Last updated on
May 24, 2023
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demos
Module demos provides samples of usage of Pysbs.
demos.demoBakingParameters(aContext, aFileAbsPath='', aDestFileAbsPath='')
Demonstrates the creation and edition of the baking parameters
| Parameters: |
|
|---|---|
| Returns: | Nothing |
Here is the code of function demoBakingParameters:
if aFileAbsPath == '' or aDestFileAbsPath == '':
log.error("Please provide the appropriate arguments: aFileAbsPath and aDestFileAbsPath")
return False
try:
# Parse the .sbs file and provide the object structure of the entire substance
sbsDoc = substance.SBSDocument(aContext, aFileAbsPath)
if sbsDoc.parseDoc():
# Add a new Scene resource to the document
aRelPath = sbsDoc.buildAbsPathFromRelToMePath(aRelPathFromPackage='./Models/m41_low.fbx')
aNewResource = sbsDoc.createLinkedResource(aIdentifier='LowResMesh',
aResourcePath=aRelPath,
aResourceTypeEnum=sbsenum.ResourceTypeEnum.SCENE)
# Create BakingParameters for this resource
aBakingParams = aNewResource.createBakingParameters()
# Add a high poly mesh from a file path
aHighPolyFilePath = sbsDoc.buildAbsPathFromRelToMePath('./Models/m41_high.fbx')
aBakingParams.addHighDefinitionMeshFromFile(aHighPolyFilePath)
# Set default Antialiasing value
aBakingParams.setParameterValue(sbsbakers.ConverterParamEnum.DEFAULT__SUB_SAMPLING, sbsbakers.BakerFromMeshSubSamplingEnum.SUBSAMPLING_4x4)
# Add a Bent Normal From Mesh baker
BN_baker = aBakingParams.addBaker(sbsbakers.BakerEnum.BENT_NORMALS_FROM_MESH)
# Add a Normal Map From Mesh baker
NM_baker = aBakingParams.addBaker(sbsbakers.BakerEnum.NORMAL_MAP_FROM_MESH)
# Set Antialiasing value specifically to NormalMap baker
NM_baker.setParameterValue(aParameter=sbsbakers.ConverterParamEnum.DETAIL__SUB_SAMPLING,
aParamValue=sbsbakers.BakerFromMeshSubSamplingEnum.SUBSAMPLING_2x2)
# Add an Ambient Occlusion baker which uses the resulting map of the Normal Map From Mesh baker
AO_baker = aBakingParams.addBaker(sbsbakers.BakerEnum.AMBIENT_OCCLUSION)
AO_baker.setFileParameterValueFromPreviousBaker(aParameter=sbsbakers.ConverterParamEnum.ADDITIONAL__NORMAL_MAP,
aPreviousBaker=NM_baker)
# Set back the baking parameters into the options of the second resource
aNewResource.setBakingParameters(aBakingParams)
# Write back the document structure into the destination .sbs file
sbsDoc.writeDoc(aNewFileAbsPath = aDestFileAbsPath)
log.info("=> Resulting substance saved at %s" % aDestFileAbsPath)
return True
except BaseException as error:
log.error("!!! [demoBakingParameters] Failed to edit the baking parameters")
raise error
demos.demoBuildSBSFromPainterBitmaps(aContext, aDestFileAbsPath='')
Create a graph with as many Bitmap & Output node as picture files in the Painter folder
| Parameters: |
|
|---|---|
| Returns: | Nothing |
Here is the code of function demoBuildSBSFromPainterBitmaps:
if aDestFileAbsPath == '':
log.error("Please provide the appropriate arguments: aDestFileAbsPath")
return False
xOffset = [150, 0, 0]
yOffset = [0, 150, 0]
initPos = [0,0, 0]
try:
# Create a new SBSDocument from scratch
sbsDoc = sbsgenerator.createSBSDocument(aContext,
aFileAbsPath = aDestFileAbsPath,
aGraphIdentifier = 'PainterFilter',
aParameters = {sbsenum.CompNodeParamEnum.OUTPUT_SIZE:[sbsenum.OutputSizeEnum.SIZE_1024,sbsenum.OutputSizeEnum.SIZE_1024],
sbsenum.CompNodeParamEnum.OUTPUT_FORMAT:sbsenum.OutputFormatEnum.FORMAT_16BITS},
aInheritance = {sbsenum.CompNodeParamEnum.OUTPUT_SIZE:sbsenum.ParamInheritanceEnum.ABSOLUTE,
sbsenum.CompNodeParamEnum.OUTPUT_FORMAT:sbsenum.ParamInheritanceEnum.ABSOLUTE})
aGraph = sbsDoc.getSBSGraph(aGraphIdentifier = 'PainterFilter')
# Retrieve bitmaps
aPathOutputs = sbsDoc.mDirAbsPath + os.path.sep
aListOutputs = glob.glob(aPathOutputs+"*.png")
log.info(len(aListOutputs))
for x in range(0,len(aListOutputs)):
log.info(aListOutputs[x])
# Create a Bitmap node
aBitmapNode = aGraph.createBitmapNode(aSBSDocument = sbsDoc,
aResourcePath = aListOutputs[x],
aGUIPos = [y * x for y in yOffset],
aParameters = {sbsenum.CompNodeParamEnum.COLOR_MODE:True},
aCookedFormat = sbsenum.BitmapFormatEnum.JPG,
aCookedQuality = 1)
aId = aListOutputs[x][aListOutputs[x].rfind(os.path.sep)+1:-4]
# Create a Output color node
aOutputNode = aGraph.createOutputNode(aIdentifier = aId,
