Index: trunk/ippconfig/sdss/camera.config
===================================================================
--- trunk/ippconfig/sdss/camera.config	(revision 17398)
+++ trunk/ippconfig/sdss/camera.config	(revision 17523)
@@ -51,88 +51,10 @@
 END
 
-# Reduction classes
-REDUCTION	METADATA
-	# Detrend processing not needed for these
-        # photometry & astrometry for pre-detrended images
-	PROCESSED	METADATA
-		CHIP		STR	PPIMAGE_OP
- 		JPEG_BIN1       STR     PPIMAGE_J1
- 		JPEG_BIN2       STR     PPIMAGE_J2
-	END
-END
-
-FITS    METADATA
-# BITPIX is the bits per pixel for writing the output data
-# COMP = NONE|RICE|GZIP|HCOMPRESS|PLIO is the compression algorithm
-# TILE.[XYZ] are the tile sizes.  0 means entire the dimension, so (0,1,1) forms tiles from rows
-# NOISE [0..16] is the number of "noise bits" to preserve when quantising floating point data; 16 for no loss
-# HSCALE is the scale factor for lossy compression with HCOMPRESS; 0 or 1 for none; 2*RMS --> 10x compression
-# HSMOOTH is the smoothing to apply to HCOMPRESSed data when decompressing; 0 for none
-
-# BITPIX(S32) is the bits per pixel for writing the output data
-# COMPRESSION(STR) = NONE|RICE|GZIP|HCOMPRESS|PLIO is the compression algorithm
-# TILE.[XYZ](S32) are the tile sizes.  0 means entire the dimension, so (0,1,1) forms tiles from rows
-# NOISE(S32) [0..16] is the number of "noise bits" to preserve when quantising floating point data
-# HSCALE(S32) is the scale factor for lossy compression with HCOMPRESS; 0 or 1 for none; 2*RMS --> 10x compression
-# HSMOOTH(S32) is the smoothing to apply to HCOMPRESSed data when decompressing; 0 for none
-# SCALING(STR) = NONE|RANGE|STDEV_POSITIVE|STDEV_NEGATIVE|STDEV_BOTH|MANUAL is the scaling scheme
-# BSCALE(F32) is the manual scaling to apply (when SCALING = MANUAL)
-# BZERO(F32) is the manual zero-point to apply (when SCALING = MANUAL)
-# STDEV.BITS(S32) is the number of bits to map to a standard deviation (when SCALING = STDEV_*)
-# STDEV.NUM(F32) is the number of standard deviations to the edge (when SCALING = STDEV_NEGATIVE|STDEV_POSITIVE)
-# FLOAT(STR) is the name of a custom floating-point type
-
-	DET_IMAGE	METADATA
-		BITPIX		S32	-32
-	END
-	DET_MASK	METADATA
-		BITPIX		S32	8
-	END
-	DET_WEIGHT	METADATA
-		BITPIX		S32	-32
-	END
-
-	SKY_IMAGE	METADATA
-		BITPIX		S32	-32
-	END
-	SKY_MASK	METADATA
-		BITPIX		S32	8
-	END
-	SKY_WEIGHT	METADATA
-		BITPIX		S32	-32
-	END
-
-	COMPRESSED_POSITIVE	METADATA
-		BITPIX		S32	16
-		SCALING		STR	STDEV_POSITIVE
-		STDEV.BITS	S32	4
-		STDEV.NUM	F32	10
-		COMPRESSION	STR	RICE
-		TILE.X		S32	0
-		TILE.Y		S32	1
-		TILE.Z		S32	1
-		NOISE		S32	8
-	END
-	COMPRESSED_MASK		METADATA
-		COMPRESSION	STR	PLIO
-		TILE.X		S32	0
-		TILE.Y		S32	1
-		TILE.Z		S32	1
-		NOISE		S32	8
-	END
-	COMPRESSED_SUBTRACTION	METADATA
-		BITPIX		S32	16
-		SCALING		STR	STDEV_BOTH
-		STDEV.BITS	S32	4
-		STDEV.NUM	F32	5
-		COMPRESSION	STR	RICE
-		TILE.X		S32	0
-		TILE.Y		S32	1
-		TILE.Z		S32	1
-		NOISE		S32	8
-	END
-
-END
-
+# reduction classes (recipes which are grouped together)
+REDUCTION	STR	recipes/reductionClasses.mdc
+
+FITSTYPES       STR     recipes/fitstypes.mdc
+
+## XXX replace with appropriate common filerules?
 FILERULES METADATA
    PSASTRO.INPUT       STR PSASTRO.INPUT.CMF