Merge branch 'feature/hdrOS' of https://github.com/OpenSpace/OpenSpace into feature/milkyway-galaxy

data/assets/default.scene

@@ -10,6 +10,11 @@ asset.onInitialize(function ()
     openspace.globebrowsing.goToGeo("Earth", 58.5877, 16.1924, 20000000)
 
     openspace.markInterestingNodes({ "Earth", "Mars", "Moon", "Sun" })
+
+     -- HDR / Image options:
+    openspace.setPropertyValueSingle('RenderEngine.Gamma', 0.95);
+    openspace.setPropertyValueSingle('RenderEngine.HDRExposure', 3.7);
+    openspace.setPropertyValueSingle('RenderEngine.Saturation', 1.0);
 end)
 
 asset.onDeinitialize(function ()

data/assets/scene/digitaluniverse/milkyway.asset

@@ -40,7 +40,8 @@ local sphere = {
         Orientation = "Inside",
         UseAdditiveBlending = true,
         MirrorTexture = true,
-        FadeOutThreshold = 0.025
+        FadeOutThreshold = 0.025,
+        Background = true
     },
     GUI = {
         Name = "Milky Way Sphere",

data/assets/scene/solarsystem/planets/earth/atmosphere.asset

@@ -16,6 +16,7 @@ local Atmosphere = {
             PlanetRadius    = 6377.0,
             PlanetAverageGroundReflectance = 0.1,
             GroundRadianceEmittion = 0.6,
+            SunIntensity = 6.9,
             Rayleigh = {
               Coefficients = {
                 -- Wavelengths are given in 10^-9m

data/assets/scene/solarsystem/planets/mars/atmosphere.asset

@@ -16,6 +16,8 @@ local Atmosphere = {
             PlanetRadius = 3386.190,
             PlanetAverageGroundReflectance = 0.1,
             GroundRadianceEmittion = 0.37,
+            SunIntensity = 6.7,
+            MieScatteringExtinctionPropCoefficient = 0.23862,
             Rayleigh = {
                 Coefficients = {
                     -- Wavelengths are given in 10^-9m

data/assets/scene/solarsystem/sun/glare.asset

@@ -15,7 +15,8 @@ local SunGlare = {
         Billboard = true,
         Texture = textures .. "/halo.png",
         BlendMode = "Additive",
-        RenderableType = "Transparent"
+        Opacity = 0.65,
+        RenderableType = "Transparency"
     },
     Transform = {
         Translation = {