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Geovisto tool which provides support for data filtering

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Geovisto Filters Tool

Extension of the Geovisto core library which provides support for data filtering.

This repository is a snapshot of Geovisto tools/filters derived from the development repository: geovisto/geovisto-map.

Usage

import {
    GeovistoFiltersTool
} from 'geovisto-filters';
import 'geovisto-filters/dist/index.css';

// ,,,

// create instance of map with given props
const map = Geovisto.createMap({
  // ...
  tools?: Geovisto.createMapToolsManager([
    // instances of Geovisto tools (extensions) which will be directly used in the map
    // ...
    GeovistoFiltersTool.createTool({
      id: "geovisto-tool-filters",
      manager: GeovistoFiltersTool.createFiltersManager([
        // filter operations
        GeovistoFiltersTool.createFilterOperationEq(),
        GeovistoFiltersTool.createFilterOperationNeq(),
        GeovistoFiltersTool.createFilterOperationReg()
      ])
    }),
  ])
});

// rendering of the map
map.draw(Geovisto.getMapConfigManagerFactory().default({
  // initial settings of the map can be overriden by the map config - JSON structure providing user settings 
  // ...
  tools?: [
    // config of Geovisto tools (extensions) used in the map
    {
      "type": "geovisto-tool-filters",
      "id": "geovisto-tool-filters",
      "enabled": true,
      "filterRules": [
        {
          "domain": "domain",
          "operation": "!=",
          "pattern": "value"
        },
        // ...
      ]
    },
  ]
}));

Installation

npm install --save geovisto-filters

Peer dependencies:

npm install --save geovisto leaflet

This package serves as an extension of Geovisto core using the API for Geovisto tools (extensions). Follow Geovisto core on Github.

Extensions

New custom filter operations can be implemented by implementing the IMapFilterOperation interface.

License

MIT

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