org.opentripplanner.routing.util.SlopeCosts Maven / Gradle / Ivy

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package org.opentripplanner.routing.util;

public class SlopeCosts {

  public final boolean flattened;
  public final double slopeSpeedFactor; // The slope speed factor multiplier, w/o units
  public final double slopeWorkFactor; // The slope work factor in joules per meters at 5 m/s
  public final double maxSlope; // Max{abs(slope)}
  public final double slopeSafetyCost; // An additional safety cost caused by the slope
  public final double lengthMultiplier; // Multiplier to get true length based on flat (projected) length

  /**
   * The distance adjusted to incorporate the effect of the slope. Let say the distance is 1000 m
   * and 5% uphill, then we can use e.g. the Tobler function to calculate the increase of 19% to
   * walk such a distance. We add that percentage to the 'flat' distance and get 1190m.
   */
  public final double effectiveWalkFactor;

  SlopeCosts(
    double slopeSpeedFactor,
    double slopeWorkFactor,
    double slopeSafetyCost,
    double maxSlope,
    double lengthMultiplier,
    boolean flattened,
    double effectiveWalkFactor
  ) {
    this.slopeSpeedFactor = slopeSpeedFactor;
    this.slopeWorkFactor = slopeWorkFactor;
    this.slopeSafetyCost = slopeSafetyCost;
    this.maxSlope = maxSlope;
    this.lengthMultiplier = lengthMultiplier;
    this.flattened = flattened;
    this.effectiveWalkFactor = effectiveWalkFactor;
  }
}