const analysis = new ElevationProfileAnalysis({
  profiles: [
    // first profile line samples the ground elevation
    {
      type: "ground",
      color: "rgba(150, 75, 0, 0.2)",
    },
    // second profile samples the clicked cabel railway line
    {
      type: "input",
      color: "rgba(30, 160, 220, 1)",
    },
  ],
});
viewElement.analyses.add(analysis);

const analysisView = await viewElement.whenAnalysisView(analysis);

// Use AbortController to stop the picking operation at some later point
let abortController;

async function startPicking() {
  // Stop any pending picking operation.
  abortController?.abort();
  // Create a new abort controller for the new operation and get a reference to its signal.
  abortController = new AbortController();
  const { signal } = abortController;
  try {
    // After one line is picked, call the pickFeature() method again.
    // This is done until the picking is stopped/aborted.
    while (!signal.aborted) {
      // Start picking a feature from the scene and get reference to the returned results.
      const pickedResult = await analysisView.pickFeature({
        signal,
      });
      if (signal.aborted) {
        return;
      }
    }
  } catch (error) {
    if (error.name === "AbortError") {
      console.log("Picking operation was stopped.");
    }
  }
}