Merge branch 'master' of git@github.com:pixhawk/qgroundcontrol

qgroundcontrol.pro

@@ -73,7 +73,8 @@ FORMS += src/ui/MainWindow.ui \
     src/ui/watchdog/WatchdogProcessView.ui \
     src/ui/watchdog/WatchdogView.ui \
     src/ui/QGCFirmwareUpdate.ui \
-    src/ui/QGCPxImuFirmwareUpdate.ui
+    src/ui/QGCPxImuFirmwareUpdate.ui \
+    src/ui/QGCDataPlot2D.ui
 INCLUDEPATH += src \
     src/ui \
     src/ui/linechart \
@@ -149,7 +150,10 @@ HEADERS += src/MG.h \
     src/ui/HSIDisplay.h \
     src/QGC.h \
     src/ui/QGCFirmwareUpdate.h \
-    src/ui/QGCPxImuFirmwareUpdate.h
+    src/ui/QGCPxImuFirmwareUpdate.h \
+    src/comm/MAVLinkLightProtocol.h \
+    src/ui/QGCDataPlot2D.h \
+    src/ui/linechart/IncrementalPlot.h
 SOURCES += src/main.cc \
     src/Core.cc \
     src/uas/UASManager.cc \
@@ -207,5 +211,8 @@ SOURCES += src/main.cc \
     src/ui/HSIDisplay.cc \
     src/QGC.cc \
     src/ui/QGCFirmwareUpdate.cc \
-    src/ui/QGCPxImuFirmwareUpdate.cc
+    src/ui/QGCPxImuFirmwareUpdate.cc \
+    src/comm/MAVLinkLightProtocol.cc \
+    src/ui/QGCDataPlot2D.cc \
+    src/ui/linechart/IncrementalPlot.cc
 RESOURCES = mavground.qrc

src/LogCompressor.cc

 #include <QFile>
 #include <QTextStream>
 #include <QStringList>
+#include <QFileInfo>
 #include "LogCompressor.h"
 
 #include <QDebug>
 
-LogCompressor::LogCompressor(QString logFileName, int uasid) :
+LogCompressor::LogCompressor(QString logFileName, QString outFileName, int uasid) :
         logFileName(logFileName),
+        outFileName(outFileName),
+        running(true),
+        currentDataLine(0),
+        dataLines(1),
         uasid(uasid)
 {
     start();
@@ -17,13 +22,23 @@ void LogCompressor::run()
     QString separator = "\t";
     QString fileName = logFileName;
     QFile file(fileName);
+    QFile outfile(outFileName);
     QStringList* keys = new QStringList();
     QStringList* times = new QStringList();
 
     if (!file.exists()) return;
-    if (!file.open(QIODevice::ReadWrite | QIODevice::Text))
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
         return;
 
+    if (outFileName != "")
+    {
+        // Check if file is writeable
+        if (!QFileInfo(outfile).isWritable())
+        {
+            return;
+        }
+    }
+
     // Find all keys
     QTextStream in(&file);
     while (!in.atEnd()) {
@@ -43,9 +58,9 @@ void LogCompressor::run()
         spacer += " " + separator;
     }
 
-    qDebug() << header;
+    //qDebug() << header;
 
-    qDebug() << "NOW READING TIMES";
+    //qDebug() << "NOW READING TIMES";
 
     // Find all times
     //in.reset();
@@ -62,6 +77,9 @@ void LogCompressor::run()
             times->append(time);
         }
     }
+
+    dataLines = times->length();
+
     times->sort();
 
     // Create lines
@@ -74,7 +92,10 @@ void LogCompressor::run()
     // Fill in the values for all keys
     file.reset();
     QTextStream data(&file);
+    int linecounter = 0;
     while (!data.atEnd()) {
+        linecounter++;
+        currentDataLine = linecounter;
         QString line = data.readLine();
         QStringList parts = line.split(separator);
         // Get time
@@ -100,20 +121,43 @@ void LogCompressor::run()
 
     // Add header, write out file
     file.close();
-    QFile::remove(file.fileName());
-    if (!file.open(QIODevice::ReadWrite | QIODevice::Text))
+
+    if (outFileName == "")
+    {
+        QFile::remove(file.fileName());
+        outfile.setFileName(file.fileName());
+    }
+    if (!outfile.open(QIODevice::WriteOnly | QIODevice::Text))
         return;
-    file.write(QString(QString("unix_timestamp") + separator + header.replace(" ", "_") + QString("\n")).toLatin1());
+    outfile.write(QString(QString("unix_timestamp") + separator + header.replace(" ", "_") + QString("\n")).toLatin1());
     //QString fileHeader = QString("unix_timestamp") + header.replace(" ", "_") + QString("\n");
 