aGUIPos = map(sum, zip([y * x for y in yOffset], xOffset)),
aOutputFormat = sbsenum.TextureFormatEnum.DEFAULT_FORMAT,
aAttributes = {sbsenum.AttributesEnum.Description: 'Exported from painter: %s' % aId},
aMipmaps = sbsenum.MipmapEnum.LEVELS_12,
aUsages = {sbsenum.UsageEnum.DIFFUSE: {sbsenum.UsageDataEnum.COMPONENTS:sbsenum.ComponentsEnum.RGBA},
sbsenum.UsageEnum.HEIGHT: {sbsenum.UsageDataEnum.COMPONENTS:sbsenum.ComponentsEnum.R}})
aGraph.connectNodes(aLeftNode = aBitmapNode, aRightNode = aOutputNode,
aRightNodeInput = sbsenum.InputEnum.INPUT_NODE_OUTPUT )
# Update node position
initPos += yOffset
# Write back the document structure into the destination .sbs file
sbsDoc.writeDoc()
log.info("=> Resulting substance saved at %s" % aDestFileAbsPath)
return True
except BaseException as error:
log.error("!!! [demoBuildSBSFromPainterBitmaps] Failed to create the new package")
raise error
demos.demoCreation(aContext, aDestFileAbsPath='')
- Demonstrates all what is possible to create using this API:
-
- A new substance from scratch
- Compositing graph (all filters, instance of graphs, inputs and outputs…)
- Function graph (all functions, instance of functions, …)
- Definition of input parameters for graphs and functions
- Definition of a dynamic parameter
| Parameters: |
|
|---|---|
| Returns: | Nothing |
Here is the code of function demoCreation:
if aDestFileAbsPath == '':
log.error("Please provide the appropriate arguments: aFileAbsPath and aDestFileAbsPath")
return False
try:
# Create a new package
sbsDoc = sbsgenerator.createSBSDocument(aContext, aDestFileAbsPath)
aGraph = sbsDoc.createGraph(aGraphIdentifier = 'MyGraph',
aParameters = {sbsenum.CompNodeParamEnum.OUTPUT_FORMAT:sbsenum.OutputFormatEnum.FORMAT_16BITS},
aInheritance= {sbsenum.CompNodeParamEnum.OUTPUT_FORMAT:sbsenum.ParamInheritanceEnum.ABSOLUTE})
aSubGraph = sbsDoc.createGraph(aGraphIdentifier = 'MySubGraph')
aFunction = sbsDoc.createFunction(aFunctionIdentifier = 'MyFunction')
aResourceGroup = sbsDoc.createGroup( aParentFolder = 'MyResources', aGroupIdentifier = 'Bitmaps' )
startPos = [48, 48, 0]
xOffset = [192, 0, 0]
yOffset = [0, 192, 0]
xyOffset = [192, 96, 0]
# ------------------------------------------------------------------------------------------
# Create the graph 'MySubGraph'
# ------------------------------------------------------------------------------------------
# Create Input parameters for MySubGraph
# - Parameter InputColor(RGBA)
aSubGraph.addInputParameter(aIdentifier = 'InputColor',
aWidget = sbsenum.WidgetEnum.COLOR_FLOAT4,
aDefaultValue = [1,1,1,1],
aLabel = 'Input Color')
# - Parameter Blending(DropDown list)
aParam = aSubGraph.addInputParameter(aIdentifier = 'Blending',
aWidget = sbsenum.WidgetEnum.DROPDOWN_INT1,
aLabel = 'Blending')
aParam.setDropDownList(aValueMap={sbsenum.BlendBlendingModeEnum.MULTIPLY: 'Multiply',
sbsenum.BlendBlendingModeEnum.OVERLAY: 'Overlay',
sbsenum.BlendBlendingModeEnum.SOFT_LIGHT: 'Soft Light'})
aParam.setDefaultValue(sbsenum.BlendBlendingModeEnum.MULTIPLY)
# Create the content of the graph MySubGraph
# - Uniform color filter
aUniformColor = aSubGraph.createCompFilterNode(aFilter = sbsenum.FilterEnum.UNIFORM,
aParameters = {sbsenum.CompNodeParamEnum.COLOR_MODE: sbsenum.ColorModeEnum.COLOR,
sbsenum.CompNodeParamEnum.OUTPUT_COLOR: [0.54,0.063,0,1]},
aGUIPos=startPos)
# - Input node color
aInputNode = aSubGraph.createInputNode(aIdentifier = 'MyInput',
aColorMode = sbsenum.ColorModeEnum.COLOR,
aGUIPos = aUniformColor.getOffsetPosition(yOffset),
aAttributes = {sbsenum.AttributesEnum.Label: 'My Input'},
aUsages = {sbsenum.UsageEnum.BASECOLOR:{sbsenum.UsageDataEnum.COMPONENTS:sbsenum.ComponentsEnum.RGB}})
# - Blend filter
aBlendNode = aSubGraph.createCompFilterNode(aFilter = sbsenum.FilterEnum.BLEND,
aGUIPos = aUniformColor.getOffsetPosition(xyOffset),
aParameters = {sbsenum.CompNodeParamEnum.BLENDING_MODE: sbsenum.BlendBlendingModeEnum.MULTIPLY,
sbsenum.CompNodeParamEnum.OPACITY: 0.67},
aInheritance = {sbsenum.CompNodeParamEnum.OUTPUT_SIZE: sbsenum.ParamInheritanceEnum.PARENT})
# - Output node
aOutputNode = aSubGraph.createOutputNode(aIdentifier = 'MyOutput',
aGUIPos = aBlendNode.getOffsetPosition(xOffset),
aOutputFormat = sbsenum.TextureFormatEnum.DEFAULT_FORMAT,
