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occt/src/RWStepVisual/RWStepVisual_RWCoordinatesList.cxx
gka 5df609e75d 0026827: Position and orientation for GD&T frames
Implementation of graphical annotations of the PMI read from STEP
2016-03-04 07:30:38 +03:00

116 lines
3.8 KiB
C++

// Created on: 2015-10-29
// Created by: Irina KRYLOVA
// Copyright (c) 2015 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <Interface_Check.hxx>
#include <Interface_EntityIterator.hxx>
#include <RWStepVisual_RWCoordinatesList.hxx>
#include <StepData_StepReaderData.hxx>
#include <StepData_StepWriter.hxx>
#include <StepRepr_RepresentationItem.hxx>
#include <StepVisual_HArray1OfPresentationStyleAssignment.hxx>
#include <StepVisual_PresentationStyleAssignment.hxx>
#include <StepVisual_CoordinatesList.hxx>
#include <TColgp_HArray1OfXYZ.hxx>
#include <gp_XYZ.hxx>
//=======================================================================
//function : RWStepVisual_RWCoordinatesList
//purpose :
//=======================================================================
RWStepVisual_RWCoordinatesList::RWStepVisual_RWCoordinatesList () {}
//=======================================================================
//function : ReadStep
//purpose :
//=======================================================================
void RWStepVisual_RWCoordinatesList::ReadStep
(const Handle(StepData_StepReaderData)& data,
const Standard_Integer num,
Handle(Interface_Check)& ach,
const Handle(StepVisual_CoordinatesList)& ent) const
{
// Number of Parameter Control
if (!data->CheckNbParams(num, 3, ach, "coordinate list")) return;
// Inherited field : name
Handle(TCollection_HAsciiString) aName;
data->ReadString (num, 1, "name", ach, aName);
Standard_Integer nbP =0;
data->ReadInteger(num, 2, "number_points", ach,nbP);
Handle(TColgp_HArray1OfXYZ) aPoints;// = new TColgp_HArray1OfXYZ(1, nbP);
Standard_Integer nsub2;
if (data->ReadSubList (num,3,"items",ach,nsub2))
{
Standard_Integer nb2 = data->NbParams(nsub2);
if( !nb2)
return;
aPoints = new TColgp_HArray1OfXYZ(1, nb2);
for (Standard_Integer i = 1; i <= nb2; i++)
{
gp_XYZ aXYZ(0.,0.,0.);
Standard_Integer nsub3;
if (data->ReadSubList (nsub2,i,"coordinates",ach,nsub3)) {
Standard_Integer nb3 = data->NbParams(nsub3);
if(nb3 > 3) {
ach->AddWarning("More than 3 coordinates, ignored");
}
Standard_Integer nbcoord = Min (nb3, 3);
for (Standard_Integer j = 1; j <= nbcoord; j++) {
Standard_Real aVal =0.;
if (data->ReadReal (nsub3,j,"coordinates",ach,aVal)) {
aXYZ.SetCoord(j, aVal);
}
}
}
aPoints->SetValue(i, aXYZ);
}
}
//--- Initialisation of the read entity ---
ent->Init(aName, aPoints);
}
//=======================================================================
//function : WriteStep
//purpose :
//=======================================================================
void RWStepVisual_RWCoordinatesList::WriteStep
(StepData_StepWriter& SW, const Handle(StepVisual_CoordinatesList)& ent) const
{
// Inherited field : name
SW.Send(ent->Name());
// Own field : npoints
SW.Send(ent->Points()->Length());
// Own field : position_coords
SW.OpenSub();
for (Standard_Integer i = 1; i <= ent->Points()->Length(); i++) {
SW.OpenSub();
gp_XYZ aPoint = ent->Points()->Value(i);
SW.Send(aPoint.X());
SW.Send(aPoint.Y());
SW.Send(aPoint.Z());
SW.CloseSub();
}
SW.CloseSub();
}