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    addDefaultsToFilter.js config.js displayFiltersToWhere.js filterObjectToWhere.js filterObjectUtils.js filtersToTables.js healthCheck.js makeSql.js server.js units.js

  • addDefaultsToFilter.js

  • ¶ 
    "use strict";

var _ = require('underscore');

module.exports = function(filterObject, zoom, isPolygonRequest) {
  • ¶

    The client starts requesting the polygon layer at zoom level 15 and greater. For tiles at that zoom and greater, we should exclude polygon points, since we will be showing the polygon itself instead.

        if (zoom >= 15 && !isPolygonRequest) {
        var defaults = {'polygonalMapFeature.polygon': {'ISNULL': true}};
        if (_.isArray(filterObject)) {
            return ['AND', defaults, filterObject];
        } else {
            return _.extend({}, defaults, filterObject);
        }
    }

    return filterObject;
};