OCC.Core.STEPConstruct module¶

STEPConstruct module, see official documentation at https://www.opencascade.com/doc/occt-7.4.0/refman/html/package_stepconstruct.html

class STEPConstruct_AP203Context(*args)¶

Bases: object

Creates tool and fills constant fields

rtype

None

Clear()¶

Clears all fields describing entities specific to each part

rtype

None

DefaultApproval()¶

Returns default approval entity which is used when no other data are available

rtype

opencascade::handle<StepBasic_Approval>

DefaultDateAndTime()¶

Returns default date_and_time entity which is used when no other data are available

rtype

opencascade::handle<StepBasic_DateAndTime>

DefaultPersonAndOrganization()¶

Returns default person_and_organization entity which is used when no other data are available

rtype

opencascade::handle<StepBasic_PersonAndOrganization>

DefaultSecurityClassificationLevel()¶

Returns default security_classification_level entity which is used when no other data are available

rtype

opencascade::handle<StepBasic_SecurityClassificationLevel>

GetApproval()¶

Return type: opencascade::handle<StepAP203_CcDesignApproval>

GetApprovalDateTime()¶

Return type: opencascade::handle<StepBasic_ApprovalDateTime>

GetApprover()¶

Return type: opencascade::handle<StepBasic_ApprovalPersonOrganization>

GetClassificationDate()¶

Return type: opencascade::handle<StepAP203_CcDesignDateAndTimeAssignment>

GetClassificationOfficer()¶

Return type: opencascade::handle<StepAP203_CcDesignPersonAndOrganizationAssignment>

GetCreationDate()¶

Return type: opencascade::handle<StepAP203_CcDesignDateAndTimeAssignment>

GetCreator()¶

Return type: opencascade::handle<StepAP203_CcDesignPersonAndOrganizationAssignment>

GetDesignOwner()¶

Return type: opencascade::handle<StepAP203_CcDesignPersonAndOrganizationAssignment>

GetDesignSupplier()¶

Return type: opencascade::handle<StepAP203_CcDesignPersonAndOrganizationAssignment>

GetProductCategoryRelationship()¶

Return entities (roots) instantiated for the part by method Init

rtype

opencascade::handle<StepBasic_ProductCategoryRelationship>

GetSecurity()¶

Return type: opencascade::handle<StepAP203_CcDesignSecurityClassification>

Init()¶

Takes SDR (part) which brings all standard data around part (common for AP203 and AP214) and creates all the additional entities required for AP203

param sdr

type sdr

opencascade::handle<StepShape_ShapeDefinitionRepresentation> &

rtype

None* Takes tool which describes standard data around part (common for AP203 and AP214) and creates all the additional entities required for AP203 //! The created entities can be obtained by calls to methods GetCreator(), GetDesignOwner(), GetDesignSupplier(), GetClassificationOfficer(), GetSecurity(), GetCreationDate(), GetClassificationDate(), GetApproval(), GetApprover(), GetApprovalDateTime(), GetProductCategoryRelationship()

param SDRTool

type SDRTool

STEPConstruct_Part &

rtype

None* Takes NAUO which describes assembly link to component and creates the security_classification entity associated to it as required by the AP203 //! Instantiated (or existing previously) entities concerned can be obtained by calls to methods GetClassificationOfficer(), GetSecurity(), GetClassificationDate(), GetApproval(), GetApprover(), GetApprovalDateTime() Takes tool which describes standard data around part (common for AP203 and AP214) and takes from model (or creates if missing) all the additional entities required by AP203

param nauo

type nauo

opencascade::handle<StepRepr_NextAssemblyUsageOccurrence> &

rtype

None

InitApprovalRequisites()¶

Initializes Approver and ApprovalDateTime entities according to Approval entity

rtype

None

InitAssembly()¶

Initializes all missing data which are required for assembly

param nauo

type nauo

opencascade::handle<StepRepr_NextAssemblyUsageOccurrence> &

rtype

None

InitRoles()¶

Initializes constant fields (shared entities)

rtype

None

InitSecurityRequisites()¶

Initializes ClassificationOfficer and ClassificationDate entities according to Security entity

rtype

None

RoleApprover()¶

Return predefined PersonAndOrganizationRole and DateTimeRole entities named ‘creator’, ‘design owner’, ‘design supplier’, ‘classification officer’, ‘creation date’, ‘classification date’, ‘approver’