-    // Debug output
+    // File output
     for (int i = 0; i < outLines->length(); i++)
     {
         //qDebug() << outLines->at(i);
-        file.write(QString(outLines->at(i) + "\n").toLatin1());
+        outfile.write(QString(outLines->at(i) + "\n").toLatin1());
 
     }
 
+    currentDataLine = 0;
+    dataLines = 1;
     delete keys;
     qDebug() << "Done with logfile processing";
+    running = false;
+}
+
+bool LogCompressor::isFinished()
+{
+    return !running;
+}
+
+int LogCompressor::getCurrentLine()
+{
+    return currentDataLine;
+}
+
+int LogCompressor::getDataLines()
+{
+    return dataLines;
 }

src/LogCompressor.h

@@ -6,10 +6,17 @@
 class LogCompressor : public QThread
 {
 public:
-    LogCompressor(QString logFileName, int uasid = 0);
+    LogCompressor(QString logFileName, QString outFileName="", int uasid = 0);
+    bool isFinished();
+    int getDataLines();
+    int getCurrentLine();
 protected:
     void run();
     QString logFileName;
+    QString outFileName;
+    bool running;
+    int currentDataLine;
+    int dataLines;
     int uasid;
 };
 

src/comm/MAVLinkLightProtocol.cc

+/*=====================================================================
+
+QGroundControl Open Source Ground Control Station
+
+(c) 2009, 2010 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+
+This file is part of the QGROUNDCONTROL project
+
+    QGROUNDCONTROL is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    QGROUNDCONTROL is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
+
+======================================================================*/
+
+/**
+ * @file
+ *   @brief Example implementation of a different protocol than the default MAVLink.
+ *   @author Lorenz Meier <mail@qgroundcontrol.org>
+ */
+
+#include "MAVLinkLightProtocol.h"
+#include "UASManager.h"
+#include "ArduPilotMAV.h"
+#include "LinkManager.h"
+
+MAVLinkLightProtocol::MAVLinkLightProtocol() :
+    MAVLinkProtocol()
+{
+}
+
+
+/**
+ * @param message message to send
+ */
+void MAVLinkLightProtocol::sendMessage(mavlink_light_message_t message)
+{
+    // Get all links connected to this unit
+    QList<LinkInterface*> links = LinkManager::instance()->getLinksForProtocol(this);
+
+    // Emit message on all links that are currently connected
+    QList<LinkInterface*>::iterator i;
+    for (i = links.begin(); i != links.end(); ++i)
+    {
+        sendMessage(*i, message);
+    }
+}
+
+/**
+ * @param link the link to send the message over
+ * @param message message to send
+ */
+void MAVLinkLightProtocol::sendMessage(LinkInterface* link, mavlink_light_message_t message)
+{
+    // Create buffer
+    uint8_t buffer[100]; // MAXIMUM PACKET LENGTH, INCLUDING STX BYTES
+    // Write message into buffer, prepending start sign
+    //int len = mavlink_msg_to_send_buffer(buffer, &message);
+
+
+    // FIXME TO SEND BUFFER FUNCTION MISSING
+    Q_UNUSED(message);
+    int len = 0;
+
+    // If link is connected
+    if (link->isConnected())
+    {
+        // Send the portion of the buffer now occupied by the message
+        link->writeBytes((const char*)buffer, len);
+    }
+}
+
+/**
+ * The bytes are copied by calling the LinkInterface::readBytes() method.
+ * This method parses all incoming bytes and constructs a MAVLink packet.
+ * It can handle multiple links in parallel, as each link has it's own buffer/
+ * parsing state machine.
+ * @param link The interface to read from
+ * @see LinkInterface
+ **/
+void MAVLinkLightProtocol::receiveBytes(LinkInterface* link)
+{
+    receiveMutex.lock();
+    // Prepare buffer
+    static const int maxlen = 4096 * 100;
+    static char buffer[maxlen];
+    qint64 bytesToRead = link->bytesAvailable();
+
+    // Get all data at once, let link read the bytes in the buffer array
+    link->readBytes(buffer, maxlen);
+
+    // Run through all bytes
+    for (int position = 0; position < bytesToRead; position++)
+    {
+        mavlink_light_message_t msg;
+        // FIXME PARSE
+        if (1 == 0/* parsing returned a message */)
+        {
+
+            int sysid = 0; // system id from message, or always null if only one MAV is supported
+            UASInterface* uas = UASManager::instance()->getUASForId(sysid);
+
+            // Check and (if necessary) create UAS object
+            if (uas == NULL)
+            {
+                ArduPilotMAV* mav = new ArduPilotMAV(this, sysid); // FIXME change to msg.sysid if this field exists
+                // Connect this robot to the UAS object
+                // it is IMPORTANT here to use the right object type,
+                // else the slot of the parent object is called (and thus the special
+                // packets never reach their goal)
+                connect(this, SIGNAL(messageReceived(LinkInterface*, mavlink_message_t)), mav, SLOT(receiveMessage(LinkInterface*, mavlink_message_t)));
+                uas = mav;
+                // Make UAS aware that this link can be used to communicate with the actual robot
+                uas->addLink(link);
+                // Now add UAS to "official" list, which makes the whole application aware of it
+                UASManager::instance()->addUAS(uas);
+            }
+
+            // The packet is emitted as a whole, as it is only 255 - 261 bytes short
+            // kind of inefficient, but no issue for a groundstation pc.
+            // It buys as reentrancy for the whole code over all threads
+            emit messageReceived(link, msg);
+        }
+    }
+    receiveMutex.unlock();
+}
+
+/**
+ * @return The name of this protocol
+ **/
+QString MAVLinkLightProtocol::getName()
+{
+    return QString(tr("MAVLinkLight protocol"));
+}

