Add scale to topic

include/openspace/rendering/screenspacerenderable.h

@@ -74,6 +74,7 @@ public:
     bool isFacingCamera() const;
     void setEnabled(bool isEnabled);
     float depth();
+    float scale() const;
 
     // Screen space functionality in these coords: [-1,1][-ratio,ratio]
     glm::vec2 screenSpacePosition();

modules/skybrowser/src/targetbrowserpair.cpp

@@ -198,6 +198,7 @@ ghoul::Dictionary TargetBrowserPair::dataAsDictionary() const {
     res.setValue("isFacingCamera", isFacingCamera());
     res.setValue("isUsingRae", isUsingRadiusAzimuthElevation());
     res.setValue("selectedImages", selectedImages());
+    res.setValue("scale", static_cast<double>(_browser->scale()));
     res.setValue("opacities", _browser->opacities());
         
     std::vector<std::pair<std::string, glm::dvec3>> copies = renderCopies();

src/rendering/screenspacerenderable.cpp

@@ -436,6 +436,10 @@ float ScreenSpaceRenderable::depth() {
         cartesianToSpherical(_cartesianPosition).x;
 }
 
+float ScreenSpaceRenderable::scale() const {
+    return _scale;
+}
+
 void ScreenSpaceRenderable::createShaders() {
     ghoul::Dictionary dict = ghoul::Dictionary();