Package org.opentrafficsim.draw.core

Class BoundsPaintScale

java.lang.Object
org.opentrafficsim.draw.core.BoundsPaintScale
All Implemented Interfaces:
Serializable, PaintScale, ColorPaintScale
public class BoundsPaintScale extends Object implements ColorPaintScale, Serializable
Paint scale interpolating between colors at values.

Copyright (c) 2013-2023 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
BSD-style license. See OpenTrafficSim License.

Author:
Alexander Verbraeck, Peter Knoppers, Wouter Schakel
See Also:

  • Field Details

    • GREEN_RED

      public static final Color[] GREEN_RED
      3-color scale from green to red.

    • GREEN_RED_DARK

      public static final Color[] GREEN_RED_DARK
      5-color scale from green to red with dark edges.

  • Constructor Details

    • BoundsPaintScale

      public BoundsPaintScale(double[] bounds, Color[] boundColors) throws IllegalArgumentException
      Constructor.
      Parameters:
      bounds - double[]; value bounds
      boundColors - Color[]; colors at bounds
      Throws:
      IllegalArgumentException - if less than 2 bounds, unequal number of bounds and colors, or duplicate bounds

  • Method Details

    • reverse

      public static Color[] reverse(Color[] colors)
      Reverses the color array.
      Parameters:
      colors - Color[]; array of colors
      Returns:
      Color[]; reversed color array

    • hue

      public static Color[] hue(int n)
      Creates an array of n colors with varying hue.
      Parameters:
      n - int; number of colors.
      Returns:
      Color[]; array of n colors with varying hue

    • getPaint

      public Color getPaint(double value)
      Specified by:
      getPaint in interface ColorPaintScale
      Specified by:
      getPaint in interface PaintScale

    • getLowerBound

      public final double getLowerBound()
      Specified by:
      getLowerBound in interface PaintScale

    • getUpperBound

      public final double getUpperBound()
      Specified by:
      getUpperBound in interface PaintScale

    • toString

      public String toString()
      Overrides:
      toString in class Object