1
0
mirror of https://bitbucket.org/librepilot/librepilot.git synced 2025-01-18 03:52:11 +01:00

Merge branch 'next' into corvuscorax/OP-947_stateestimator-module

This commit is contained in:
Corvus Corax 2013-06-07 21:55:12 +02:00
commit e8e99f54aa
6 changed files with 306 additions and 384 deletions

View File

@ -353,19 +353,6 @@ margin:1px;</string>
</item>
<item row="2" column="0" colspan="3">
<layout class="QHBoxLayout" name="horizontalLayout_3">
<item>
<spacer name="horizontalSpacer_5">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item>
<widget class="QCheckBox" name="zeroGyroBiasOnArming">
<property name="toolTip">
@ -391,50 +378,59 @@ arming it in that case!</string>
</property>
</spacer>
</item>
<item>
<layout class="QHBoxLayout" name="horizontalLayout_4">
<item>
<widget class="QLabel" name="label_5">
<property name="minimumSize">
<size>
<width>0</width>
<height>0</height>
</size>
</property>
<property name="toolTip">
<string/>
</property>
<property name="text">
<string>AccelTau</string>
</property>
</widget>
</item>
<item>
<spacer name="horizontalSpacer_12">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeType">
<enum>QSizePolicy::Fixed</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>10</width>
<height>0</height>
</size>
</property>
</spacer>
</item>
<item>
<widget class="QDoubleSpinBox" name="accelTauSpinbox">
<property name="minimumSize">
<size>
<width>60</width>
<height>0</height>
</size>
</property>
<property name="toolTip">
<string>Accelerometer filtering.
</layout>
</item>
</layout>
</widget>
</item>
<item>
<widget class="QGroupBox" name="groupBox_3">
<property name="title">
<string>Filtering</string>
</property>
<layout class="QHBoxLayout" name="horizontalLayout_5">
<item>
<widget class="QLabel" name="label_5">
<property name="minimumSize">
<size>
<width>0</width>
<height>0</height>
</size>
</property>
<property name="toolTip">
<string/>
</property>
<property name="text">
<string>Accelerometers</string>
</property>
</widget>
</item>
<item>
<spacer name="horizontalSpacer_12">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeType">
<enum>QSizePolicy::Fixed</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>10</width>
<height>0</height>
</size>
</property>
</spacer>
</item>
<item>
<widget class="QDoubleSpinBox" name="accelTauSpinbox">
<property name="minimumSize">
<size>
<width>60</width>
<height>0</height>
</size>
</property>
<property name="toolTip">
<string>Accelerometer filtering.
Sets the amount of lowpass filtering of accelerometer data
for the attitude estimation. Higher values apply a stronger
@ -444,34 +440,30 @@ Range: 0.00 - 0.20, Good starting value: 0.05 - 0.10
Start low and raise until drift stops.
A setting of 0.00 disables the filter.</string>
</property>
<property name="decimals">
<number>2</number>
</property>
<property name="maximum">
<double>0.200000000000000</double>
</property>
<property name="singleStep">
<double>0.010000000000000</double>
</property>
</widget>
</item>
</layout>
</item>
<item>
<spacer name="horizontalSpacer_11">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
</layout>
</property>
<property name="decimals">
<number>2</number>
</property>
<property name="maximum">
<double>0.200000000000000</double>
</property>
<property name="singleStep">
<double>0.010000000000000</double>
</property>
</widget>
</item>
<item>
<spacer name="horizontalSpacer_5">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
</layout>
</widget>