aAttributes = {sbsenum.AttributesEnum.Description: 'SubGraph Output'},
aUsages = {sbsenum.UsageEnum.BASECOLOR: {sbsenum.UsageDataEnum.COMPONENTS:sbsenum.ComponentsEnum.RGBA}})
# Connect the nodes
aSubGraph.connectNodes(aLeftNode = aInputNode, aRightNode = aBlendNode,
aRightNodeInput = sbsenum.InputEnum.DESTINATION)
aSubGraph.connectNodes(aLeftNode = aUniformColor, aRightNode = aBlendNode,
aRightNodeInput = sbsenum.InputEnum.SOURCE)
aSubGraph.connectNodes(aLeftNode = aBlendNode, aRightNode = aOutputNode,
aRightNodeInput = sbsenum.InputEnum.INPUT_NODE_OUTPUT)
# Define some dynamic parameters, handled by the input parameters defined in SubGraph:
aDynFunction = aUniformColor.setDynamicParameter(sbsenum.CompNodeParamEnum.OUTPUT_COLOR)
aDynFunction.setToInputParam(aParentGraph = aSubGraph, aInputParamIdentifier = 'InputColor')
aDynFunction = aBlendNode.setDynamicParameter(sbsenum.CompNodeParamEnum.BLENDING_MODE)
aDynFunction.setToInputParam(aParentGraph = aSubGraph, aInputParamIdentifier = 'Blending')
# ------------------------------------------------------------------------------------------
# Create the function 'MyFunction'
# ------------------------------------------------------------------------------------------
aFunction.initFunction()
# - Definition of the function input parameter: BlurIntensity
aParamBlur = 'BlurIntensity'
aFunction.addInputParameter(aIdentifier = aParamBlur,
aWidget = sbsenum.WidgetEnum.SLIDER_FLOAT1)
# - Function node Get_Float(BlurIntensity)
aNodeGet = aFunction.createFunctionNode(aFunction = sbsenum.FunctionEnum.GET_FLOAT1,
aParameters = {sbsenum.FunctionEnum.GET_FLOAT1: aParamBlur},
aGUIPos=startPos)
# - Function node Pi (instance included in package sbs://functions.sbs)
aNodePi = aFunction.createFunctionInstanceNodeFromPath(aSBSDocument = sbsDoc,
aPath = 'sbs://functions.sbs/Functions/Math/Pi',
aGUIPos = aNodeGet.getOffsetPosition(yOffset))
# - Function node Mul
aNodeMult = aFunction.createFunctionNode(aFunction = sbsenum.FunctionEnum.MUL,
aGUIPos = aNodeGet.getOffsetPosition(xyOffset))
# Connect the nodes
aFunction.connectNodes(aLeftNode = aNodeGet, aRightNode= aNodeMult, aRightNodeInput = sbsenum.FunctionInputEnum.A)
aFunction.connectNodes(aLeftNode = aNodePi, aRightNode = aNodeMult, aRightNodeInput = sbsenum.FunctionInputEnum.B)
aFunction.setOutputNode(aNodeMult)
# ------------------------------------------------------------------------------------------
# Create the graph 'MyGraph'
# ------------------------------------------------------------------------------------------
# Create Input parameters for MyGraph
aParam = aGraph.addInputParameter(aIdentifier = aParamBlur,
aWidget = sbsenum.WidgetEnum.SLIDER_FLOAT1,
aLabel = 'Blur Intensity')
aParam.setDefaultValue(0.5)
aParam.setMaxValue(3)
# Create the content of MyGraph
# - FxMap Node
aFxMapNode = aGraph.createCompFilterNode(aFilter=sbsenum.FilterEnum.FXMAPS,
aParameters={sbsenum.CompNodeParamEnum.COLOR_MODE: sbsenum.ColorModeEnum.GRAYSCALE,
sbsenum.CompNodeParamEnum.RANDOM_SEED: 5},
aGUIPos=startPos)
# - Creation of the FxMap graph:
aFxMapGraph = aFxMapNode.getFxMapGraph()
# - First Quadrant node (root)
aQuadrant1 = aFxMapGraph.createFxMapNode(aFxMapNode = sbsenum.FxMapNodeEnum.QUADRANT)
aFxMapGraph.setRootNode(aQuadrant1)
# - Second Quadrant node
aQuadrant2 = aFxMapGraph.createFxMapNode(aFxMapNode = sbsenum.FxMapNodeEnum.QUADRANT,
aGUIPos = aQuadrant1.getOffsetPosition(yOffset))
# - Third Quadrant node
aQuadrant3 = aFxMapGraph.createFxMapNode(aFxMapNode = sbsenum.FxMapNodeEnum.QUADRANT,
aGUIPos = aQuadrant2.getOffsetPosition(yOffset),
aParameters = {sbsenum.CompNodeParamEnum.FX_PATTERN_TYPE: sbsenum.FX_PatternType.PYRAMID})
# - Define several functions for the third quadrant node
# => Random luminosity (Float1 between 0 and 1)
aFuncLum = aQuadrant3.setDynamicParameter(sbsenum.CompNodeParamEnum.FX_COLOR_LUM)
aFloatNode = aFuncLum.createFunctionNode(aFunction = sbsenum.FunctionEnum.CONST_FLOAT,
aParameters = {sbsenum.FunctionEnum.CONST_FLOAT: 1})
aRandNode = aFuncLum.createFunctionNode(aFunction = sbsenum.FunctionEnum.RAND,
aGUIPos = aFloatNode.getOffsetPosition(xOffset))
aFuncLum.connectNodes(aLeftNode=aFloatNode, aRightNode=aRandNode)
aFuncLum.setOutputNode(aRandNode)
