org.opentripplanner.ext.restapi.mapping.ElevationMapper Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of otp Show documentation

The OpenTripPlanner multimodal journey planning system

The newest version!

package org.opentripplanner.ext.restapi.mapping;

import org.opentripplanner.model.plan.ElevationProfile;

public class ElevationMapper {

  public static String mapElevation(ElevationProfile p) {
    if (p == null) {
      return null;
    }
    StringBuilder str = new StringBuilder();
    for (var step : p.steps()) {
      str.append(Math.round(step.x()));
      str.append(",");
      if (step.isYUnknown()) {
        str.append("NaN");
      } else {
        str.append(Math.round(step.y() * 10.0) / 10.0);
      }
      str.append(",");
    }
    if (str.length() > 0) {
      str.setLength(str.length() - 1);
    }
    return str.toString();
  }
}