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mapbiomas-mosaic-toolkit.js
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/**
* @name mapbiomas-mosaic-toolkit
*
* @author
* 1. João Siqueira
* 2. Marcos Rosa
* 3. Mapbiomas Team
*
* @version
* 1.0.0 | 2020-02-04 | First release
* 1.1.0 | 2020-05-08 | Update thumbnails and improve mosaic logic.
* 1.1.1 | 2021-02-01 | Fix minor bugs.
*/
var bns = require('users/mapbiomas/mapbiomas-mosaics:modules/BandNames.js');
var csm = require('users/mapbiomas/mapbiomas-mosaics:modules/CloudAndShadowMasking.js');
var col = require('users/mapbiomas/mapbiomas-mosaics:modules/Collection.js');
var dtp = require('users/mapbiomas/mapbiomas-mosaics:modules/DataType.js');
var ind = require('users/mapbiomas/mapbiomas-mosaics:modules/SpectralIndexes.js');
var mis = require('users/mapbiomas/mapbiomas-mosaics:modules/Miscellaneous.js');
var mos = require('users/mapbiomas/mapbiomas-mosaics:modules/Mosaic.js');
var sma = require('users/mapbiomas/mapbiomas-mosaics:modules/SmaAndNdfi.js');
var projectInfo = [
{
label: 'Atlantic Forest Trinacional',
value: {
projectName: 'mapbiomas-af-trinacional',
outputAsset: 'projects/mapbiomas_af_trinacional/MOSAICS/workspace-c1',
regionsAsset: 'projects/mapbiomas_af_trinacional/ANCILLARY_DATA/RASTER/regions',
regionsList: [
'AFTN',
]
}
},
{
label: 'Brazil',
value: {
projectName: 'mapbiomas-brazil',
outputAsset: 'projects/mapbiomas-workspace/MOSAICOS/workspace-c5',
regionsAsset: 'projects/mapbiomas-workspace/AUXILIAR/RASTER/regions',
regionsList: [
'AMAZONIA',
'CAATINGA',
'CERRADO',
'MATAATLANTICA',
'PAMPA',
'PANTANAL'
]
}
},
{
label: 'Indonesia',
value: {
projectName: 'mapbiomas-indonesia',
outputAsset: 'projects/mapbiomas-indonesia/MOSAICS/workspace-c1',
regionsAsset: 'projects/mapbiomas-indonesia/ANCILLARY_DATA/RASTER/regions',
regionsList: [
'REGION-100',
'REGION-200',
'REGION-300',
'REGION-400',
'REGION-500'
]
}
},
{
label: 'Pampa Trinacional',
value: {
projectName: 'mapbiomas-pampa-trinacional',
outputAsset: 'projects/MapBiomas_Pampa/MOSAICS/workspace-c1',
regionsAsset: 'projects/mapbiomas-workspace/AUXILIAR/RASTER/regions',
regionsList: [
'PAMPA-ARGENTINA',
'PAMPA-BRASIL',
'PAMPA-URUGUAI',
]
}
},
];
var App = {
options: {
dates: {
amp: {
t0: '2010-01-01',
t1: '2010-12-31'
},
med: {
t0: '2010-05-01',
t1: '2010-10-30'
},
},
collection: null,
mosaic: null,
pathRow: '224078',
region: null,
regionId: null,
buffer: 500,
assets: {
'pathRow': 'projects/mapbiomas-workspace/AUXILIAR/landsat-scenes'
},
projectInfo: null,
blackList: [],
imageList: [],
thumbnailList: [],
thumbnail: {
width: 200,
borderStyle: '4px solid rgba(97, 97, 97, 0.05)',
colors: {
cyan: '#24C1E0',
background: '#eb9834',
gray: '#F8F9FA'
},
labelStyle: {
fontWeight: '50',
textAlign: 'center',
fontSize: '11px',
backgroundColor: '#f2f2f2',
stretch: 'horizontal',
},
},
collectionid: '',
collectionIds: {
'Landsat-4 SR': [
'LANDSAT/LT04/C01/T1_SR'
],
'Landsat-5 SR': [
'LANDSAT/LT05/C01/T1_SR'
],
'Landsat-7 SR': [
'LANDSAT/LE07/C01/T1_SR'
],
'Landsat-8 SR': [
'LANDSAT/LC08/C01/T1_SR'
],
'Landsat-5 SR [+L7]': [
'LANDSAT/LT05/C01/T1_SR',
'LANDSAT/LE07/C01/T1_SR'
],
'Landsat-7 SR [+L5]': [
'LANDSAT/LE07/C01/T1_SR',
'LANDSAT/LT05/C01/T1_SR'
],
},
endmembers: {
'Landsat-4 SR': sma.endmembers['landsat-4'],
'Landsat-5 SR': sma.endmembers['landsat-5'],
