update RenderSetting objects copy ctor

src/bindings/bnd_dithering.cpp

@@ -9,8 +9,22 @@ BND_File3dmDithering::BND_File3dmDithering()
 
 BND_File3dmDithering::BND_File3dmDithering(const BND_File3dmDithering& dit)
 {
-  _dit = new ON_Dithering(*dit._dit); 
-  _owned = true; 
+  // see bnd_ground_plane.cpp for justification
+  _dit = dit._dit;
+
+  if (dit._owned)
+  {
+    // Tell the original owner that it no longer owns it.
+    const_cast<BND_File3dmDithering&>(dit)._owned = false;
+
+    // This object now owns it instead.
+    _owned = true;
+  }
+
+  // Old code makes an actual copy of the native object -- which means changes don't stick.
+  //_dit = new ON_Dithering(*dit._dit); 
+  //_owned = true; 
+
 }
 
 BND_File3dmDithering::BND_File3dmDithering(ON_Dithering* dit)

src/bindings/bnd_linear_workflow.cpp

@@ -9,8 +9,21 @@ BND_File3dmLinearWorkflow::BND_File3dmLinearWorkflow()
 
 BND_File3dmLinearWorkflow::BND_File3dmLinearWorkflow(const BND_File3dmLinearWorkflow& lw)
 {
-  _lw = new ON_LinearWorkflow(*lw._lw); 
-  _owned = true; 
+   // see bnd_ground_plane.cpp for justification
+  _lw = lw._lw;
+
+  if (lw._owned)
+  {
+    // Tell the original owner that it no longer owns it.
+    const_cast<BND_File3dmLinearWorkflow&>(lw)._owned = false;
+
+    // This object now owns it instead.
+    _owned = true;
+  }
+
+  // Old code makes an actual copy of the native object -- which means changes don't stick.
+  //_lw = new ON_LinearWorkflow(*lw._lw); 
+  //_owned = true; 
 }
 
 BND_File3dmLinearWorkflow::BND_File3dmLinearWorkflow(ON_LinearWorkflow* lw)

src/bindings/bnd_post_effects.cpp

@@ -11,9 +11,22 @@ BND_File3dmPostEffect::BND_File3dmPostEffect(ON_PostEffect* pep)
 }
 
 BND_File3dmPostEffect::BND_File3dmPostEffect(const BND_File3dmPostEffect& pep) 
-{ 
-  _pep = new ON_PostEffect(*pep._pep);
-  _owned = true;
+{
+   // see bnd_ground_plane.cpp for justification
+  _pep = pep._pep;
+
+  if (pep._owned)
+  {
+    // Tell the original owner that it no longer owns it.
+    const_cast<BND_File3dmPostEffect&>(pep)._owned = false;
+
+    // This object now owns it instead.
+    _owned = true;
+  }
+
+  // Old code makes an actual copy of the native object -- which means changes don't stick.
+  //_pep = new ON_PostEffect(*pep._pep);
+  //_owned = true;
 }
 
 BND_File3dmPostEffect::~BND_File3dmPostEffect()
@@ -88,8 +101,21 @@ BND_File3dmPostEffectTable::BND_File3dmPostEffectTable()
 
 BND_File3dmPostEffectTable::BND_File3dmPostEffectTable(const BND_File3dmPostEffectTable& pet)
 {
-  _peps = new ON_PostEffects(*pet._peps);
-  _owned = true;
+   // see bnd_ground_plane.cpp for justification
+  _peps = pet._peps;
+
+  if (pet._owned)
+  {
+    // Tell the original owner that it no longer owns it.
+    const_cast<BND_File3dmPostEffectTable&>(pet)._owned = false;
+
+    // This object now owns it instead.
+    _owned = true;
+  }
+
+  // Old code makes an actual copy of the native object -- which means changes don't stick.
+  //_peps = new ON_PostEffects(*pet._peps);
+  //_owned = true;
 }
 
 BND_File3dmPostEffectTable::BND_File3dmPostEffectTable(ON_PostEffects* peps)

src/bindings/bnd_render_channels.cpp

@@ -9,8 +9,21 @@ BND_File3dmRenderChannels::BND_File3dmRenderChannels()
 
