Transição

// Define the MapBiomas asset path for the latest collection (Collection 11)

var asset = // >>> EDITE AQUI: insert the MapBiomas Collection 11 asset id here
var integration = ee.Image(asset);

// Import MapBiomas official color modules to ensure correct styling for LULC classes
var Palettes = require('users/mapbiomas/modules:Palettes.js');
var paletteLulc = Palettes.get('classification9');

// Define the temporal range for transition analysis
var start_year = 2008;
var end_year = 2024;

// Select specific classification bands for the chosen years
var img0 = integration.select('classification_' + start_year);
var img1 = integration.select('classification_' + end_year);

/**
 * Calculate transitions using map algebra: (Start Year * 100) + End Year.
 * This creates unique codes where the first digits represent the initial class 
 * and the last two digits represent the final class.
 */
var transitions = img0.multiply(100).add(img1).toInt16().rename('transitions');
    
// Display the original LULC map for the latest year (2024) as a reference layer
Map.addLayer(integration, {
    bands: ['classification_2024'],
    min: 0, max: 69,
    palette: paletteLulc
}, 'LULC 2024', false);