'Landsat-7 SR': sma.endmembers['landsat-7'],
'Landsat-8 SR': sma.endmembers['landsat-8'],
'Landsat-5 SR [+L7]': sma.endmembers['landsat-5'],
'Landsat-7 SR [+L5]': sma.endmembers['landsat-7'],
},
bqaValue: {
'Landsat-4 SR': ['pixel_qa', Math.pow(2, 5)],
'Landsat-5 SR': ['pixel_qa', Math.pow(2, 5)],
'Landsat-7 SR': ['pixel_qa', Math.pow(2, 5)],
'Landsat-8 SR': ['pixel_qa', Math.pow(2, 5)],
'Landsat-5 SR [+L7]': ['pixel_qa', Math.pow(2, 5)],
'Landsat-7 SR [+L5]': ['pixel_qa', Math.pow(2, 5)],
},
bandIds: {
'LANDSAT/LT04/C01/T1_SR': 'l4',
'LANDSAT/LT05/C01/T1_SR': 'l5',
'LANDSAT/LE07/C01/T1_SR': 'l7',
'LANDSAT/LC08/C01/T1_SR': 'l8',
},
lastMonthDay: {
'01': '31',
'02': '28',
'03': '31',
'04': '30',
'05': '31',
'06': '30',
'07': '31',
'08': '31',
'09': '30',
'10': '31',
'11': '30',
'12': '31'
},
visParams: {
bands: 'swir1,nir,red',
gain: '0.08,0.06,0.2',
gamma: 0.75
},
},
init: function () {
App.ui.init();
App.loadFeatures();
},
loadFeatures: function () {
App.options.features = ee.FeatureCollection(App.options.assets.pathRow);
},
applyCloudAndSahdowMask: function (collection) {
var collectionWithMasks = csm.getMasks({
'collection': collection,
'cloudBQA': true, // cloud mask using pixel QA
'cloudScore': true, // cloud mas using simple cloud score
'shadowBQA': true, // cloud shadow mask using pixel QA
'shadowTdom': true, // cloud shadow using tdom
'zScoreThresh': -1,
'shadowSumThresh': 4000,
'dilatePixels': 2,
'cloudHeights': [200, 700, 1200, 1700, 2200, 2700, 3200, 3700, 4200, 4700],
'cloudBand': 'cloudBQAMask' //'cloudScoreMask' or 'cloudBQAMask'
});
// get collection without clouds
var collectionWithoutClouds = collectionWithMasks.map(
function (image) {
return image.mask(
image.select([
'cloudBQAMask',
'cloudScoreMask',
'shadowBQAMask',
'shadowTdomMask'
]).reduce(ee.Reducer.anyNonZero()).eq(0)
);
}
);
return collectionWithoutClouds;
},
applyRegionMask: function (image) {
return image.mask(App.options.region.gte(0)).selfMask();
},
getGeometries: function () {
App.options.geometry = App.options.features
.filterMetadata('WRSPR', 'equals', App.options.pathRow)
.geometry()
.centroid();
},
setProperties: function (mosaic) {
return mosaic
.set('year', App.options.year)
.set('region', App.options.regionId)
.set('collection_id', App.options.collectionid)
.set('landsat_scene', App.options.pathRow)
.set('black_list', App.options.blackList.join(','))
.set('image_list', App.options.imageList.join(','));
},
processCollection: function (collectionid) {
var spectralBands = ['blue', 'red', 'green', 'nir', 'swir1', 'swir2'];
var objLandsat = {
'collectionid': collectionid,
'geometry': App.options.geometry,
'dateStart': App.options.dates.amp.t0,
'dateEnd': App.options.dates.amp.t1,
'cloudCover': 100,
};
var bands = bns.get(App.options.bandIds[collectionid]);
var collection = col.getCollection(objLandsat)
.select(bands.bandNames, bands.newNames)
.filter(ee.Filter.inList('system:index', App.options.blackList).not());
collection = App.applyCloudAndSahdowMask(collection)
.select(spectralBands);
collection = collection.map(App.applyRegionMask);
// apply SMA
collection = collection.map(
function (image) {
return sma.getFractions(image,
App.options.endmembers[App.options.collectionid]);
}
);
// calculate SMA indexes
collection = collection
.map(sma.getNDFI)
.map(sma.getSEFI)
.map(sma.getWEFI)
