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Added configurable wind direction in simulation options.

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- added Ground Track plot type
- changed parameter names to East-West/North-South from parallel to wind and lateral
This commit is contained in:
Craig Earls 2014-12-20 20:55:15 -07:00
parent c85fe63ed8
commit 6ce7f0c23a
5 changed files with 86 additions and 15 deletions
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7
core/resources/l10n/messages.properties
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@ -332,6 +332,8 @@ simedtdlg.lbl.Wind = Wind
simedtdlg.lbl.Averwindspeed = Average windspeed:
simedtdlg.lbl.ttip.Averwindspeed = The average windspeed relative to the ground.
simedtdlg.lbl.Stddeviation = Standard deviation:
simedtdlg.lbl.Winddirection = Wind direction:
simedtdlg.lbl.ttip.Winddirection = <html>Wind direction, 0-360 degrees. <br>0 means from the north,<br> 90 is from the east
simedtdlg.lbl.ttip.Stddeviation = <html>The standard deviation of the windspeed.<br>The windspeed is within twice the standard deviation from the average for 95% of the time.
simedtdlg.lbl.Turbulenceintensity = Turbulence intensity:
simedtdlg.lbl.ttip.Turbulenceintensity1 = <html>The turbulence intensity is the standard deviation divided by the average windspeed.<br>
@ -1477,8 +1479,8 @@ FlightDataType.TYPE_VELOCITY_Z = Vertical velocity
FlightDataType.TYPE_ACCELERATION_Z = Vertical acceleration
FlightDataType.TYPE_VELOCITY_TOTAL = Total velocity
FlightDataType.TYPE_ACCELERATION_TOTAL = Total acceleration
FlightDataType.TYPE_POSITION_X = Position upwind
FlightDataType.TYPE_POSITION_Y = Position parallel to wind
FlightDataType.TYPE_POSITION_X = Position East-West
FlightDataType.TYPE_POSITION_Y = Position North-South
FlightDataType.TYPE_POSITION_XY = Lateral distance
FlightDataType.TYPE_POSITION_DIRECTION = Lateral direction
FlightDataType.TYPE_VELOCITY_XY = Lateral velocity
@ -1536,6 +1538,7 @@ PlotConfiguration.Dragcoef = Drag coefficients vs. Mach number
PlotConfiguration.Rollcharacteristics = Roll characteristics
PlotConfiguration.Angleofattack = Angle of attack and orientation vs. time
PlotConfiguration.Simulationtime = Simulation time step and computation time
PlotConfiguration.Groundtrack = Ground track
! Warning
Warning.LargeAOA.str1 = Large angle of attack encountered.

29
core/src/net/sf/openrocket/models/wind/PinkNoiseWindModel.java
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@ -18,8 +18,8 @@ public class PinkNoiseWindModel implements WindModel {
/** Random value with which to XOR the random seed value */
private static final int SEED_RANDOMIZATION = 0x7343AA03;
/** Pink noise alpha parameter. */
private static final double ALPHA = 5.0 / 3.0;
@ -32,8 +32,9 @@ public class PinkNoiseWindModel implements WindModel {
/** Time difference between random samples. */
private static final double DELTA_T = 0.05;
private double average = 0;
private double direction = Math.PI / 2; // this is an East wind
private double standardDeviation = 0;
private final int seed;
@ -52,7 +53,7 @@ public class PinkNoiseWindModel implements WindModel {
}
/**
* Return the average wind speed.
*
@ -74,8 +75,14 @@ public class PinkNoiseWindModel implements WindModel {
setTurbulenceIntensity(intensity);
}
public void setDirection(double direction) {
this.direction = direction;
}
public double getDirection() {
return this.direction;
}
/**
* Return the standard deviation from the average wind speed.
*
@ -120,9 +127,9 @@ public class PinkNoiseWindModel implements WindModel {
}
@Override
public Coordinate getWindVelocity(double time, double altitude) {
if (time < 0) {
@ -150,8 +157,8 @@ public class PinkNoiseWindModel implements WindModel {
double a = (time - time1) / DELTA_T;
double speed = average + (value1 * (1 - a) + value2 * a) * standardDeviation / STDDEV;
// TODO: MEDIUM: Make wind direction configurable
return new Coordinate(speed, 0, 0);
return new Coordinate(speed * Math.sin(direction), speed * Math.cos(direction), 0);
}
@ -160,7 +167,7 @@ public class PinkNoiseWindModel implements WindModel {
}
@Override
public int getModID() {
return (int) (average * 1000 + standardDeviation);

