From 671519d2d9b7e9ca506aa6d23af9cc587e3e239b Mon Sep 17 00:00:00 2001
From: Andrew Heather <>
Date: Fri, 1 Nov 2019 11:03:30 +0000
Subject: [PATCH] ENH: Function objects - runTimePostProcessing - updated and
 exposed culling options

---
 .../graphics/runTimePostProcessing/surface.C          | 11 ++++++++++-
 .../graphics/runTimePostProcessing/surface.H          |  8 ++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/functionObjects/graphics/runTimePostProcessing/surface.C b/src/functionObjects/graphics/runTimePostProcessing/surface.C
index 5b8a99030f..34995e71a3 100644
--- a/src/functionObjects/graphics/runTimePostProcessing/surface.C
+++ b/src/functionObjects/graphics/runTimePostProcessing/surface.C
@@ -115,11 +115,15 @@ void Foam::functionObjects::runTimePostPro::surface::setRepresentation
         case rtGlyph:
         case rtSurface:
         {
+            actor->GetProperty()->SetBackfaceCulling(backFaceCulling_);
+            actor->GetProperty()->SetFrontfaceCulling(frontFaceCulling_);
             actor->GetProperty()->SetRepresentationToSurface();
             break;
         }
         case rtSurfaceWithEdges:
         {
+            actor->GetProperty()->SetBackfaceCulling(backFaceCulling_);
+            actor->GetProperty()->SetFrontfaceCulling(frontFaceCulling_);
             actor->GetProperty()->SetRepresentationToSurface();
             actor->GetProperty()->EdgeVisibilityOn();
             break;
@@ -211,7 +215,9 @@ Foam::functionObjects::runTimePostPro::surface::surface
     edgeColour_(nullptr),
     surfaceActor_(),
     edgeActor_(),
-    maxGlyphLength_(0)
+    maxGlyphLength_(0),
+    backFaceCulling_(false),
+    frontFaceCulling_(true)
 {
     surfaceActor_ = vtkSmartPointer<vtkActor>::New();
     edgeActor_ = vtkSmartPointer<vtkActor>::New();
@@ -238,6 +244,9 @@ Foam::functionObjects::runTimePostPro::surface::surface
     {
         dict.readEntry("maxGlyphLength", maxGlyphLength_);
     }
+
+    dict.readIfPresent("backFaceCulling", backFaceCulling_);
+    dict.readIfPresent("frontFaceCulling", frontFaceCulling_);
 }
 
 
diff --git a/src/functionObjects/graphics/runTimePostProcessing/surface.H b/src/functionObjects/graphics/runTimePostProcessing/surface.H
index ae21df9a8e..c450bc289f 100644
--- a/src/functionObjects/graphics/runTimePostProcessing/surface.H
+++ b/src/functionObjects/graphics/runTimePostProcessing/surface.H
@@ -38,6 +38,8 @@ Description
         edgeColour    | Override edge colour                | no  |
         featureEdges  | Display surface feature edges       | no  | false
         maxGlyphLength | Limit for glyph representation     | yes | 0
+        backFaceCulling | Cull back face                    | no  | false
+        frontFaceCulling | Cull front face                  | no  | true
     \endtable
 
 SourceFiles
@@ -183,6 +185,12 @@ protected:
         //- Max glyph length for representation type rtGlyph
         scalar maxGlyphLength_;
 
+        //- Back face culling option; default = off
+        bool backFaceCulling_;
+
+        //- Front face culling option; default = on
+        bool frontFaceCulling_;
+
 
     // Protected Member Functions