rtype

opencascade::handle<StepBasic_ApprovalRole>

RoleClassificationDate()¶

Return type: opencascade::handle<StepBasic_DateTimeRole>

RoleClassificationOfficer()¶

Return type: opencascade::handle<StepBasic_PersonAndOrganizationRole>

RoleCreationDate()¶

Return type: opencascade::handle<StepBasic_DateTimeRole>

RoleCreator()¶

Return type: opencascade::handle<StepBasic_PersonAndOrganizationRole>

RoleDesignOwner()¶

Return type: opencascade::handle<StepBasic_PersonAndOrganizationRole>

RoleDesignSupplier()¶

Return type: opencascade::handle<StepBasic_PersonAndOrganizationRole>

SetDefaultApproval()¶

Sets default approval

param app

type app

opencascade::handle<StepBasic_Approval> &

rtype

None

SetDefaultDateAndTime()¶

Sets default date_and_time entity

param dt

type dt

opencascade::handle<StepBasic_DateAndTime> &

rtype

None

SetDefaultPersonAndOrganization()¶

Sets default person_and_organization entity

param po

type po

opencascade::handle<StepBasic_PersonAndOrganization> &

rtype

None

SetDefaultSecurityClassificationLevel()¶

Sets default security_classification_level

param sc

type sc

opencascade::handle<StepBasic_SecurityClassificationLevel> &

rtype

None

property thisown¶: The membership flag

class STEPConstruct_Assembly(*args)¶

Bases: object

Return type: None

static CheckSRRReversesNAUO()¶

Checks whether SRR’s definition of assembly and component contradicts with NAUO definition or not, according to model schema (AP214 or AP203)

param theGraph

type theGraph

Interface_Graph &

param CDSR

type CDSR

opencascade::handle<StepShape_ContextDependentShapeRepresentation> &

rtype

bool

GetNAUO()¶

Returns NAUO object describing the assembly link

rtype

opencascade::handle<StepRepr_NextAssemblyUsageOccurrence>

Init()¶

Initialises with starting values Ax0origin axis (typically, standard XYZ) Loclocation to which place the item Makes a MappedItem Resulting Value is returned by ItemValue

param aSR

type aSR

opencascade::handle<StepShape_ShapeDefinitionRepresentation> &

param SDR0

type SDR0

opencascade::handle<StepShape_ShapeDefinitionRepresentation> &

param Ax0

type Ax0

opencascade::handle<StepGeom_Axis2Placement3d> &

param Loc

type Loc

opencascade::handle<StepGeom_Axis2Placement3d> &

rtype

None

ItemLocation()¶

Returns the location of the item, computed from starting aLoc

rtype

opencascade::handle<StepGeom_Axis2Placement3d>

ItemValue()¶

Returns the Value If no Make… has been called, returns the starting SR

rtype

opencascade::handle<Standard_Transient>

MakeRelationship()¶

Make a (ShapeRepresentationRelationship,…WithTransformation) Resulting Value is returned by ItemValue

rtype

None

property thisown¶: The membership flag

class STEPConstruct_ContextTool(*args)¶

Bases: object

Return type: None:param aStepModel: :type aStepModel: opencascade::handle<StepData_StepModel> & :rtype: None

AP203Context()¶

Returns tool which maintains context specific for AP203

rtype

STEPConstruct_AP203Context

AddAPD()¶

Parameters: enforce – default value is Standard_False :type enforce: bool :rtype: None

GetACname()¶

Return type: opencascade::handle<TCollection_HAsciiString>

GetACschemaName()¶

Return type: opencascade::handle<TCollection_HAsciiString>

GetACstatus()¶

Return type: opencascade::handle<TCollection_HAsciiString>

GetACyear()¶

Return type: int

GetAPD()¶

Return type: opencascade::handle<StepBasic_ApplicationProtocolDefinition>

GetDefaultAxis()¶

Returns a default axis placement

rtype

opencascade::handle<StepGeom_Axis2Placement3d>

GetProductName()¶

Generates a product name basing on write.step.product.name parameter and current position in the assembly structure

rtype

opencascade::handle<TCollection_HAsciiString>

GetRootsForAssemblyLink()¶

Produces and returns a full list of root entities required for assembly link identified by assembly (including NAUO and CDSR)