27
core/src/net/sf/openrocket/simulation/SimulationOptions.java
View File

@ -68,7 +68,7 @@ public class SimulationOptions implements ChangeSource, Cloneable {
private double windAverage = 2.0;
private double windTurbulence = 0.1;
private double windDirection = Math.PI / 2;
/*
* SimulationOptions maintains the launch site parameters as separate double values,
@ -211,8 +211,25 @@ public class SimulationOptions implements ChangeSource, Cloneable {
}
/**
* Set the wind direction
*
* @param direction the wind direction
*/
public void setWindDirection(double direction) {
direction = MathUtil.reduce360(direction);
if (MathUtil.equals(this.windDirection, direction))
return;
this.windDirection = direction;
fireChangeEvent();
}
public double getWindDirection() {
return this.windDirection;
}
public double getLaunchAltitude() {
return launchAltitude;
@ -446,6 +463,7 @@ public class SimulationOptions implements ChangeSource, Cloneable {
this.timeStep = src.timeStep;
this.windAverage = src.windAverage;
this.windTurbulence = src.windTurbulence;
this.windDirection = src.windDirection;
this.calculateExtras = src.calculateExtras;
this.randomSeed = src.randomSeed;
@ -501,6 +519,10 @@ public class SimulationOptions implements ChangeSource, Cloneable {
isChanged = true;
this.windAverage = src.windAverage;
}
if (this.windDirection != src.windDirection) {
isChanged = true;
this.windDirection = src.windDirection;
}
if (this.windTurbulence != src.windTurbulence) {
isChanged = true;
this.windTurbulence = src.windTurbulence;
@ -542,6 +564,7 @@ public class SimulationOptions implements ChangeSource, Cloneable {
MathUtil.equals(this.timeStep, o.timeStep) &&
MathUtil.equals(this.windAverage, o.windAverage) &&
MathUtil.equals(this.windTurbulence, o.windTurbulence) &&
MathUtil.equals(this.windDirection, o.windDirection) &&
this.calculateExtras == o.calculateExtras && this.randomSeed == o.randomSeed);
}
@ -595,6 +618,8 @@ public class SimulationOptions implements ChangeSource, Cloneable {
PinkNoiseWindModel windModel = new PinkNoiseWindModel(randomSeed);
windModel.setAverage(getWindSpeedAverage());
windModel.setStandardDeviation(getWindSpeedDeviation());
windModel.setDirection(windDirection);
conditions.setWindModel(windModel);
conditions.setAtmosphericModel(getAtmosphericModel());

12
swing/src/net/sf/openrocket/gui/plot/PlotConfiguration.java
View File

@ -67,6 +67,18 @@ public class PlotConfiguration implements Cloneable {
config.setEvent(FlightEvent.Type.TUMBLE, true);
config.setEvent(FlightEvent.Type.EXCEPTION, true);
configs.add(config);
//// Ground track
config = new PlotConfiguration(trans.get("PlotConfiguration.Groundtrack"), FlightDataType.TYPE_POSITION_X);
config.addPlotDataType(FlightDataType.TYPE_POSITION_Y, 0);
config.addPlotDataType(FlightDataType.TYPE_ALTITUDE, 1);
config.setEvent(FlightEvent.Type.IGNITION, true);
config.setEvent(FlightEvent.Type.BURNOUT, true);
config.setEvent(FlightEvent.Type.APOGEE, true);
config.setEvent(FlightEvent.Type.RECOVERY_DEVICE_DEPLOYMENT, true);
config.setEvent(FlightEvent.Type.GROUND_HIT, true);
configs.add(config);
//// Stability vs. time
config = new PlotConfiguration(trans.get("PlotConfiguration.Stability"));

26
swing/src/net/sf/openrocket/gui/simulation/SimulationConditionsPanel.java
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@ -43,7 +43,7 @@ public class SimulationConditionsPanel extends JPanel {
DoubleModel m;
JSpinner spin;
//// Wind settings: Average wind speed, turbulence intensity, std. deviation
//// Wind settings: Average wind speed, turbulence intensity, std. deviation, and direction
sub = new JPanel(new MigLayout("fill, gap rel unrel",
"[grow][65lp!][30lp!][75lp!]", ""));
//// Wind
@ -100,6 +100,30 @@ public class SimulationConditionsPanel extends JPanel {
slider.setToolTipText(tip);
sub.add(slider, "w 75lp, wrap");
// Wind Direction:
label = new JLabel(trans.get("simedtdlg.lbl.Winddirection"));
//// Direction of the wind. 0 is north
tip = trans.get("simedtdlg.lbl.ttip.Winddirection");
label.setToolTipText(tip);
sub.add(label);
m = new DoubleModel(conditions, "WindDirection", 1.0, UnitGroup.UNITS_ANGLE,
0, 2*Math.PI);
spin = new JSpinner(m.getSpinnerModel());
spin.setEditor(new SpinnerEditor(spin));
spin.setToolTipText(tip);
sub.add(spin, "w 65lp!");
unit = new UnitSelector(m);
unit.setToolTipText(tip);
sub.add(unit, "growx");
slider = new BasicSlider(m.getSliderModel(0, 2*Math.PI));
slider.setToolTipText(tip);
sub.add(slider, "w 75lp, wrap");
// Wind turbulence intensity
//// Turbulence intensity: