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More tests and debug
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jfa
parent
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@ -3285,8 +3285,8 @@ void GEOMImpl_IMeasureOperations::FillErrors
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//function : ShapeProximityCalculator
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//purpose : returns an object to compute the proximity value
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//=======================================================================
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Handle(GEOM_Object) GEOMImpl_IMeasureOperations::ShapeProximityCalculator(
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Handle(GEOM_Object) theShape1,
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Handle(GEOM_Object) GEOMImpl_IMeasureOperations::ShapeProximityCalculator
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(Handle(GEOM_Object) theShape1,
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Handle(GEOM_Object) theShape2)
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{
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SetErrorCode(KO);
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@ -3294,6 +3294,11 @@ Handle(GEOM_Object) GEOMImpl_IMeasureOperations::ShapeProximityCalculator(
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if (theShape1.IsNull() || theShape2.IsNull())
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return NULL;
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Handle(GEOM_Function) aShapeFunc1 = theShape1->GetLastFunction();
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Handle(GEOM_Function) aShapeFunc2 = theShape2->GetLastFunction();
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if (aShapeFunc1.IsNull() || aShapeFunc2.IsNull())
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return NULL;
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Handle(GEOM_Object) aProximityCalc = GetEngine()->AddObject(GEOM_SHAPE_PROXIMITY);
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if (aProximityCalc.IsNull())
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return NULL;
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@ -3306,32 +3311,12 @@ Handle(GEOM_Object) GEOMImpl_IMeasureOperations::ShapeProximityCalculator(
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return NULL;
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GEOMImpl_IProximity aProximity (aProximityFuncCoarse);
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Handle(GEOM_Function) aShapeFunc1 = theShape1->GetLastFunction();
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Handle(GEOM_Function) aShapeFunc2 = theShape2->GetLastFunction();
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if (aShapeFunc1.IsNull() || aShapeFunc2.IsNull())
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return NULL;
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aProximity.SetShapes(aShapeFunc1, aShapeFunc2);
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// Perform
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try
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{
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OCC_CATCH_SIGNALS;
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if (!GetSolver()->ComputeFunction(aProximityFuncCoarse))
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{
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SetErrorCode("shape proximity driver failed");
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return NULL;
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}
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}
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catch (Standard_Failure& aFail)
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{
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SetErrorCode(aFail.GetMessageString());
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return NULL;
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}
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//Make a Python command
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GEOM::TPythonDump(aProximityFuncCoarse) << "p = geompy.ShapeProximity()";
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GEOM::TPythonDump(aProximityFuncCoarse) << "p.setShapes(" << theShape1 << ", " << theShape2 << ")";
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GEOM::TPythonDump pd (aProximityFuncCoarse);
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pd << "p = geompy.ShapeProximity()\n";
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pd << "p.setShapes(" << theShape1 << ", " << theShape2 << ")";
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SetErrorCode(OK);
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return aProximityCalc;
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@ -3341,8 +3326,7 @@ Handle(GEOM_Object) GEOMImpl_IMeasureOperations::ShapeProximityCalculator(
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//function : SetShapeSampling
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//purpose : set number sample points to compute the coarse proximity
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//=======================================================================
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void GEOMImpl_IMeasureOperations::SetShapeSampling(
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Handle(GEOM_Object) theCalculator,
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void GEOMImpl_IMeasureOperations::SetShapeSampling(Handle(GEOM_Object) theCalculator,
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Handle(GEOM_Object) theShape,
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const Standard_Integer theNbSamples)
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{
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@ -3353,7 +3337,6 @@ void GEOMImpl_IMeasureOperations::SetShapeSampling(
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theNbSamples <= 0)
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return ;
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Handle(GEOM_Function) aProximityFuncCoarse = theCalculator->GetFunction(1);
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if (aProximityFuncCoarse.IsNull() ||
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aProximityFuncCoarse->GetDriverGUID() != GEOMImpl_ShapeProximityDriver::GetID())
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@ -3366,13 +3349,14 @@ void GEOMImpl_IMeasureOperations::SetShapeSampling(
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GEOMImpl_IProximity aProximity(aProximityFuncCoarse);
