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OpenMapSamples is a library to generate and providesample data for testing vector-based map renderings. Sample data is returned as GeoJSON and can berendered by mapping systems and styles to validate their coverage of combinations of data at differentzooms without hand-mapping all possible combinations.

TheOpenMapSamples-MapLibre package provides aMapLibre controlthat allows OpenMapSamples to be swapped for real data in MapLibre-based maps.

You can view a demonstration of this control athttps://adamfranco.github.io/OpenMapSamples-examples/.Look for the control in the bottom left of the map and choose a sample to replace the normal map datawith sample data and jump to the sample-data locations.

The SampleControl for MapLibre provides a button and dialog that temporarily replaces the source data in the map's style with sample data.

import SampleControl from 'openmapsamples-maplibre/OpenMapSamplesControl';import { default as OpenMapTilesSamples } from "openmapsamples/samples/OpenMapTiles";// Add our sample data.let sampleControl = new SampleControl({'permalinks': true});OpenMapTilesSamples.forEach((sample, i) => {  sampleControl.addSample(sample);});// Map is a previously configure maplibre-gl map.map.addControl(sampleControl, 'bottom-left');