src/comm/MAVLinkLightProtocol.h

+/*=====================================================================
+
+QGroundControl Open Source Ground Control Station
+
+(c) 2009, 2010 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+
+This file is part of the QGROUNDCONTROL project
+
+    QGROUNDCONTROL is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    QGROUNDCONTROL is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
+
+======================================================================*/
+
+/**
+ * @file
+ *   @brief Example implementation of a different protocol than the default MAVLink.
+ *   @author Lorenz Meier <mail@qgroundcontrol.org>
+ */
+
+#ifndef MAVLINKLIGHTPROTOCOL_H
+#define MAVLINKLIGHTPROTOCOL_H
+
+#include <inttypes.h>
+#include <MAVLinkProtocol.h>
+
+#define MAVLINK_LIGHT_MAX_PAYLOAD_LEN 50
+
+// Not part of message struct, but sent on link
+// uint8_t stx1;
+// uint8_t stx2;
+typedef struct {
+    uint8_t msgid;   ///< ID of message in payload
+    uint8_t payload[MAVLINK_LIGHT_MAX_PAYLOAD_LEN]; ///< Payload data, ALIGNMENT IMPORTANT ON MCU
+    uint8_t ck_a;    ///< Checksum high byte
+    uint8_t ck_b;    ///< Checksum low byte
+} mavlink_light_message_t;
+
+class MAVLinkLightProtocol : public MAVLinkProtocol
+{
+Q_OBJECT
+public:
+    explicit MAVLinkLightProtocol();
+    QString getName();
+
+signals:
+    /** @brief Message received and directly copied via signal */
+    void messageReceived(LinkInterface* link, mavlink_light_message_t message);
+
+public slots:
+    void sendMessage(mavlink_light_message_t message);
+    void sendMessage(LinkInterface* link, mavlink_light_message_t message);
+    void receiveBytes(LinkInterface* link);
+
+};
+
+#endif // MAVLINKLIGHTPROTOCOL_H

src/comm/MAVLinkProtocol.cc

@@ -323,7 +323,7 @@ void MAVLinkProtocol::sendMessage(mavlink_message_t message)
     for (i = links.begin(); i != links.end(); ++i)
     {
         sendMessage(*i, message);
-        qDebug() << __FILE__ << __LINE__ << "SENT HEARTBEAT MESSAGE OVER" << ((LinkInterface*)*i)->getName() << "LIST SIZE:" << links.size();
+        //qDebug() << __FILE__ << __LINE__ << "SENT MESSAGE OVER" << ((LinkInterface*)*i)->getName() << "LIST SIZE:" << links.size();
     }
 }
 