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Handle(GEOM_Function) aShape1, aShape2;
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aProximity.GetShapes(aShape1, aShape2);
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if (aShape1 == aShapeFunc)
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if (aShape1->GetValue() == aShapeFunc->GetValue())
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aProximity.SetNbSamples(PROXIMITY_ARG_SAMPLES1, theNbSamples);
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else if (aShape2 == aShapeFunc)
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else if (aShape2->GetValue() == aShapeFunc->GetValue())
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aProximity.SetNbSamples(PROXIMITY_ARG_SAMPLES2, theNbSamples);
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//Make a Python command
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GEOM::TPythonDump(aProximityFuncCoarse) << "p.setSampling(" << theShape << ", " << theNbSamples << ")";
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GEOM::TPythonDump(aProximityFuncCoarse, /*append=*/true) <<
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"p.setSampling(" << theShape << ", " << theNbSamples << ")";
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SetErrorCode(OK);
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}
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@ -3381,30 +3365,40 @@ void GEOMImpl_IMeasureOperations::SetShapeSampling(
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//function : GetCoarseProximity
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//purpose : compute coarse proximity
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//=======================================================================
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Standard_Real GEOMImpl_IMeasureOperations::GetCoarseProximity(Handle(GEOM_Object) theCalculator)
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Standard_Real GEOMImpl_IMeasureOperations::GetCoarseProximity(Handle(GEOM_Object) theCalculator,
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bool doPythonDump)
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{
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SetErrorCode(KO);
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if (theCalculator.IsNull())
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return NULL;
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return -1;
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Handle(GEOM_Function) aProximityFuncCoarse;
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for (int i = 1; i <= theCalculator->GetNbFunctions() && aProximityFuncCoarse.IsNull(); ++i)
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{
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Handle(GEOM_Function) aFunc = theCalculator->GetFunction(i);
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if (!aFunc.IsNull() && aFunc->GetType() == PROXIMITY_COARSE)
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aProximityFuncCoarse = aFunc;
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}
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//Check if the function is set correctly
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Handle(GEOM_Function) aProximityFuncCoarse = theCalculator->GetFunction(1);
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if (aProximityFuncCoarse.IsNull() ||
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aProximityFuncCoarse->GetDriverGUID() != GEOMImpl_ShapeProximityDriver::GetID())
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return NULL;
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aProximityFuncCoarse->GetDriverGUID() != GEOMImpl_ShapeProximityDriver::GetID() ||
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aProximityFuncCoarse->GetType() != PROXIMITY_COARSE)
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return -1;
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GEOMImpl_IProximity aProximity(aProximityFuncCoarse);
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// Perform
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// We have to recompute the function each time,
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// because the number of samples can be changed
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try {
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OCC_CATCH_SIGNALS;
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if (!GetSolver()->ComputeFunction(aProximityFuncCoarse)) {
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SetErrorCode("shape proximity driver failed");
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return -1;
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}
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}
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catch (Standard_Failure& aFail) {
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SetErrorCode(aFail.GetMessageString());
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return -1;
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}
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//Make a Python command
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GEOM::TPythonDump(aProximityFuncCoarse) << "value = p.coarseProximity()";
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if (doPythonDump)
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GEOM::TPythonDump(aProximityFuncCoarse, /*append=*/true) << "value = p.coarseProximity()";
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SetErrorCode(OK);
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GEOMImpl_IProximity aProximity (aProximityFuncCoarse);
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return aProximity.GetValue();
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}
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@ -3416,71 +3410,60 @@ Standard_Real GEOMImpl_IMeasureOperations::GetPreciseProximity(Handle(GEOM_Objec
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{
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SetErrorCode(KO);
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if (theCalculator.IsNull())
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return NULL;
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return -1;
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Handle(GEOM_Function) aProximityFuncFine = theCalculator->GetLastFunction();
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if (aProximityFuncFine.IsNull())
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{
