diff --git a/rtengine/dcrop.cc b/rtengine/dcrop.cc
index a489bd681..bc0972092 100644
--- a/rtengine/dcrop.cc
+++ b/rtengine/dcrop.cc
@@ -813,7 +813,8 @@ void Crop::update(int todo)
 
     const bool needstransform  = parent->ipf.needsTransform(skips(parent->fw, skip), skips(parent->fh, skip), parent->imgsrc->getRotateDegree(), parent->imgsrc->getMetaData());
     // transform
-    if (needstransform || ((todo & (M_TRANSFORM | M_RGBCURVE)) && params.dirpyrequalizer.cbdlMethod == "bef" && params.dirpyrequalizer.enabled && !params.colorappearance.enabled)) {
+   // if (needstransform || ((todo & (M_TRANSFORM | M_RGBCURVE)) && params.dirpyrequalizer.cbdlMethod == "bef" && params.dirpyrequalizer.enabled && !params.colorappearance.enabled)) {
+    if (needstransform || ((todo & (M_TRANSFORM | M_RGBCURVE)) && params.dirpyrequalizer.cbdlMethod == "bef" && params.dirpyrequalizer.enabled && params.colorappearance.modelmethod != "02")) {
         if (!transCrop) {
             transCrop = new Imagefloat(cropw, croph);
         }
@@ -834,7 +835,8 @@ void Crop::update(int todo)
         transCrop = nullptr;
     }
 
-    if ((todo & (M_TRANSFORM | M_RGBCURVE))  && params.dirpyrequalizer.cbdlMethod == "bef" && params.dirpyrequalizer.enabled && !params.colorappearance.enabled) {
+   // if ((todo & (M_TRANSFORM | M_RGBCURVE))  && params.dirpyrequalizer.cbdlMethod == "bef" && params.dirpyrequalizer.enabled && !params.colorappearance.enabled) {
+    if ((todo & (M_TRANSFORM | M_RGBCURVE))  && params.dirpyrequalizer.cbdlMethod == "bef" && params.dirpyrequalizer.enabled && params.colorappearance.modelmethod != "02") {
 
         const int W = baseCrop->getWidth();
         const int H = baseCrop->getHeight();
@@ -1329,21 +1331,24 @@ void Crop::update(int todo)
         parent->ipf.vibrance(labnCrop, params.vibrance, params.toneCurve.hrenabled, params.icm.workingProfile);
         parent->ipf.labColorCorrectionRegions(labnCrop);
 
-        if ((params.colorappearance.enabled && !params.colorappearance.tonecie) || (!params.colorappearance.enabled)) {
+       // if ((params.colorappearance.enabled && !params.colorappearance.tonecie) || (!params.colorappearance.enabled)) {
+        if ((params.colorappearance.enabled && !params.colorappearance.tonecie) || (params.colorappearance.modelmethod != "02")) {
             parent->ipf.EPDToneMap(labnCrop, 0, skip);
         }
 
         //parent->ipf.EPDToneMap(labnCrop, 5, 1);    //Go with much fewer than normal iterates for fast redisplay.
         // for all treatments Defringe, Sharpening, Contrast detail , Microcontrast they are activated if "CIECAM" function are disabled
         if (skip == 1) {
-            if ((params.colorappearance.enabled && !settings->autocielab)  || (!params.colorappearance.enabled)) {
+          //  if ((params.colorappearance.enabled && !settings->autocielab)  || (!params.colorappearance.enabled)) {
+            if ((params.colorappearance.enabled && !settings->autocielab)  || (params.colorappearance.modelmethod != "02")) {
                 parent->ipf.impulsedenoise(labnCrop);
                 parent->ipf.defringe(labnCrop);
             }
 
             parent->ipf.MLsharpen(labnCrop);
 
-            if ((params.colorappearance.enabled && !settings->autocielab)  || (!params.colorappearance.enabled)) {
+           // if ((params.colorappearance.enabled && !settings->autocielab)  || (!params.colorappearance.enabled)) {
+            if ((params.colorappearance.enabled && !settings->autocielab)  || (params.colorappearance.modelmethod != "02")) {
                 parent->ipf.MLmicrocontrast(labnCrop);
                 parent->ipf.sharpening(labnCrop, params.sharpening, parent->sharpMask);
             }
@@ -1352,7 +1357,8 @@ void Crop::update(int todo)
         //   if (skip==1) {
 
