terriajs
Version:
Geospatial data visualization platform.
66 lines • 3.34 kB
JavaScript
import Cartesian3 from "terriajs-cesium/Source/Core/Cartesian3";
import TimeIntervalCollection from "terriajs-cesium/Source/Core/TimeIntervalCollection";
import BillboardGraphics from "terriajs-cesium/Source/DataSources/BillboardGraphics";
import ConstantPositionProperty from "terriajs-cesium/Source/DataSources/ConstantPositionProperty";
import LabelGraphics from "terriajs-cesium/Source/DataSources/LabelGraphics";
import PointGraphics from "terriajs-cesium/Source/DataSources/PointGraphics";
import PropertyBag from "terriajs-cesium/Source/DataSources/PropertyBag";
import HeightReference from "terriajs-cesium/Source/Scene/HeightReference";
import TerriaFeature from "../Models/Feature/Feature";
import { getFeatureStyle } from "./getFeatureStyle";
export default function createLongitudeLatitudeFeaturePerRow(style, longitudes = style.longitudeColumn?.valuesAsNumbers.values, latitudes = style.latitudeColumn?.valuesAsNumbers.values) {
if (!longitudes || !latitudes)
return [];
const tableColumns = style.tableModel.tableColumns;
const intervals = style.moreThanOneTimeInterval
? (style.timeIntervals ?? [])
: [];
const rowIds = style.tableModel.rowIds;
const features = [];
for (let i = 0; i < rowIds.length; i++) {
const rowId = rowIds[i];
const longitude = longitudes[rowId];
const latitude = latitudes[rowId];
if (longitude === null || latitude === null) {
continue;
}
const { pointGraphicsOptions, billboardGraphicsOptions, labelGraphicsOptions, usePointGraphics } = getFeatureStyle(style, rowId);
const feature = new TerriaFeature({
position: new ConstantPositionProperty(Cartesian3.fromDegrees(longitude, latitude, 0.0)),
point: pointGraphicsOptions && usePointGraphics
? new PointGraphics({
...pointGraphicsOptions,
heightReference: HeightReference.CLAMP_TO_GROUND
})
: undefined,
billboard: billboardGraphicsOptions && !usePointGraphics
? new BillboardGraphics({
...billboardGraphicsOptions,
heightReference: HeightReference.CLAMP_TO_GROUND
})
: undefined,
label: labelGraphicsOptions
? new LabelGraphics({
...labelGraphicsOptions,
heightReference: HeightReference.CLAMP_TO_GROUND
})
: undefined
// Note: we don't add path/PathGraphicsOptions here as it is only relevant to time-series (see `createLongitudeLatitudeFeaturePerId.ts`)
});
const timeInterval = intervals[rowId];
if (timeInterval)
feature.availability = new TimeIntervalCollection([timeInterval]);
feature.properties = new PropertyBag(getRowValues(rowId, tableColumns));
feature.data = { rowIds: [rowId], type: "terriaFeatureData" };
features.push(feature);
}
return features;
}
export function getRowValues(index, tableColumns) {
const result = {};
tableColumns.forEach((column) => {
result[column.name] = column.valueFunctionForType(index);
});
return result;
}
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