# => Random pattern rotation (Float1 between 0 and 1)
aFuncRotation = aFuncLum.copy()
aQuadrant3.setParameterValue(sbsenum.CompNodeParamEnum.FX_PATTERN_ROTATION, aFuncRotation)
# => Random pattern offset (Float2 between -1 and 1)
aFuncOffset = aQuadrant3.setDynamicParameter(sbsenum.CompNodeParamEnum.FX_PATTERN_OFFSET)
aRandNode = aFuncOffset.createFunctionInstanceNodeFromPath(aSBSDocument=sbsDoc,
aPath = 'sbs://functions.sbs/Functions/Random/Uniform_[-1,1[')
aRandNode2 = aFuncOffset.createFunctionInstanceNodeFromPath(aSBSDocument=sbsDoc,
aPath = 'sbs://functions.sbs/Functions/Random/Uniform_[-1,1[',
aGUIPos = aRandNode.getOffsetPosition(yOffset))
aVec2Node = aFuncOffset.createFunctionNode(aFunction = sbsenum.FunctionEnum.VECTOR2,
aGUIPos = aRandNode.getOffsetPosition(xyOffset))
aFuncOffset.connectNodes(aLeftNode = aRandNode, aRightNode = aVec2Node,
aRightNodeInput = sbsenum.FunctionInputEnum.COMPONENTS_IN)
aFuncOffset.connectNodes(aLeftNode = aRandNode2, aRightNode = aVec2Node,
aRightNodeInput = sbsenum.FunctionInputEnum.COMPONENTS_LAST)
aFuncOffset.setOutputNode(aVec2Node)
# => Random pattern size (Float2 between 0.5 and 2)
aFuncSize = aQuadrant3.setDynamicParameter(sbsenum.CompNodeParamEnum.FX_PATTERN_SIZE)
aFloatNode1 = aFuncSize.createFunctionNode(aFunction = sbsenum.FunctionEnum.CONST_FLOAT,
aParameters = {sbsenum.FunctionEnum.CONST_FLOAT: 0.5})
aFloatNode2 = aFuncSize.createFunctionNode(aFunction = sbsenum.FunctionEnum.CONST_FLOAT,
aParameters = {sbsenum.FunctionEnum.CONST_FLOAT: 2},
aGUIPos = aFloatNode1.getOffsetPosition(yOffset))
aRandNode = aFuncSize.createFunctionInstanceNodeFromPath(aSBSDocument=sbsDoc,
aPath = 'sbs://functions.sbs/Functions/Random/Uniform_[A,B[',
aGUIPos = aFloatNode1.getOffsetPosition(xyOffset))
aVec2Node = aFuncSize.createFunctionNode(aFunction = sbsenum.FunctionEnum.VECTOR2,
aGUIPos = aRandNode.getOffsetPosition(xOffset))
aFuncSize.connectNodes(aLeftNode = aFloatNode1, aRightNode = aRandNode, aRightNodeInput = 'A')
aFuncSize.connectNodes(aLeftNode = aFloatNode2, aRightNode = aRandNode, aRightNodeInput = 'B')
aFuncSize.connectNodes(aLeftNode = aRandNode, aRightNode = aVec2Node, aRightNodeInput = sbsenum.FunctionInputEnum.COMPONENTS_IN)
aFuncSize.connectNodes(aLeftNode = aRandNode, aRightNode = aVec2Node, aRightNodeInput = sbsenum.FunctionInputEnum.COMPONENTS_LAST)
aFuncSize.setOutputNode(aVec2Node)
# - Fourth and Fifth Quadrant nodes, copies of the third one
aQuadrant4 = aFxMapGraph.duplicateNode(aQuadrant3, aGUIOffset = yOffset)
aQuadrant5 = aFxMapGraph.duplicateNode(aQuadrant4, aGUIOffset = yOffset)
# - Connections of the quadrant nodes
aFxMapGraph.connectNodes(aTopNode = aQuadrant1, aBottomNode = aQuadrant2)
aFxMapGraph.connectNodes(aTopNode = aQuadrant2, aBottomNode = aQuadrant3)
aFxMapGraph.connectNodes(aTopNode = aQuadrant3, aBottomNode = aQuadrant4)
aFxMapGraph.connectNodes(aTopNode = aQuadrant4, aBottomNode = aQuadrant5)
# - Gradient Filter with key values
gradientKeyValues = [sbslibrary.GradientKey(aPosition = 0, aValue = [0,0,0,1]),
sbslibrary.GradientKey(aPosition = 0.330, aValue = [1,1,1,1])]
aGradientNode = aGraph.createGradientMapNode(aGUIPos = aFxMapNode.getOffsetPosition(xOffset),
aKeyValues = gradientKeyValues,
aParameters= {sbsenum.CompNodeParamEnum.GRADIENT_ADDRESSING: sbsenum.GradientAddressingEnum.REPEAT})
# - Instance of graph SubGraph created previously
aInstanceNode = aGraph.createCompInstanceNode(aSBSDocument = sbsDoc,
aGraph = aSubGraph,
aGUIPos = aGradientNode.getOffsetPosition(xOffset))
# - Instance of substance Blur_Hq included in the default package sbs://
aBlurHQNode = aGraph.createCompInstanceNodeFromPath(aSBSDocument= sbsDoc,
aPath = 'sbs://blur_hq.sbs/blur_hq',
aGUIPos = aInstanceNode.getOffsetPosition(xOffset),
aParameters = {'Intensity':2.8})
# - Definition of a dynamic parameter for the Blur_Hq Intensity parameter:
aBlurFunction = aBlurHQNode.setDynamicParameter(aParameter = 'Intensity')
aGetFloatNode = aBlurFunction.createFunctionNode(aFunction = sbsenum.FunctionEnum.GET_FLOAT1,
aParameters = {sbsenum.FunctionEnum.GET_FLOAT1: aParamBlur})
# - Creation of an instance of function MyFunction defined previously:
aFctInstanceNode = aBlurFunction.createFunctionInstanceNode(aSBSDocument = sbsDoc,
aFunction = aFunction,