src/comm/MAVLinkSimulationLink.cc

@@ -186,10 +186,13 @@ void MAVLinkSimulationLink::mainloop()
     static float drainRate = 0.025; // x.xx% of the capacity is linearly drained per second
 
     mavlink_attitude_t attitude;
+    memset(&attitude, 0, sizeof(mavlink_attitude_t));
     #ifdef MAVLINK_ENABLED_PIXHAWK_MESSAGES
       mavlink_raw_aux_t rawAuxValues;
+      memset(&rawAuxValues, 0, sizeof(mavlink_raw_aux_t));
     #endif
     mavlink_raw_imu_t rawImuValues;
+    memset(&rawImuValues, 0, sizeof(mavlink_raw_imu_t));
 
     uint8_t buffer[MAVLINK_MAX_PACKET_LEN];
     int bufferlength;

src/uas/ArduPilotMAV.cc

+/*=====================================================================
+
+QGroundControl Open Source Ground Control Station
+
+(c) 2009, 2010 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+
+This file is part of the QGROUNDCONTROL project
+
+    QGROUNDCONTROL is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    QGROUNDCONTROL is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
+
+======================================================================*/
+
+/**
+ * @file
+ *   @brief Implementation of class MainWindow
+ *   @author Your Name here
+ */
+
 #include "ArduPilotMAV.h"
 
 ArduPilotMAV::ArduPilotMAV(MAVLinkProtocol* mavlink, int id) :

src/ui/CommConfigurationWindow.cc

@@ -99,7 +99,7 @@ CommConfigurationWindow::CommConfigurationWindow(LinkInterface* link, ProtocolIn
     }
     else if (dynamic_cast<UDPLink*>(link) != 0)
     {
-        ui.linkGroupBox->setTitle(tr("udp link"));
+        ui.linkGroupBox->setTitle(tr("UDP Link"));
     }
     else
     {

src/ui/MainWindow.cc

@@ -2,9 +2,7 @@
 
 QGroundControl Open Source Ground Control Station
 
-(c) 2009, 2010 QGROUNDCONTROL/PIXHAWK PROJECT
-<http://www.qgroundcontrol.org>
-<http://pixhawk.ethz.ch>
+(c) 2009, 2010 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
 
 This file is part of the QGROUNDCONTROL project
 
@@ -140,15 +138,18 @@ void MainWindow::buildWidgets()
   headDown1   = new HDDisplay(acceptList, this);
   headDown2   = new HDDisplay(acceptList2, this);
   joystick    = new JoystickInput();
+  dataplot    = new QGCDataPlot2D();
 }
 
-void MainWindow::connectWidgets(){
+void MainWindow::connectWidgets()
+{
   connect(UASManager::instance(), SIGNAL(UASCreated(UASInterface*)), linechart, SLOT(addSystem(UASInterface*)));
   connect(UASManager::instance(), SIGNAL(activeUASSet(int)), linechart, SLOT(selectSystem(int)));
   connect(mavlink, SIGNAL(receiveLossChanged(int, float)), info, SLOT(updateSendLoss(int, float)));
 }
 
-void MainWindow::arrangeCenterStack(){
+void MainWindow::arrangeCenterStack()
+{
 
   centerStack = new QStackedWidget(this);
 
@@ -156,11 +157,13 @@ void MainWindow::arrangeCenterStack(){
   centerStack->addWidget(protocol);
   centerStack->addWidget(map);
   centerStack->addWidget(hud);
+  centerStack->addWidget(dataplot);
 