         if (params.dirpyrequalizer.cbdlMethod == "aft") {
-            if (((params.colorappearance.enabled && !settings->autocielab)  || (!params.colorappearance.enabled))) {
+           // if (((params.colorappearance.enabled && !settings->autocielab)  || (!params.colorappearance.enabled))) {
+            if (((params.colorappearance.enabled && !settings->autocielab)  || (params.colorappearance.modelmethod != "02"))) {
                 parent->ipf.dirpyrequalizer(labnCrop, skip);
                 //  parent->ipf.Lanczoslab (labnCrop,labnCrop , 1.f/skip);
             }
diff --git a/rtengine/improccoordinator.cc b/rtengine/improccoordinator.cc
index 604d353c4..8a6fd06e4 100644
--- a/rtengine/improccoordinator.cc
+++ b/rtengine/improccoordinator.cc
@@ -860,7 +860,8 @@ void ImProcCoordinator::updatePreviewImage(int todo, bool panningRelatedChange)
         bool needstransform = ipf.needsTransform(fw, fh, imgsrc->getRotateDegree(), imgsrc->getMetaData());
 
 
-        if ((needstransform || ((todo & (M_TRANSFORM | M_RGBCURVE))  && params->dirpyrequalizer.cbdlMethod == "bef" && params->dirpyrequalizer.enabled && !params->colorappearance.enabled))) {
+      //  if ((needstransform || ((todo & (M_TRANSFORM | M_RGBCURVE))  && params->dirpyrequalizer.cbdlMethod == "bef" && params->dirpyrequalizer.enabled && !params->colorappearance.enabled))) {
+        if ((needstransform || ((todo & (M_TRANSFORM | M_RGBCURVE))  && params->dirpyrequalizer.cbdlMethod == "bef" && params->dirpyrequalizer.enabled && params->colorappearance.modelmethod != "02"))) {
             // Forking the image
             assert(oprevi);
             Imagefloat *op = oprevi;
@@ -882,7 +883,8 @@ void ImProcCoordinator::updatePreviewImage(int todo, bool panningRelatedChange)
             }
         }
 
-        if ((todo & (M_TRANSFORM | M_RGBCURVE))  && params->dirpyrequalizer.cbdlMethod == "bef" && params->dirpyrequalizer.enabled && !params->colorappearance.enabled) {
+     //   if ((todo & (M_TRANSFORM | M_RGBCURVE))  && params->dirpyrequalizer.cbdlMethod == "bef" && params->dirpyrequalizer.enabled && !params->colorappearance.enabled) {
+        if ((todo & (M_TRANSFORM | M_RGBCURVE))  && params->dirpyrequalizer.cbdlMethod == "bef" && params->dirpyrequalizer.enabled && params->colorappearance.modelmethod != "02") {
             const int W = oprevi->getWidth();
             const int H = oprevi->getHeight();
             LabImage labcbdl(W, H);
@@ -1755,12 +1757,14 @@ void ImProcCoordinator::updatePreviewImage(int todo, bool panningRelatedChange)
             ipf.vibrance(nprevl, params->vibrance, params->toneCurve.hrenabled, params->icm.workingProfile);
             ipf.labColorCorrectionRegions(nprevl);
 
-            if ((params->colorappearance.enabled && !params->colorappearance.tonecie) || (!params->colorappearance.enabled)) {
+         //   if ((params->colorappearance.enabled && !params->colorappearance.tonecie) || (!params->colorappearance.enabled)) {
+            if ((params->colorappearance.enabled && !params->colorappearance.tonecie) || (params->colorappearance.modelmethod != "02")) {
                 ipf.EPDToneMap(nprevl, 0, scale);
             }
 
             if (params->dirpyrequalizer.cbdlMethod == "aft") {
-                if (((params->colorappearance.enabled && !settings->autocielab) || (!params->colorappearance.enabled))) {
+              //  if (((params->colorappearance.enabled && !settings->autocielab) || (!params->colorappearance.enabled))) {
+                if (((params->colorappearance.enabled && !settings->autocielab) || (params->colorappearance.modelmethod != "02"))) {
                     ipf.dirpyrequalizer(nprevl, scale);
                 }
             }
diff --git a/rtengine/rtthumbnail.cc b/rtengine/rtthumbnail.cc
index 1691912a1..1816a7470 100644
--- a/rtengine/rtthumbnail.cc
+++ b/rtengine/rtthumbnail.cc
@@ -1528,7 +1528,8 @@ IImage8* Thumbnail::processImage (const procparams::ProcParams& params, eSensorT
 
 
 