aGUIPos = aGetFloatNode.getOffsetPosition(xOffset))
# - Connect the nodes
aBlurFunction.connectNodes(aLeftNode = aGetFloatNode, aRightNode = aFctInstanceNode)
aBlurFunction.setOutputNode(aFctInstanceNode)
# - SVG node
aSvgPath = sbsDoc.buildAbsPathFromRelToMePath('Bitmaps/SD_Icon_Color.svg' )
aSVGNode = aGraph.createSvgNode(aSBSDocument = sbsDoc,
aResourcePath = aSvgPath,
aResourceGroup = aResourceGroup,
aGUIPos = aBlurHQNode.getOffsetPosition(xOffset),
aParameters = {sbsenum.CompNodeParamEnum.COLOR_MODE:sbsenum.ColorModeEnum.COLOR,
sbsenum.CompNodeParamEnum.OUTPUT_SIZE:[sbsenum.OutputSizeEnum.SIZE_1024,sbsenum.OutputSizeEnum.SIZE_1024],
sbsenum.CompNodeParamEnum.TILING_MODE:sbsenum.TilingEnum.NO_TILING},
aInheritance = {sbsenum.CompNodeParamEnum.OUTPUT_SIZE:sbsenum.ParamInheritanceEnum.ABSOLUTE,
sbsenum.CompNodeParamEnum.TILING_MODE:sbsenum.ParamInheritanceEnum.INPUT},
aCookedQuality = 0.5)
# - Output node
aOutputNode = aGraph.createOutputNode(aIdentifier = 'MainOutput',
aGUIPos = aSVGNode.getOffsetPosition(xOffset),
aOutputFormat = sbsenum.TextureFormatEnum.DEFAULT_FORMAT,
aAttributes = {sbsenum.AttributesEnum.Description: 'Main Output'},
aMipmaps = sbsenum.MipmapEnum.LEVELS_12,
aUsages = {sbsenum.UsageEnum.BASECOLOR: {sbsenum.UsageDataEnum.COMPONENTS:sbsenum.ComponentsEnum.RGBA}})
# Connect the nodes
aGraph.connectNodes(aLeftNode = aFxMapNode, aRightNode = aGradientNode)
aGraph.connectNodes(aLeftNode = aGradientNode, aRightNode = aInstanceNode, aRightNodeInput = 'MyInput')
aGraph.connectNodes(aLeftNode = aInstanceNode, aRightNode = aBlurHQNode)
aGraph.connectNodes(aLeftNode = aBlurHQNode, aRightNode = aSVGNode)
aGraph.connectNodes(aLeftNode = aSVGNode, aRightNode = aOutputNode)
# Tweak parameters
aInstanceNode.getParameterValue('InputColor')
aInstanceNode.setParameterValue('InputColor', [1, 0, 0, 1])
aInstanceNode.setParameterValue('Blending', sbsenum.BlendBlendingModeEnum.OVERLAY)
# Set graph attributes and icon
aGraph.setAttribute(aAttributeIdentifier = sbsenum.AttributesEnum.Author, aAttributeValue = 'Substance Designer API')
aGraph.setIcon(aIconAbsPath = sbsDoc.buildAbsPathFromRelToMePath('Bitmaps/graphIcon.jpg'))
# Write the document structure into the destination .sbs file
sbsDoc.writeDoc()
log.info("=> Resulting substance saved at %s" % aDestFileAbsPath)
return True
except BaseException as error:
log.error("!!! [demoCreation] Failed to create the new package")
raise error
demos.demoCreationMDL(aContext, aDestFileAbsPath='')
- Demonstrates the MDL graph creation using this API:
-
- MDL Graph
- MDL Nodes of any kind (constants, native mdl nodes, mdl graph instances, …)
- Declaring the input of the graph
- Setting parameters and annotations
- Create resources dedicated to MDL graphs (light profile or bsdf measurement)
| Parameters: |
|
|---|---|
| Returns: | Nothing |
Here is the code of function demoCreationMDL:
if aDestFileAbsPath == '':
log.error("Please provide the appropriate arguments: aFileAbsPath and aDestFileAbsPath")
return False
try:
startPos = [48, 48, 0]
xOffset = [192, 0, 0]
yOffset = [0, 192, 0]
xyOffset = [192, 96, 0]
# Create a new package and a MDL graph
sbsDoc = sbsgenerator.createSBSDocument(aContext, aDestFileAbsPath)
mdlGraph = sbsDoc.createMDLGraph(aGraphIdentifier='DemoMDLGraph', aCreateOutputNode=True)
# Create a new Substance graph, which will be used in the MDL graph
sbsGraph = sbsDoc.createGraph(aGraphIdentifier='SBSGraph')
aNode = sbsGraph.createCompFilterNode(aFilter=sbsenum.FilterEnum.UNIFORM,
aParameters={sbsenum.CompNodeParamEnum.OUTPUT_COLOR:[0,0,1,1]},
aGUIPos=startPos)
aOutput = sbsGraph.createOutputNode(aIdentifier='Output',
aGUIPos=aNode.getOffsetPosition(xOffset))
sbsGraph.connectNodes(aLeftNode=aNode, aRightNode=aOutput)
# Create the microfacet ggx branch
inputRoughness = mdlGraph.createMDLNodeConst(aName='roughness', aConstTypePath='mdl::float', aExposed=True,
aValue=0.5,
aAnnotations={mdl.mdlenum.MDLAnnotationEnum.DISPLAY_NAME:'Roughness',
mdl.mdlenum.MDLAnnotationEnum.GAMMA_TYPE:1,
mdl.mdlenum.MDLAnnotationEnum.SAMPLER_USAGE:'roughness',
mdl.mdlenum.MDLAnnotationEnum.HARD_RANGE:[0,1]},
aGUIPos=startPos)
sbsInstance = mdlGraph.createMDLNodeSBSGraphInstance(aSBSDocument=sbsDoc,
aGraph=sbsGraph,
aGUIPos=inputRoughness.getOffsetPosition(yOffset))
