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mapbiomas-mosaic-toolkit-raisg.js
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/**
* @name mapbiomas-mosaic-toolkit-raisg
*
* @author
* 1. João Siqueira
* 2. Marcos Rosa
* 3. Mapbiomas Team
*
* @version
* 1.0.0 | 2020-02-04 | First release.
*/
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 App = {
options: {
dates: {
t0: '1985-01-01',
t1: '2018-12-31'
},
collection: null,
regionMosaic: '702',
gridName: 'SB-18-X-D',
cloudCover: 100,
shadowSum: 5000,
assets: {
'regionMosaic': 'projects/mapbiomas-raisg/COLECCION2/0_DATOS_AUXILIARES/VECTORES/ClassifRegiones_buffer240',
'grids': 'projects/mapbiomas-raisg/COLECCION2/0_DATOS_AUXILIARES/VECTORES/CartasMapbiomas'
},
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: '#11ffee00',
},
},
collectionid: '',
collectionIds: {
'LANDSAT/LT04/C01/T1_SR': 'l4',
'LANDSAT/LT05/C01/T1_SR': 'l5',
'LANDSAT/LE07/C01/T1_SR': 'l7',
'LANDSAT/LC08/C01/T1_SR': 'l8',
},
endmembers: {
'l4': sma.endmembers['landsat-4'],
'l5': sma.endmembers['landsat-5'],
'l7': sma.endmembers['landsat-7'],
'l8': sma.endmembers['landsat-8'],
'lx': sma.endmembers['landsat-5'],
},
bqaValue: {
'LANDSAT/LT04/C01/T1_SR': ['pixel_qa', Math.pow(2, 5)],
'LANDSAT/LT05/C01/T1_SR': ['pixel_qa', Math.pow(2, 5)],
'LANDSAT/LE07/C01/T1_SR': ['pixel_qa', Math.pow(2, 5)],
'LANDSAT/LC08/C01/T1_SR': ['pixel_qa', Math.pow(2, 5)],
},
visParams: {
'LANDSAT/LT04/C01/T1_SR': {
bands: 'B5,B4,B3',
gain: '0.08,0.06,0.2',
gamma: 0.75
},
'LANDSAT/LT05/C01/T1_SR': {
bands: 'B5,B4,B3',
gain: '0.08,0.06,0.2',
gamma: 0.75
},
'LANDSAT/LE07/C01/T1_SR': {
bands: 'B5,B4,B3',
gain: '0.08,0.06,0.2',
gamma: 0.75
},
'LANDSAT/LC08/C01/T1_SR': {
bands: 'B6,B5,B4',
gain: '0.08,0.06,0.2',
gamma: 0.75
}
},
},
init: function () {
App.ui.init();
App.loadFeatures();
},
loadFeatures: function () {
App.options.regions = ee.FeatureCollection(App.options.assets.regionMosaic);
App.options.grids = ee.FeatureCollection(App.options.assets.grids);
},
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': App.options.shadowSum,
'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;
},
applySingleCloudMask: function (image) {
return image.mask(
image.select(App.options.bqaValue[App.options.collectionid][0])
.bitwiseAnd(App.options.bqaValue[App.options.collectionid][1]).not());
},
getGeometries: function () {
App.options.region = App.options.regions
.filterMetadata('id_region', 'equals', parseInt(App.options.regionMosaic, 10))
.geometry();
App.options.grid = App.options.grids
.filterMetadata('name', 'equals', App.options.gridName)
.geometry();
},
setProperties: function (mosaic) {
return mosaic
.set('year', App.options.dates.t0.split('-')[0])
.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(','));
},
makeMosaic: function () {
var spectralBands = ['blue', 'red', 'green', 'nir', 'swir1', 'swir2'];
var objLandsat = {
'collectionid': App.options.collectionid,
'geometry': App.options.grid,
'dateStart': App.options.dates.t0,
'dateEnd': App.options.dates.t1,
'cloudCover': App.options.cloudCover,
};
var bands = bns.get(App.options.collectionIds[App.options.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);
// apply SMA
collection = collection.map(
function (image) {
return sma.getFractions(image,
App.options.endmembers[App.options.collectionIds[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);
var mosaic = mos.getMosaic({
'collection': collection,
'dateStart': App.options.dates.t0,
'dateEnd': App.options.dates.t1,
'bandReference': 'ndvi',
'percentileDry': 25,
'percentileWet': 75,
});
// get other bands
mosaic = mis.getSlope(mosaic);
mosaic = mis.getEntropyG(mosaic);
// set band data types
App.options.mosaic = dtp.setBandTypes(mosaic);
// set mosaic properties
// App.options.mosaic = App.setProperties(App.options.mosaic);
App.ui.form.map.addLayer(mosaic.clip(App.options.region).clip(App.options.grid), {
'bands': 'swir1_median,nir_median,red_median',
'gain': App.options.visParams[App.options.collectionid].gain,
'gamma': App.options.visParams[App.options.collectionid].gamma
}, 'Mosaic');
App.ui.form.map.centerObject(App.options.grid, 9);
print("blackList: ", App.options.blackList);
},
exportMosaic: function () {
var name = App.options.pathRow + '-' + App.options.dates.t0.split('-')[0];
Export.image.toAsset({
"image": App.options.mosaic,
"description": name,
"assetId": 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();
},
getDates: function () {
App.options.dates.t0 = new Date(App.ui.form.dateSlidert0.getValue()[0]).toISOString().slice(0, 10);
App.options.dates.t1 = new Date(App.ui.form.dateSlidert1.getValue()[0]).toISOString().slice(0, 10);
},
findImages: function () {
App.ui.reset();
App.ui.getDates();
App.getGeometries();
App.options.collection = ee.ImageCollection(App.options.collectionid)
