Add overlay product layer, to hold the following overlay products:

- Storm Structure (NSS/62)
- Hail Index (NHI/59)
- Mesocyclone (NME/60, NMD/141)
- Tornadic Vortex Signature (NTV/61)
- Storm Tracking Information (NST/58)

scwx-qt/source/scwx/qt/map/map_widget.cpp

@@ -8,6 +8,7 @@
 #include <scwx/qt/map/layer_wrapper.hpp>
 #include <scwx/qt/map/map_provider.hpp>
 #include <scwx/qt/map/overlay_layer.hpp>
+#include <scwx/qt/map/overlay_product_layer.hpp>
 #include <scwx/qt/map/placefile_layer.hpp>
 #include <scwx/qt/map/radar_product_layer.hpp>
 #include <scwx/qt/map/radar_range_layer.hpp>
@@ -181,12 +182,13 @@ public:
       manager::PlacefileManager::Instance()};
    std::shared_ptr<manager::RadarProductManager> radarProductManager_;
 
-   std::shared_ptr<RadarProductLayer> radarProductLayer_;
-   std::shared_ptr<AlertLayer>        alertLayer_;
-   std::shared_ptr<OverlayLayer>      overlayLayer_;
-   std::shared_ptr<PlacefileLayer>    placefileLayer_;
-   std::shared_ptr<ColorTableLayer>   colorTableLayer_;
-   std::shared_ptr<RadarSiteLayer>    radarSiteLayer_ {nullptr};
+   std::shared_ptr<RadarProductLayer>   radarProductLayer_;
+   std::shared_ptr<AlertLayer>          alertLayer_;
+   std::shared_ptr<OverlayLayer>        overlayLayer_;
+   std::shared_ptr<OverlayProductLayer> overlayProductLayer_ {nullptr};
+   std::shared_ptr<PlacefileLayer>      placefileLayer_;
+   std::shared_ptr<ColorTableLayer>     colorTableLayer_;
+   std::shared_ptr<RadarSiteLayer>      radarSiteLayer_ {nullptr};
 
    std::list<std::shared_ptr<PlacefileLayer>> placefileLayers_ {};
 
@@ -912,6 +914,16 @@ void MapWidgetImpl::AddLayer(types::LayerType        type,
    {
       switch (std::get<types::DataLayer>(description))
       {
+      // If there is a radar product view, create the overlay product layer
+      case types::DataLayer::OverlayProduct:
+         if (radarProductView != nullptr)
+         {
+            overlayProductLayer_ =
+               std::make_shared<OverlayProductLayer>(context_);
+            AddLayer(layerName, overlayProductLayer_, before);
+         }
+         break;
+
       // If there is a radar product view, create the radar range layer
       case types::DataLayer::RadarRange:
          if (radarProductView != nullptr)

scwx-qt/source/scwx/qt/map/overlay_product_layer.cpp

@@ -0,0 +1,73 @@
+#include <scwx/qt/map/overlay_product_layer.hpp>
+#include <scwx/util/logger.hpp>
+
+namespace scwx
+{
+namespace qt
+{
+namespace map
+{
+
+static const std::string logPrefix_ = "scwx::qt::map::overlay_product_layer";
+static const auto        logger_    = scwx::util::Logger::Create(logPrefix_);
+
+class OverlayProductLayer::Impl
+{
+public:
+   explicit Impl(std::shared_ptr<MapContext> context) {}
+   ~Impl() = default;
+};
+
+OverlayProductLayer::OverlayProductLayer(std::shared_ptr<MapContext> context) :
+    DrawLayer(context), p(std::make_unique<Impl>(context))
+{
+}
+
+OverlayProductLayer::~OverlayProductLayer() = default;
+
+void OverlayProductLayer::Initialize()
+{
+   logger_->debug("Initialize()");
+
+   DrawLayer::Initialize();
+}
+
+void OverlayProductLayer::Render(
+   const QMapLibreGL::CustomLayerRenderParameters& params)
+{
+   gl::OpenGLFunctions& gl = context()->gl();
+
+   // Set OpenGL blend mode for transparency
+   gl.glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+   DrawLayer::Render(params);
+
+   SCWX_GL_CHECK_ERROR();
+}
+
+void OverlayProductLayer::Deinitialize()
+{
+   logger_->debug("Deinitialize()");
+
+   DrawLayer::Deinitialize();
+}
+
+bool OverlayProductLayer::RunMousePicking(
+   const QMapLibreGL::CustomLayerRenderParameters& params,
+   const QPointF&                                  mouseLocalPos,
+   const QPointF&                                  mouseGlobalPos,
+   const glm::vec2&                                mouseCoords,
+   const common::Coordinate&                       mouseGeoCoords,
+   std::shared_ptr<types::EventHandler>&           eventHandler)
+{
+   return DrawLayer::RunMousePicking(params,
+                                     mouseLocalPos,
+                                     mouseGlobalPos,
+                                     mouseCoords,
+                                     mouseGeoCoords,
+                                     eventHandler);
+}
+
+} // namespace map
+} // namespace qt
+} // namespace scwx

scwx-qt/source/scwx/qt/map/overlay_product_layer.hpp

@@ -0,0 +1,37 @@
+#pragma once
+
+#include <scwx/qt/map/draw_layer.hpp>
+
+namespace scwx
+{
+namespace qt
+{
+namespace map
+{
+
+class OverlayProductLayer : public DrawLayer
+{
+public:
+   explicit OverlayProductLayer(std::shared_ptr<MapContext> context);
+   ~OverlayProductLayer();
+
+   void Initialize() override final;
+   void Render(const QMapLibreGL::CustomLayerRenderParameters&) override final;
+   void Deinitialize() override final;
+
+   bool RunMousePicking(
+      const QMapLibreGL::CustomLayerRenderParameters& params,
+      const QPointF&                                  mouseLocalPos,
+      const QPointF&                                  mouseGlobalPos,
+      const glm::vec2&                                mouseCoords,
+      const common::Coordinate&                       mouseGeoCoords,
+      std::shared_ptr<types::EventHandler>& eventHandler) override final;
+
+private:
+   class Impl;
+   std::unique_ptr<Impl> p;
+};
+
+} // namespace map
+} // namespace qt
+} // namespace scwx