param assembly

type assembly

STEPConstruct_Assembly &

rtype

opencascade::handle<TColStd_HSequenceOfTransient>

GetRootsForPart()¶

Produces and returns a full list of root entities required for part identified by SDRTool (including SDR itself)

param SDRTool

type SDRTool

STEPConstruct_Part &

rtype

opencascade::handle<TColStd_HSequenceOfTransient>

Index()¶

Returns current index of assembly component on current level

rtype

int

IsAP203()¶

Returns True if APD.schema_name is config_control_design

rtype

bool

IsAP214()¶

Returns True if APD.schema_name is automotive_design

rtype

bool

IsAP242()¶

Returns True if APD.schema_name is ap242_managed_model_based_3d_engineering

rtype

bool

Level()¶

Returns current assembly level

rtype

int

NextIndex()¶

Return type: None

NextLevel()¶

Return type: None

PrevIndex()¶

Return type: None

PrevLevel()¶

Return type: None

SetACname()¶

Parameters

name –

type name: opencascade::handle<TCollection_HAsciiString> &
rtype: None

SetACschemaName()¶

Parameters

schemaName –

type schemaName: opencascade::handle<TCollection_HAsciiString> &
rtype: None

SetACstatus()¶

Parameters

status –

type status: opencascade::handle<TCollection_HAsciiString> &
rtype: None

SetACyear()¶

Parameters

year –

type year: int
rtype: None

SetIndex()¶

Changes current index of assembly component on current level

param ind

type ind

int

rtype

None

SetLevel()¶

Changes current assembly level

param lev

type lev

int

rtype

None

SetModel()¶

Initialize ApplicationProtocolDefinition by the first entity of that type found in the model

param aStepModel

type aStepModel

opencascade::handle<StepData_StepModel> &

rtype

None

property thisown¶: The membership flag

class STEPConstruct_DataMapOfAsciiStringTransient(*args)¶

Bases: object

Assign()¶

Bind()¶

Bound()¶

ChangeFind()¶

ChangeSeek()¶

Clear()¶

Exchange()¶

Find()¶

IsBound()¶

ReSize()¶

Seek()¶

Set()¶

Size()¶

UnBind()¶

begin()¶

cbegin()¶

cend()¶

end()¶

property thisown¶: The membership flag

class STEPConstruct_DataMapOfPointTransient(*args)¶

Bases: object

Assign()¶

Bind()¶

Bound()¶

ChangeFind()¶

ChangeSeek()¶

Clear()¶

Exchange()¶

Find()¶

IsBound()¶

ReSize()¶

Seek()¶

Set()¶

Size()¶

UnBind()¶

begin()¶

cbegin()¶

cend()¶

end()¶

property thisown¶: The membership flag

class STEPConstruct_ExternRefs(*args)¶

Bases: OCC.Core.STEPConstruct.STEPConstruct_Tool

Creates an empty tool

rtype

None* Creates a tool and initializes it

param WS

type WS

opencascade::handle<XSControl_WorkSession> &

rtype

None

AddExternRef()¶

Create a new external reference with specified attributes attached to a given SDR <format> can be Null string, in that case this information is not written. Else, it can be ‘STEP AP214’ or ‘STEP AP203’ Returns index of a new extern ref

param filename

type filename

char *

param PD

type PD

opencascade::handle<StepBasic_ProductDefinition> &

param format

type format

char *

rtype

int

Clear()¶

Clears internal fields (list of defined extern refs)

rtype

None

FileName()¶

Returns filename for numth extern reference Returns Null if FileName is not defined or bad

param num

type num

int

rtype

char *

Format()¶

Returns format identification string for the extern document Returns Null handle if format is not defined

param num

type num

int

rtype

opencascade::handle<TCollection_HAsciiString>

GetAP214APD()¶

Returns the ApplicationProtocolDefinition of the PDM schema NOTE: if not defined then create new APD with new Application Context

rtype

opencascade::handle<StepBasic_ApplicationProtocolDefinition>

Init()¶

Initializes tool; returns True if succeeded

param WS

type WS

opencascade::handle<XSControl_WorkSession> &

rtype

bool

LoadExternRefs()¶

Searches current STEP model for external references and loads them to the internal data structures NOTE: does not clear data structures before loading

rtype

bool

NbExternRefs()¶

Returns number of defined extern references

rtype

int

ProdDef()¶

Returns ProductDefinition to which numth extern reference is associated. Returns Null if cannot be detected or if extern reference is not associated to SDR in a proper way.

