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135 lines
3.0 KiB
TypeScript
135 lines
3.0 KiB
TypeScript
// Type definitions for heatmap.js v2.0
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// Project: https://github.com/pa7/heatmap.js/
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// Definitions by: Yang Guan <https://github.com/lookuptable>
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// Definitions: https://github.com/borisyankov/DefinitelyTyped
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/// <reference path="../leaflet/leaflet.d.ts" />
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/*
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* Configuration object of a heatmap
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*/
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interface HeatmapConfiguration {
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/*
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* A background color string in form of hexcode, color name, or rgb(a)
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*/
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backgroundColor?: string;
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/*
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* The blur factor that will be applied to all datapoints. The higher the
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* blur factor is, the smoother the gradients will be
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* Default value: 0.85
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*/
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blur?: number;
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/*
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* An object that represents the gradient
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*/
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gradient?: any;
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/*
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* The property name of your latitude coordinate in a datapoint
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* Default value: 'x'
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*/
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latField?: string;
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/*
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* The property name of your longitude coordinate in a datapoint
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* Default value: 'y'
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*/
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lngField?: string;
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/*
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* The maximal opacity the highest value in the heatmap will have. (will be
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* overridden if opacity set)
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* Default value: 0.6
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*/
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maxOpacity?: number;
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/*
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* The minimum opacity the lowest value in the heatmap will have (will be
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* overridden if opacity set)
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*/
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minOpacity?: number;
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/*
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* A global opacity for the whole heatmap. This overrides maxOpacity and
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* minOpacity if set
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*/
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opacity?: number;
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/*
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* The radius each datapoint will have (if not specified on the datapoint
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* itself)
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*/
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radius?: number;
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/*
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* Indicate whether the heatmap should use a global extrema or a local
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* extrema (the maximum and minimum of the currently displayed viewport)
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*/
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useLocalExtrema?: boolean;
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/*
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* The property name of the value/weight in a datapoint
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*/
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valueField: string;
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}
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/*
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* A single data point on a heatmap. The keys are specified by
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* HeatmapConfig.latField, HeatmapConfig.lngField and HeatmapConfig.valueField
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*/
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interface HeatmapDataPoint {
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[index: string]: number;
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}
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/*
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* An object representing the set of data points on a heatmap
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*/
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interface HeatmapData {
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/*
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* An array of HeatmapDataPoints
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*/
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data: HeatmapDataPoint[];
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/*
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* Max value of the valueField
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*/
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max?: number;
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/*
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* Min value of the valueField
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*/
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min?: number;
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}
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/*
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* The overlay layer to be added onto leaflet map
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*/
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declare class HeatmapOverlay {
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/*
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* Initialization function
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*/
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constructor(configuration: HeatmapConfiguration)
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/*
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* Create DOM elements for an overlay, adding them to map panes and puts
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* listeners on relevant map events
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*/
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onAdd(map: L.Map): void;
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/*
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* Remove the overlay's elements from the DOM and remove listeners
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* previously added by onAdd()
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*/
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onRemove(map: L.Map): void;
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/*
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* Initialize a heatmap instance with the given dataset
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*/
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setData(data: HeatmapData): void;
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}
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