.map(sma.getFNS);
// calculate Spectral indexes
collection = collection
.map(ind.getCAI)
.map(ind.getEVI2)
.map(ind.getGCVI)
.map(ind.getHallCover)
.map(ind.getHallHeigth)
.map(ind.getNDVI)
.map(ind.getNDWI)
.map(ind.getPRI)
.map(ind.getSAVI);
return collection;
},
makeMosaic: function () {
App.options.collection = App.processCollection(
App.options.collectionIds[App.options.collectionid][0]);
var mosaic = mos.getMosaic({
'collection': App.options.collection,
'dateStart': App.options.dates.med.t0,
'dateEnd': App.options.dates.med.t1,
'bandReference': 'ndvi',
'percentileDry': 25,
'percentileWet': 75,
});
print(mosaic);
// Unmask data with the secondary mosaic (+L5 or +L7)
if (App.options.collectionIds[App.options.collectionid].length == 2) {
var collection = App.processCollection(
App.options.collectionIds[App.options.collectionid][1]);
var secondaryMosaic = mos.getMosaic({
'collection': collection,
'dateStart': App.options.dates.med.t0,
'dateEnd': App.options.dates.med.t1,
'bandReference': 'ndvi',
'percentileDry': 25,
'percentileWet': 75,
});
mosaic = mosaic.unmask(secondaryMosaic);
App.options.collection = App.options.collection.merge(collection);
}
// get other bands
mosaic = mis.getSlope(mosaic);
mosaic = mis.getEntropyG(mosaic);
// set band data types
App.options.mosaic = dtp.setBandTypes(mosaic, App.options.projectInfo.projectName);
// set mosaic properties
App.options.mosaic = App.setProperties(App.options.mosaic)
.clip(App.options.features
.filterMetadata('WRSPR', 'equals', App.options.pathRow)
.geometry()
.buffer(App.options.buffer)
);
},
exportMosaic: function () {
var name = [
App.options.pathRow,
App.options.dates.med.t0.split('-')[0],
App.options.regionId
].join('-');
Export.image.toAsset({
"image": App.options.mosaic,
"description": name,
"assetId": App.options.projectInfo.outputAsset + '/' + name,
"region": App.options.features
.filterMetadata('WRSPR', 'equals', App.options.pathRow)
.geometry(),
"scale": 30,
"maxPixels": 1e13
});
},
ui: {
init: function () {
App.ui.form.init();
},
reset: function () {
App.options.blackList = [];
App.options.imageList = [];
App.ui.form.map.clear();
},
updateRegionList: function () {
App.ui.form.panelFilterContainer.remove(App.ui.form.selectRegion);
App.options.region = null;
App.ui.form.selectRegion = ui.Select({
'items': ['None'].concat(App.options.projectInfo.regionsList),
'onChange': function (region) {
App.options.regionId = region;
App.options.region = ee.Image(
App.options.projectInfo.regionsAsset + '/' + App.options.regionId);
},
'placeholder': 'Select a region',
'style': {
'stretch': 'horizontal',
}
});
App.ui.form.panelFilterContainer.insert(5, App.ui.form.selectRegion);
},
getDates: function () {
App.options.dates.amp.t0 = App.options.year + '-01-01';
App.options.dates.amp.t1 = App.options.year + '-12-31';
App.options.dates.med.t0 = App.options.year + '-' + App.options.montht0 + '-' + App.options.lastMonthDay[App.options.montht0];
App.options.dates.med.t1 = App.options.year + '-' + App.options.montht1 + '-' + App.options.lastMonthDay[App.options.montht1];
},
addMosaicToMap: function () {
App.ui.form.map.addLayer(App.options.mosaic, {
'bands': 'swir1_median,nir_median,red_median',
'gain': App.options.visParams.gain,
'gamma': App.options.visParams.gamma
}, 'Mosaic');
App.ui.form.map.centerObject(App.options.geometry, 9);