param num

type num

int

rtype

opencascade::handle<StepBasic_ProductDefinition>

SetAP214APD()¶

Set the ApplicationProtocolDefinition of the PDM schema

param APD

type APD

opencascade::handle<StepBasic_ApplicationProtocolDefinition> &

rtype

None

WriteExternRefs()¶

Adds all the currently defined external refs to the model Returns number of written extern refs

param num

type num

int

rtype

int

checkAP214Shared()¶

Check (create if it is null) all shared entities for the model

rtype

None

property thisown¶: The membership flag

class STEPConstruct_Part(*args)¶

Bases: object

Return type: None

AC()¶

Return type: opencascade::handle<StepBasic_ApplicationContext>

ACapplication()¶

Return type: opencascade::handle<TCollection_HAsciiString>

IsDone()¶

Return type: bool

MakeSDR()¶

Parameters

aShape –

type aShape: opencascade::handle<StepShape_ShapeRepresentation> &
param aName
type aName: opencascade::handle<TCollection_HAsciiString> &
param AC
type AC: opencascade::handle<StepBasic_ApplicationContext> &
rtype: None

PC()¶

Return type: opencascade::handle<StepBasic_ProductContext>

PCdisciplineType()¶

Return type: opencascade::handle<TCollection_HAsciiString>

PCname()¶

Return type: opencascade::handle<TCollection_HAsciiString>

PD()¶

Return type: opencascade::handle<StepBasic_ProductDefinition>

PDC()¶

Return type: opencascade::handle<StepBasic_ProductDefinitionContext>

PDCname()¶

Return type: opencascade::handle<TCollection_HAsciiString>

PDCstage()¶

Return type: opencascade::handle<TCollection_HAsciiString>

PDF()¶

Return type: opencascade::handle<StepBasic_ProductDefinitionFormation>

PDFdescription()¶

Return type: opencascade::handle<TCollection_HAsciiString>

PDFid()¶

Return type: opencascade::handle<TCollection_HAsciiString>

PDS()¶

Return type: opencascade::handle<StepRepr_ProductDefinitionShape>

PDSdescription()¶

Return type: opencascade::handle<TCollection_HAsciiString>

PDSname()¶

Return type: opencascade::handle<TCollection_HAsciiString>

PDdescription()¶

Return type: opencascade::handle<TCollection_HAsciiString>

PRPC()¶

Return type: opencascade::handle<StepBasic_ProductRelatedProductCategory>

PRPCdescription()¶

Return type: opencascade::handle<TCollection_HAsciiString>

PRPCname()¶

Return type: opencascade::handle<TCollection_HAsciiString>

Pdescription()¶

Return type: opencascade::handle<TCollection_HAsciiString>

Pid()¶

Return type: opencascade::handle<TCollection_HAsciiString>

Pname()¶

Return type: opencascade::handle<TCollection_HAsciiString>

Product()¶

Return type: opencascade::handle<StepBasic_Product>

ReadSDR()¶

Parameters

aShape –

type aShape: opencascade::handle<StepShape_ShapeDefinitionRepresentation> &
rtype: None

