diff --git a/startup/GafferArnold/outputs.py b/startup/GafferArnold/outputs.py
new file mode 100644
index 00000000000..5f0ef6d7246
--- /dev/null
+++ b/startup/GafferArnold/outputs.py
@@ -0,0 +1,136 @@
+##########################################################################
+#
+#  Copyright (c) 2012, John Haddon. All rights reserved.
+#  Copyright (c) 2025, Image Engine Design Inc. All rights reserved.
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions are
+#  met:
+#
+#      * Redistributions of source code must retain the above
+#        copyright notice, this list of conditions and the following
+#        disclaimer.
+#
+#      * Redistributions in binary form must reproduce the above
+#        copyright notice, this list of conditions and the following
+#        disclaimer in the documentation and/or other materials provided with
+#        the distribution.
+#
+#      * Neither the name of John Haddon nor the names of
+#        any other contributors to this software may be used to endorse or
+#        promote products derived from this software without specific prior
+#        written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+#  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+#  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+#  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+#  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+#  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+#  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+#  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+#  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+##########################################################################
+
+import os
+
+import IECore
+import IECoreScene
+
+import Gaffer
+import GafferScene
+
+import GafferArnold
+
+for aov in [
+	"beauty",
+	"direct",
+	"indirect",
+	"emission",
+	"background",
+	"diffuse",
+	"specular",
+	"coat",
+	"transmission",
+	"sss",
+	"volume",
+	"albedo",
+	"diffuse_direct",
+	"diffuse_indirect",
+	"diffuse_albedo",
+	"specular_direct",
+	"specular_indirect",
+	"specular_albedo",
+	"coat_direct",
+	"coat_indirect",
+	"coat_albedo",
+	"transmission_direct",
+	"transmission_indirect",
+	"transmission_albedo",
+	"sss_direct",
+	"sss_indirect",
+	"sss_albedo",
+	"volume_direct",
+	"volume_indirect",
+	"volume_albedo",
+	"motionvector",
+	"normal",
+	"depth",
+] :
+
+	label = aov.replace( "_", " " ).title().replace( " ", "_" )
+	if aov == "beauty":
+		data = "rgba"
+	elif aov == "depth":
+		data = "float Z"
+	elif aov == "normal":
+		data = "color N"
+	else:
+		data = "color " + aov
+
+	if aov == "motionvector" :
+		parameters = {
+			"filter" : "closest"
+		}
+	else :
+		parameters = {}
+
+	if aov == "depth":
+		parameters["layerName"] = "Z"
+
+	if aov not in { "motionvector", "emission", "background" } :
+		parameters["layerPerLightGroup"] = False
+
+	interactiveParameters = parameters.copy()
+	interactiveParameters.update(
+		{
+			"driverType" : "ClientDisplayDriver",
+			"displayHost" : "localhost",
+			"displayPort" : "${image:catalogue:port}",
+			"remoteDisplayType" : "GafferScene::GafferDisplayDriver",
+		}
+	)
+
+	GafferScene.Outputs.registerOutput(
+		"Interactive/Arnold/" + label,
+		IECoreScene.Output(
+			aov,
+			"ieDisplay",
+			data,
+			interactiveParameters
+		)
+	)
+
+	GafferScene.Outputs.registerOutput(
+		"Batch/Arnold/" + label,
+		IECoreScene.Output(
+			"${project:rootDirectory}/renders/${script:name}/${renderPass}/%s/%s.####.exr" % ( aov, aov ),
+			"exr",
+			data,
+			parameters,
+		)
+	)
+
diff --git a/startup/GafferCycles/outputs.py b/startup/GafferCycles/outputs.py
new file mode 100644
index 00000000000..a023bed192d
--- /dev/null
+++ b/startup/GafferCycles/outputs.py
@@ -0,0 +1,212 @@
+##########################################################################
+#
+#  Copyright (c) 2012, John Haddon. All rights reserved.
+#  Copyright (c) 2025, Image Engine Design Inc. All rights reserved.
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions are
+#  met:
+#
+#      * Redistributions of source code must retain the above
+#        copyright notice, this list of conditions and the following
+#        disclaimer.
+#
+#      * Redistributions in binary form must reproduce the above
+#        copyright notice, this list of conditions and the following
+#        disclaimer in the documentation and/or other materials provided with
+#        the distribution.
