Initial commit

Lts/Services/OcSituationServer/position_converter.cpp

@@ -0,0 +1,82 @@
+/**
+  * Converting positions relative to the training area
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  * Created by Philipp Dassow, NLST, 21-04-2018
+  */
+
+#include "position_converter.h"
+
+#include <AssetManagement/asm_dtc.h>
+#include <ExerciseManagement/exm_dtc.h>
+#include <QMutex>
+
+namespace OcSituationServer
+{
+
+PositionConverter::PositionConverter(MainHandler *m_mainHandler)
+  : m_mainHandler(m_mainHandler)
+  , m_baseCoord(LtsCoordTrans::UtmCoordinate())
+  , m_asmDtc(AssetManagement::Interface::Dtc::create(m_mainHandler->dds()->dds()))
+  , m_exmDtc(ExerciseManagement::Interface::Dtc::create(m_mainHandler->dds()->dds()))
+  , m_logger(getLogger("PositionConverter"))
+{
+  m_exmDtc->enableExercise();
+  m_asmDtc->enableTrainingArea();
+}
+
+LtsCoordTrans::UtmCoordinate PositionConverter::baseCoordinate()
+{
+  initCoordConversion();
+  return m_baseCoord;
+}
+
+bool PositionConverter::initCoordConversion()
+{
+  static QMutex mutex;
+  QMutexLocker l(&mutex);
+
+  if (!m_exmDtc)
+    return true;
+
+  if (!m_exmDtc->waitForHistoricalDataExercise(15000))
+  {
+    ERROR_LOG(m_logger) << "Error initializing ExerciseManagement DTC";
+    return false;
+  }
+  const auto ex = m_exmDtc->exercise(m_mainHandler->exerciseId());
+  if (ex.id() <= 0)
+  {
+    ERROR_LOG(m_logger) << "Can not retrieve exercise information for id " << m_mainHandler->exerciseId();
+    return false;
+  }
+  if (!m_asmDtc->waitForHistoricalDataTrainingArea(10000))
+  {
+    ERROR_LOG(m_logger) << "Error initializing AssetManagement DTC";
+    return false;
+  }
+  const auto ta = m_asmDtc->trainingArea(ex.trainingAreaId());
+  if (ta.id() <= 0)
+  {
+    ERROR_LOG(m_logger) << "Can not retrieve training are information for id " << ex.trainingAreaId();
+    return false;
+  }
+
+  // calc tetra base point from training area center
+  const LtsCoordTrans::UtmCoordinate bottomLeft(LtsCoordTrans::UtmCoordinate::fromGeographic(ta.bottomLeft().lon(), ta.bottomLeft().lat()));
+  const QPointF mid(bottomLeft.geographic(ta.width() / 2, ta.height() / 2));
+
+  // our center point is NNxYY 00000 00000 by definition
+  // (we can also use current ta center but the it's hard to debug the coordinates in Tetra LogViewer)
+  const QString mgrs(LtsCoordTrans::mgrsFromGeographic(mid.x(), mid.y(), -1) + QStringLiteral("00000000000000"));
+
+  // now we've the correct tetra base point
+  m_baseCoord = LtsCoordTrans::UtmCoordinate::fromMgrs(mgrs);
+
+  m_asmDtc.reset();
+  m_exmDtc.reset();
+  return true;
+}
+
+} // namespace OcSituationServer