- X-axis: Image, labeled by xProperty value.
- Y-axis: Band value.
- Series: Band names.
Returns a chart.
| Usage | Returns |
|---|---|
ui.Chart.image.series(imageCollection, region, reducer, scale, xProperty) | ui.Chart |
| Argument | Type | Details |
|---|---|---|
imageCollection | ImageCollection | An ImageCollection with data to be included in the chart. |
region | Feature|FeatureCollection|Geometry | The region to reduce. |
reducer | Reducer, optional | Reducer that generates the values for the y-axis. Must return a single value. Defaults to ee.Reducer.mean(). |
scale | Number, optional | Scale to use with the reducer in meters. |
xProperty | String, optional | Property to be used as the label for each image on the x-axis. Defaults to 'system:time_start'. |
Examples
Code Editor (JavaScript)
// Define a region of pixels to reduce and chart a time series for. var region = ee.Geometry.BBox(-121.916, 37.130, -121.844, 37.076); // Define an image collection time series to chart, MODIS vegetation indices // in this case. var imgCol = ee.ImageCollection('MODIS/006/MOD13A1') .filter(ee.Filter.date('2015-01-01', '2020-01-01')) .select(['NDVI', 'EVI']); // Define the chart and print it to the console. var chart = ui.Chart.image.series({ imageCollection: imgCol, region: region, reducer: ee.Reducer.mean(), scale: 500, xProperty: 'system:time_start' }) .setSeriesNames(['EVI', 'NDVI']) .setOptions({ title: 'Average Vegetation Index Value by Date', hAxis: {title: 'Date', titleTextStyle: {italic: false, bold: true}}, vAxis: { title: 'Vegetation index (x1e4)', titleTextStyle: {italic: false, bold: true} }, lineWidth: 5, colors: ['e37d05', '1d6b99'], curveType: 'function' }); print(chart);