+#
+#      * Neither the name of John Haddon nor the names of
+#        any other contributors to this software may be used to endorse or
+#        promote products derived from this software without specific prior
+#        written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+#  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+#  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+#  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+#  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+#  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+#  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+#  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+#  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+##########################################################################
+
+import os
+
+import IECore
+import IECoreScene
+
+import Gaffer
+import GafferScene
+
+import GafferCycles
+
+# Add standard cycles AOVs
+
+if os.environ.get( "CYCLES_ROOT" ) and os.environ.get( "GAFFERCYCLES_HIDE_UI", "" ) != "1" :
+
+	lightPasses = [
+		"emission",
+		"background",
+		"ao",
+		"shadow",
+		"diffuse_direct",
+		"diffuse_indirect",
+		"glossy_direct",
+		"glossy_indirect",
+		"transmission",
+		"transmission_direct",
+		"transmission_indirect",
+		"volume_direct",
+		"volume_indirect",
+		"lightgroup",
+	]
+
+	dataPasses = [
+		"depth",
+		"position",
+		"normal",
+		"roughness",
+		"uv",
+		"object_id",
+		"material_id",
+		"motion",
+		"motion_weight",
+		"render_time",
+		"cryptomatte_asset",
+		"cryptomatte_object",
+		"cryptomatte_material",
+		"aov_color",
+		"aov_value",
+		"adaptive_aux_buffer",
+		"sample_count",
+		"diffuse_color",
+		"glossy_color",
+		"transmission_color",
+		"mist",
+		"denoising_normal",
+		"denoising_albedo",
+
+		"shadow_catcher",
+		"shadow_catcher_sample_count",
+		"shadow_catcher_matte",
+
+		"bake_primitive",
+		"bake_differential",
+	]
+
+	def __registerOutputs( aovs, halfFloat = False, denoise = False ) :
+		for aov in aovs :
+
+			label = aov.replace( "_", " " ).title().replace( " ", "_" )
+
+			data = aov
+
+			interactiveOutput = {
+				"driverType" : "ClientDisplayDriver",
+				"displayHost" : "localhost",
+				"displayPort" : "${image:catalogue:port}",
+				"remoteDisplayType" : "GafferScene::GafferDisplayDriver",
+				"quantize" : IECore.IntVectorData( [ 0, 0, 0, 0 ] ),
+			}
+			batchOutput = {
+				"quantize" : IECore.IntVectorData( [ 0, 0, 0, 0 ] ),
+				"halfFloat" : halfFloat
+			}
+
+			if data == "lightgroup":
+				data = "lg lightgroup"
+				label = "Light_Group"
+
+			if data == "aov_color" :
+				data = "color aov_color"
+
+			if data == "aov_value" :
+				data = "float aov_value"
+
+			if data.startswith( "cryptomatte" ) :
+				data = data.replace( "_", " " )
+
+			GafferScene.Outputs.registerOutput(
+				"Interactive/Cycles/" + label,
+				IECoreScene.Output(
+					aov,
+					"ieDisplay",
+					data,
+					interactiveOutput
+				)
+			)
+
+			GafferScene.Outputs.registerOutput(
+								"Batch/Cycles/" + label,
+				IECoreScene.Output(
+					"${project:rootDirectory}/renders/${script:name}/${renderPass}/%s/%s.####.exr" % ( aov, aov ),
+					"exr",
+					data,
+					batchOutput
+				)
+			)
+
+			if denoise:
+				interactiveOutput["denoise"] = True
+				batchOutput["denoise"] = True
+
+				# Denoised variants
+				GafferScene.Outputs.registerOutput(
+					"Interactive/Cycles/" + label + "_Denoised",
+					IECoreScene.Output(
+						aov + "_denoised",
+						"ieDisplay",
+						data,
+						interactiveOutput
+					)
+				)
+
+				GafferScene.Outputs.registerOutput(
+					"Batch/Cycles/" + label + "_Denoised",
+					IECoreScene.Output(
+						"${project:rootDirectory}/renders/${script:name}/${renderPass}/%s/%s_denoised.####.exr" % ( aov, aov ),
+						"exr",
+						data,
+						batchOutput
+					)
+				)
+
+
+				GafferScene.Outputs.registerOutput(
+					"Interactive/Cycles/Beauty_Denoised",
+					IECoreScene.Output(
+						"beauty_denoised",
+						"ieDisplay",
+						"rgba",
+						{
+							"driverType" : "ClientDisplayDriver",
+							"displayHost" : "localhost",
+							"displayPort" : "${image:catalogue:port}",
+							"remoteDisplayType" : "GafferScene::GafferDisplayDriver",
+							"quantize" : IECore.IntVectorData( [ 0, 0, 0, 0 ] ),
+							"denoise" : True
+						}
+					)
+				)
+
+				GafferScene.Outputs.registerOutput(
+					"Batch/Cycles/Beauty_Denoised",
+					IECoreScene.Output(
+						"${project:rootDirectory}/renders/${script:name}/${renderPass}/beauty/beauty_denoised.####.exr",
+						"exr",
+						"rgba",
+						{
+							"quantize" : IECore.IntVectorData( [ 0, 0, 0, 0 ] ),
+							"denoise" : True,
+							"halfFloat" : True
+						}
+					)
+				)
+
+	__registerOutputs( lightPasses, True )
+	__registerOutputs( dataPasses )
diff --git a/startup/GafferDelight/outputs.py b/startup/GafferDelight/outputs.py
new file mode 100644
index 00000000000..6969116d927
--- /dev/null
+++ b/startup/GafferDelight/outputs.py
@@ -0,0 +1,137 @@
+##########################################################################
+#
+#  Copyright (c) 2012, John Haddon. All rights reserved.
+#  Copyright (c) 2025, Image Engine Design Inc. All rights reserved.
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions are
+#  met:
+#
+#      * Redistributions of source code must retain the above
+#        copyright notice, this list of conditions and the following
+#        disclaimer.
+#
+#      * Redistributions in binary form must reproduce the above
+#        copyright notice, this list of conditions and the following
+#        disclaimer in the documentation and/or other materials provided with
+#        the distribution.
+#
+#      * Neither the name of John Haddon nor the names of
+#        any other contributors to this software may be used to endorse or
+#        promote products derived from this software without specific prior
+#        written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+#  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+#  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+#  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+#  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+#  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+#  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+#  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+#  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+##########################################################################
+
+import os
+
+import IECore
+import IECoreScene
+
+import Gaffer
+import GafferScene
+
+import GafferDelight
+
+# Add standard AOVs as they are defined in the 3Delight shaders
+
+# Should be kept up to date with
+# https://gitlab.com/3Delight/3delight-for-houdini/-/blob/master/ui/aov.cpp
+# See `contrib/scripts/3delightOutputs.py` in this repository for a helper script.
