Initial commit

Lts/Viewer/SituationMap/MapImpl/screen_to_location_helper.cpp

@@ -0,0 +1,148 @@
+/**
+  * @RDE_HEADER@
+  * ScreenToLocationHelper
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  */
+
+// Own
+#include "screen_to_location_helper.h"
+#include "Map/situation_map_utils.h"
+
+
+// ESRI
+#include <arcgis/TaskWatcher.h>
+
+
+// Qt
+#include <QPointer>
+
+
+// V100.2.1: to guarante good accuracy of elevation we have to ignore 3d objects :-(
+#define USE_SCREEN_TO_BASE_SURFACE
+
+
+
+//----------------------------------------------------------------------------
+namespace SituationMap
+{
+
+//----------------------------------------------------------------------------
+class ScreenToLocationHelper::Private
+{
+public:
+  Private()     = default;
+  ~Private()    = default;
+
+
+  // ESRI data:
+  QPointer<Esri::ArcGISRuntime::SceneGraphicsView> m_sceneGraphicsView;
+
+  int                                           m_windowPosX        = 0;
+  int                                           m_windowPosY        = 0;
+};
+
+//----------------------------------------------------------------------------
+
+ScreenToLocationHelper::ScreenToLocationHelper(Esri::ArcGISRuntime::SceneGraphicsView *sceneGraphicsView)
+  : BaseClass(sceneGraphicsView)
+  , m_logger(getLogger("ScreenToLocationHelper"))
+  , d(new Private)
+{
+  TRACE_LOG(m_logger) << LOGFUNCTION << " START";
+
+  d->m_sceneGraphicsView = sceneGraphicsView;
+
+  if (d->m_sceneGraphicsView)
+    connect(d->m_sceneGraphicsView.data(), &Esri::ArcGISRuntime::SceneGraphicsView::screenToLocationCompleted,
+            this, &ScreenToLocationHelper::onScreenToLocationCompleted);
+
+}
+
+ScreenToLocationHelper::~ScreenToLocationHelper()
+{
+  TRACE_LOG(m_logger) << LOGFUNCTION << " START";
+  this->stop();
+  delete d;
+  TRACE_LOG(m_logger) << LOGFUNCTION << " END";
+}
+
+void ScreenToLocationHelper::stop()
+{
+  if (d->m_sceneGraphicsView)
+    d->m_sceneGraphicsView->disconnect(this);
+  disconnect(this);
+  BaseClass::stop();
+}
+
+void ScreenToLocationHelper::screenToLocation(int windowPosX, int windowPosY)
+{
+  TRACE_LOG(m_logger) << LOGFUNCTION << " START" << " windowPosX = " << windowPosX << " windowPosY = " << windowPosY;
+
+  d->m_windowPosX = windowPosX;
+  d->m_windowPosY = windowPosY;
+
+  BaseClass::newComputationRequested();
+}
+
+void ScreenToLocationHelper::mainComputation()
+{
+  if (!d->m_sceneGraphicsView)
+    return;
+
+
+#ifdef USE_SCREEN_TO_BASE_SURFACE
+  // BUG-000109976 - Segmentation fault on Scene Viewer destruction (Esri Case #02020238)
+  // BUG on destroy of SceneView. So use 'screenToBaseSurface' instead.
+  // Difference: screenToLocations takes Building and Features into account.
+  // screenToBaseSurface uses baseSurface only.
+  const Esri::ArcGISRuntime::Point &locationMap = d->m_sceneGraphicsView->screenToBaseSurface(d->m_windowPosX, d->m_windowPosY);
+
+  emit mouseScenePositionChanged(Point3D(locationMap.x(), locationMap.y(), locationMap.z()), !locationMap.isEmpty());
+#else
+
+//  qCritical() << " ScreenX=" << d->m_windowPosX << " ScreenY=" << d->m_windowPosY;
+
+
+  const Esri::ArcGISRuntime::TaskWatcher &tw = d->m_sceneGraphicsView->screenToLocation(d->m_windowPosX, d->m_windowPosY);
+
+  if (!insertTask(tw))
+    ERROR_LOG(m_logger) << LOGFUNCTION << " screenToLocation failed";
+
+  TRACE_LOG(m_logger) << LOGFUNCTION << " screenToLocation"
+                      << " taskId = " << tw.taskId()
+                      << " (m_windowPosX " << d->m_windowPosX << " m_windowPosY " << d->m_windowPosY << ")...";
+#endif // USE_SCREEN_TO_BASE_SURFACE
+}
+
+
+void ScreenToLocationHelper::onScreenToLocationCompleted(const QUuid &taskId, const Esri::ArcGISRuntime::Point &locationMap)
+{
+  if (!this->removeTask(taskId))
+  {
+    DEBUG_LOG(m_logger) << LOGFUNCTION << " not our task -> skip;";
+    return;
+  }
+
+
+//  qCritical() << " sceneLocation= " << " x:" << locationMap.x() << " y:" << locationMap.y() << " z:" << locationMap.z();
+
+
+  const Point3D mapCoordinate(locationMap.x(), locationMap.y(), locationMap.z());
+  //                                                            ^^^^^^^^^^^^^^^^^  depends on current map scale!?
+  // Case 02063359 [BOS] wrong Elevation with ElevationSource
+  // BUG-000111521 The elevation (z) value returned by SceneGraphicsView::screenToLocationCompleted() function depends on the current map scale
+
+
+  TRACE_LOG(m_logger) << LOGFUNCTION << " screenToLocationCompl "
+                      << " taskId = " << taskId
+                      << " (m_windowPosX " << d->m_windowPosX << " m_windowPosY " << d->m_windowPosY << ")..."
+                      << " (mapCoordinate " << mapCoordinate << ", z=" << locationMap.z() << ")";
+
+  emit mouseScenePositionChanged(mapCoordinate, !locationMap.isEmpty());
+}
+
+
+} // namespace SituationMap
+