SDRValue()¶

Returns SDR or Null if not done

rtype

opencascade::handle<StepShape_ShapeDefinitionRepresentation>

SRValue()¶

Returns SDR->UsedRepresentation() or Null if not done

rtype

opencascade::handle<StepShape_ShapeRepresentation>

SetACapplication()¶

Parameters

text –

type text: opencascade::handle<TCollection_HAsciiString> &
rtype: None

SetPCdisciplineType()¶

Parameters

label –

type label: opencascade::handle<TCollection_HAsciiString> &
rtype: None

SetPCname()¶

Parameters

name –

type name: opencascade::handle<TCollection_HAsciiString> &
rtype: None

SetPDCname()¶

Parameters

label –

type label: opencascade::handle<TCollection_HAsciiString> &
rtype: None

SetPDCstage()¶

Parameters

label –

type label: opencascade::handle<TCollection_HAsciiString> &
rtype: None

SetPDFdescription()¶

Parameters

text –

type text: opencascade::handle<TCollection_HAsciiString> &
rtype: None

SetPDFid()¶

Parameters

id –

type id: opencascade::handle<TCollection_HAsciiString> &
rtype: None

SetPDSdescription()¶

Parameters

text –

type text: opencascade::handle<TCollection_HAsciiString> &
rtype: None

SetPDSname()¶

Parameters

label –

type label: opencascade::handle<TCollection_HAsciiString> &
rtype: None

SetPDdescription()¶

Parameters

text –

type text: opencascade::handle<TCollection_HAsciiString> &
rtype: None

SetPRPCdescription()¶

Parameters

text –

type text: opencascade::handle<TCollection_HAsciiString> &
rtype: None

SetPRPCname()¶

Parameters

label –

type label: opencascade::handle<TCollection_HAsciiString> &
rtype: None

SetPdescription()¶

Parameters

text –

type text: opencascade::handle<TCollection_HAsciiString> &
rtype: None

SetPid()¶

Parameters

id –

type id: opencascade::handle<TCollection_HAsciiString> &
rtype: None

SetPname()¶

Parameters

label –

type label: opencascade::handle<TCollection_HAsciiString> &
rtype: None

property thisown¶: The membership flag

class STEPConstruct_PointHasher¶

Bases: object

static HashCode()¶

Computes a hash code for the point, in the range [1, theUpperBound] @param thePoint the point which hash code is to be computed @param theUpperBound the upper bound of the range a computing hash code must be within returns a computed hash code, in the range [1, theUpperBound]

param thePoint

type thePoint

gp_Pnt

param theUpperBound

type theUpperBound

int

rtype

int

static IsEqual()¶

Returns True when the two keys are the same. Two same keys must have the same hashcode, the contrary is not necessary.

param Point1

type Point1

gp_Pnt

param Point2

type Point2

gp_Pnt

rtype

bool

property thisown¶: The membership flag

class STEPConstruct_Styles(*args)¶

Bases: OCC.Core.STEPConstruct.STEPConstruct_Tool

Creates an empty tool

rtype

None* Creates a tool and initializes it

param WS

type WS

opencascade::handle<XSControl_WorkSession> &

rtype

None

AddStyle()¶

Adds a style to a sequence

param style

type style

opencascade::handle<StepVisual_StyledItem> &

rtype

None* Create a style linking giving PSA to the item, and add it to the sequence of stored styles. If Override is not Null, then the resulting style will be of the subtype OverridingStyledItem.

param item

type item

opencascade::handle<StepRepr_RepresentationItem> &

param PSA

type PSA

opencascade::handle<StepVisual_PresentationStyleAssignment> &

param Override

type Override

opencascade::handle<StepVisual_StyledItem> &

rtype

opencascade::handle<StepVisual_StyledItem>* Create a style linking giving PSA to the Shape, and add it to the sequence of stored styles. If Override is not Null, then the resulting style will be of the subtype OverridingStyledItem. The Sape is used to find corresponding STEP entity by call to STEPConstruct::FindEntity(), then previous method is called.

param Shape

type Shape

TopoDS_Shape &

param PSA

type PSA

opencascade::handle<StepVisual_PresentationStyleAssignment> &

param Override

type Override

opencascade::handle<StepVisual_StyledItem> &

rtype

opencascade::handle<StepVisual_StyledItem>

ClearStyles()¶

Clears all defined styles and PSA sequence

rtype

None

CreateMDGPR()¶

Create MDGPR, fill it with all the styles previously defined, and add it to the model

param Context

type Context

opencascade::handle<StepRepr_RepresentationContext> &

param MDGPR

type MDGPR

opencascade::handle<StepVisual_MechanicalDesignGeometricPresentationRepresentation> &

rtype

bool

CreateNAUOSRD()¶

Create MDGPR, fill it with all the styles previously defined, and add it to the model IMPORTANT: <initPDS> must be null when use for NAUO colors <initPDS> initialised only for SHUO case.

