Cycles: adjust Sky texture intensity to follow physical units

The sky will appear brighter than before by default. To compensate for this,
lower exposure in the Film panel. The default altitude was also changed from
90 to 15 degrees.

Patch contributed by Marco with the help of Ryan Jones.

Differential Revision: https://developer.blender.org/D8285

1 files changed, 6 insertions, 6 deletions

diff --git a/source/blender/makesrna/intern/rna_nodetree.c b/source/blender/makesrna/intern/rna_nodetree.c
index 332108facb3..6f0192bb810 100644
--- a/source/blender/makesrna/intern/rna_nodetree.c
+++ b/source/blender/makesrna/intern/rna_nodetree.c
@@ -4448,7 +4448,7 @@ static void def_sh_tex_sky(StructRNA *srna)
   RNA_def_property_update(prop, 0, "rna_ShaderNode_socket_update");
 
   prop = RNA_def_property(srna, "sun_size", PROP_FLOAT, PROP_ANGLE);
-  RNA_def_property_ui_text(prop, "Sun Size", "Size of sun disc (angular diameter)");
+  RNA_def_property_ui_text(prop, "Sun Size", "Size of sun disc");
   RNA_def_property_range(prop, 0.0f, M_PI_2);
   RNA_def_property_float_default(prop, DEG2RADF(0.545));
   RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
@@ -4460,7 +4460,7 @@ static void def_sh_tex_sky(StructRNA *srna)
   RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
 
   prop = RNA_def_property(srna, "sun_elevation", PROP_FLOAT, PROP_ANGLE);
-  RNA_def_property_ui_text(prop, "Sun Elevation", "Angle between sun and horizon");
+  RNA_def_property_ui_text(prop, "Sun Elevation", "Sun angle from horizon");
   RNA_def_property_range(prop, -M_PI_2, M_PI_2);
   RNA_def_property_float_default(prop, M_PI_2);
   RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
@@ -4471,25 +4471,25 @@ static void def_sh_tex_sky(StructRNA *srna)
   RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
 
   prop = RNA_def_property(srna, "altitude", PROP_FLOAT, PROP_NONE);
-  RNA_def_property_ui_text(prop, "Altitude", "Height from sea level in km");
+  RNA_def_property_ui_text(prop, "Altitude", "Height from sea level");
   RNA_def_property_range(prop, 0.0f, 60.0f);
   RNA_def_property_float_default(prop, 0.0f);
   RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
 
   prop = RNA_def_property(srna, "air_density", PROP_FLOAT, PROP_FACTOR);
-  RNA_def_property_ui_text(prop, "Air", "Density of air molecules (Rayleigh scattering)");
+  RNA_def_property_ui_text(prop, "Air", "Density of air molecules");
   RNA_def_property_range(prop, 0.0f, 10.0f);
   RNA_def_property_float_default(prop, 1.0f);
   RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
 
   prop = RNA_def_property(srna, "dust_density", PROP_FLOAT, PROP_FACTOR);
-  RNA_def_property_ui_text(prop, "Dust", "Density of dust and water molecules (Mie scattering)");
+  RNA_def_property_ui_text(prop, "Dust", "Density of dust molecules and water droplets");
   RNA_def_property_range(prop, 0.0f, 10.0f);
   RNA_def_property_float_default(prop, 1.0f);
   RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
 
   prop = RNA_def_property(srna, "ozone_density", PROP_FLOAT, PROP_FACTOR);
-  RNA_def_property_ui_text(prop, "Ozone", "Density of Ozone layer (Ozone absorption)");
+  RNA_def_property_ui_text(prop, "Ozone", "Density of Ozone layer");
   RNA_def_property_range(prop, 0.0f, 10.0f);
   RNA_def_property_float_default(prop, 1.0f);
   RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");