+
+for name, displayName, source, dataType in [
+	( "rgba", "Beauty", "", "" ),
+	( "Ci", "Ci", "shader", "color" ),
+	( "Ci.direct", "Ci (direct)", "shader", "color" ),
+	( "Ci.indirect", "Ci (indirect)", "shader", "color" ),
+	( "diffuse", "Diffuse", "shader", "color" ),
+	( "diffuse.direct", "Diffuse (direct)", "shader", "color" ),
+	( "diffuse.indirect", "Diffuse (indirect)", "shader", "color" ),
+	( "hair", "Hair and Fur", "shader", "color" ),
+	( "subsurface", "Subsurface Scattering", "shader", "color" ),
+	( "reflection", "Reflection", "shader", "color" ),
+	( "reflection.direct", "Reflection (direct)", "shader", "color" ),
+	( "reflection.indirect", "Reflection (indirect)", "shader", "color" ),
+	( "refraction", "Refraction", "shader", "color" ),
+	( "volume", "Volume Scattering", "shader", "color" ),
+	( "volume.direct", "Volume Scattering (direct)", "shader", "color" ),
+	( "volume.indirect", "Volume Scattering (indirect)", "shader", "color" ),
+	( "incandescence", "Incandescence", "shader", "color" ),
+	( "toon_base", "Toon Base", "shader", "color" ),
+	( "toon_diffuse", "Toon Diffuse", "shader", "color" ),
+	( "toon_specular", "Toon Specular", "shader", "color" ),
+	( "toon_matte", "Toon Matte", "shader", "color" ),
+	( "toon_tint", "Toon Tint", "shader", "color" ),
+	( "outlines", "Outlines", "shader", "quad" ),
+	( "albedo", "Albedo", "shader", "color" ),
+	( "z", "Z (depth)", "builtin", "float" ),
+	( "P.camera", "Camera Space Position", "builtin", "point" ),
+	( "N.camera", "Camera Space Normal", "builtin", "point" ),
+	( "P.world", "World Space Position", "builtin", "point" ),
+	( "N.world", "World Space Normal", "builtin", "point" ),
+	( "Pref", "Reference Position", "attribute", "point" ),
+	( "shadow_mask", "Shadow Mask", "shader", "color" ),
+	( "st", "UV", "attribute", "point" ),
+	( "id.geometry", "Geometry Cryptomatte", "builtin", "float" ),
+	( "id.scenepath", "Scene Path Cryptomatte", "builtin", "float" ),
+	( "id.surfaceshader", "Surface Shader Cryptomatte", "builtin", "float" ),
+	( "relighting_multiplier", "Relighting Multiplier", "shader", "color" ),
+	( "relighting_reference", "Relighting Reference", "shader", "color" ),
+	( "motionvector", "Motion Vector", "builtin", "point" ),
+	( "occlusion", "Ambient Occlusion", "shader", "color" ),
+] :
+	if name == "rgba" :
+		space = ""
+		separator = ""
+		slash = ""
+	else :
+		space = " "
+		separator = ":"
+		slash ="/"
+
+	GafferScene.Outputs.registerOutput(
+		"Interactive/3Delight/{}{}{}".format( source.capitalize(), slash, displayName ),
+		IECoreScene.Output(
+			name,
+			"ieDisplay",
+			"{}{}{}{}{}".format( dataType, space, source, separator, name ),
+			{
+				"driverType" : "ClientDisplayDriver",
+				"displayHost" : "localhost",
+				"displayPort" : "${image:catalogue:port}",
+				"remoteDisplayType" : "GafferScene::GafferDisplayDriver",
+				"scalarformat" : "half",
+				"colorprofile" : "linear",
+				"filter" : "blackman-harris",
+				"filterwidth" : 3.0,
+			}
+		)
+	)
+
+	GafferScene.Outputs.registerOutput(
+		"Batch/3Delight/{}{}{}".format( source.capitalize(), slash, displayName ),
+		IECoreScene.Output(
+			"${project:rootDirectory}/renders/${script:name}/${renderPass}/%s/%s.####.exr" % ( name, name ),
+			"exr",
+			"{}{}{}{}{}".format( dataType, space, source, separator, name ),
+			{
+				"scalarformat" : "half",
+				"colorprofile" : "linear",
+				"filter" : "blackman-harris",
+				"filterwidth" : 3.0,
+			}
+		)
+	)
+
diff --git a/startup/GafferRenderMan/outputs.py b/startup/GafferRenderMan/outputs.py
new file mode 100644
index 00000000000..107a3281be2
--- /dev/null
+++ b/startup/GafferRenderMan/outputs.py
@@ -0,0 +1,128 @@
+##########################################################################
+#
+#  Copyright (c) 2012, John Haddon. All rights reserved.
+#  Copyright (c) 2025, Image Engine Design Inc. All rights reserved.
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions are
+#  met:
+#
+#      * Redistributions of source code must retain the above
+#        copyright notice, this list of conditions and the following
+#        disclaimer.
+#
+#      * Redistributions in binary form must reproduce the above
+#        copyright notice, this list of conditions and the following
+#        disclaimer in the documentation and/or other materials provided with
+#        the distribution.
+#
+#      * Neither the name of John Haddon nor the names of
+#        any other contributors to this software may be used to endorse or
+#        promote products derived from this software without specific prior
+#        written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+#  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+#  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+#  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+#  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+#  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+#  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+#  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+#  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+##########################################################################
+
+import os
+
+import IECore
+import IECoreScene
+
+import Gaffer
+import GafferScene
+
+import GafferRenderMan
+
+# Add standard RenderMan outputs.
