uavsim.graphics.instruments.verticalspeedindicator
Class VerticalSpeedIndicator

java.lang.Object
  uavsim.graphics.instruments.A_Instrument
      uavsim.graphics.instruments.A_CircularInstrument<Altitude>
          uavsim.graphics.instruments.verticalspeedindicator.VerticalSpeedIndicator

All Implemented Interfaces:

java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.util.EventListener, javax.swing.event.MouseInputListener, I_AngleMapper<Altitude>

public class VerticalSpeedIndicator
extends A_CircularInstrument<Altitude>

Defines a vertical speed indicator.

Author:

Dan Tappan [21.06.11]

Field Summary

private Altitude	_altitudePrevious the altitude at the previous sample
private Altitude	_rateOfChangeAverage the average rate of change in altitude
private Time	_timePrevious the time at the previous sample
private static CircularFaceplateDescriptor<Altitude>	FACEPLATE the faceplate descriptor
private static TickDescriptor<Altitude>	MAJOR_TICKS the major-ticks descriptor
private static TickDescriptor<Altitude>	MINOR_TICKS the minor-ticks descriptor
private static NeedleDescriptor	NEEDLE the needle descriptor
private static NumberDescriptor<Altitude>	NUMBERS the numbers descriptor
private static TextProperties	NUMBERS_TEXT the text properties of the numbers
private static Altitude	RATE_MAX the maximum climb rate
private static Altitude	RATE_MIN the maximum descent rate

Fields inherited from class uavsim.graphics.instruments.A_CircularInstrument

_ringSize, DISK_COLOR, MOUNT_RING_COLOR, MOUNT_RING_INNER_SCALE

Fields inherited from class uavsim.graphics.instruments.A_Instrument

_canvasAnchor, _canvasSize, _graphics, _id

Constructor Summary

VerticalSpeedIndicator(java.lang.String id, int canvasSize, CoordinateCartesianAbsolute canvasAnchor)
Creates a vertical speed indicator.

Method Summary

Altitude	getRateOfChange() Gets the average rate of altitude change.
AngleMathematical	mapAngle_(Altitude rateOfChange) Returns the angle corresponding to the value of a unit.
void	render(java.awt.Graphics graphics) Renders the current state of the instrument.
private void	renderNeedle() Renders the needle
private void	renderNumbers() Renders the numbers.
private void	renderTicks() Renders the major and minor ticks.
private void	sampleRateOfChange(Altitude altitude, Time time) Records an altitude entry to calculates the average rate of change per minute.
java.lang.String	toString()
void	update(Altitude altitude, Time time) Updates the state of the instrument without rendering it.

Methods inherited from class uavsim.graphics.instruments.A_CircularInstrument

mapAngle, renderDisk, renderMountRing

Methods inherited from class uavsim.graphics.instruments.A_Instrument

getAnchor, getCanvasSize, getGraphics, getID, getParentComponent, handleControlCallback, hasControls, mouseClicked, mouseDragged, mouseEntered, mouseExited, mouseMoved, mousePressed, mouseReleased, refresh, registerControl, setCanvasAnchor, setCanvasSize, setParentComponent

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

_altitudePrevious

private Altitude _altitudePrevious

the altitude at the previous sample

_rateOfChangeAverage

private Altitude _rateOfChangeAverage

the average rate of change in altitude

_timePrevious

private Time _timePrevious

the time at the previous sample

FACEPLATE

private static final CircularFaceplateDescriptor<Altitude> FACEPLATE

the faceplate descriptor

MAJOR_TICKS

private static final TickDescriptor<Altitude> MAJOR_TICKS

the major-ticks descriptor

MINOR_TICKS

private static final TickDescriptor<Altitude> MINOR_TICKS

the minor-ticks descriptor

NEEDLE

private static final NeedleDescriptor NEEDLE

the needle descriptor

NUMBERS

private static final NumberDescriptor<Altitude> NUMBERS

the numbers descriptor

NUMBERS_TEXT

private static final TextProperties NUMBERS_TEXT

the text properties of the numbers

RATE_MAX

private static final Altitude RATE_MAX

the maximum climb rate

RATE_MIN

private static final Altitude RATE_MIN

the maximum descent rate

Constructor Detail

VerticalSpeedIndicator

public VerticalSpeedIndicator(java.lang.String id,
                              int canvasSize,
                              CoordinateCartesianAbsolute canvasAnchor)

Creates a vertical speed indicator.

Parameters:

id - - the unique instrument identifier

canvasSize - - the square size of the instrument footprint in pixels

canvasAnchor - - the anchor position for the center of the canvas in pixels

Method Detail

getRateOfChange

public Altitude getRateOfChange()

Gets the average rate of altitude change.

Returns:

the change

mapAngle_

public AngleMathematical mapAngle_(Altitude rateOfChange)

Returns the angle corresponding to the value of a unit.

Parameters:

rateOfChange - - the unit

Returns:

the angle

render

public void render(java.awt.Graphics graphics)

Renders the current state of the instrument.

Overrides:

render in class A_CircularInstrument<Altitude>

Parameters:

graphics - - the graphics context

renderNeedle

private void renderNeedle()

Renders the needle

renderNumbers

private void renderNumbers()

Renders the numbers.

renderTicks

private void renderTicks()

Renders the major and minor ticks.

sampleRateOfChange

private void sampleRateOfChange(Altitude altitude,
                                Time time)

Records an altitude entry to calculates the average rate of change per minute.

Parameters:

altitude - - the altitude

time - - the time

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

update

public void update(Altitude altitude,
                   Time time)

Updates the state of the instrument without rendering it.

Parameters:

altitude - - the altitude

time - - the time