全球树木异体测量和树冠结构（Tallo）数据库

Jucker, Tommaso, Fabian Jörg Fischer, Jérôme Chave, David A. Coomes, John Caspersen, Arshad Ali, Grace Jopaul Loubota Panzou et al. "Tallo: A global
tree allometry and crown architecture database." Global change biology 28, no. 17 (2022): 5254-5268.

Jucker, Tommaso, Fischer, Fabian, Chave, Jérôme, Coomes, David, Caspersen, John, Ali, Arshad, Loubota Panzou, Grace Jopaul, Feldpausch, Ted,
Falster, Daniel, Usoltsev, Vladimir, Adu-Bredu, Stephen, Alves, Luciana, Aminpour, Mohammad, Angoboy, Ilondea, Anten, Niels, Antin, Cécile, Askari,
Yousef, Avilés, Rodrigo Muñoz, Ayyappan, Narayanan, … Zavala, Miguel. (2022). Tallo database (1.0.0) [Data set].
Zenodo. https://doi.org/10.5281/zenodo.6637599

var tallo = ee.FeatureCollection("projects/sat-io/open-datasets/tallo_database");
print('Feature sample',tallo.first())

//Using height_m as property and removing null
tallo = tallo.filter(ee.Filter.neq('height_m','NA'))

//Add a random color
function randomVisualizer(featureCollection) {
  return featureCollection
    .randomColumn('height_m')
    .map(function (f) {
      var randomHex = f.getNumber('height_m').multiply((Math.pow(2, 24) - 1)).round().int().format('%x')
      var color = ee.String('000000').cat(randomHex).slice(-6) // Pad with 0 to length of 6
      return f.set('style', {
        color: color,
      })
    })
    .style({styleProperty: 'style'})
}
var viz = randomVisualizer(tallo)
Map.addLayer(viz,{},'Tallo random visualization of height_m')
Map.addLayer(tallo,{},'Tallo database height_m',false)