+
+if os.environ.get( "GAFFERRENDERMAN_HIDE_UI", "" ) != "1" :
+
+	for name, data, accumulationRule in [
+		( "albedo", "lpe nothruput;noinfinitecheck;noclamp;unoccluded;overwrite;C<.S'passthru'>*((U2L)|O)", "filter" ),
+		( "albedo_mse", "lpe nothruput;noinfinitecheck;noclamp;unoccluded;overwrite;C<.S'passthru'>*((U2L)|O)", "mse" ),
+		( "beauty", "rgba", "filter" ),
+		( "matteID0", "color MatteID0", "filter" ),
+		( "matteID1", "color MatteID1", "filter" ),
+		( "matteID2", "color MatteID2", "filter" ),
+		( "matteID3", "color MatteID3", "filter" ),
+		( "matteID4", "color MatteID4", "filter" ),
+		( "matteID5", "color MatteID5", "filter" ),
+		( "matteID6", "color MatteID6", "filter" ),
+		( "matteID7", "color MatteID7", "filter" ),
+		( "mse", "rgb", "mse" ),
+		( "cpuTime", "float cpuTime", "sum" ),
+		( "depth", "float z", "zmin" ),
+		( "emission", "lpe C[<L.>O]", "filter" ),
+		( "diffuse", "lpe C(D[DS]*[LO])|[LO]", "filter" ),
+		( "diffuse_mse", "lpe C(D[DS]*[LO])|[LO]", "mse" ),
+		( "directDiffuse", "lpe C<RD>[<L.>O]", "filter" ),
+		( "directSpecular", "lpe C<RS>[<L.>O]", "filter" ),
+		( "indirectDiffuse", "lpe C<RD>.+[<L.>O]", "filter" ),
+		( "indirectSpecular", "lpe C<RS>.+[<L.>O]", "filter" ),
+		( "normal", "lpe nothruput;noinfinitecheck;noclamp;unoccluded;overwrite;CU6L", "filter" ),
+		( "normal_mse", "lpe nothruput;noinfinitecheck;noclamp;unoccluded;overwrite;CU6L", "mse" ),
+		( "sampleCount", "float sampleCount", "sum" ),
+		( "specular", "lpe CS[DS]*[LO]", "filter" ),
+		( "specular_mse", "lpe CS[DS]*[LO]", "mse" ),
+		( "subsurface", "lpe C<TD>.*[<L.>O]", "filter" ),
+		( "transmission", "lpe C<TS>.*[<L.>O]", "filter" ),
+	] :
+
+		label = IECore.CamelCase.toSpaced( name )
+		parameters = {
+			"ri:accumulationRule" : accumulationRule,
+			"ri:relativePixelVariance" : 0.0,
+		}
+
+		if data == "float z" :
+			parameters["layerName"] = "Z"
+		elif data != "rgba" :
+			parameters["layerName"] = name
+
+		interactiveParameters = parameters.copy()
+		interactiveParameters.update( {
+				"driverType" : "ClientDisplayDriver",
+				"displayHost" : "localhost",
+				"displayPort" : "${image:catalogue:port}",
+				"remoteDisplayType" : "GafferScene::GafferDisplayDriver",
+		} )
+
+		GafferScene.Outputs.registerOutput(
+			"Interactive/RenderMan/" + label,
+			IECoreScene.Output(
+				name,
+				"ieDisplay",
+				data,
+				interactiveParameters
+			)
+		)
+
+		GafferScene.Outputs.registerOutput(
+			"Batch/RenderMan/" + label,
+			IECoreScene.Output(
+				"${project:rootDirectory}/renders/${script:name}/${renderPass}/%s/%s.####.exr" % ( name, name ),
+				"exr",
+				data,
+				parameters,
+			)
+		)
+
+	# Add presets for accumulation rule
+
+	Gaffer.Metadata.registerValue( GafferScene.Outputs, "outputs.*.parameters.ri_accumulationRule.value", "plugValueWidget:type", "GafferUI.PresetsPlugValueWidget" )
+	for rule in [
+		"filter", "average", "min", "max", "zmin", "zmax", "sum", "variance", "mse", "even", "odd"
+	] :
+		Gaffer.Metadata.registerValue( GafferScene.Outputs, "outputs.*.parameters.ri_accumulationRule.value", f"preset:{rule}", rule )
diff --git a/startup/GafferScene/outputs.py b/startup/GafferScene/outputs.py
new file mode 100644
index 00000000000..f04fcb02fbc
--- /dev/null
+++ b/startup/GafferScene/outputs.py
@@ -0,0 +1,141 @@
+##########################################################################
+#
+#  Copyright (c) 2012, John Haddon. All rights reserved.
+#  Copyright (c) 2025, Image Engine Design Inc. All rights reserved.
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions are
+#  met:
+#
+#      * Redistributions of source code must retain the above
+#        copyright notice, this list of conditions and the following
+#        disclaimer.
+#
+#      * Redistributions in binary form must reproduce the above
+#        copyright notice, this list of conditions and the following
+#        disclaimer in the documentation and/or other materials provided with
+#        the distribution.
+#
+#      * Neither the name of John Haddon nor the names of
+#        any other contributors to this software may be used to endorse or
+#        promote products derived from this software without specific prior
+#        written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+#  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+#  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+#  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+#  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+#  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+#  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+#  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+#  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+##########################################################################
+
+import os
+
+import IECore
+import IECoreScene
+
+import Gaffer
+import GafferScene
+
+# Add standard beauty and ID outputs that should be supported by all renderers.