   setCentralWidget(centerStack);
 }
 
-void MainWindow::configureWindowName(){
+void MainWindow::configureWindowName()
+{
   QList<QHostAddress> hostAddresses = QNetworkInterface::allAddresses();
   QString windowname = qApp->applicationName() + " " + qApp->applicationVersion();
   bool prevAddr = false;
@@ -245,11 +248,14 @@ void MainWindow::reloadStylesheet()
     {
         styleSheet = new QFile(":/images/style-mission.css");
     }
-    if (styleSheet->open(QIODevice::ReadOnly | QIODevice::Text)) {
+    if (styleSheet->open(QIODevice::ReadOnly | QIODevice::Text))
+    {
         QString style = QString(styleSheet->readAll());
         style.replace("ICONDIR", QCoreApplication::applicationDirPath()+ "/images/");
         qApp->setStyleSheet(style);
-    } else {
+    }
+    else
+    {
         qDebug() << "Style not set:" << styleSheet->fileName() << "opened: " << styleSheet->isOpen();
     }
     delete styleSheet;
@@ -292,12 +298,59 @@ void MainWindow::connectActions()
     connect(ui.actionSettingsView, SIGNAL(triggered()), this, SLOT(loadSettingsView()));
     connect(ui.actionShow_full_view, SIGNAL(triggered()), this, SLOT(loadAllView()));
     connect(ui.actionShow_MAVLink_view, SIGNAL(triggered()), this, SLOT(loadMAVLinkView()));
+    connect(ui.actionShow_data_analysis_view, SIGNAL(triggered()), this, SLOT(loadDataView()));
     connect(ui.actionStyleConfig, SIGNAL(triggered()), this, SLOT(reloadStylesheet()));
 
+    connect(ui.actionOnline_documentation, SIGNAL(triggered()), this, SLOT(showHelp()));
+    connect(ui.actionCredits_Developers, SIGNAL(triggered()), this, SLOT(showCredits()));
+    connect(ui.actionProject_Roadmap, SIGNAL(triggered()), this, SLOT(showRoadMap()));
+
     // Joystick configuration
     connect(ui.actionJoystickSettings, SIGNAL(triggered()), this, SLOT(configure()));
 }
 
+void MainWindow::showHelp()
+{
+    if(!QDesktopServices::openUrl(QUrl("http://qgroundcontrol.org/user_guide")))
+    {
+        QMessageBox msgBox;
+        msgBox.setIcon(QMessageBox::Critical);
+        msgBox.setText("Could not open help in browser");
+        msgBox.setInformativeText("To get to the online help, please open http://qgroundcontrol.org/user_guide in a browser.");
+        msgBox.setStandardButtons(QMessageBox::Ok);
+        msgBox.setDefaultButton(QMessageBox::Ok);
+        msgBox.exec();
+    }
+}
+
+void MainWindow::showCredits()
+{
+    if(!QDesktopServices::openUrl(QUrl("http://qgroundcontrol.org/credits")))
+    {
+        QMessageBox msgBox;
+        msgBox.setIcon(QMessageBox::Critical);
+        msgBox.setText("Could not open credits in browser");
+        msgBox.setInformativeText("To get to the online help, please open http://qgroundcontrol.org/credits in a browser.");
+        msgBox.setStandardButtons(QMessageBox::Ok);
+        msgBox.setDefaultButton(QMessageBox::Ok);
+        msgBox.exec();
+    }
+}
+
+void MainWindow::showRoadMap()
+{
+    if(!QDesktopServices::openUrl(QUrl("http://qgroundcontrol.org/roadmap")))
+    {
+        QMessageBox msgBox;
+        msgBox.setIcon(QMessageBox::Critical);
+        msgBox.setText("Could not open roadmap in browser");
+        msgBox.setInformativeText("To get to the online help, please open http://qgroundcontrol.org/roadmap in a browser.");
+        msgBox.setStandardButtons(QMessageBox::Ok);
+        msgBox.setDefaultButton(QMessageBox::Ok);
+        msgBox.exec();
+    }
+}
+
 void MainWindow::configure()
 {
     joystickWidget = new JoystickWidget(joystick, this);
@@ -485,6 +538,12 @@ void MainWindow::loadPixhawkView()
     this->show();
 }
 
+void MainWindow::loadDataView()
+{
+    clearView();
+    centerStack->setCurrentWidget(dataplot);
+}
+
 void MainWindow::loadPilotView()
 {
     clearView();

src/ui/MainWindow.h

@@ -62,6 +62,7 @@ This file is part of the PIXHAWK project
 #include "HDDisplay.h"
 #include "WatchdogControl.h"
 #include "HSIDisplay.h"
+#include "QGCDataPlot2D.h"
 
 #include "LogCompressor.h"
 
@@ -116,6 +117,15 @@ public slots:
     void loadAllView();
     /** @brief Load MAVLink XML generator view */
     void loadMAVLinkView();
+    /** @brief Load data view, allowing to plot flight data */
+    void loadDataView();
+
+    /** @brief Show the online help for users */
+    void showHelp();
+    /** @brief Show the authors / credits */
+    void showCredits();
+    /** @brief Show the project roadmap */
+    void showRoadMap();
 
