// Builds a fused shape of all fuselage segments
PNamedShape CCPACSFuselage::BuildLoft(void)
{
// Get Continuity of first segment
// TODO: adapt lofting to have multiple different continuities
TiglContinuity cont = segments.GetSegment(1).GetContinuity();
Standard_Boolean ruled = (cont == C0? true : false);
// Ne need a smooth fuselage by default
// @TODO: OpenCascade::ThruSections is currently buggy and crashes, if smooth lofting
// is performed. Therefore we swicth the 2. parameter to Standard_True (non smooth lofting).
// This has to be reverted, as soon as the bug is fixed!!!
BRepOffsetAPI_ThruSections generator(Standard_True, ruled, Precision::Confusion() );
for (int i=1; i <= segments.GetSegmentCount(); i++) {
generator.AddWire(segments.GetSegment(i).GetStartWire());
}
generator.AddWire(segments.GetSegment(segments.GetSegmentCount()).GetEndWire());
generator.SetMaxDegree(2); //surfaces will be C1-continuous
generator.SetParType(Approx_Centripetal);
generator.CheckCompatibility(Standard_False);
generator.Build();
TopoDS_Shape loftShape = generator.Shape();
std::string loftName = GetUID();
std::string loftShortName = GetShortShapeName();
PNamedShape loft(new CNamedShape(loftShape, loftName.c_str(), loftShortName.c_str()));
return loft;
}
MStatus fullLoft::compute( const MPlug& plug, MDataBlock& data )
{
MStatus stat;
if ( plug == outputSurface ) // loft inputCurves into surface
{
MArrayDataHandle inputArrayData = data.inputArrayValue( inputCurve,
&stat );
PERRORfail("fullLoft::compute getting input array data");
MDataHandle surfHandle = data.outputValue( fullLoft::outputSurface );
PERRORfail("fullLoft::compute getting output data handle");
MFnNurbsSurfaceData dataCreator;
MObject newSurfData = dataCreator.create( &stat );
PERRORfail("fullLoft::compute creating new nurbs surface data block");
/* MObject newSurf = */ loft(inputArrayData, newSurfData, stat );
// No error message is needed - fullLoft::loft will output one
if (!stat)
return stat;
// newSurf is the new surface object, but it has been packed
// into the datablock we created for it, and the data block
// is what we must put onto the plug.
stat = surfHandle.set( newSurfData );
PERRORfail("fullLoft::compute setting surface handle");
stat = data.setClean( plug );
PERRORfail("fullLoft::compute cleaning outputSurface plug");
}
else
{
return MS::kUnknownParameter;
}
return MS::kSuccess;
}
