# Interface: FlowCoreMapDataSourceOptions
FlowCoreDataSource options.
# Hierarchy
- FlowCoreMapDataSourceOptions
# Properties
# apiKey
• Optional apiKey: string
Set to override application-wide API key for this data source
# cluster
• Optional cluster: boolean
Enable GeoJSON point clustering.
# clusterMaxZoom
• Optional clusterMaxZoom: number
GeoJSON point clustering maximum zoom level.
# clusterRadius
• Optional clusterRadius: number
GeoJSON point clustering radius.
# featureId
• Optional featureId: string
Specify feature property to use as unique ID.
# flowMap
• flowMap: FlowCoreMap
Parent map.
# id
• id: string
Data source ID.
# limit
• Optional limit: number
Data source limit - applied to dataset queries.
# selectionClear
• Optional selectionClear: boolean
Set to true to clear the selected feature whenever the map is clicked (empty area or a feature from another data source).
By default, selection is only cleared when clicking on an empty area of the map.
# selectionFeatureState
• Optional selectionFeatureState: string
Set to bind feature selection to a Flo.w application state property. The application state property is:
- single mode: an object containing the selected feature's properties.
- multi mode: an object mapping selected feature IDs to feature properties.
Binding is one-way. The application state property is updated automatically when map feature selection changes. Setting the application state property programmatically has no effect.
reactive
# selectionMode
• Optional selectionMode: "none" | "single" | "multi"
Enable automatic feature selection support for single or multiple features.
# selectionPopup
• Optional selectionPopup: string | SelectionPopupFn
Set to automatically open a popup when a map feature from this data source is clicked. The popup can be configured
by specifying the ID of a registered <flow-map-popup> or programmatically by specifying a function that returns a
FlowCoreMapPopupOptions object.
# selectionState
• Optional selectionState: string
Set to bind feature selection to a Flo.w application state property. The application state property is the selected feature ID ('single' mode) or an array of selected feature IDs ('multi' mode).
Binding is two-way. Set the associated application state property to programmatically modify feature selection for this data source.
reactive
# sourceLayer
• Optional sourceLayer: string
The vector source layer to display. Defaults to 'geometry' for vector-type data sources. Omit for GeoJSON-type data sources.
# src
• src: string | FeatureCollection
Data source: dataset ID, external URL or GeoJSON FeatureCollection.
# type
• Optional type: string
Data source type: 'vector' or 'geojson'.