Index: trunk/psModules/src/concepts/pmConcepts.c
===================================================================
--- trunk/psModules/src/concepts/pmConcepts.c	(revision 25907)
+++ trunk/psModules/src/concepts/pmConcepts.c	(revision 25930)
@@ -249,4 +249,5 @@
 CONCEPT_REGISTER_FUNCTION(S32, Enum, -1); // For enums: set default to -1
 CONCEPT_REGISTER_FUNCTION(S32, S32, 0); // For values: set default to 0
+//CONCEPT_REGISTER_FUNCTION(Bool, Bool, NULL); // For values: set default to 0
 
 static void conceptRegisterTime(const char *name, /* Name of concept */ \
@@ -333,5 +334,6 @@
         conceptRegisterF32("FPA.TELTEMP.EXTRA", "Telescope Temperatures: extra", p_pmConceptParse_TELTEMPS, NULL, NULL, false, PM_FPA_LEVEL_FPA);
         conceptRegisterF32("FPA.PON.TIME", "Power On Time", NULL, NULL, NULL, false, PM_FPA_LEVEL_FPA);
-	conceptRegisterS32("FPA.BURNTOOL.APPLIED", "Status of burntool processing", p_pmConceptParse_BTOOLAPP,NULL,NULL,false,PM_FPA_LEVEL_FPA);
+	conceptRegisterS32("FPA.BURNTOOL.APPLIED", "Status of burntool processing", p_pmConceptParse_BTOOLAPP,p_pmConceptFormat_BTOOLAPP,NULL,false,PM_FPA_LEVEL_FPA);
+	//	conceptRegisterBool("FPA.BURNTOOL.APPLIED", "Status of burntool processing", NULL, NULL, NULL, false, PM_FPA_LEVEL_FPA);
         conceptRegisterF32("FPA.EXPOSURE", "Exposure time (sec)", NULL, NULL, NULL, false, PM_FPA_LEVEL_FPA);
     }
Index: trunk/psModules/src/concepts/pmConceptsRead.c
===================================================================
--- trunk/psModules/src/concepts/pmConceptsRead.c	(revision 25907)
+++ trunk/psModules/src/concepts/pmConceptsRead.c	(revision 25930)
@@ -47,4 +47,6 @@
     case PS_DATA_F64:
         return psMetadataItemAllocF64(pattern->name, pattern->comment, psMetadataItemParseF64(concept));
+    case PS_DATA_BOOL:
+      return psMetadataItemAllocBool(pattern->name, pattern->comment, psMetadataItemParseBool(concept));
     default:
         psWarning("Concept %s (%s) is not of a standard type (%x)\n",
Index: trunk/psModules/src/concepts/pmConceptsStandard.c
===================================================================
--- trunk/psModules/src/concepts/pmConceptsStandard.c	(revision 25907)
+++ trunk/psModules/src/concepts/pmConceptsStandard.c	(revision 25930)
@@ -753,5 +753,17 @@
     psError(PS_ERR_BAD_PARAMETER_TYPE, true, "Type for %s (%x) is not BOOL\n",
 	    concept->name, concept->type);
-    return NULL;
+    if (concept->type != PS_DATA_S32) {
+      psError(PS_ERR_BAD_PARAMETER_TYPE, true, "Wasn't the type I'd guessed either.\n");
+      return NULL;
+    }
+    psError(PS_ERR_BAD_PARAMETER_TYPE, true, "Looks like an S32 value? (%d)\n",
+	    concept->data.S32);
+
+    if (concept->data.S32 == 0) {
+      bt_status = 1;
+    }
+    else if (concept->data.S32 == 1) {
+      bt_status = -2;
+    }
   }
 
@@ -765,4 +777,32 @@
   return psMetadataItemAllocS32(concept->name, concept->comment, bt_status);
 }  
+psMetadataItem *p_pmConceptFormat_BTOOLAPP(const psMetadataItem *concept,
+					   pmConceptSource source,
+					   const psMetadata *cameraFormat,
+					   const pmFPA *fpa,
+					   const pmChip *chip,
+					   const pmCell *cell)
+{
+  assert(concept);
+
+  if (concept->type != PS_DATA_S32) {
+    return NULL;
+  }
+
+  if (concept->data.S32 == 0) {
+    return NULL;
+  }
+  else if (concept->data.S32 == -2) {
+    return psMetadataItemAllocBool(concept->name,concept->comment,true);
+  }
+  else if (concept->data.S32 == 1) {
+    return psMetadataItemAllocBool(concept->name,concept->comment,false);
+  }
+  else {
+    return NULL;
+  }
+
+}  
+
 