+
+GafferScene.Outputs.registerOutput(
+	"Interactive/Beauty",
+	IECoreScene.Output(
+		"beauty",
+		"ieDisplay",
+		"rgba",
+		{
+			"catalogue:imageName" : "Image",
+			"driverType" : "ClientDisplayDriver",
+			"displayHost" : "localhost",
+			"displayPort" : "${image:catalogue:port}",
+			"remoteDisplayType" : "GafferScene::GafferDisplayDriver",
+			"quantize" : IECore.IntVectorData( [ 0, 0, 0, 0 ] ),
+		}
+	)
+)
+
+GafferScene.Outputs.registerOutput(
+	"Batch/Beauty",
+	IECoreScene.Output(
+		"${project:rootDirectory}/renders/${script:name}/${renderPass}/beauty/beauty.####.exr",
+		"exr",
+		"rgba",
+		{
+			"quantize" : IECore.IntVectorData( [ 0, 0, 0, 0 ] ),
+		}
+	)
+)
+
+GafferScene.Outputs.registerOutput(
+	"Interactive/ID",
+	IECoreScene.Output(
+		"id",
+		"ieDisplay",
+		"float id",
+		{
+			"catalogue:imageName" : "Image",
+			"driverType" : "ClientDisplayDriver",
+			"displayHost" : "localhost",
+			"displayPort" : "${image:catalogue:port}",
+			"remoteDisplayType" : "GafferScene::GafferDisplayDriver",
+			"filter" : "closest",
+			"layerName" : "id",
+			"updateInteractively" : True,
+		}
+	)
+)
+
+GafferScene.Outputs.registerOutput(
+	"Batch/ID",
+	IECoreScene.Output(
+		"${project:rootDirectory}/renders/${script:name}/${renderPass}/id/id.####.exr",
+		"exr",
+		"float id",
+		{
+			"filter" : "closest",
+			"layerName" : "id",
+		}
+	)
+)
+
+GafferScene.Outputs.registerOutput(
+	"Interactive/InstanceID",
+	IECoreScene.Output(
+		"instanceID",
+		"ieDisplay",
+		"float instanceID",
+		{
+			"catalogue:imageName" : "Image",
+			"driverType" : "ClientDisplayDriver",
+			"displayHost" : "localhost",
+			"displayPort" : "${image:catalogue:port}",
+			"remoteDisplayType" : "GafferScene::GafferDisplayDriver",
+			"filter" : "closest",
+			"layerName" : "instanceID",
+			"updateInteractively" : True,
+		}
+	)
+)
+
+GafferScene.Outputs.registerOutput(
+	"Batch/InstanceID",
+	IECoreScene.Output(
+		"${project:rootDirectory}/renders/${script:name}/${renderPass}/instanceID/instanceID.####.exr",
+		"exr",
+		"float instanceID",
+		{
+			"filter" : "closest",
+			"layerName" : "instanceID",
+		}
+	)
+)
+
+Gaffer.Metadata.registerValue( GafferScene.StandardOptions, "options.render:manifestFilePath.value", "userDefault", "${project:rootDirectory}/renders/${script:name}/${renderPass}/renderManifest/renderManifest.####.exr" )
diff --git a/startup/gui/outputs.py b/startup/gui/outputs.py
index 042ce04e8fd..70c3eb29bfe 100644
--- a/startup/gui/outputs.py
+++ b/startup/gui/outputs.py
@@ -43,557 +43,6 @@
 import Gaffer
 import GafferScene
 
-# Add standard beauty and ID outputs that should be supported by all renderers.
-
-GafferScene.Outputs.registerOutput(
-	"Interactive/Beauty",
-	IECoreScene.Output(
-		"beauty",
-		"ieDisplay",
-		"rgba",
-		{
-			"catalogue:imageName" : "Image",
-			"driverType" : "ClientDisplayDriver",
-			"displayHost" : "localhost",
-			"displayPort" : "${image:catalogue:port}",
-			"remoteDisplayType" : "GafferScene::GafferDisplayDriver",
-			"quantize" : IECore.IntVectorData( [ 0, 0, 0, 0 ] ),
-		}
-	)
-)
-
-GafferScene.Outputs.registerOutput(
-	"Batch/Beauty",
-	IECoreScene.Output(
-		"${project:rootDirectory}/renders/${script:name}/${renderPass}/beauty/beauty.####.exr",
-		"exr",
-		"rgba",
-		{
-			"quantize" : IECore.IntVectorData( [ 0, 0, 0, 0 ] ),
-		}
-	)
-)
-
-GafferScene.Outputs.registerOutput(
-	"Interactive/ID",
-	IECoreScene.Output(
-		"id",
-		"ieDisplay",
-		"float id",
-		{
-			"catalogue:imageName" : "Image",
-			"driverType" : "ClientDisplayDriver",
-			"displayHost" : "localhost",
-			"displayPort" : "${image:catalogue:port}",
-			"remoteDisplayType" : "GafferScene::GafferDisplayDriver",
-			"filter" : "closest",
-			"layerName" : "id",
-			"updateInteractively" : True,
-		}
-	)
-)
-
-GafferScene.Outputs.registerOutput(
-	"Batch/ID",
-	IECoreScene.Output(
-		"${project:rootDirectory}/renders/${script:name}/${renderPass}/id/id.####.exr",
-		"exr",
-		"float id",
-		{
-			"filter" : "closest",
-			"layerName" : "id",
-		}
-	)
-)
-
-GafferScene.Outputs.registerOutput(
-	"Interactive/InstanceID",
-	IECoreScene.Output(
-		"instanceID",
-		"ieDisplay",
-		"float instanceID",
-		{
-			"catalogue:imageName" : "Image",
-			"driverType" : "ClientDisplayDriver",
-			"displayHost" : "localhost",
-			"displayPort" : "${image:catalogue:port}",
-			"remoteDisplayType" : "GafferScene::GafferDisplayDriver",
-			"filter" : "closest",
-			"layerName" : "instanceID",
-			"updateInteractively" : True,
-		}
-	)
-)
-
-GafferScene.Outputs.registerOutput(
-	"Batch/InstanceID",
-	IECoreScene.Output(
-		"${project:rootDirectory}/renders/${script:name}/${renderPass}/instanceID/instanceID.####.exr",
-		"exr",
-		"float instanceID",
-		{
-			"filter" : "closest",
-			"layerName" : "instanceID",
-		}
-	)
-)
-
-Gaffer.Metadata.registerValue( GafferScene.StandardOptions, "options.render:manifestFilePath.value", "userDefault", "${project:rootDirectory}/renders/${script:name}/${renderPass}/renderManifest/renderManifest.####.exr" )
-
-# Add standard AOVs as they are defined in the aiStandard and alSurface shaders
-
-with IECore.IgnoredExceptions( ImportError ) :
-
-	# If Arnold isn't available for any reason, this will fail
-	# and we won't add any unnecessary output definitions.