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// perform coarse computatiuon beforehand
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GetCoarseProximity(theCalculator);
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aProximityFuncFine = theCalculator->GetLastFunction();
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}
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if (aProximityFuncFine->GetType() != PROXIMITY_PRECISE)
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aProximityFuncFine = theCalculator->AddFunction(GEOMImpl_ShapeProximityDriver::GetID(), PROXIMITY_PRECISE);
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Handle(GEOM_Function) aProximityFuncCoarse = theCalculator->GetFunction(1);
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Handle(GEOM_Function) aProximityFuncFine = theCalculator->GetFunction(2);
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if (aProximityFuncFine.IsNull())
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aProximityFuncFine = theCalculator->AddFunction
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(GEOMImpl_ShapeProximityDriver::GetID(), PROXIMITY_PRECISE);
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//Check if the functions are set correctly
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if (aProximityFuncCoarse.IsNull() ||
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aProximityFuncCoarse->GetDriverGUID() != GEOMImpl_ShapeProximityDriver::GetID() ||
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aProximityFuncFine.IsNull() ||
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aProximityFuncFine->GetDriverGUID() != GEOMImpl_ShapeProximityDriver::GetID())
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return NULL;
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return -1;
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// perform coarse computation beforehand
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GetCoarseProximity(theCalculator, /*doPythonDump=*/false);
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// transfer parameters from the coarse to precise calculator
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GEOMImpl_IProximity aCoarseProximity (aProximityFuncCoarse);
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Handle(GEOM_Function) aShape1, aShape2;
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aCoarseProximity.GetShapes(aShape1, aShape2);
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if (aShape1.IsNull() || aShape2.IsNull())
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return NULL;
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return -1;
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gp_Pnt aProxPnt1, aProxPnt2;
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BRepExtrema_ProximityDistTool::ProxPnt_Status aStatus1, aStatus2;
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Standard_Integer intStatus1, intStatus2;
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aCoarseProximity.GetProximityPoints(aProxPnt1, aProxPnt2);
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aCoarseProximity.GetStatusOfPoints(intStatus1, intStatus2);
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aStatus1 = (BRepExtrema_ProximityDistTool::ProxPnt_Status)intStatus1;
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aStatus2 = (BRepExtrema_ProximityDistTool::ProxPnt_Status)intStatus2;
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Standard_Real aResultValue = aCoarseProximity.GetValue();
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// call precise calculator only if at least one point is in the middle of the shape
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if (aStatus1 == BRepExtrema_ProximityDistTool::ProxPnt_Status_MIDDLE ||
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aStatus2 == BRepExtrema_ProximityDistTool::ProxPnt_Status_MIDDLE)
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{
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GEOMImpl_IProximity aFineProximity (aProximityFuncFine);
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aFineProximity.SetShapes(aShape1, aShape2);
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aFineProximity.SetProximityPoints(aProxPnt1, aProxPnt2);
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aFineProximity.SetStatusOfPoints(intStatus1, intStatus2);
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aFineProximity.SetValue(aResultValue); // in some cases this value cannot be precised
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// Perform
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try
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{
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try {
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OCC_CATCH_SIGNALS;
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if (!GetSolver()->ComputeFunction(aProximityFuncFine))
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{
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if (!GetSolver()->ComputeFunction(aProximityFuncFine)) {
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SetErrorCode("shape proximity driver failed");
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return NULL;
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return -1;
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}
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}
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catch (Standard_Failure& aFail)
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{
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catch (Standard_Failure& aFail) {
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SetErrorCode(aFail.GetMessageString());
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return NULL;
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return -1;
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}
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aResultValue = aFineProximity.GetValue();
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}
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aFineProximity.GetProximityPoints(aProxPnt1, aProxPnt2);
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//Make a Python command
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GEOM::TPythonDump(aProximityFuncCoarse) << "value = p.preciseProximity()";
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GEOM::TPythonDump(aProximityFuncCoarse, /*append=*/true) << "value = p.preciseProximity()";
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SetErrorCode(OK);
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return aResultValue;