 // Get the current value of a concept
Index: trunk/psModules/src/concepts/pmConceptsStandard.h
===================================================================
--- trunk/psModules/src/concepts/pmConceptsStandard.h	(revision 25907)
+++ trunk/psModules/src/concepts/pmConceptsStandard.h	(revision 25930)
@@ -146,4 +146,12 @@
     const pmCell *cell ///< Cell for concept, or NULL
     );
+psMetadataItem *p_pmConceptFormat_BTOOLAPP(
+    const psMetadataItem *concept, ///< Concept to format
+    pmConceptSource source, ///< Source for concept
+    const psMetadata *cameraFormat, ///< Camera format definition
+    const pmFPA *fpa, ///< FPA for concept, or NULL
+    const pmChip *chip, ///< Chip for concept, or NULL
+    const pmCell *cell ///< Cell for concept, or NULL
+    );
 
 
Index: trunk/psModules/src/detrend/pmFringeStats.c
===================================================================
--- trunk/psModules/src/detrend/pmFringeStats.c	(revision 25907)
+++ trunk/psModules/src/detrend/pmFringeStats.c	(revision 25930)
@@ -11,4 +11,9 @@
 #include "pmFPA.h"
 #include "pmFringeStats.h"
+
+#include "psPolynomialMD.h"
+#include "psMinimizePolyFit.h"
+#include "psVector.h"
+
 
 // Future optimisations for speed:
@@ -331,6 +336,6 @@
         dfPt[i] = 1.0 / medianSd->sampleStdev;
 
-        psTrace("psModules.detrend", 7, "[%d:%d,%d:%d]: %f %f\n", (int)region.x0, (int)region.x1,
-                (int)region.y0, (int)region.y1, fPt[i], dfPt[i]);
+        psTrace("psModules.detrend", 7, "[%d:%d,%d:%d]: %f %f : %s\n", (int)region.x0, (int)region.x1,
+                (int)region.y0, (int)region.y1, fPt[i], dfPt[i], readout->parent->hdu->extname);
     }
     psFree(sky);
@@ -840,5 +845,5 @@
             }
         }
-        B->data.F64[i] = vector;
+	B->data.F64[i] = vector;
     }
 
@@ -966,4 +971,5 @@
             }
         }
+	
     }
 
@@ -988,7 +994,46 @@
                 psTrace("psModules.detrend", 9, "Masking region %d because not finite in fringe %d.\n", j, i);
             }
-        }
-    }
-
+	    else if (fabs(fringe->f->data.F32[j]) > 0.1) {
+	      mask->data.PS_TYPE_VECTOR_MASK_DATA[j] = 1;
+	      psTrace("psModules.detrend", 9, "Masking region %d because too large fringe %d.\n", j, i);
+	    }
+	    // Mask bad points in the science data as well.
+	    if ((i == 0) && (!isfinite(science->f->data.F32[j]))) {
+                mask->data.PS_TYPE_VECTOR_MASK_DATA[j] = 1;
+                psTrace("psModules.detrend", 9, "Masking region %d because not finite in science fringe %d.\n", j, i);
+	    }	      
+	    psTrace("psModules.detrend", 7, "F %f %f %f %d\n",
+		    fringe->f->data.F32[j], science->f->data.F32[j],
+		    1 / science->df->data.F32[j],(int) mask->data.PS_TYPE_VECTOR_MASK_DATA[j]);
+        }
+    }
+    
+/*     // Begin switch from old outlier removal and fitting code. */
+
+    psPolynomial1D *poly = psPolynomial1DAlloc(PS_POLYNOMIAL_ORD, 1);
+
+    pmFringeStats *fringe = fringes->data[0];
+    psVector *errors = psVectorAlloc(science->df->n,PS_TYPE_F32);
+    for (int j = 0; j < errors->n; j++) {
+      errors->data.F32[j] = 1 / science->df->data.F32[j];
+    }
+    psVectorFitPolynomial1D(poly,mask,0xff,science->f,errors,fringe->f);
+
+    for (int i = 0; i <= poly->nX; i++) {
+      scale->coeff->data.F32[i] = poly->coeff[i];
+      psTrace("psModules.detrend",7,"COEFFS: %d %g %g %g\n",i,scale->coeff->data.F32[i],poly->coeff[i],poly->coeffErr[i]);
+    }
+
+    psFree(poly);
+    //    psFree(fringe);
+    psFree(errors);
+
+    psFree(median);
+    psFree(diff);
+    return scale;
+    // End switch from old code.
+    
+
+    
 # if (0)
     // Write fringe data to file for a test
@@ -1019,5 +1064,7 @@
 	}
         scale->coeff->data.F32[0] -= median->sampleMedian;
-        scale->coeff->data.F32[i] = 0.0;
+	if (i != 0) {
+	  scale->coeff->data.F32[i] = 0.0;
+	}
     }
     psFree(median);
@@ -1051,4 +1098,5 @@
 
     return scale;
+    //# endif
 }