Generates a Chart from an image collection. Extracts and plots the value of the specified band in each region for each image in the collection. Usually a time series.

  - X-axis = Image labeled by xProperty (default: 'system:time_start').

  - Y-axis = Reducer output.

  - Series = Region labeled by seriesProperty (default: 'system:index').

Returns a chart.

ui.Chart.image.seriesByRegion(imageCollection, regions, reducer, band, scale, xProperty, seriesProperty)ui.Chart

An ImageCollection with data to be included in the chart.


The regions to reduce.


Reducer that generates the value for the y-axis. Must return a single value.

bandNumber|String, optional

The band name to reduce using the reducer. Defaults to the first band.

scaleNumber, optional

Scale to use with the reducer in meters.

xPropertyString, optional

Property to be used as the label for each image on the x-axis. Defaults to 'system:time_start'.

seriesPropertyString, optional

Property of features in opt_regions to be used for series labels. Defaults to 'system:index'.