60 lines
1.8 KiB
JavaScript
60 lines
1.8 KiB
JavaScript
import { getProp, parseSequence, getColor } from './util'
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import proj4 from 'proj4';
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export const LANDXML_POINT = 'cg_point';
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export function convertCGPoints(xmlObj, projection, opts) {
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const features = [];
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const pointsContainerNodes = getProp(xmlObj, "LandXML", "CgPoints");
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if (!pointsContainerNodes) return features;
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pointsContainerNodes.forEach(pc => {
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const attrs = (pc.$ || {});
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const baseProps = {
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name: attrs.name || "",
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description: attrs.description || "",
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};
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const pointNodes = getProp(pc, "CgPoint");
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if (!Array.isArray(pointNodes)) return;
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pointNodes.forEach(p => {
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const name = baseProps.name ? ( baseProps.name + ' - ' + p.$.name ) : p.$.name;
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const description = baseProps.description ? ( baseProps.description + ' - ' + p.$.desc ) : p.$.desc;
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const featureProps = {
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name: name,
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description: description,
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landxmlType: LANDXML_POINT,
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landxmlColor: getColor(`point-${name}`, opts.colorOpts),
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};
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const pointFeature = convertPoint(p, projection, featureProps, opts);
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features.push(pointFeature)
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});
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});
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return features;
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}
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function convertPoint(cgPoint, projection, featureProps) {
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let pointCoords = parseSequence(cgPoint._).map(v => parseFloat(v));
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pointCoords = [pointCoords[1], pointCoords[0], pointCoords[2]];
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pointCoords = proj4(projection, 'WGS84', pointCoords);
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return {
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type: "Feature",
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geometry: {
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type: "Point",
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coordinates: [...pointCoords],
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},
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properties: {
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...featureProps,
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landxmlAltitude: pointCoords[2],
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}
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};
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} |