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@ -247,7 +247,8 @@ class GEOMImpl_IMeasureOperations : public GEOM_IOperations {
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// Methods to compute proximity between two shapes
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Standard_EXPORT Handle(GEOM_Object) ShapeProximityCalculator(Handle(GEOM_Object) theShape1,
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Handle(GEOM_Object) theShape2);
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Standard_EXPORT Standard_Real GetCoarseProximity(Handle(GEOM_Object) theCalculator);
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Standard_EXPORT Standard_Real GetCoarseProximity(Handle(GEOM_Object) theCalculator,
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bool doPythonDump = true);
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Standard_EXPORT Standard_Real GetPreciseProximity(Handle(GEOM_Object) theCalculator);
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Standard_EXPORT void SetShapeSampling(Handle(GEOM_Object) theCalculator,
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Handle(GEOM_Object) theShape,
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@ -296,7 +296,7 @@ Standard_Integer GEOMImpl_ShapeProximityDriver::Execute(Handle(TFunction_Logbook
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tessellateShape(aShape1);
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tessellateShape(aShape2);
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// compute proximity basing of the tessellation
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// compute proximity basing on the tessellation
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BRepExtrema_ShapeProximity aCalcProx;
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aCalcProx.LoadShape1(aShape1);
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aCalcProx.LoadShape2(aShape2);
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@ -317,6 +317,11 @@ Standard_Integer GEOMImpl_ShapeProximityDriver::Execute(Handle(TFunction_Logbook
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}
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else if (aFunction->GetType() == PROXIMITY_PRECISE)
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{
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// coarse proximity value
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// in some cases this value cannot be precised
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// it can be precised only if at least one point is in the middle of the shape
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aValue = aProximity.GetValue();
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TopAbs_ShapeEnum aType1 = aShape1.ShapeType();
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TopAbs_ShapeEnum aType2 = aShape2.ShapeType();
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@ -56,7 +56,7 @@ class ShapeProximity():
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## Computes proximity between two shapes of the same type
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def proximity(self, shape1, shape2):
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self.setShapes(shape1, shape2)
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self.coarseProximity()
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#self.coarseProximity()
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return self.preciseProximity()
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pass
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@ -12,7 +12,67 @@ OX = geompy.MakeVectorDXDYDZ(1, 0, 0)
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OY = geompy.MakeVectorDXDYDZ(0, 1, 0)
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OZ = geompy.MakeVectorDXDYDZ(0, 0, 1)
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# create arc and segment
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# Case 1: two bezier curves (original Cas2_29468.py)
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from math import sqrt
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# 283x384
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szY = 384
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listOfPtsRed_gimp = [(10,84), (54,96),(145,146),(167,167),(185,212),(187,234),(176,302)]
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listOfPtsBlue_gimp = [(120,72),(170,87),(227,118),(238,126),(243,157),(203,216),(134,281),(94,324)]
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#
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listOfPtsRed = [(x,szY-y) for x,y in listOfPtsRed_gimp]
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listOfPtsBlue = [(x,szY-y) for x,y in listOfPtsBlue_gimp]
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#
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verticesRed = [geompy.MakeVertex(x,y,0) for x,y in listOfPtsRed]
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verticesBlue = [geompy.MakeVertex(x,y,0) for x,y in listOfPtsBlue]
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for i,(x,y) in enumerate(listOfPtsRed):
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geompy.addToStudy(geompy.MakeVertex(x,y,0),"red_pt{}".format(i))
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for i,(x,y) in enumerate(listOfPtsBlue):
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geompy.addToStudy(geompy.MakeVertex(x,y,0),"blue_pt{}".format(i))
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redEdge = geompy.MakeBezier(verticesRed)
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blueEdge = geompy.MakeBezier(verticesBlue)
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#
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geompy.addToStudy(redEdge,"red")
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geompy.addToStudy(blueEdge,"blue")
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XY_red = (152,214)
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XY_blue = (215,260)
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exp_red = geompy.MakeVertex(*XY_red,0)
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exp_blue = geompy.MakeVertex(*XY_blue,0)
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geompy.addToStudy(exp_red,"exp_red")
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geompy.addToStudy(exp_blue,"exp_blue")
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p = geompy.ShapeProximity()
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p.setShapes(redEdge, blueEdge)
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p.setSampling(redEdge, 1000)
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p.setSampling(blueEdge, 1000)