View File

@ -1106,15 +1106,15 @@ void ConfigCcpmWidget::SwashLvlStartButtonPressed()
MaxField = obj->getField(QString("ChannelMax"));
// channel assignments
oldSwashLvlConfiguration.ServoChannels[0] = m_aircraft->ccpmServoWChannel->currentIndex();
oldSwashLvlConfiguration.ServoChannels[1] = m_aircraft->ccpmServoXChannel->currentIndex();
oldSwashLvlConfiguration.ServoChannels[2] = m_aircraft->ccpmServoYChannel->currentIndex();
oldSwashLvlConfiguration.ServoChannels[3] = m_aircraft->ccpmServoZChannel->currentIndex();
oldSwashLvlConfiguration.ServoChannels[0] = m_aircraft->ccpmServoWChannel->currentIndex() - 1;
oldSwashLvlConfiguration.ServoChannels[1] = m_aircraft->ccpmServoXChannel->currentIndex() - 1;
oldSwashLvlConfiguration.ServoChannels[2] = m_aircraft->ccpmServoYChannel->currentIndex() - 1;
oldSwashLvlConfiguration.ServoChannels[3] = m_aircraft->ccpmServoZChannel->currentIndex() - 1;
// if servos are used
oldSwashLvlConfiguration.Used[0] = ((m_aircraft->ccpmServoWChannel->currentIndex() > 0) && (m_aircraft->ccpmServoWChannel->isEnabled()));
oldSwashLvlConfiguration.Used[1] = ((m_aircraft->ccpmServoXChannel->currentIndex() > 0) && (m_aircraft->ccpmServoXChannel->isEnabled()));
oldSwashLvlConfiguration.Used[2] = ((m_aircraft->ccpmServoYChannel->currentIndex() > 0) && (m_aircraft->ccpmServoYChannel->isEnabled()));
oldSwashLvlConfiguration.Used[3] = ((m_aircraft->ccpmServoZChannel->currentIndex() > 0) && (m_aircraft->ccpmServoZChannel->isEnabled()));
oldSwashLvlConfiguration.Used[0] = ((m_aircraft->ccpmServoWChannel->isEnabled()) && (m_aircraft->ccpmServoWChannel->currentIndex() > 0));
oldSwashLvlConfiguration.Used[1] = ((m_aircraft->ccpmServoXChannel->isEnabled()) && (m_aircraft->ccpmServoXChannel->currentIndex() > 0));
oldSwashLvlConfiguration.Used[2] = ((m_aircraft->ccpmServoYChannel->isEnabled()) && (m_aircraft->ccpmServoYChannel->currentIndex() > 0));
oldSwashLvlConfiguration.Used[3] = ((m_aircraft->ccpmServoZChannel->isEnabled()) && (m_aircraft->ccpmServoZChannel->currentIndex() > 0));
// min,neutral,max values for the servos
for (i = 0; i < CCPM_MAX_SWASH_SERVOS; i++) {
oldSwashLvlConfiguration.Min[i] = MinField->getValue(oldSwashLvlConfiguration.ServoChannels[i]).toInt();