     // Fixme find a nicer solution that scales to more AP types
     void loadSlugsView();
@@ -158,6 +168,7 @@ protected:
     HDDisplay* headDown2;
     WatchdogControl* watchdogControl;
     HSIDisplay* hsi;
+    QGCDataPlot2D* dataplot;
 
     // Popup widgets
     JoystickWidget* joystickWidget;

src/ui/MainWindow.ui

@@ -35,7 +35,7 @@
      <x>0</x>
      <y>0</y>
      <width>1000</width>
-     <height>25</height>
+     <height>22</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuMGround">
@@ -75,13 +75,23 @@
     <addaction name="actionSettingsView"/>
     <addaction name="separator"/>
     <addaction name="actionShow_MAVLink_view"/>
+    <addaction name="actionShow_data_analysis_view"/>
     <addaction name="actionShow_full_view"/>
     <addaction name="actionStyleConfig"/>
    </widget>
+   <widget class="QMenu" name="menuHelp">
+    <property name="title">
+     <string>Help</string>
+    </property>
+    <addaction name="actionOnline_documentation"/>
+    <addaction name="actionProject_Roadmap"/>
+    <addaction name="actionCredits_Developers"/>
+   </widget>
    <addaction name="menuMGround"/>
    <addaction name="menuNetwork"/>
    <addaction name="menuUnmanned_System"/>
    <addaction name="menuWindow"/>
+   <addaction name="menuHelp"/>
   </widget>
   <widget class="QToolBar" name="mainToolBar">
    <attribute name="toolBarArea">
@@ -263,6 +273,42 @@
     <string>Show MAVLink view</string>
    </property>
   </action>
+  <action name="actionOnline_documentation">
+   <property name="icon">
+    <iconset resource="../../mavground.qrc">
+     <normaloff>:/images/categories/applications-internet.svg</normaloff>:/images/categories/applications-internet.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Online documentation</string>
+   </property>
+  </action>
+  <action name="actionShow_data_analysis_view">
+   <property name="icon">
+    <iconset resource="../../mavground.qrc">
+     <normaloff>:/images/apps/utilities-system-monitor.svg</normaloff>:/images/apps/utilities-system-monitor.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Show data analysis view</string>
+   </property>
+  </action>
+  <action name="actionProject_Roadmap">
+   <property name="icon">
+    <iconset resource="../../mavground.qrc">
+     <normaloff>:/images/status/software-update-available.svg</normaloff>:/images/status/software-update-available.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Project Roadmap</string>
+   </property>
+  </action>
+  <action name="actionCredits_Developers">
+   <property name="icon">
+    <iconset resource="../../mavground.qrc">
+     <normaloff>:/images/categories/preferences-system.svg</normaloff>:/images/categories/preferences-system.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Credits / Developers</string>
+   </property>
+  </action>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
  <resources>

src/ui/QGCDataPlot2D.h

+#ifndef QGCDATAPLOT2D_H
+#define QGCDATAPLOT2D_H
+
+#include <QWidget>
+#include <QFile>
+#include "IncrementalPlot.h"
+#include "LogCompressor.h"
+
+namespace Ui {
+    class QGCDataPlot2D;
+}
+
+class QGCDataPlot2D : public QWidget {
+    Q_OBJECT
+public:
+    QGCDataPlot2D(QWidget *parent = 0);
+    ~QGCDataPlot2D();
+
+    /** @brief Linear regression over data points */
+    int linearRegression(double *x,double *y,int n,double *a,double *b,double *r);
+
+public slots:
+    void loadFile();
+    /** @brief Reload a file, with filtering enabled */
+    void reloadFile();
+    void selectFile();
+    void loadCsvLog(QString file, QString xAxisName="", QString yAxisFilter="");
+    void loadRawLog(QString file, QString xAxisName="", QString yAxisFilter="");
+    void saveCsvLog();
+    /** @brief Save plot to PDF or SVG */
+    void savePlot();
+    /** @brief Export SVG file */
+    void exportSVG(QString file);
+    /** @brief Print or save PDF file (MacOS/Linux) */
+    void print();
+
+protected:
+    void changeEvent(QEvent *e);
+    IncrementalPlot* plot;
+    LogCompressor* compressor;
+    QFile* logFile;