print("blackList: ", App.options.blackList);
},
findImages: function () {
App.ui.reset();
App.ui.getDates();
App.getGeometries();
// App.getCollectionCloudMask();
App.makeMosaic();
App.ui.loadImagesSelector();
App.ui.addMosaicToMap();
},
selectAll: function () {
App.options.thumbnailList.forEach(
function (thumbnailContainer) {
thumbnailContainer.checkbox.setValue(true, App.ui.updateImageList);
}
);
print("blackList:", App.options.blackList);
},
unselectAll: function () {
App.options.thumbnailList.forEach(
function (thumbnailContainer) {
thumbnailContainer.checkbox.setValue(false, App.ui.updateImageList);
}
);
print("blackList:", App.options.blackList);
},
updateImageList: function (checked, checkbox) {
var fun = function (imageName) {
return imageName !== checkbox.imageName;
};
if (checked) {
App.options.blackList = App.options.blackList.filter(fun);
App.options.imageList.push(checkbox.imageName);
} else {
App.options.imageList = App.options.imageList.filter(fun);
App.options.blackList.push(checkbox.imageName);
}
},
makeThumbnailGrid: function () {
return ui.Panel({
layout: ui.Panel.Layout.flow('horizontal', true),
style: {
stretch: 'vertical',
// backgroundColor: App.options.thumbnail.colors.background,
}
});
},
makeThumbnail: function (obj) {
var thumbnailContainer = ui.Panel({
"layout": ui.Panel.Layout.flow('vertical'),
"style": {
// backgroundColor: App.options.thumbnail.colors.background,
border: App.options.thumbnail.borderStyle,
padding: '4px',
margin: '5px',
width: App.options.thumbnail.width + 35 + 'px',
},
});
var image = ee.Image(App.options.collection
.filterMetadata('image_id', 'equals', obj.imageName).first());
var thumbnail = ui.Thumbnail({
"image": image.visualize(App.options.visParams),
"params": {
"dimensions": App.options.thumbnail.width,
"format": 'png'
},
"style": {
"width": App.options.thumbnail.width + 'px',
"maxHeight": App.options.thumbnail.width + 25 + 'px',
"backgroundColor": App.options.thumbnail.colors.background,
}
});
thumbnailContainer.add(thumbnail);
// Add the checkbox to specify which thumbnails to include in the mosaic.
var checkbox = ui.Checkbox({
"label": obj.imageName,
"value": true,
"onChange": App.ui.updateImageList,
"disabled": false,
"style": App.options.thumbnail.labelStyle
});
checkbox.imageName = obj.imageName;
thumbnailContainer.add(checkbox);
thumbnailContainer.checkbox = checkbox;
return thumbnailContainer;
},
loadImagesSelector: function () {
var thumbnailGrid = App.ui.makeThumbnailGrid();
App.options.imageList = ee.List(
App.options.collection
.reduceColumns(ee.Reducer.toList(), ['image_id'])
.get('list'));
App.options.thumbnailList = [];
App.ui.loadingMsg.show();
App.options.imageList.evaluate(
function (imageList) {
imageList.forEach(
function (imageName) {
var thumbnail = App.ui.makeThumbnail({
'imageName': imageName,
});
App.options.thumbnailList.push(thumbnail);
thumbnailGrid.add(thumbnail);
}
);
App.options.imageList = imageList;
App.ui.loadingMsg.destroy();
}
);
App.ui.form.panelImagePicker.clear();
App.ui.form.panelImagePicker.add(thumbnailGrid);
},
loadingMsg: {
show: function () {
App.ui.form.panelImagePickerContainer.add(App.ui.form.msgBox);
},
destroy: function () {
App.ui.form.panelImagePickerContainer.remove(App.ui.form.msgBox);
}
},
form: {
init: function () {