mulNode = mdlGraph.createMDLNodeInstance(aPath='mdl::operator*(float,float)',
aGUIPos=inputRoughness.getOffsetPosition(xOffset))
ggxNode = mdlGraph.createMDLNodeInstance(aPath='mdl::df::microfacet_ggx_smith_bsdf$1.5(float,float,color,float3,::df::scatter_mode,string)',
aGUIPos=mulNode.getOffsetPosition(xyOffset))
mdlGraph.connectNodes(aLeftNode=inputRoughness, aRightNode=mulNode, aRightNodeInput='x')
mdlGraph.connectNodes(aLeftNode=inputRoughness, aRightNode=mulNode, aRightNodeInput='y')
mdlGraph.connectNodes(aLeftNode=mulNode, aRightNode=ggxNode, aRightNodeInput='roughness_u')
mdlGraph.connectNodes(aLeftNode=mulNode, aRightNode=ggxNode, aRightNodeInput='roughness_v')
mdlGraph.connectNodes(aLeftNode=sbsInstance, aRightNode=ggxNode, aRightNodeInput='tint')
# Create a new light profile resource
aPath = sbsDoc.buildAbsPathFromRelToMePath('Bitmaps/Comet.IES')
aRes = sbsDoc.createLinkedResource(aResourcePath=aPath,aResourceTypeEnum=sbsenum.ResourceTypeEnum.LIGHT_PROFILE)
# Create a IES profile node that uses this resource and generate a 'material_emission'
iesNode = mdlGraph.createMDLNodeInstance(aPath='mdl::light_profile(string)',
aGUIPos=sbsInstance.getOffsetPosition(yOffset))
iesNode.setParameterValue(aParameter='name', aParamValue=aRes.getPkgResourcePath())
edfNode = mdlGraph.createMDLNodeInstance(aPath='mdl::df::measured_edf(light_profile,float,bool,float3x3,float3,string)',
aParameters={'multiplier':0.01},
aGUIPos=iesNode.getOffsetPosition(xOffset))
matEmissionNode = mdlGraph.createMDLNodeInstance(aPath='mdl::material_emission(edf,color,intensity_mode)',
aParameters={'intensity':[0.000619,0.000387,0.000077]},
aGUIPos=edfNode.getOffsetPosition(xOffset))
mdlGraph.connectNodes(aLeftNode=iesNode, aRightNode=edfNode)
mdlGraph.connectNodes(aLeftNode=edfNode, aRightNode=matEmissionNode)
# Handle the material_geometry
stateNormal = mdlGraph.createMDLNodeInstance(aPath='mdl::state::normal()',
aGUIPos=iesNode.getOffsetPosition(yOffset))
inputNormal = mdlGraph.createMDLNodeConst(aName='normal', aConstTypePath='mdl::float3', aExposed=True,
aAnnotations={mdl.mdlenum.MDLAnnotationEnum.DISPLAY_NAME:'Normal',
mdl.mdlenum.MDLAnnotationEnum.GAMMA_TYPE:1,
mdl.mdlenum.MDLAnnotationEnum.SAMPLER_USAGE:'normal'},
aGUIPos=stateNormal.getOffsetPosition(xOffset))
matGeometryNode = mdlGraph.createMDLNodeInstance(aPath='mdl::material_geometry(float3,float,float3)',
aGUIPos=inputNormal.getOffsetPosition(xOffset))
mdlGraph.connectNodes(aLeftNode=stateNormal, aRightNode=inputNormal)
mdlGraph.connectNodes(aLeftNode=inputNormal, aRightNode=matGeometryNode, aRightNodeInput='normal')
# Create the material_surface
matSurfaceNode = mdlGraph.createMDLNodeInstance(aPath='mdl::material_surface(bsdf,material_emission)',
aGUIPos=ggxNode.getOffsetPosition(xyOffset))
matSurfaceNode.setPinVisibilityForParameter(aParameter='emission', aVisible=True)
mdlGraph.connectNodes(aLeftNode=ggxNode, aRightNode=matSurfaceNode)
mdlGraph.connectNodes(aLeftNode=matEmissionNode, aRightNode=matSurfaceNode)
# Get the output node
outputNode = mdlGraph.getGraphOutput()
outputNode.setPosition(matSurfaceNode.getOffsetPosition(xyOffset))
mdlGraph.connectNodes(aLeftNode=matSurfaceNode, aRightNode=outputNode)
mdlGraph.connectNodes(aLeftNode=matGeometryNode, aRightNode=outputNode)
# Write back the document structure into the destination .sbs file
sbsDoc.writeDoc(aNewFileAbsPath=aDestFileAbsPath)
del sbsDoc
log.info("=> Resulting substance saved at %s" % aDestFileAbsPath)
return True
except BaseException as error:
log.error("!!! [demoCreationMDL] Failed to modify package")
raise error
demos.demoExportWithDependencies(aContext, aFileAbsPath='', aDestFolderAbsPath='')
Export the given package into the given destination folder
| Parameters: |
|
|---|---|
| Returns: | Nothing |
Here is the code of function demoExportWithDependencies:
if aFileAbsPath == '' or aDestFolderAbsPath == '':
log.error("Please provide the appropriate arguments: aFileAbsPath and aDestFolderAbsPath")
return False
try:
python_helpers.createFolderIfNotExists(aDestFolderAbsPath)
# Parse the document to export
sbsDoc = substance.SBSDocument(aContext, aFileAbsPath)
sbsDoc.parseDoc()
# Create an exporter
aExporter = sbsexporter.SBSExporter()
