Cycles Aperture Ratio - option to produce anamorphic bokeh

Thanks for Aldo Zang for the help with the fix for the panorama/fisheye
depth of field calculation and the overall math.

Reviewed By: sergey, dingto

Subscribers: juicyfruit, gregzaal, #cycles, dingto, matray

Differential Revision: https://developer.blender.org/D753

2 files changed, 8 insertions, 0 deletions

diff --git a/intern/cycles/blender/addon/properties.py b/intern/cycles/blender/addon/properties.py
index b4a1b10f8b4..59e60a9eef1 100644
--- a/intern/cycles/blender/addon/properties.py
+++ b/intern/cycles/blender/addon/properties.py
@@ -544,6 +544,13 @@ class CyclesCameraSettings(bpy.types.PropertyGroup):
                 subtype='ANGLE',
                 default=0,
                 )
+        cls.aperture_ratio = FloatProperty(
+                name="Aperture Ratio",
+                description="Distortion to simulate anamorphic lens bokeh",
+                min=0.01, soft_min=1.0, soft_max=2.0,
+                default=1.0,
+                precision=4,
+                )
         cls.panorama_type = EnumProperty(
                 name="Panorama Type",
                 description="Distortion to use for the calculation",
diff --git a/intern/cycles/blender/addon/ui.py b/intern/cycles/blender/addon/ui.py
index fa827c3b1dc..aab9f83d0ed 100644
--- a/intern/cycles/blender/addon/ui.py
+++ b/intern/cycles/blender/addon/ui.py
@@ -468,6 +468,7 @@ class CyclesCamera_PT_dof(CyclesButtonsPanel, Panel):
         sub = col.column(align=True)
         sub.prop(ccam, "aperture_blades", text="Blades")
         sub.prop(ccam, "aperture_rotation", text="Rotation")
+        sub.prop(ccam, "aperture_ratio", text="Ratio")
 
 
 class Cycles_PT_context_material(CyclesButtonsPanel, Panel):