App.ui.form.panelFilterContainer.add(App.ui.form.labelTitleFilter);
App.ui.form.panelFilterContainer.add(App.ui.form.panelDiv1);
App.ui.form.panelFilterContainer.add(App.ui.form.labelProject);
App.ui.form.panelFilterContainer.add(App.ui.form.selectProject);
App.ui.form.panelFilterContainer.add(App.ui.form.labelRegion);
App.ui.form.panelFilterContainer.add(App.ui.form.selectRegion);
App.ui.form.panelFilterContainer.add(App.ui.form.labelCollection);
App.ui.form.panelFilterContainer.add(App.ui.form.selectCollection);
App.ui.form.panelFilterContainer.add(App.ui.form.labelDates);
App.ui.form.panelFilterContainer.add(App.ui.form.selectYear);
App.ui.form.panelFilterContainer.add(App.ui.form.selectMontht0);
App.ui.form.panelFilterContainer.add(App.ui.form.selectMontht1);
App.ui.form.panelFilterContainer.add(App.ui.form.labelPathRow);
App.ui.form.panelFilterContainer.add(App.ui.form.textPathRow);
App.ui.form.panelFilterContainer.add(App.ui.form.buttonFind);
App.ui.form.panelImagePickerContainer.add(App.ui.form.labelTitle);
App.ui.form.panelImagePickerContainer.add(App.ui.form.panelDiv2);
App.ui.form.panelImagePickerContainer.add(App.ui.form.panelImagePicker);
App.ui.form.panelMapContainer.add(App.ui.form.panelControl);
App.ui.form.panelMapContainer.add(App.ui.form.map);
App.ui.form.panelControl.add(App.ui.form.buttonSelectAll);
App.ui.form.panelControl.add(App.ui.form.buttonUnselectAll);
App.ui.form.panelControl.add(App.ui.form.buttonMakeMosaic);
App.ui.form.panelControl.add(App.ui.form.buttonExportMosaic);
App.ui.form.panelMain.add(App.ui.form.panelFilterContainer);
App.ui.form.panelMain.add(App.ui.form.panelDiv3);
App.ui.form.panelMain.add(App.ui.form.panelImagePickerContainer);
App.ui.form.panelMain.add(App.ui.form.panelMapContainer);
ui.root.widgets().reset([App.ui.form.panelMain]);
},
panelMain: ui.Panel({
'layout': ui.Panel.Layout.flow('horizontal'),
'style': {
'stretch': 'both'
}
}),
panelImagePickerContainer: ui.Panel({
'layout': ui.Panel.Layout.flow('vertical'),
'style': {
'stretch': 'both'
}
}),
panelMapContainer: ui.Panel({
'layout': ui.Panel.Layout.flow('vertical'),
'style': {
'stretch': 'both'
}
}),
panelFilterContainer: ui.Panel({
'layout': ui.Panel.Layout.flow('vertical'),
'style': {
'stretch': 'vertical',
}
}),
panelImagePicker: ui.Panel({
'layout': ui.Panel.Layout.flow('vertical'),
'style': {
'stretch': 'both',
}
}),
panelControl: ui.Panel({
'layout': ui.Panel.Layout.flow('horizontal'),
'style': {
'stretch': 'horizontal',
}
}),
panelDiv1: ui.Panel({
'layout': ui.Panel.Layout.flow('horizontal'),
'style': {
'stretch': 'horizontal',
'border': '1px solid rgba(97, 97, 97, 0.05)',
}
}),
panelDiv2: ui.Panel({
'layout': ui.Panel.Layout.flow('horizontal'),
'style': {
'stretch': 'horizontal',
'border': '1px solid rgba(97, 97, 97, 0.05)',
}
}),
panelDiv3: ui.Panel({
'layout': ui.Panel.Layout.flow('vertical'),
'style': {
'stretch': 'vertical',
'border': '1px solid rgba(97, 97, 97, 0.05)',
}
}),
selectCollection: ui.Select({
'items': [
'Landsat-4 SR',
'Landsat-5 SR',
'Landsat-7 SR',
'Landsat-8 SR',
'Landsat-5 SR [+L7]',
'Landsat-7 SR [+L5]',
],
'placeholder': 'Collection',
'onChange': function (collectionid) {
App.options.collectionid = collectionid;
},
'style': {
'stretch': 'horizontal',
}
}),
selectYear: ui.Select({
'items': [
'1985', '1986', '1987', '1988',
'1989', '1990', '1991', '1992',