# Export the package into an archived self-contained package, in the folder aDestFolderAbsPath
# The resources and dependencies of this package will be included in the archive, including the ones referred by the alias sbs://
aResultingArchive = aExporter.export(aSBSDocument = sbsDoc, aExportFolder = aDestFolderAbsPath,
aBuildArchive = True, aAliasesToExport = ['sbs'])
log.info("=> Archive created at %s" % aResultingArchive)
# Same as before, without archiving the resulting folder
aResultingPath = aExporter.export(aSBSDocument = sbsDoc, aExportFolder = aDestFolderAbsPath,
aAliasesToExport = ['sbs'])
log.info("=> Substance exported with its dependencies at %s" % aResultingPath)
return True
except BaseException as error:
log.error("!!! [demoExportWithDependencies] Failed to export the package")
raise error
demos.demoIteration(aContext, aFileAbsPath='', aDestFileAbsPath='')
Demonstrates the iteration creation of a single node and of a complete pattern.
| Parameters: |
|
|---|---|
| Returns: | Nothing |
Here is the code of function demoIteration:
if aFileAbsPath == '' or aDestFileAbsPath == '':
log.error("Please provide the appropriate arguments: aFileAbsPath and aDestFileAbsPath")
return False
try:
# Parse the .sbs file and provide the object structure of the entire substance
sbsDoc = substance.SBSDocument(aContext, aFileAbsPath)
sbsDoc.parseDoc()
# Duplicate 5 times a single node
aGraph = sbsDoc.getSBSGraph(aGraphIdentifier = 'DemoIterationSubGraph')
aGraph.createIterationOnNode(aNbIteration = 5,
aNodeUID = '1255032103')
# Duplicate 3 times the node (test the automatic detection of compatible inputs / outputs)
aGraph = sbsDoc.getSBSGraph(aGraphIdentifier = 'DemoIterationSubGraphDouble')
aGraph.createIterationOnNode(aNbIteration = 3,
aNodeUID = '1255523774')
# Duplicate 3 times the pattern of nodes (test the automatic detection of compatible inputs / outputs)
aGraph = sbsDoc.getSBSGraph(aGraphIdentifier='DemoIterationPattern')
aGraph.createIterationOnPattern(aNbIteration=3,
aNodeUIDs=['1255034408', '1255026224', '1255029181', '1255029884',
'1255029987', '1255029994', '1255029049'])
# Duplicate 3 times the pattern of nodes, specifying way to connect two successive patterns
aGraph = sbsDoc.getSBSGraph(aGraphIdentifier = 'DemoIterationVerticalPattern')
aGraph.createIterationOnPattern(aNbIteration = 3,
aNodeUIDs = ['1262168894', '1262168896'],
aNodeUIDs_NextPattern = ['1262169024', '1262168960'],
aGUIOffset = [0, 120])
# Write back the document structure into the destination .sbs file
sbsDoc.writeDoc(aNewFileAbsPath = aDestFileAbsPath)
del sbsDoc
log.info("=> Resulting substance saved at %s" % aDestFileAbsPath)
return True
except BaseException as error:
log.error("!!! [demoIteration] Failed to modify package")
raise error
demos.demoIterationFlame(aContext, aFileAbsPath='', aDestFileAbsPath='')
Demonstrates the iteration creation of a pattern inside a Function
| Parameters: |
|
|---|---|
| Returns: | Nothing |
Here is the code of function demoIterationFlame:
if aFileAbsPath == '' or aDestFileAbsPath == '':
log.error("Please provide the appropriate arguments: aFileAbsPath and aDestFileAbsPath")
return False
try:
# Parse the .sbs file and provide the object structure of the entire substance
sbsDoc = substance.SBSDocument(aContext, aFileAbsPath)
sbsDoc.parseDoc()
# Duplicate 63 times the pattern inside function RayMarch
aFunction = sbsDoc.getSBSFunction(aFunctionIdentifier= 'RayMarch')
createdNodes = aFunction.createIterationOnPattern(aNbIteration = 63,
aGUIOffset = [0, 200],
aNodeUIDs = ['1262101431', '1262101516'],
aNodeUIDs_NextPattern = ['1262101533', '1262101527'])
# Connect the last created node with the end of the function
aEndNode = aFunction.getNode('1262095290')
aFunction.connectNodes(aLeftNode = createdNodes[-1], aRightNode = aEndNode,
aRightNodeInput = sbsenum.FunctionInputEnum.SEQUENCE_IN)
# Write back the document structure into the destination .sbs file
sbsDoc.writeDoc(aNewFileAbsPath = aDestFileAbsPath)
log.info("=> Resulting substance saved at %s" % aDestFileAbsPath)
return True
except BaseException as error:
log.error("!!! [demoIterationFlame] Failed to create the iterations")
raise error
demos.demoIterationPixProc(aContext, aFileAbsPath='', aDestFileAbsPath='')
Demonstrates the iteration inside a pixel processor.