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p_coarse = p.coarseProximity()
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p_precise = p.preciseProximity()
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print( "coarse = {} ; fine = {}".format(p_coarse,p_precise) )
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print( "Manually obtained value = {}".format( sqrt( (XY_red[0]-XY_blue[0])**2 + (XY_red[1]-XY_blue[1])**2 ) ) )
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assert(math.fabs(p_coarse - 84.89994110) < 1.e-7)
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# Case 2: two bezier curves (different coarse and fine proximities)
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V1 = geompy.MakeVertex(10, 10, 0)
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V2 = geompy.MakeVertex(20, -10, 0)
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V3 = geompy.MakeVertex(30, 0, 0)
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V4 = geompy.MakeVertex(0, -3, 0)
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V5 = geompy.MakeVertex(13, -10, 0)
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V6 = geompy.MakeVertex(25, 10, 0)
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V7 = geompy.MakeVertex(30, 5, 0)
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BC1 = geompy.MakeBezier([ O, V1, V2, V3], False, "BC1")
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BC2 = geompy.MakeBezier([V4, V5, V6, V7], False, "BC2")
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pcalc = geompy.ShapeProximity()
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pcalc.setShapes(BC1, BC2)
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p_coarse = pcalc.coarseProximity()
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p_fine = pcalc.preciseProximity()
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assert(math.fabs(p_coarse - 7.3126564) < 1.e-7)
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assert(math.fabs(p_fine - 7.380468495) < 1.e-7)
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# Case 3: arc and segment
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Vertex_1 = geompy.MakeVertex(0, 0, -1)
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Vertex_2 = geompy.MakeVertex(1, 0, 0)
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Vertex_3 = geompy.MakeVertex(0, 0, 1)
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@ -12,16 +12,55 @@ OX = geompy.MakeVectorDXDYDZ(1, 0, 0)
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OY = geompy.MakeVectorDXDYDZ(0, 1, 0)
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OZ = geompy.MakeVectorDXDYDZ(0, 0, 1)
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# create conical and planar faces
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# Case 1: cylinder and sphere (different coarse and fine proximities)
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OCyl = geompy.MakeVertex(0, -5, 15)
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Cyl = geompy.MakeCylinder(OCyl, OY, 3, 10, "Cyl")
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AX1 = geompy.MakeTranslation(OX, 0, 0, 15, "AX1")
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geompy.Rotate(Cyl, AX1, -20.0*math.pi/180.0)
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Cyl_face = geompy.SubShapeAllSortedCentres(Cyl, geompy.ShapeType["FACE"], "Face")[1]
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Sph = geompy.MakeSphereR(10, "Sph")
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Box_1 = geompy.MakeBoxDXDYDZ(40, 40, 27.071067)
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Translation_1 = geompy.MakeTranslation(Box_1, -20, -20, -20)
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Cut_1 = geompy.MakeCutList(Sph, [Translation_1], True, "Cut_1")
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Sph_face = geompy.SubShapeAllSortedCentres(Cut_1, geompy.ShapeType["FACE"], "Face")[1]
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pcalc = geompy.ShapeProximity()
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pcalc.setShapes(Cyl_face, Sph_face)
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p_coarse = pcalc.coarseProximity()
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p_fine = pcalc.preciseProximity()
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assert(math.fabs(p_coarse - 9.8649933) < 1.e-7)
|
||||
assert(math.fabs(p_fine - 7.6984631) < 1.e-7)
|
||||
|
||||
geompy.MakeVertex(0, 2.63303, 17.2342, "p1")
|
||||
geompy.MakeVertex(0, 0, 10, "p2")
|
||||
|
||||
print("With sampling 0: coarse = {} ; fine = {}".format(p_coarse, p_fine))
|
||||
|
||||
pcalc.setSampling(Cyl_face, 100) # number of sample points for the first shape
|
||||
pcalc.setSampling(Sph_face, 100) # number of sample points for the second shape
|
||||
p_coarse = pcalc.coarseProximity()
|
||||
p_fine = pcalc.preciseProximity()
|
||||
|
||||
print("With sampling 100: coarse = {} ; fine = {}".format(p_coarse, p_fine))
|
||||
|
||||
pcalc.setSampling(Cyl_face, 1000) # number of sample points for the first shape
|
||||
pcalc.setSampling(Sph_face, 1000) # number of sample points for the second shape
|
||||
p_coarse = pcalc.coarseProximity()
|
||||
p_fine = pcalc.preciseProximity()
|
||||
|
||||
print("With sampling 1000: coarse = {} ; fine = {}".format(p_coarse, p_fine))
|
||||
|
||||
# Case 2: conical and planar faces
|
||||
Cone_1 = geompy.MakeConeR1R2H(100, 0, 300)
|
||||
Cone_1_face_3 = geompy.GetSubShape(Cone_1, [3])
|
||||
Cone_1_wire_4 = geompy.GetSubShape(Cone_1, [4])
|
||||
Face_1 = geompy.MakeFaceFromSurface(Cone_1_face_3, Cone_1_wire_4)
|
||||
Face_1 = geompy.MakeFaceFromSurface(Cone_1_face_3, Cone_1_wire_4, "Face_1")
|
||||
Face_1_edge_5 = geompy.GetSubShape(Face_1, [5])
|
||||
Face_2 = geompy.MakeFaceObjHW(Face_1_edge_5, 200, 200)
|
||||
geompy.Rotate(Face_2, OY, 90*math.pi/180.0)
|
||||
Face_2_vertex_7 = geompy.GetSubShape(Face_2, [7])
|
||||
Translation_1 = geompy.MakeTranslationTwoPoints(Face_2, Face_2_vertex_7, O)
|
||||
Translation_1 = geompy.MakeTranslationTwoPoints(Face_2, Face_2_vertex_7, O, "Translation_1")
|
||||
|
||||
shape1 = Face_1
|
||||
shape2 = Translation_1
|
||||
@ -40,4 +79,8 @@ proximity2_fine = p2.preciseProximity()
|
||||
|
||||
assert(math.fabs(proximity1 - proximity2_fine) < 1.e-7)
|
||||
assert(math.fabs(proximity2_coarse - 127.1141386) < 1.e-7)
|
||||
assert(math.fabs(proximity2_fine - 94.8683298) < 1.e-7)
|
||||
#assert(math.fabs(proximity2_fine - 94.8683298) < 1.e-7)
|
||||
assert(math.fabs(proximity2_fine - 127.1141386) < 1.e-7)
|
||||
|
||||
geompy.MakeVertex(0, 0, 300, "p3")
|
||||
geompy.MakeVertex(-63.2456, 0, 189.737, "p4")
|
||||
|
||||
Loading…
Reference in New Issue
Block a user