.filterDate(App.options.dates.t0, App.options.dates.t1)
.filterMetadata('CLOUD_COVER', 'less_than', App.options.cloudCover)
.filterBounds(App.options.region)
.filterBounds(App.options.grid)
.map(App.applySingleCloudMask);;
App.ui.loadImagesSelector();
App.makeMosaic();
},
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('system:index', 'equals', obj.imageName).first());
var thumbnail = ui.Thumbnail({
"image": image.visualize(App.options.visParams[App.options.collectionid]),
"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);
return thumbnailContainer;
},
loadImagesSelector: function () {
var thumbnailGrid = App.ui.makeThumbnailGrid();
var imageList = ee.List(
App.options.collection
.reduceColumns(ee.Reducer.toList(), ['system:index'])
.get('list'));
App.options.thumbnailList = [];
imageList.evaluate(
function (imageList) {
App.options.imageList = imageList;
imageList.forEach(
function (imageName) {
var thumbnail = App.ui.makeThumbnail({
'imageName': imageName,
});
App.options.thumbnailList.push(thumbnail);
thumbnailGrid.add(thumbnail);
}
);
}
);
App.ui.form.panelImagePicker.clear();
App.ui.form.panelImagePicker.add(thumbnailGrid);
},
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.labelDates);
App.ui.form.panelFilterContainer.add(App.ui.form.dateSlidert0);
App.ui.form.panelFilterContainer.add(App.ui.form.dateSlidert1);
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.labelCloudCover);
App.ui.form.panelFilterContainer.add(App.ui.form.textCloudCover);
App.ui.form.panelFilterContainer.add(App.ui.form.labelShadow);
App.ui.form.panelFilterContainer.add(App.ui.form.textShadow);
App.ui.form.panelFilterContainer.add(App.ui.form.labelRegionMosaic);
App.ui.form.panelFilterContainer.add(App.ui.form.textRegionMosaic);
App.ui.form.panelFilterContainer.add(App.ui.form.labelGrids);
App.ui.form.panelFilterContainer.add(App.ui.form.textGrids);
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.buttonMakeMosaic);
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',
// 'border': '1px solid #cccccc',
}
}),
panelImagePicker: ui.Panel({
'layout': ui.Panel.Layout.flow('vertical'),
'style': {
'stretch': 'both',
// 'border': '1px solid #cccccc',
// 'height': '800px'
}
}),
panelControl: ui.Panel({
'layout': ui.Panel.Layout.flow('vertical'),
'style': {
'stretch': 'horizontal',
// 'border': '1px solid #cccccc',
}
}),
panelDiv1: ui.Panel({
'layout': ui.Panel.Layout.flow('horizontal'),
'style': {
'stretch': 'horizontal',
'border': '2px solid #f2f2f2',
}
}),
panelDiv2: ui.Panel({
'layout': ui.Panel.Layout.flow('horizontal'),
'style': {
'stretch': 'horizontal',
'border': '2px solid #f2f2f2',
}
}),
panelDiv3: ui.Panel({
'layout': ui.Panel.Layout.flow('vertical'),
'style': {
'stretch': 'vertical',
'border': '2px solid #f2f2f2',
}
}),
selectCollection: ui.Select({
'items': [
'LANDSAT/LT04/C01/T1_SR',
'LANDSAT/LT05/C01/T1_SR',
'LANDSAT/LE07/C01/T1_SR',
'LANDSAT/LC08/C01/T1_SR',
],
'placeholder': 'Collection',
'onChange': function (collectionid) {
App.options.collectionid = collectionid;
},
'style': {
'stretch': 'horizontal',
// 'width': '120px'
}
}),
dateSlidert0: ui.DateSlider({
'start': '1985-01-01',
'value': '2018-01-01',
'style': {
// 'width': '140px',
},
}),
dateSlidert1: ui.DateSlider({
'start': '1985-01-01',
'value': '2018-12-31',
'style': {
},
}),
buttonFind: ui.Button({
'label': 'Find images',
'onClick': function () {
App.ui.findImages();
},
'style': {
'stretch': 'horizontal',
// 'width': '120px'
}
}),
buttonMakeMosaic: ui.Button({
'label': 'Mosaic',
'onClick': function () {
App.makeMosaic();
},
'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'
}
}),
labelDates: ui.Label({
"value": "Date range:",
"style": {
'stretch': 'horizontal',
}
}),
labelCollection: ui.Label({
"value": "Collection id:",
"style": {
'stretch': 'horizontal',
}
}),
labelRegionMosaic: ui.Label({
"value": "Region id:",
"style": {
'stretch': 'horizontal',
}
}),
textRegionMosaic: ui.Textbox({
'placeholder': '702',
'onChange': function (text) {
App.options.regionMosaic = text;
},
}),
labelGrids: ui.Label({
"value": "Grid name:",
"style": {
'stretch': 'horizontal',
}
}),
textGrids: ui.Textbox({
'placeholder': 'SB-18-X-D',
'onChange': function (text) {
App.options.gridName = text;
},
}),
labelShadow: ui.Label({
"value": "Shadow sum:",
"style": {
'stretch': 'horizontal',
}
}),
textShadow: ui.Textbox({
'placeholder': '5000',
'onChange': function (text) {
App.options.shadowSum = parseInt(text, 10);
},
}),
labelCloudCover: ui.Label({
"value": "Cloud cover:",
"style": {
'stretch': 'horizontal',
}
}),
textCloudCover: ui.Textbox({
'placeholder': '100',
'onChange': function (text) {
App.options.cloudCover = parseInt(text, 10);
},
}),
map: ui.Map({
'style': {
'stretch': 'both'
}
}),
}
}
};
App.init();