param Context

type Context

opencascade::handle<StepRepr_RepresentationContext> &

param CDSR

type CDSR

opencascade::handle<StepShape_ContextDependentShapeRepresentation> &

param initPDS

type initPDS

opencascade::handle<StepRepr_ProductDefinitionShape> &

rtype

bool

static DecodeColor()¶

Decodes STEP color and fills the Quantity_Color. Returns True if OK or False if color is not recognized

param Colour

type Colour

opencascade::handle<StepVisual_Colour> &

param Col

type Col

Quantity_Color &

rtype

bool

static EncodeColor()¶

Create STEP color entity by given Quantity_Color The analysis is performed for whether the color corresponds to one of standard colors predefined in STEP. In that case, PredefinedColour entity is created instead of RGBColour

param Col

type Col

Quantity_Color &

rtype

opencascade::handle<StepVisual_Colour>* Create STEP color entity by given Quantity_Color The analysis is performed for whether the color corresponds to one of standard colors predefined in STEP. In that case, PredefinedColour entity is created instead of RGBColour

param Col

type Col

Quantity_Color &

param DPDCs

type DPDCs

STEPConstruct_DataMapOfAsciiStringTransient &

param ColRGBs

type ColRGBs

STEPConstruct_DataMapOfPointTransient &

rtype

opencascade::handle<StepVisual_Colour>

FindContext()¶

Searches the STEP model for the RepresentationContext in which given shape is defined. This context (if found) can be used then in call to CreateMDGPR()

param Shape

type Shape

TopoDS_Shape &

rtype

opencascade::handle<StepRepr_RepresentationContext>

GetColorPSA()¶

Returns a PresentationStyleAssignment entity which defines surface and curve colors as Col. This PSA is either created or taken from internal map where all PSAs created by this method are remembered.

param item

type item

opencascade::handle<StepRepr_RepresentationItem> &

param Col

type Col

opencascade::handle<StepVisual_Colour> &

rtype

opencascade::handle<StepVisual_PresentationStyleAssignment>

GetColors()¶

Extract color definitions from the style entity For each type of color supported, result can be either NULL if it is not defined by that style, or last definition (if they are 1 or more)

param style

type style

opencascade::handle<StepVisual_StyledItem> &

param SurfCol

type SurfCol

opencascade::handle<StepVisual_Colour> &

param BoundCol

type BoundCol

opencascade::handle<StepVisual_Colour> &

param CurveCol

type CurveCol

opencascade::handle<StepVisual_Colour> &

param IsComponent

type IsComponent

bool

rtype

bool

Init()¶

Initializes tool; returns True if succeeded

param WS

type WS

opencascade::handle<XSControl_WorkSession> &

rtype

bool

LoadInvisStyles()¶

Searches the STEP model for the INISIBILITY enteties (which bring styles) and fills out sequence of styles

param InvSyles

type InvSyles

opencascade::handle<TColStd_HSequenceOfTransient> &

rtype

bool

LoadStyles()¶

Searches the STEP model for the MDGPR or DM entities (which bring styles) and fills sequence of styles

rtype

bool

MakeColorPSA()¶

Create a PresentationStyleAssignment entity which defines two colors (for filling surfaces and curves) if isForNAUO true then returns PresentationStyleByContext

param item

type item

opencascade::handle<StepRepr_RepresentationItem> &

param SurfCol

type SurfCol

opencascade::handle<StepVisual_Colour> &

param CurveCol

type CurveCol

opencascade::handle<StepVisual_Colour> &

param isForNAUO

default value is Standard_False

type isForNAUO

bool

rtype

opencascade::handle<StepVisual_PresentationStyleAssignment>

NbStyles()¶

Returns number of defined styles

rtype

int

Style()¶

Returns style with given index

param i

type i

int

rtype

opencascade::handle<StepVisual_StyledItem>

property thisown¶: The membership flag

class STEPConstruct_Tool(*args)¶

Bases: object

Creates an empty tool

rtype

None* Creates a tool and loads it with worksession

param WS

type WS

opencascade::handle<XSControl_WorkSession> &

rtype

None

FinderProcess()¶

Returns FinderProcess (writing; Null if not loaded)

rtype

opencascade::handle<Transfer_FinderProcess>

Graph()¶

Returns current graph (recomputing if necessary)

param recompute

default value is Standard_False

type recompute

bool

rtype

Interface_Graph

Model()¶

Returns current model (Null if not loaded)

rtype

opencascade::handle<Interface_InterfaceModel>

TransientProcess()¶

Returns TransientProcess (reading; Null if not loaded)