View File

@ -49,35 +49,6 @@ bool ConfigPlugin::initialize(const QStringList & args, QString *errMsg)
cf = new ConfigGadgetFactory(this);
addAutoReleasedObject(cf);
// Add Menu entry to erase all settings
Core::ActionManager *am = Core::ICore::instance()->actionManager();
Core::ActionContainer *ac = am->actionContainer(Core::Constants::M_TOOLS);
// Command to erase all settings from the board
cmd = am->registerAction(new QAction(this),
"ConfigPlugin.EraseAll",
QList<int>() <<
Core::Constants::C_GLOBAL_ID);
cmd->action()->setText(tr("Erase all settings from board..."));
ac->menu()->addSeparator();
ac->appendGroup("Utilities");
ac->addAction(cmd, "Utilities");
connect(cmd->action(), SIGNAL(triggered(bool)), this, SLOT(eraseAllSettings()));
// *********************
// Listen to autopilot connection events
ExtensionSystem::PluginManager *pm = ExtensionSystem::PluginManager::instance();
TelemetryManager *telMngr = pm->getObject<TelemetryManager>();
connect(telMngr, SIGNAL(connected()), this, SLOT(onAutopilotConnect()));
connect(telMngr, SIGNAL(disconnected()), this, SLOT(onAutopilotDisconnect()));
// And check whether by any chance we are not already connected
if (telMngr->isConnected()) {
onAutopilotConnect();
}
return true;
}
@ -95,113 +66,10 @@ UAVObjectManager *ConfigPlugin::getObjectManager()
void ConfigPlugin::extensionsInitialized()
{
cmd->action()->setEnabled(false);
}
void ConfigPlugin::shutdown()
{
// Do nothing
}
/**
* Enable the menu entry when the autopilot connects
*/
void ConfigPlugin::onAutopilotConnect()
{
cmd->action()->setEnabled(true);
}
/**
* Enable the menu entry when the autopilot connects
*/
void ConfigPlugin::onAutopilotDisconnect()
{
cmd->action()->setEnabled(false);
}
/**
* Erase all settings from the board
*/
void ConfigPlugin::eraseAllSettings()
{
QMessageBox msgBox;
msgBox.setText(tr("Are you sure you want to erase all board settings?."));
msgBox.setInformativeText(tr("All settings stored in your board flash will be deleted."));
msgBox.setStandardButtons(QMessageBox::Ok | QMessageBox::Cancel);
msgBox.setDefaultButton(QMessageBox::Ok);
if (msgBox.exec() != QMessageBox::Ok) {
return;
}
settingsErased = false;
ObjectPersistence *objper = ObjectPersistence::GetInstance(getObjectManager());
Q_ASSERT(objper);
connect(objper, SIGNAL(objectUpdated(UAVObject *)), this, SLOT(eraseDone(UAVObject *)));
ObjectPersistence::DataFields data = objper->getData();
data.Operation = ObjectPersistence::OPERATION_FULLERASE;
// No need for manual updated event, this is triggered by setData
// based on UAVO meta data
objper->setData(data);
objper->updated();
QTimer::singleShot(FLASH_ERASE_TIMEOUT_MS, this, SLOT(eraseFailed()));
}
void ConfigPlugin::eraseFailed()
{
if (settingsErased) {
return;
}
ObjectPersistence *objper = ObjectPersistence::GetInstance(getObjectManager());
ObjectPersistence::DataFields data = objper->getData();
if (data.Operation == ObjectPersistence::OPERATION_FULLERASE) {
// First attempt via flash erase failed. Fall back on erase all settings
data.Operation = ObjectPersistence::OPERATION_DELETE;
data.Selection = ObjectPersistence::SELECTION_ALLSETTINGS;
objper->setData(data);
objper->updated();
QTimer::singleShot(FLASH_ERASE_TIMEOUT_MS, this, SLOT(eraseFailed()));
} else {
disconnect(objper, SIGNAL(objectUpdated(UAVObject *)), this, SLOT(eraseDone(UAVObject *)));
QMessageBox msgBox;
msgBox.setText(tr("Error trying to erase settings."));
msgBox.setInformativeText(tr("Power-cycle your board after removing all blades. Settings might be inconsistent."));
msgBox.setStandardButtons(QMessageBox::Ok);
msgBox.setDefaultButton(QMessageBox::Ok);
msgBox.exec();
}
}
void ConfigPlugin::eraseDone(UAVObject *obj)
{
QMessageBox msgBox;
ObjectPersistence *objper = ObjectPersistence::GetInstance(getObjectManager());
ObjectPersistence::DataFields data = objper->getData();
Q_ASSERT(obj->getInstID() == objper->getInstID());
if (data.Operation != ObjectPersistence::OPERATION_COMPLETED) {
return;
}
disconnect(objper, SIGNAL(objectUpdated(UAVObject *)), this, SLOT(eraseDone(UAVObject *)));
if (data.Operation == ObjectPersistence::OPERATION_COMPLETED) {
settingsErased = true;
msgBox.setText(tr("Settings are now erased."));
msgBox.setInformativeText(tr("Please wait for the status LED to begin flashing regularly (up to a minute) then power-cycle your board to complete reset."));
} else {
msgBox.setText(tr("Error trying to erase settings."));
msgBox.setInformativeText(tr("Power-cycle your board after removing all blades. Settings might be inconsistent."));
}
msgBox.setStandardButtons(QMessageBox::Ok);
msgBox.setDefaultButton(QMessageBox::Ok);
msgBox.exec();
}
Q_EXPORT_PLUGIN(ConfigPlugin)

View File

@ -52,19 +52,8 @@ public:
bool initialize(const QStringList & arguments, QString *errorString);
void shutdown();
private slots:
void eraseAllSettings();
void onAutopilotConnect();
void onAutopilotDisconnect();
void eraseDone(UAVObject *);
void eraseFailed();
private:
ConfigGadgetFactory *cf;
Core::Command *cmd;
bool settingsErased;
static const int FLASH_ERASE_TIMEOUT_MS = 45000;
};
#endif // CONFIGPLUGIN_H

View File

@ -231,6 +231,7 @@ ConfigRevoWidget::ConfigRevoWidget(QWidget *parent) :
addUAVObjectToWidgetRelation("AttitudeSettings", "BoardRotation", m_ui->rollRotation, AttitudeSettings::BOARDROTATION_ROLL);
addUAVObjectToWidgetRelation("AttitudeSettings", "BoardRotation", m_ui->pitchRotation, AttitudeSettings::BOARDROTATION_PITCH);
addUAVObjectToWidgetRelation("AttitudeSettings", "BoardRotation", m_ui->yawRotation, AttitudeSettings::BOARDROTATION_YAW);
addUAVObjectToWidgetRelation("AttitudeSettings", "AccelTau", m_ui->accelTau);
populateWidgets();
refreshWidgetsValues();