-	import GafferArnold
-
-	for aov in [
-		"beauty",
-		"direct",
-		"indirect",
-		"emission",
-		"background",
-		"diffuse",
-		"specular",
-		"coat",
-		"transmission",
-		"sss",
-		"volume",
-		"albedo",
-		"diffuse_direct",
-		"diffuse_indirect",
-		"diffuse_albedo",
-		"specular_direct",
-		"specular_indirect",
-		"specular_albedo",
-		"coat_direct",
-		"coat_indirect",
-		"coat_albedo",
-		"transmission_direct",
-		"transmission_indirect",
-		"transmission_albedo",
-		"sss_direct",
-		"sss_indirect",
-		"sss_albedo",
-		"volume_direct",
-		"volume_indirect",
-		"volume_albedo",
-		"motionvector",
-		"normal",
-		"depth",
-	] :
-
-		label = aov.replace( "_", " " ).title().replace( " ", "_" )
-		if aov == "beauty":
-			data = "rgba"
-		elif aov == "depth":
-			data = "float Z"
-		elif aov == "normal":
-			data = "color N"
-		else:
-			data = "color " + aov
-
-		if aov == "motionvector" :
-			parameters = {
-				"filter" : "closest"
-			}
-		else :
-			parameters = {}
-
-		if aov == "depth":
-			parameters["layerName"] = "Z"
-
-		if aov not in { "motionvector", "emission", "background" } :
-			parameters["layerPerLightGroup"] = False
-
-		interactiveParameters = parameters.copy()
-		interactiveParameters.update(
-			{
-				"driverType" : "ClientDisplayDriver",
-				"displayHost" : "localhost",
-				"displayPort" : "${image:catalogue:port}",
-				"remoteDisplayType" : "GafferScene::GafferDisplayDriver",
-			}
-		)
-
-		GafferScene.Outputs.registerOutput(
-			"Interactive/Arnold/" + label,
-			IECoreScene.Output(
-				aov,
-				"ieDisplay",
-				data,
-				interactiveParameters
-			)
-		)
-
-		GafferScene.Outputs.registerOutput(
-			"Batch/Arnold/" + label,
-			IECoreScene.Output(
-				"${project:rootDirectory}/renders/${script:name}/${renderPass}/%s/%s.####.exr" % ( aov, aov ),
-				"exr",
-				data,
-				parameters,
-			)
-		)
-
-# Add standard AOVs as they are defined in the 3Delight shaders
-
-with IECore.IgnoredExceptions( ImportError ) :
-
-	# If 3Delight isn't available for any reason, this will fail
-	# and we won't add any unnecessary output definitions.
-	import GafferDelight
-
-	# Should be kept up to date with
-	# https://gitlab.com/3Delight/3delight-for-houdini/-/blob/master/ui/aov.cpp
-	# See `contrib/scripts/3delightOutputs.py` in this repository for a helper script.
-
-	for name, displayName, source, dataType in [
-		( "rgba", "Beauty", "", "" ),
-		( "Ci", "Ci", "shader", "color" ),
-		( "Ci.direct", "Ci (direct)", "shader", "color" ),
-		( "Ci.indirect", "Ci (indirect)", "shader", "color" ),
-		( "diffuse", "Diffuse", "shader", "color" ),
-		( "diffuse.direct", "Diffuse (direct)", "shader", "color" ),
-		( "diffuse.indirect", "Diffuse (indirect)", "shader", "color" ),
-		( "hair", "Hair and Fur", "shader", "color" ),
-		( "subsurface", "Subsurface Scattering", "shader", "color" ),
-		( "reflection", "Reflection", "shader", "color" ),
-		( "reflection.direct", "Reflection (direct)", "shader", "color" ),
-		( "reflection.indirect", "Reflection (indirect)", "shader", "color" ),
-		( "refraction", "Refraction", "shader", "color" ),
-		( "volume", "Volume Scattering", "shader", "color" ),
-		( "volume.direct", "Volume Scattering (direct)", "shader", "color" ),
-		( "volume.indirect", "Volume Scattering (indirect)", "shader", "color" ),
-		( "incandescence", "Incandescence", "shader", "color" ),
-		( "toon_base", "Toon Base", "shader", "color" ),
-		( "toon_diffuse", "Toon Diffuse", "shader", "color" ),
-		( "toon_specular", "Toon Specular", "shader", "color" ),
-		( "toon_matte", "Toon Matte", "shader", "color" ),
-		( "toon_tint", "Toon Tint", "shader", "color" ),
-		( "outlines", "Outlines", "shader", "quad" ),
-		( "albedo", "Albedo", "shader", "color" ),
-		( "z", "Z (depth)", "builtin", "float" ),
-		( "P.camera", "Camera Space Position", "builtin", "point" ),
-		( "N.camera", "Camera Space Normal", "builtin", "point" ),
-		( "P.world", "World Space Position", "builtin", "point" ),
-		( "N.world", "World Space Normal", "builtin", "point" ),
-		( "Pref", "Reference Position", "attribute", "point" ),
-		( "shadow_mask", "Shadow Mask", "shader", "color" ),
-		( "st", "UV", "attribute", "point" ),
-		( "id.geometry", "Geometry Cryptomatte", "builtin", "float" ),
-		( "id.scenepath", "Scene Path Cryptomatte", "builtin", "float" ),
-		( "id.surfaceshader", "Surface Shader Cryptomatte", "builtin", "float" ),
-		( "relighting_multiplier", "Relighting Multiplier", "shader", "color" ),
-		( "relighting_reference", "Relighting Reference", "shader", "color" ),
-		( "motionvector", "Motion Vector", "builtin", "point" ),
-		( "occlusion", "Ambient Occlusion", "shader", "color" ),
-	] :
-		if name == "rgba" :
-			space = ""
-			separator = ""
-			slash = ""
-		else :
-			space = " "
-			separator = ":"
-			slash ="/"
-
-		GafferScene.Outputs.registerOutput(
-			"Interactive/3Delight/{}{}{}".format( source.capitalize(), slash, displayName ),
-			IECoreScene.Output(
-				name,
-				"ieDisplay",
-				"{}{}{}{}{}".format( dataType, space, source, separator, name ),
-				{