 BND_File3dmRenderChannels::BND_File3dmRenderChannels(const BND_File3dmRenderChannels& rch)
 {
-  _rch = new ON_RenderChannels(*rch._rch);
-  _owned = true;
+   // see bnd_ground_plane.cpp for justification
+  _rch = rch._rch;
+
+  if (rch._owned)
+  {
+    // Tell the original owner that it no longer owns it.
+    const_cast<BND_File3dmRenderChannels&>(rch)._owned = false;
+
+    // This object now owns it instead.
+    _owned = true;
+  }
+
+  // Old code makes an actual copy of the native object -- which means changes don't stick.
+  //_rch = new ON_RenderChannels(*rch._rch);
+  //_owned = true;
 }
 
 BND_File3dmRenderChannels::BND_File3dmRenderChannels(ON_RenderChannels* rch)

src/bindings/bnd_render_environments.cpp

@@ -12,8 +12,21 @@ BND_File3dmRenderEnvironments::BND_File3dmRenderEnvironments()
 
 BND_File3dmRenderEnvironments::BND_File3dmRenderEnvironments(const BND_File3dmRenderEnvironments& re)
 {
-  _rs = new ON_3dmRenderSettings(*re._rs);
-  _owned = true;
+   // see bnd_ground_plane.cpp for justification
+  _rs = re._rs;
+
+  if (re._owned)
+  {
+    // Tell the original owner that it no longer owns it.
+    const_cast<BND_File3dmRenderEnvironments&>(re)._owned = false;
+
+    // This object now owns it instead.
+    _owned = true;
+  }
+
+  // Old code makes an actual copy of the native object -- which means changes don't stick.
+  //_rs = new ON_3dmRenderSettings(*re._rs);
+  //_owned = true;
 }
 
 BND_File3dmRenderEnvironments::BND_File3dmRenderEnvironments(ON_3dmRenderSettings* rs)

src/bindings/bnd_safe_frame.cpp

@@ -9,8 +9,21 @@ BND_File3dmSafeFrame::BND_File3dmSafeFrame()
 
 BND_File3dmSafeFrame::BND_File3dmSafeFrame(const BND_File3dmSafeFrame& sf)
 {
-  _sf = new ON_SafeFrame(*sf._sf);
-  _owned = true;
+   // see bnd_ground_plane.cpp for justification
+  _sf = sf._sf;
+
+  if (sf._owned)
+  {
+    // Tell the original owner that it no longer owns it.
+    const_cast<BND_File3dmSafeFrame&>(sf._owned = false;
+
+    // This object now owns it instead.
+    _owned = true;
+  }
+
+  // Old code makes an actual copy of the native object -- which means changes don't stick.
+  //_sf = new ON_SafeFrame(*sf._sf);
+  //_owned = true;
 }
 
 BND_File3dmSafeFrame::BND_File3dmSafeFrame(ON_SafeFrame* sf)

src/bindings/bnd_skylight.cpp

@@ -9,8 +9,21 @@ BND_File3dmSkylight::BND_File3dmSkylight()
 
 BND_File3dmSkylight::BND_File3dmSkylight(const BND_File3dmSkylight& sl)
 {
-  _sl = new ON_Skylight(*sl._sl); 
-  _owned = true; 
+   // see bnd_ground_plane.cpp for justification
+  _sl = sl._sl;
+
+  if (sl._owned)
+  {
+    // Tell the original owner that it no longer owns it.
+    const_cast<BND_File3dmSkylight&>(sl)._owned = false;
+
+    // This object now owns it instead.
+    _owned = true;
+  }
+
+  // Old code makes an actual copy of the native object -- which means changes don't stick.
+  //_sl = new ON_Skylight(*sl._sl); 
+  //_owned = true; 
 }
 
 BND_File3dmSkylight::BND_File3dmSkylight(ON_Skylight* sl)

src/bindings/bnd_sun.cpp

@@ -9,8 +9,21 @@ BND_File3dmSun::BND_File3dmSun()
 
 BND_File3dmSun::BND_File3dmSun(const BND_File3dmSun& sun)
 {
-  _sun = new ON_Sun(*sun._sun);
-  _owned = true;
+   // see bnd_ground_plane.cpp for justification
+  _sun = sun._sun;
+
+  if (sun._owned)
+  {
+    // Tell the original owner that it no longer owns it.
+    const_cast<BND_File3dmSun&>(sun)._owned = false;
+
+    // This object now owns it instead.
+    _owned = true;
+  }
+
+  // Old code makes an actual copy of the native object -- which means changes don't stick.
+  //_sun = new ON_Sun(*sun._sun);
+  //_owned = true;
 }
 
 BND_File3dmSun::BND_File3dmSun(ON_Sun* s)