rtype

opencascade::handle<Transfer_TransientProcess>

WS()¶

Returns currently loaded WorkSession

rtype

opencascade::handle<XSControl_WorkSession>

property thisown¶: The membership flag

class STEPConstruct_UnitContext(*args)¶

Bases: object

Creates empty tool

rtype

None

AreaDone()¶

Returns true if areaFactor is computed

rtype

bool

AreaFactor()¶

Returns the areaFactor

rtype

float

ComputeFactors()¶

Computes the length, plane angle and solid angle conversion factor . Returns a status, 0 if OK

param aContext

type aContext

opencascade::handle<StepRepr_GlobalUnitAssignedContext> &

rtype

int:param aUnit:

type aUnit

opencascade::handle<StepBasic_NamedUnit> &

rtype

int

ComputeTolerance()¶

Computes the uncertainty value (for length)

param aContext

type aContext

opencascade::handle<StepRepr_GlobalUncertaintyAssignedContext> &

rtype

int

static ConvertSiPrefix()¶

Convert SI prefix defined by enumertaion to corresponding real factor (e.g. 1e6 for mega)

param aPrefix

type aPrefix

StepBasic_SiPrefix

rtype

float

HasUncertainty()¶

Tells if a Uncertainty (for length) is recorded

rtype

bool

Init()¶

Creates new context (units are MM and radians, uncertainty equal to Tol3d)

param Tol3d

type Tol3d

float

rtype

None

IsDone()¶

Returns True if Init was called successfully

rtype

bool

LengthDone()¶

Returns true if ComputeFactors has calculated a LengthFactor

rtype

bool

LengthFactor()¶

Returns the lengthFactor

rtype

float

PlaneAngleDone()¶

Returns true if ComputeFactors has calculated a PlaneAngleFactor

rtype

bool

PlaneAngleFactor()¶

Returns the planeAngleFactor

rtype

float

SolidAngleDone()¶

Returns true if ComputeFactors has calculated a SolidAngleFactor

rtype

bool

SolidAngleFactor()¶

Returns the solidAngleFactor

rtype

float

StatusMessage()¶

Returns a message for a given status (0 - empty) This message can then be added as warning for transfer

param status

type status

int

rtype

char *

Uncertainty()¶

Returns the Uncertainty value (for length) It has been converted with LengthFactor

rtype

float

Value()¶

Returns context (or Null if not done)

rtype

opencascade::handle<StepGeom_GeomRepContextAndGlobUnitAssCtxAndGlobUncertaintyAssCtx>

VolumeDone()¶

Returns true if volumeFactor is computed

rtype

bool

VolumeFactor()¶

Returns the volumeFactor

rtype

float

property thisown¶: The membership flag

class STEPConstruct_ValidationProps(*args)¶

Bases: OCC.Core.STEPConstruct.STEPConstruct_Tool

Creates an empty tool

rtype

None* Creates a tool and loads it with worksession

param WS

type WS

opencascade::handle<XSControl_WorkSession> &

rtype

None

AddArea()¶

Adds surface area property for given shape (already mapped). Returns True if success, False in case of fail

param Shape

type Shape

TopoDS_Shape &

param Area

type Area

float

rtype

bool

AddCentroid()¶

Adds centroid property for given shape (already mapped). Returns True if success, False in case of fail If instance is True, then centroid is assigned to an instance of component in assembly

param Shape

type Shape

TopoDS_Shape &

param Pnt

type Pnt

gp_Pnt

param instance

default value is Standard_False

type instance

bool

rtype

bool

AddProp()¶

General method for adding (writing) a validation property for shape which should be already mapped on writing itself. It uses FindTarget() to find target STEP entity resulting from given shape, and associated context Returns True if success, False in case of fail

param Shape

type Shape

TopoDS_Shape &

param Prop

type Prop

opencascade::handle<StepRepr_RepresentationItem> &

param Descr

type Descr

char *

param instance

default value is Standard_False

type instance

bool

rtype

bool* General method for adding (writing) a validation property for shape which should be already mapped on writing itself. It takes target and Context entities which correspond to shape Returns True if success, False in case of fail

param target

type target

StepRepr_CharacterizedDefinition &

param Context

type Context

opencascade::handle<StepRepr_RepresentationContext> &

param Prop

type Prop

opencascade::handle<StepRepr_RepresentationItem> &

param Descr

type Descr

char *

rtype

bool

AddVolume()¶

Adds volume property for given shape (already mapped). Returns True if success, False in case of fail