-					"driverType" : "ClientDisplayDriver",
-					"displayHost" : "localhost",
-					"displayPort" : "${image:catalogue:port}",
-					"remoteDisplayType" : "GafferScene::GafferDisplayDriver",
-					"scalarformat" : "half",
-					"colorprofile" : "linear",
-					"filter" : "blackman-harris",
-					"filterwidth" : 3.0,
-				}
-			)
-		)
-
-		GafferScene.Outputs.registerOutput(
-			"Batch/3Delight/{}{}{}".format( source.capitalize(), slash, displayName ),
-			IECoreScene.Output(
-				"${project:rootDirectory}/renders/${script:name}/${renderPass}/%s/%s.####.exr" % ( name, name ),
-				"exr",
-				"{}{}{}{}{}".format( dataType, space, source, separator, name ),
-				{
-					"scalarformat" : "half",
-					"colorprofile" : "linear",
-					"filter" : "blackman-harris",
-					"filterwidth" : 3.0,
-				}
-			)
-		)
-
-# Add standard cycles AOVs
-
-if os.environ.get( "CYCLES_ROOT" ) and os.environ.get( "GAFFERCYCLES_HIDE_UI", "" ) != "1" :
-
-	with IECore.IgnoredExceptions( ImportError ) :
-
-		# If cycles isn't available for any reason, this will fail
-		# and we won't add any unnecessary output definitions.
-		import GafferCycles
-
-		lightPasses = [
-			"emission",
-			"background",
-			"ao",
-			"shadow",
-			"diffuse_direct",
-			"diffuse_indirect",
-			"glossy_direct",
-			"glossy_indirect",
-			"transmission",
-			"transmission_direct",
-			"transmission_indirect",
-			"volume_direct",
-			"volume_indirect",
-			"lightgroup",
-		]
-
-		dataPasses = [
-			"depth",
-			"position",
-			"normal",
-			"roughness",
-			"uv",
-			"object_id",
-			"material_id",
-			"motion",
-			"motion_weight",
-			"render_time",
-			"cryptomatte_asset",
-			"cryptomatte_object",
-			"cryptomatte_material",
-			"aov_color",
-			"aov_value",
-			"adaptive_aux_buffer",
-			"sample_count",
-			"diffuse_color",
-			"glossy_color",
-			"transmission_color",
-			"mist",
-			"denoising_normal",
-			"denoising_albedo",
-
-			"shadow_catcher",
-			"shadow_catcher_sample_count",
-			"shadow_catcher_matte",
-
-			"bake_primitive",
-			"bake_differential",
-		]
-
-		def __registerOutputs( aovs, halfFloat = False, denoise = False ) :
-			for aov in aovs :
-
-				label = aov.replace( "_", " " ).title().replace( " ", "_" )
-
-				data = aov
-
-				interactiveOutput = {
-					"driverType" : "ClientDisplayDriver",
-					"displayHost" : "localhost",
-					"displayPort" : "${image:catalogue:port}",
-					"remoteDisplayType" : "GafferScene::GafferDisplayDriver",
-					"quantize" : IECore.IntVectorData( [ 0, 0, 0, 0 ] ),
-				}
-				batchOutput = {
-					"quantize" : IECore.IntVectorData( [ 0, 0, 0, 0 ] ),
-					"halfFloat" : halfFloat
-				}
-
-				if data == "lightgroup":
-					data = "lg lightgroup"
-					label = "Light_Group"
-
-				if data == "aov_color" :
-					data = "color aov_color"
-
-				if data == "aov_value" :
-					data = "float aov_value"
-
-				if data.startswith( "cryptomatte" ) :
-					data = data.replace( "_", " " )
-
-				GafferScene.Outputs.registerOutput(
-					"Interactive/Cycles/" + label,
-					IECoreScene.Output(
-						aov,
-						"ieDisplay",
-						data,
-						interactiveOutput
-					)
-				)
-
-				GafferScene.Outputs.registerOutput(
-									"Batch/Cycles/" + label,
-					IECoreScene.Output(
-						"${project:rootDirectory}/renders/${script:name}/${renderPass}/%s/%s.####.exr" % ( aov, aov ),
-						"exr",
-						data,
-						batchOutput
-					)
-				)
-
-				if denoise:
-					interactiveOutput["denoise"] = True
-					batchOutput["denoise"] = True
-
-					# Denoised variants
-					GafferScene.Outputs.registerOutput(
-						"Interactive/Cycles/" + label + "_Denoised",
-						IECoreScene.Output(
-							aov + "_denoised",
-							"ieDisplay",
-							data,
-							interactiveOutput
-						)
-					)
-
-					GafferScene.Outputs.registerOutput(
-						"Batch/Cycles/" + label + "_Denoised",
-						IECoreScene.Output(
-							"${project:rootDirectory}/renders/${script:name}/${renderPass}/%s/%s_denoised.####.exr" % ( aov, aov ),
-							"exr",
-							data,
-							batchOutput
-						)
-					)
-
-
-					GafferScene.Outputs.registerOutput(
-						"Interactive/Cycles/Beauty_Denoised",
-						IECoreScene.Output(
-							"beauty_denoised",
-							"ieDisplay",
-							"rgba",
-							{
-								"driverType" : "ClientDisplayDriver",
-								"displayHost" : "localhost",
-								"displayPort" : "${image:catalogue:port}",
-								"remoteDisplayType" : "GafferScene::GafferDisplayDriver",
-								"quantize" : IECore.IntVectorData( [ 0, 0, 0, 0 ] ),
-								"denoise" : True
-							}
-						)
-					)
-
-					GafferScene.Outputs.registerOutput(
-						"Batch/Cycles/Beauty_Denoised",
-						IECoreScene.Output(
-							"${project:rootDirectory}/renders/${script:name}/${renderPass}/beauty/beauty_denoised.####.exr",
-							"exr",
-							"rgba",
-							{
-								"quantize" : IECore.IntVectorData( [ 0, 0, 0, 0 ] ),
-								"denoise" : True,
-								"halfFloat" : True
-							}
-						)
-					)
-
-		__registerOutputs( lightPasses, True )
-		__registerOutputs( dataPasses )
-
-
-# Add standard RenderMan outputs.
