node-red-contrib-tak-registration
Version:
A Node-RED node to register to TAK and to help wrap files as datapackages to send to TAK
62 lines (59 loc) • 2.45 kB
JavaScript
;Object.defineProperty(exports, "__esModule", {value: true}); function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { newObj[key] = obj[key]; } } } newObj.default = obj; return newObj; } }// index.ts
var _helpers = require('@turf/helpers');
var _invariant = require('@turf/invariant');
var _meta = require('@turf/meta');
var _flatten = require('@turf/flatten');
var _polyclipts = require('polyclip-ts'); var polyclip = _interopRequireWildcard(_polyclipts);
function dissolve(fc, options = {}) {
options = options || {};
if (!_helpers.isObject.call(void 0, options)) throw new Error("options is invalid");
const { propertyName } = options;
_invariant.collectionOf.call(void 0, fc, "Polygon", "dissolve");
const outFeatures = [];
if (!propertyName) {
return _flatten.flatten.call(void 0,
_helpers.multiPolygon.call(void 0,
polyclip.union.apply(
null,
// List of polygons expressed as Position[][][] a.k.a. Geom[]
fc.features.map(function(f) {
return f.geometry.coordinates;
})
)
)
);
} else {
const uniquePropertyVals = {};
_meta.featureEach.call(void 0, fc, function(feature) {
if (feature.properties) {
if (!Object.prototype.hasOwnProperty.call(
uniquePropertyVals,
feature.properties[propertyName]
)) {
uniquePropertyVals[feature.properties[propertyName]] = [];
}
uniquePropertyVals[feature.properties[propertyName]].push(feature);
}
});
const vals = Object.keys(uniquePropertyVals);
for (let i = 0; i < vals.length; i++) {
const mp = _helpers.multiPolygon.call(void 0,
polyclip.union.apply(
null,
// List of polygons expressed as Position[][][] a.k.a. Geom[]
uniquePropertyVals[vals[i]].map(function(f) {
return f.geometry.coordinates;
})
)
);
if (mp && mp.properties) {
mp.properties[propertyName] = vals[i];
outFeatures.push(mp);
}
}
}
return _flatten.flatten.call(void 0, _helpers.featureCollection.call(void 0, outFeatures));
}
var turf_dissolve_default = dissolve;
exports.default = turf_dissolve_default; exports.dissolve = dissolve;
//# sourceMappingURL=index.cjs.map