ch.aplu.ev3

Class NxtColorSensor

java.lang.Object

ch.aplu.ev3.Part

ch.aplu.ev3.Sensor

ch.aplu.ev3.NxtColorSensor

public class NxtColorSensor
extends Sensor

Class that represents a color sensor (Lego NXT color sensor).

Constructor Summary

Constructors

Constructor and Description
NxtColorSensor() Creates a sensor instance connected to port S1.
NxtColorSensor(SensorPort port) Creates a sensor instance connected to the given port.

Method Summary

Methods

Modifier and Type	Method and Description
java.awt.Color	getColor() Polls the sensor.
int	getColorInt() Polls the sensor.
int	getLightValue() Returns the intensity of the detected light.
static boolean	inColorCube(java.awt.Color color, int[] colorCube) Checks if given color lies within given color cube.
void	setFloodlight(int colorValue) Turns the red, green or blue LED on or all off.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NxtColorSensor

public NxtColorSensor(SensorPort port)

Creates a sensor instance connected to the given port.

Parameters:

port - the port where the sensor is plugged-in

NxtColorSensor

public NxtColorSensor()

Creates a sensor instance connected to port S1.

Method Detail

getColor

public java.awt.Color getColor()

Polls the sensor. Returns the java.awt.color of the color.

Returns:

the current color

getColorInt

public int getColorInt()

Polls the sensor. Returns the color as integer value. Red in bits 0..6, Green in bits 7..15, Blue in bits 16..23, 1 in bits 24..31.

Returns:

color int

getLightValue

public int getLightValue()

Returns the intensity of the detected light.

Returns:

light intensity (0..1023)

setFloodlight

public void setFloodlight(int colorValue)

Turns the red, green or blue LED on or all off.

Parameters:

colorValue - 0: red, 1: green, 2: blue, -1: all off

inColorCube

public static boolean inColorCube(java.awt.Color color,
                  int[] colorCube)

Checks if given color lies within given color cube.

Parameters:

color - the color to check

colorCube - an integer array of 6 boundary values in the order: red_min, red_max, green_min, green_max, blue_min, blue_max

Returns:

true, if the color is within the color cube; otherwise false