-    if ((params.colorappearance.enabled && !params.colorappearance.tonecie) || !params.colorappearance.enabled) {
+   // if ((params.colorappearance.enabled && !params.colorappearance.tonecie) || !params.colorappearance.enabled) {
+    if ((params.colorappearance.enabled && !params.colorappearance.tonecie) || params.colorappearance.modelmethod != "02") {
         ipf.EPDToneMap (labView, 5, 6);
     }
 
diff --git a/rtengine/simpleprocess.cc b/rtengine/simpleprocess.cc
index e7d13884c..241d628e9 100644
--- a/rtengine/simpleprocess.cc
+++ b/rtengine/simpleprocess.cc
@@ -1004,7 +1004,7 @@ private:
                 }
             }
         }
-
+                                                                                            //colorappearance.modelmethod == "02"
         bool execcam = false;
 
         //execcam => work around for pre-ciecam in LA: about 0.1 second
@@ -1523,7 +1523,8 @@ private:
         ipf.chromiLuminanceCurve(nullptr, 1, labView, labView, curve1, curve2, satcurve, lhskcurve, clcurve, lumacurve, utili, autili, butili, ccutili, cclutili, clcutili, dummy, dummy);
 
 
-        if ((params.colorappearance.enabled && !params.colorappearance.tonecie) || (!params.colorappearance.enabled)) {
+    //    if ((params.colorappearance.enabled && !params.colorappearance.tonecie) || (!params.colorappearance.enabled)) {
+        if ((params.colorappearance.enabled && !params.colorappearance.tonecie) || (params.colorappearance.modelmethod != "02")) {
             ipf.EPDToneMap(labView, 0, 1);
         }
 
@@ -1533,7 +1534,8 @@ private:
 
         // for all treatments Defringe, Sharpening, Contrast detail ,Microcontrast they are activated if "CIECAM" function are disabled
 
-        if ((params.colorappearance.enabled && !settings->autocielab) || (!params.colorappearance.enabled)) {
+      //  if ((params.colorappearance.enabled && !settings->autocielab) || (!params.colorappearance.enabled)) {
+        if ((params.colorappearance.enabled && !settings->autocielab) || (params.colorappearance.modelmethod != "02")) {
             ipf.impulsedenoise(labView);
             ipf.defringe(labView);
         }
@@ -1543,12 +1545,14 @@ private:
         }
 
         if (params.sharpenMicro.enabled) {
-            if ((params.colorappearance.enabled && !settings->autocielab) || (!params.colorappearance.enabled)) {
+          //  if ((params.colorappearance.enabled && !settings->autocielab) || (!params.colorappearance.enabled)) {
+            if ((params.colorappearance.enabled && !settings->autocielab) || (params.colorappearance.modelmethod != "02")) {
                 ipf.MLmicrocontrast(labView);     //!params.colorappearance.sharpcie
             }
         }
 
-        if (((params.colorappearance.enabled && !settings->autocielab) || (!params.colorappearance.enabled)) && params.sharpening.enabled) {
+      //  if (((params.colorappearance.enabled && !settings->autocielab) || (!params.colorappearance.enabled)) && params.sharpening.enabled) {
+        if (((params.colorappearance.enabled && !settings->autocielab) || (params.colorappearance.modelmethod != "02")) && params.sharpening.enabled) {
             ipf.sharpening(labView, params.sharpening);
 
         }
@@ -1557,7 +1561,8 @@ private:
 
         // directional pyramid wavelet
         if (params.dirpyrequalizer.cbdlMethod == "aft") {
-            if ((params.colorappearance.enabled && !settings->autocielab)  || !params.colorappearance.enabled) {
+         //   if ((params.colorappearance.enabled && !settings->autocielab)  || !params.colorappearance.enabled) {
+            if ((params.colorappearance.enabled && !settings->autocielab)  || params.colorappearance.modelmethod != "02") {
                 ipf.dirpyrequalizer(labView, 1);     //TODO: this is the luminance tonecurve, not the RGB one
             }
         }
@@ -1935,7 +1940,8 @@ private:
             }
         }
 
-        bool bwonly = params.blackwhite.enabled && !params.colorToning.enabled && !autili && !butili && !params.colorappearance.enabled;
+      //  bool bwonly = params.blackwhite.enabled && !params.colorToning.enabled && !autili && !butili && !params.colorappearance.enabled;
+        bool bwonly = params.blackwhite.enabled && !params.colorToning.enabled && !autili && !butili && params.colorappearance.modelmethod != "02";
 
         ///////////// Custom output gamma has been removed, the user now has to create
         ///////////// a new output profile with the ICCProfileCreator