| Parameters: |
|
|---|---|
| Returns: | Nothing |
Here is the code of function demoIterationPixProc:
if aFileAbsPath == '' or aDestFileAbsPath == '':
log.error("Please provide the appropriate arguments: aFileAbsPath and aDestFileAbsPath")
pass
try:
# Parse the .sbs file and provide the object structure of the entire substance
sbsDoc = substance.SBSDocument(aContext, aFileAbsPath)
sbsDoc.parseDoc()
# Get the graph 'TerrainMultiFractal'
aGraph = sbsDoc.getSBSGraph(aGraphIdentifier = 'TerrainMultiFractal')
# Get the pixel processor node where the iteration will be created, and its dynamic function
aPixProcNode = aGraph.getNode('1260898088')
aDynFct = aPixProcNode.getPixProcFunction()
# Duplicate 10 times the pattern, indicating the way to reconnect to the next pattern
createdNodes = aDynFct.createIterationOnPattern(aNbIteration = 10,
aGUIOffset = [0, 200],
aNodeUIDs = ['1263052178', '1263052114' ],
aNodeUIDs_NextPattern = ['1263052279', '1263052278'])
# Connect the last node of the iteration to the end part of the pixel processor function
aDynFct.connectNodes(aLeftNode=createdNodes[-1], aRightNode='1257621570')
aDynFct.connectNodes(aLeftNode=createdNodes[-1], aRightNode='1257624564')
# Write back the document structure into the destination .sbs file
sbsDoc.writeDoc(aNewFileAbsPath = aDestFileAbsPath)
del sbsDoc
log.info("=> Resulting substance saved at %s" % aDestFileAbsPath)
return True
except BaseException as error:
log.error("!!! [demoIteration] Failed to modify package")
raise error
demos.demoMassiveModification(aContext, aFileAbsPath='', aDestFileAbsPath='')
Demonstrates the massive modification of a Substance. In this sample, a substance containing 3 graph with lots of Input nodes will be modified so that all Graphs and Input nodes pixel format are set to 16 bits per channel, without inheritance from parent.
| Parameters: |
|
|---|---|
| Returns: | Nothing |
Here is the code of function demoMassiveModification:
if aFileAbsPath == '' or aDestFileAbsPath == '':
log.error("Please provide the appropriate arguments: aFileAbsPath and aDestFileAbsPath")
return False
try:
# Parse the .sbs file and provide the object structure of the entire substance
sbsDoc = substance.SBSDocument(aContext, aFileAbsPath)
sbsDoc.parseDoc()
# Parse all graphs
for aGraph in sbsDoc.getSBSGraphList():
# Set pixel format and output size of the graph
aGraph.setBaseParameterValue(aParameter = sbsenum.CompNodeParamEnum.OUTPUT_FORMAT,
aParamValue = sbsenum.OutputFormatEnum.FORMAT_16BITS,
aRelativeTo = sbsenum.ParamInheritanceEnum.ABSOLUTE)
aGraph.setBaseParameterValue(aParameter = sbsenum.CompNodeParamEnum.OUTPUT_SIZE,
aParamValue = [sbsenum.OutputSizeEnum.SIZE_1024,sbsenum.OutputSizeEnum.SIZE_1024],
aRelativeTo = sbsenum.ParamInheritanceEnum.ABSOLUTE)
# Set pixel format for all input nodes
inputNodes = aGraph.getAllInputNodes()
for inputNode in inputNodes:
inputNode.setParameterValue(aParameter = sbsenum.CompNodeParamEnum.OUTPUT_FORMAT,
aParamValue = sbsenum.OutputFormatEnum.FORMAT_16BITS,
aRelativeTo = sbsenum.ParamInheritanceEnum.ABSOLUTE)
# Write back the document structure into the destination .sbs file
sbsDoc.writeDoc(aNewFileAbsPath = aDestFileAbsPath)
del sbsDoc
log.info("=> Resulting substance saved at %s" % aDestFileAbsPath)
return True
except BaseException as error:
log.error("!!! [demoMassiveModification] Failed to modify package")
raise error
demos.demoReadWriteSBS(aContext, aFileAbsPath='', aDestFileAbsPath='')
Allow to validate the deserialization and serialization of a .sbs without doing any modification on it.
| Parameters: |
|
|---|---|
| Returns: | Nothing |
Here is the code of function demoReadWriteSBS:
if aFileAbsPath == '' or aDestFileAbsPath == '':
log.error("Please provide the appropriate arguments: aFileAbsPath and aDestFileAbsPath")
return False
try:
# Parse document
sbsDoc = substance.SBSDocument(aContext, aFileAbsPath)
sbsDoc.parseDoc()
# Display its dependencies and resources
log.info("Dependencies: ")
for s in sbsDoc.getSBSDependencyList():
log.info(s.mFileAbsPath)
log.info("nResources: ")
for s in sbsDoc.getSBSResourceList():
log.info(s.getResolvedFilePath())
log.info(s.mFileAbsPath)
# Write the document
sbsDoc.writeDoc(aNewFileAbsPath = aDestFileAbsPath)
log.info("n=> Resulting substance saved at %s" % aDestFileAbsPath)
return True
except BaseException as error:
log.error("!!! [demoHelloWorld] Failed to create the new package")
raise error