param Shape

type Shape

TopoDS_Shape &

param Vol

type Vol

float

rtype

bool

FindTarget()¶

Finds target STEP entity to which validation props should be assigned, and corresponding context, starting from shape Returns True if success, False in case of fail

param S

type S

TopoDS_Shape &

param target

type target

StepRepr_CharacterizedDefinition &

param Context

type Context

opencascade::handle<StepRepr_RepresentationContext> &

param instance

default value is Standard_False

type instance

bool

rtype

bool

GetPropNAUO()¶

Returns CDSR associated with given PpD or NULL if not found (when, try GetPropSDR)

param PD

type PD

opencascade::handle<StepRepr_PropertyDefinition> &

rtype

opencascade::handle<StepRepr_NextAssemblyUsageOccurrence>

GetPropPD()¶

Returns SDR associated with given PpD or NULL if not found (when, try GetPropCDSR)

param PD

type PD

opencascade::handle<StepRepr_PropertyDefinition> &

rtype

opencascade::handle<StepBasic_ProductDefinition>

GetPropPnt()¶

Returns value of Centriod property (or False if it is not)

param item

type item

opencascade::handle<StepRepr_RepresentationItem> &

param Context

type Context

opencascade::handle<StepRepr_RepresentationContext> &

param Pnt

type Pnt

gp_Pnt

rtype

bool

GetPropReal()¶

Returns value of Real-Valued property (Area or Volume) If Property is neither Area nor Volume, returns False Else returns True and isArea indicates whether property is area or volume

param item

type item

opencascade::handle<StepRepr_RepresentationItem> &

param Val

type Val

float &

param isArea

type isArea

bool

rtype

bool

GetPropShape()¶

Returns Shape associated with given SDR or Null Shape if not found

param ProdDef

type ProdDef

opencascade::handle<StepBasic_ProductDefinition> &

rtype

TopoDS_Shape* Returns Shape associated with given PpD or Null Shape if not found

param PD

type PD

opencascade::handle<StepRepr_PropertyDefinition> &

rtype

TopoDS_Shape

Init()¶

Load worksession; returns True if succeeded

param WS

type WS

opencascade::handle<XSControl_WorkSession> &

rtype

bool

LoadProps()¶

Searches for entities of the type PropertyDefinitionRepresentation in the model and fills the sequence by them

param seq

type seq

TColStd_SequenceOfTransient &

rtype

bool

SetAssemblyShape()¶

Sets current assembly shape SDR (for FindCDSR calls)

param shape

type shape

TopoDS_Shape &

rtype

None

property thisown¶: The membership flag

class SwigPyIterator(*args, **kwargs)¶

Bases: object

advance()¶

copy()¶

decr()¶

distance()¶

equal()¶

incr()¶

next()¶

previous()¶

property thisown¶: The membership flag

value()¶

class stepconstruct¶

Bases: object

static FindCDSR()¶

Find CDSR correcponding to the component in the specified assembly

param ComponentBinder

type ComponentBinder

opencascade::handle<Transfer_Binder> &

param AssemblySDR

type AssemblySDR

opencascade::handle<StepShape_ShapeDefinitionRepresentation> &

param ComponentCDSR

type ComponentCDSR

opencascade::handle<StepShape_ContextDependentShapeRepresentation> &

rtype

bool

static FindEntity()¶

Returns STEP entity of the (sub)type of RepresentationItem which is a result of the tranalation of the Shape, or Null if no result is recorded

param FinderProcess

type FinderProcess

opencascade::handle<Transfer_FinderProcess> &

param Shape

type Shape

TopoDS_Shape &

rtype

opencascade::handle<StepRepr_RepresentationItem>* The same as above, but in the case if item not found, repeats search on the same shape without location. The Loc corresponds to the location with which result is found (either location of the Shape, or Null)

param FinderProcess

type FinderProcess

opencascade::handle<Transfer_FinderProcess> &

param Shape

type Shape

TopoDS_Shape &

param Loc

type Loc

TopLoc_Location &

rtype

opencascade::handle<StepRepr_RepresentationItem>

static FindShape()¶

Returns Shape resulting from given STEP entity (Null if not mapped)

param TransientProcess

type TransientProcess

opencascade::handle<Transfer_TransientProcess> &

param item

type item

opencascade::handle<StepRepr_RepresentationItem> &

rtype

TopoDS_Shape

property thisown¶: The membership flag