-
-if os.environ.get( "GAFFERRENDERMAN_HIDE_UI", "" ) != "1" :
-
-	with IECore.IgnoredExceptions( ImportError ) :
-
-		# If RenderMan isn't available for any reason, this will fail
-		# and we won't add any unnecessary output definitions.
-		import GafferRenderMan
-
-		for name, data, accumulationRule in [
-			( "albedo", "lpe nothruput;noinfinitecheck;noclamp;unoccluded;overwrite;C<.S'passthru'>*((U2L)|O)", "filter" ),
-			( "albedo_mse", "lpe nothruput;noinfinitecheck;noclamp;unoccluded;overwrite;C<.S'passthru'>*((U2L)|O)", "mse" ),
-			( "beauty", "rgba", "filter" ),
-			( "matteID0", "color MatteID0", "filter" ),
-			( "matteID1", "color MatteID1", "filter" ),
-			( "matteID2", "color MatteID2", "filter" ),
-			( "matteID3", "color MatteID3", "filter" ),
-			( "matteID4", "color MatteID4", "filter" ),
-			( "matteID5", "color MatteID5", "filter" ),
-			( "matteID6", "color MatteID6", "filter" ),
-			( "matteID7", "color MatteID7", "filter" ),
-			( "mse", "rgb", "mse" ),
-			( "cpuTime", "float cpuTime", "sum" ),
-			( "depth", "float z", "zmin" ),
-			( "emission", "lpe C[<L.>O]", "filter" ),
-			( "diffuse", "lpe C(D[DS]*[LO])|[LO]", "filter" ),
-			( "diffuse_mse", "lpe C(D[DS]*[LO])|[LO]", "mse" ),
-			( "directDiffuse", "lpe C<RD>[<L.>O]", "filter" ),
-			( "directSpecular", "lpe C<RS>[<L.>O]", "filter" ),
-			( "indirectDiffuse", "lpe C<RD>.+[<L.>O]", "filter" ),
-			( "indirectSpecular", "lpe C<RS>.+[<L.>O]", "filter" ),
-			( "normal", "lpe nothruput;noinfinitecheck;noclamp;unoccluded;overwrite;CU6L", "filter" ),
-			( "normal_mse", "lpe nothruput;noinfinitecheck;noclamp;unoccluded;overwrite;CU6L", "mse" ),
-			( "sampleCount", "float sampleCount", "sum" ),
-			( "specular", "lpe CS[DS]*[LO]", "filter" ),
-			( "specular_mse", "lpe CS[DS]*[LO]", "mse" ),
-			( "subsurface", "lpe C<TD>.*[<L.>O]", "filter" ),
-			( "transmission", "lpe C<TS>.*[<L.>O]", "filter" ),
-		] :
-
-			label = IECore.CamelCase.toSpaced( name )
-			parameters = {
-				"ri:accumulationRule" : accumulationRule,
-				"ri:relativePixelVariance" : 0.0,
-			}
-
-			if data == "float z" :
-				parameters["layerName"] = "Z"
-			elif data != "rgba" :
-				parameters["layerName"] = name
-
-			interactiveParameters = parameters.copy()
-			interactiveParameters.update( {
-					"driverType" : "ClientDisplayDriver",
-					"displayHost" : "localhost",
-					"displayPort" : "${image:catalogue:port}",
-					"remoteDisplayType" : "GafferScene::GafferDisplayDriver",
-			} )
-
-			GafferScene.Outputs.registerOutput(
-				"Interactive/RenderMan/" + label,
-				IECoreScene.Output(
-					name,
-					"ieDisplay",
-					data,
-					interactiveParameters
-				)
-			)
-
-			GafferScene.Outputs.registerOutput(
-				"Batch/RenderMan/" + label,
-				IECoreScene.Output(
-					"${project:rootDirectory}/renders/${script:name}/${renderPass}/%s/%s.####.exr" % ( name, name ),
-					"exr",
-					data,
-					parameters,
-				)
-			)
-
-		# Add presets for accumulation rule
-
-		Gaffer.Metadata.registerValue( GafferScene.Outputs, "outputs.*.parameters.ri_accumulationRule.value", "plugValueWidget:type", "GafferUI.PresetsPlugValueWidget" )
-		for rule in [
-			"filter", "average", "min", "max", "zmin", "zmax", "sum", "variance", "mse", "even", "odd"
-		] :
-			Gaffer.Metadata.registerValue( GafferScene.Outputs, "outputs.*.parameters.ri_accumulationRule.value", f"preset:{rule}", rule )
-
 # Publish the Catalogue port number as a context variable, so we can refer
 # to it easily in output definitions.