View File

@ -6,8 +6,8 @@
<rect>
<x>0</x>
<y>0</y>
<width>643</width>
<height>531</height>
<width>649</width>
<height>510</height>
</rect>
</property>
<property name="windowTitle">
@ -20,7 +20,7 @@
<bool>true</bool>
</property>
<property name="currentIndex">
<number>0</number>
<number>1</number>
</property>
<widget class="QWidget" name="tab_2">
<property name="autoFillBackground">
@ -337,11 +337,209 @@ p, li { white-space: pre-wrap; }
</attribute>
<layout class="QVBoxLayout" name="verticalLayout_6">
<item>
<layout class="QHBoxLayout" name="ahrsSettingsLayout">
<layout class="QGridLayout" name="gridLayout_4">
<property name="margin">
<number>6</number>
</property>
<item>
<item row="1" column="1">
<widget class="QGroupBox" name="groupBox_3">
<property name="title">
<string>Rotate virtual attitude relative to board</string>
</property>
<layout class="QGridLayout" name="gridLayout" columnstretch="0,0,0,0,0,0">
<item row="1" column="2">
<spacer name="horizontalSpacer_8">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item row="1" column="3">
<widget class="QSpinBox" name="pitchRotation">
<property name="minimum">
<number>-90</number>
</property>
<property name="maximum">
<number>90</number>
</property>
</widget>
</item>
<item row="1" column="4">
<spacer name="horizontalSpacer_9">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item row="0" column="1">
<widget class="QLabel" name="label_12">
<property name="minimumSize">
<size>
<width>70</width>
<height>0</height>
</size>
</property>
<property name="styleSheet">
<string notr="true">background-color: qlineargradient(spread:reflect, x1:0.507, y1:0, x2:0.507, y2:0.772, stop:0.208955 rgba(74, 74, 74, 255), stop:0.78607 rgba(36, 36, 36, 255));
color: rgb(255, 255, 255);
border-radius: 5;
font: bold 12px;
margin:1px;</string>
</property>
<property name="text">
<string>Roll</string>
</property>
<property name="alignment">
<set>Qt::AlignCenter</set>
</property>
</widget>
</item>
<item row="0" column="5">
<widget class="QLabel" name="label_13">
<property name="minimumSize">
<size>
<width>70</width>
<height>0</height>
</size>
</property>
<property name="styleSheet">
<string notr="true">background-color: qlineargradient(spread:reflect, x1:0.507, y1:0, x2:0.507, y2:0.772, stop:0.208955 rgba(74, 74, 74, 255), stop:0.78607 rgba(36, 36, 36, 255));
color: rgb(255, 255, 255);
border-radius: 5;
font: bold 12px;
margin:1px;</string>
</property>
<property name="text">
<string>Yaw</string>
</property>
<property name="alignment">
<set>Qt::AlignCenter</set>
</property>
</widget>
</item>
<item row="1" column="0">
<spacer name="horizontalSpacer_7">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item row="1" column="1">
<widget class="QSpinBox" name="rollRotation">
<property name="minimum">
<number>-180</number>
</property>
<property name="maximum">
<number>180</number>
</property>
</widget>
</item>
<item row="0" column="3">
<widget class="QLabel" name="label_15">
<property name="minimumSize">
<size>
<width>70</width>
<height>0</height>
</size>
</property>
<property name="styleSheet">
<string notr="true">background-color: qlineargradient(spread:reflect, x1:0.507, y1:0, x2:0.507, y2:0.772, stop:0.208955 rgba(74, 74, 74, 255), stop:0.78607 rgba(36, 36, 36, 255));
color: rgb(255, 255, 255);
border-radius: 5;
font: bold 12px;
margin:1px;</string>
</property>
<property name="text">
<string>Pitch</string>
</property>
<property name="alignment">
<set>Qt::AlignCenter</set>
</property>
</widget>
</item>
<item row="1" column="5">
<widget class="QSpinBox" name="yawRotation">
<property name="minimum">
<number>-180</number>
</property>
<property name="maximum">
<number>180</number>
</property>
</widget>
</item>
</layout>
</widget>
</item>
<item row="1" column="0">
<widget class="QGroupBox" name="groupBox_4">
<property name="title">
<string>Filtering</string>
</property>
<layout class="QGridLayout" name="gridLayout_5">
<item row="0" column="0">
<widget class="QLabel" name="label_14">
<property name="toolTip">
<string/>
</property>
<property name="styleSheet">
<string notr="true">background-color: qlineargradient(spread:reflect, x1:0.507, y1:0, x2:0.507, y2:0.772, stop:0.208955 rgba(74, 74, 74, 255), stop:0.78607 rgba(36, 36, 36, 255));
color: rgb(255, 255, 255);
border-radius: 5;
font: bold 12px;
margin:1px;</string>
</property>
<property name="text">
<string>Accelerometers</string>
</property>
