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0027975: Data Exchange - Add possibility to connect DGTs to vertices.

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Implement new function to find Product_Definition_Shape entity.
Modify Reader to add possibility of import DGTs, connected to some geometry items.
Update test cases.
This commit is contained in:
ika
2016-10-18 13:24:29 +03:00
committed by apn
parent 4d19a2c5e7
commit 43d3f6d8d8
9 changed files with 86 additions and 29 deletions
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61
src/STEPCAFControl/STEPCAFControl_Writer.cxx
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@@ -2112,11 +2112,56 @@ static Standard_Boolean FindPDSforDGT(const Interface_Graph &aGraph,
return Standard_True;
}
//=======================================================================
//function : FindPDS
//purpose : auxilary: find Product_definition_shape entity for given entity
//=======================================================================
static Handle(StepRepr_ProductDefinitionShape) FindPDS(const Interface_Graph &theGraph,
const Handle(Standard_Transient) &theEnt,
Handle(StepRepr_RepresentationContext) &theRC)
{
if (theEnt.IsNull())
return NULL;
Handle(StepRepr_ProductDefinitionShape) aPDS;
// try to find shape_representation in sharings
Interface_EntityIterator anIter = theGraph.Sharings(theEnt);
for (anIter.Start(); anIter.More() && aPDS.IsNull(); anIter.Next()) {
Handle(StepShape_ShapeRepresentation) aSR = Handle(StepShape_ShapeRepresentation)::DownCast(anIter.Value());
if (aSR.IsNull())
continue;
theRC = aSR->ContextOfItems();
Interface_EntityIterator aSDRIt = theGraph.Sharings(aSR);
for (aSDRIt.Start(); aSDRIt.More() && aPDS.IsNull(); aSDRIt.Next()) {
Handle(StepShape_ShapeDefinitionRepresentation) aSDR =
Handle(StepShape_ShapeDefinitionRepresentation)::DownCast(aSDRIt.Value());
if (aSDR.IsNull()) continue;
Handle(StepRepr_PropertyDefinition) aPropD = aSDR->Definition().PropertyDefinition();
if (aPropD.IsNull()) continue;
aPDS = Handle(StepRepr_ProductDefinitionShape)::DownCast(aPropD);
}
}
if (!aPDS.IsNull())
return aPDS;
anIter = theGraph.Sharings(theEnt);
for (anIter.Start(); anIter.More(); anIter.Next()) {
if (anIter.Value()->IsKind(STANDARD_TYPE(StepShape_TopologicalRepresentationItem)) ||
anIter.Value()->IsKind(STANDARD_TYPE(StepGeom_GeometricRepresentationItem)))
{
aPDS = FindPDS(theGraph, anIter.Value(), theRC);
if (!aPDS.IsNull())
return aPDS;
}
}
return aPDS;
}
//=======================================================================
//function : GetUnit
//purpose : auxiliary
//=======================================================================
static StepBasic_Unit GetUnit(const Handle(StepRepr_RepresentationContext)& theRC,
const Standard_Boolean isAngle = Standard_False)
{
@@ -2264,9 +2309,7 @@ static Handle(StepRepr_ShapeAspect) WriteShapeAspect (const Handle(XSControl_Wor
Handle(StepRepr_ProductDefinitionShape) aPDS;
Handle(StepRepr_RepresentationContext) aRC;
Handle(Standard_Transient) anEnt = aSeqRI.Value(1);
Handle(StepShape_AdvancedFace) anAF;
Handle(StepShape_EdgeCurve) anEC;
FindPDSforDGT(aGraph, anEnt, aPDS, aRC, anAF, anEC);
aPDS = FindPDS(aGraph, anEnt, aRC);
if(aPDS.IsNull())
return NULL;
@@ -2335,7 +2378,8 @@ static void WritePresentation(const Handle(XSControl_WorkSession) &WS,
Handle(StepVisual_HArray1OfDraughtingCalloutElement) aTAOs = new StepVisual_HArray1OfDraughtingCalloutElement(1, 1);
aTAOs->SetValue(1, aDCElement);
Handle(StepVisual_DraughtingCallout) aDCallout = new StepVisual_DraughtingCallout();
aDCallout->Init(thePrsName, aTAOs);
Handle(TCollection_HAsciiString) aPrsName = thePrsName.IsNull() ? new TCollection_HAsciiString() : thePrsName;
aDCallout->Init(aPrsName, aTAOs);
Handle(StepRepr_HArray1OfRepresentationItem) aDCsForDMIA = new StepRepr_HArray1OfRepresentationItem(1, 1);
aDCsForDMIA->SetValue(1, aDCallout);
StepAP242_ItemIdentifiedRepresentationUsageDefinition aDimension;
@@ -2405,7 +2449,8 @@ static void WritePresentation(const Handle(XSControl_WorkSession) &WS,
Handle(StepVisual_HArray1OfDraughtingCalloutElement) aTAOs = new StepVisual_HArray1OfDraughtingCalloutElement(1, 1);
aTAOs->SetValue(1, aDCElement);
Handle(StepVisual_DraughtingCallout) aDCallout = new StepVisual_DraughtingCallout();
aDCallout->Init(thePrsName, aTAOs);
Handle(TCollection_HAsciiString) aPrsName = thePrsName.IsNull() ? new TCollection_HAsciiString() : thePrsName;
aDCallout->Init(aPrsName, aTAOs);
aModel->AddWithRefs(aDCallout);
// Annotation plane
@@ -2464,8 +2509,6 @@ static Handle(StepDimTol_Datum) WriteDatumAP242(const Handle(XSControl_WorkSessi
Handle(StepRepr_ProductDefinitionShape) aPDS;
Handle(StepRepr_RepresentationContext) aRC;
Handle(Standard_Transient) anEnt;
Handle(StepShape_AdvancedFace) anAF;
Handle(StepShape_EdgeCurve) anEC;
TopoDS_Shape aShape;
TopLoc_Location aLoc;
TColStd_SequenceOfTransient aSeqRI;
@@ -2477,7 +2520,7 @@ static Handle(StepDimTol_Datum) WriteDatumAP242(const Handle(XSControl_WorkSessi
return NULL;
}
anEnt = aSeqRI.Value(1);
FindPDSforDGT(aGraph, anEnt, aPDS, aRC, anAF, anEC);
aPDS = FindPDS(aGraph, anEnt, aRC);
if (aPDS.IsNull())
return NULL;