'1993', '1994', '1995', '1996',
'1997', '1998', '1999', '2000',
'2001', '2002', '2003', '2004',
'2005', '2006', '2007', '2008',
'2009', '2010', '2011', '2012',
'2013', '2014', '2015', '2016',
'2017', '2018', '2019', '2020',
'2021'
],
'placeholder': 'Year',
'onChange': function (year) {
App.options.year = year;
},
'style': {
'stretch': 'horizontal',
}
}),
selectMontht0: ui.Select({
'items': [
'01', '02', '03', '04',
'05', '06', '07', '08',
'09', '10', '11', '12',
],
'placeholder': 'Month t0',
'onChange': function (month) {
App.options.montht0 = month;
},
'style': {
'stretch': 'horizontal',
}
}),
selectMontht1: ui.Select({
'items': [
'01', '02', '03', '04',
'05', '06', '07', '08',
'09', '10', '11', '12',
],
'placeholder': 'Month t1',
'onChange': function (month) {
App.options.montht1 = month;
},
'style': {
'stretch': 'horizontal',
}
}),
buttonFind: ui.Button({
'label': 'Find images',
'onClick': function () {
App.ui.findImages();
},
'style': {
'stretch': 'horizontal',
}
}),
buttonSelectAll: ui.Button({
'label': 'Select all',
'onClick': function () {
App.ui.selectAll();
},
'style': {
'stretch': 'vertical',
'width': '150px'
}
}),
buttonUnselectAll: ui.Button({
'label': 'Unselect all',
'onClick': function () {
App.ui.unselectAll();
},
'style': {
'stretch': 'vertical',
'width': '150px'
}
}),
buttonMakeMosaic: ui.Button({
'label': 'Mosaic',
'onClick': function () {
App.makeMosaic();
App.ui.addMosaicToMap();
},
'style': {
'stretch': 'vertical',
'width': '150px'
}
}),
buttonExportMosaic: ui.Button({
'label': 'Export',
'onClick': function () {
App.makeMosaic();
App.exportMosaic();
},
'style': {
'stretch': 'vertical',
'width': '150px'
}
}),
labelTitleFilter: ui.Label({
"value": "Filter",
"style": {
"fontSize": "24px",
"fontWeight": "bold",
// 'border': '1px solid #cccccc',
'stretch': 'horizontal',
// 'padding': '4px'
}
}),
labelTitle: ui.Label({
"value": "Image Galery",
"style": {
"fontSize": "24px",
"fontWeight": "bold",
// 'border': '1px solid #cccccc',
'stretch': 'horizontal',
// 'padding': '4px'
}
}),
labelProject: ui.Label({
"value": "Project:",
"style": {
'stretch': 'horizontal',
}
}),
labelRegion: ui.Label({
"value": "Region:",
"style": {
'stretch': 'horizontal',
}
}),
labelDates: ui.Label({
"value": "Date range:",
"style": {
'stretch': 'horizontal',
}
}),
labelDatesMedian: ui.Label({
"value": "Median date range:",
"style": {
'stretch': 'horizontal',
}
}),
labelCollection: ui.Label({
"value": "Collection id:",
"style": {
'stretch': 'horizontal',
}
}),
labelPathRow: ui.Label({
"value": "Path/Row id:",
"style": {
'stretch': 'horizontal',
}
}),
textPathRow: ui.Textbox({
'placeholder': '112063 (6 numbers)',
'onChange': function (text) {
App.options.pathRow = text;
},
}),
selectProject: ui.Select({
'items': projectInfo,
'onChange': function (item) {
App.options.projectInfo = item;
App.ui.updateRegionList();
},
'placeholder': 'Select a project',
'style': {
'stretch': 'horizontal',
}
}),
selectRegion: ui.Select({
'items': ['None'],
'onChange': function (region) {
},
'placeholder': 'Select a region',
'style': {
'stretch': 'horizontal',
// 'width': '150px'
}
}),
map: ui.Map({
'style': {
'stretch': 'both'
}
}),
msgBox: ui.Panel(
{
'widgets': [
ui.Label('Loading...')
],
'layout': ui.Panel.Layout.flow('horizontal'),
'style': {
'position': 'top-left'
}
}
)
}
}
};
App.init();