<property name="alignment">
<set>Qt::AlignCenter</set>
</property>
</widget>
</item>
<item row="1" column="0">
<widget class="QDoubleSpinBox" name="accelTau">
<property name="toolTip">
<string>Accelerometer filtering.
Sets the amount of lowpass filtering of accelerometer data
for the attitude estimation. Higher values apply a stronger
filter, which may help with drifting in attitude mode.
Range: 0.00 - 0.20, Good starting value: 0.05 - 0.10
Start low and raise until drift stops.
A setting of 0.00 disables the filter.</string>
</property>
<property name="maximum">
<double>2.000000000000000</double>
</property>
<property name="singleStep">
<double>0.010000000000000</double>
</property>
</widget>
</item>
</layout>
</widget>
</item>
<item row="0" column="0">
<widget class="QGroupBox" name="groupBox_2">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Preferred">
@ -388,7 +586,7 @@ p, li { white-space: pre-wrap; }
</layout>
</widget>
</item>
<item>
<item row="0" column="1">
<widget class="QGroupBox" name="groupBox">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Preferred">
@ -570,150 +768,24 @@ p, li { white-space: pre-wrap; }
</layout>
</widget>
</item>
<item row="0" column="2">
<spacer name="horizontalSpacer_2">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeType">
<enum>QSizePolicy::Expanding</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>50</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
</layout>
</item>
<item>
<widget class="QGroupBox" name="groupBox_3">
<property name="title">
<string>Rotate virtual attitude relative to board</string>
</property>
<layout class="QGridLayout" name="gridLayout" columnstretch="0,1,0,1,0,1,0">
<item row="0" column="1">
<widget class="QLabel" name="label_12">
<property name="styleSheet">
<string notr="true">background-color: qlineargradient(spread:reflect, x1:0.507, y1:0, x2:0.507, y2:0.772, stop:0.208955 rgba(74, 74, 74, 255), stop:0.78607 rgba(36, 36, 36, 255));
color: rgb(255, 255, 255);
border-radius: 5;
font: bold 12px;
margin:1px;</string>
</property>
<property name="text">
<string>Roll</string>
</property>
<property name="alignment">
<set>Qt::AlignCenter</set>
</property>
</widget>
</item>
<item row="1" column="1">
<widget class="QSpinBox" name="rollRotation">
<property name="minimum">
<number>-180</number>
</property>
<property name="maximum">
<number>180</number>
</property>
</widget>
</item>
<item row="1" column="4">
<spacer name="horizontalSpacer_9">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item row="1" column="5">
<widget class="QSpinBox" name="yawRotation">
<property name="minimum">
<number>-180</number>
</property>
<property name="maximum">
<number>180</number>
</property>
</widget>
</item>
<item row="0" column="5">
<widget class="QLabel" name="label_13">
<property name="styleSheet">
<string notr="true">background-color: qlineargradient(spread:reflect, x1:0.507, y1:0, x2:0.507, y2:0.772, stop:0.208955 rgba(74, 74, 74, 255), stop:0.78607 rgba(36, 36, 36, 255));
color: rgb(255, 255, 255);
border-radius: 5;
font: bold 12px;
margin:1px;</string>
</property>
<property name="text">
<string>Yaw</string>
</property>
<property name="alignment">
<set>Qt::AlignCenter</set>
</property>
</widget>
</item>
<item row="1" column="2">
<spacer name="horizontalSpacer_8">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item row="0" column="3">
<widget class="QLabel" name="label_15">
<property name="styleSheet">
<string notr="true">background-color: qlineargradient(spread:reflect, x1:0.507, y1:0, x2:0.507, y2:0.772, stop:0.208955 rgba(74, 74, 74, 255), stop:0.78607 rgba(36, 36, 36, 255));
color: rgb(255, 255, 255);
border-radius: 5;
font: bold 12px;
margin:1px;</string>
</property>
<property name="text">
<string>Pitch</string>
</property>
<property name="alignment">
<set>Qt::AlignCenter</set>
</property>
</widget>
</item>
<item row="1" column="3">
<widget class="QSpinBox" name="pitchRotation">
<property name="minimum">
<number>-90</number>
</property>
<property name="maximum">
<number>90</number>
</property>
</widget>
</item>
<item row="1" column="0">
<spacer name="horizontalSpacer_7">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item row="1" column="6">
<spacer name="horizontalSpacer_10">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
</layout>
</widget>
</item>
<item>
<spacer name="verticalSpacer">
<property name="orientation">