.getValue();
var endValue = dateFilterPostDateEnd.getValue();
var props = SATELLITE_PROPERTIES[satelliteSelector.getValue()];
var okay = checkIfDateOkay(startValue, endValue, props);
if (!okay) {
// set to red if the date does not come back okay
dateFilterPostDateStart.style().set('color', 'red');
dateErrorState[1] = true;
} else {
// otherwise set both start and end date to black