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advgeom/brepsimplify/main.cxx

Refer to the BRep Simplification Example.

// ****************************************************************************
// $Id$
//
// Copyright (C) 2008-2014, Roman Lygin. All rights reserved.
// Copyright (C) 2014-2021, CADEX. All rights reserved.
//
// This file is part of the CAD Exchanger software.
//
// You may use this file under the terms of the BSD license as follows:
//
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// modification, are permitted provided that the following conditions are met:
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// this list of conditions and the following disclaimer.
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// ****************************************************************************
#include <cadex/LicenseManager_Activate.h>
#include <cadex/ModelData_Body.hxx>
#include <cadex/ModelData_BodyList.hxx>
#include <cadex/ModelData_BRepRepresentation.hxx>
#include <cadex/ModelData_Model.hxx>
#include <cadex/ModelData_ModelReader.hxx>
#include <cadex/ModelData_ModelWriter.hxx>
#include <cadex/ModelData_Part.hxx>
#include <cadex/ModelSimplifier_Simplifier.hxx>
#include <cadex/ModelSimplifier_SimplifierBuilder.hxx>
#include <iostream>
#include "../../cadex_license.cxx"
using namespace std;
using namespace cadex;
class FaceCounter : public ModelData_Model::VoidElementVisitor
{
public:
void operator() (const ModelData_Part& thePart) override
{
auto aBRep = thePart.BRepRepresentation();
const ModelData_BodyList& aBodyList = aBRep.Get();
for (ModelData_BodyList::SizeType i = 0; i < aBodyList.Size(); ++i) {
const ModelData_Body& aBody = aBodyList[i];
ModelData_Shape::Iterator aFaceIt (aBody, ModelData_ST_Face);
while (aFaceIt.HasNext()) {
aFaceIt.Next();
++myNumberOfFaces;
}
}
}
size_t NumberOfFaces () const
{
return myNumberOfFaces;
}
private:
size_t myNumberOfFaces = 0;
};
int main (int argc, char *argv[])
{
auto aKey = LicenseKey::Value();
// Activate the license (aKey must be defined in cadex_license.cxx)
if (!CADExLicense_Activate (aKey)) {
cerr << "Failed to activate CAD Exchanger license." << endl;
return 1;
}
if (argc != 3) {
cerr << "Usage: " << argv[0] << " <input_file> <output_file>, where:" << endl;
cerr << " <input_file> is a name of the ASIC file to be read" << endl;
cerr << " <output_file> is a name of the XML file to be saved" << endl;
return 1;
}
const char* aSource = argv[1];
const char* aDest = argv[2];
// Opening and converting the file
if (!aReader.Read (aSource, aModel)) {
cerr << "Failed to open and convert the file " << aSource << endl;
return 1;
}
// Basic info about model
FaceCounter aBeforeCounter;
aModel.Accept (aBeforeCounter);
cout << "Model name: " << aModel.Name() << endl;
cout << "# of faces before: " << aBeforeCounter.NumberOfFaces() << endl;
// Running the simplifier
aBuilder.SetLevel (ModelSimplifier_SimplifierBuilder::High);
aBuilder.SetFeatureSize (ModelSimplifier_SimplifierBuilder::Large);
ModelSimplifier_Simplifier aSimplifier = aBuilder.CreatePipeline();
ModelData_Model aNewModel = aSimplifier.Perform (aModel);
// How many shapes does simplified model contain?
FaceCounter anAfterCounter;
aNewModel.Accept (anAfterCounter);
cout << "# of faces after: " << anAfterCounter.NumberOfFaces() << endl;
// Saving the simplified model
if (!ModelData_ModelWriter().Write (aModel, aDest)) {
cerr << "Failed to write the file " << aDest << endl;
return 1;
}
return 0;
}
const Base_UTF16String & Name() const
Returns a model name.
Definition: ModelData_Model.cxx:252
Defines a root topological shape that can be owned by B-Rep representation.
Definition: ModelData_Body.hxx:27
Creates ModelSimplifier_Simplifier instance with pre-configured tools.
Definition: ModelSimplifier_SimplifierBuilder.hxx:31
void SetLevel(SimplificationLevel theValue)
Definition: ModelSimplifier_SimplifierBuilder.cxx:208
Provides CAD Exchanger data model.
Definition: ModelData_Model.hxx:40
Element visitor with empty implementation.
Definition: ModelData_Model.hxx:106
Reads any format that CAD Exchanger can import.
Definition: ModelData_ModelReader.hxx:31
bool Read(const Base_UTF16String &theFilePath, ModelData_Model &theModel)
Reads the file at the specified path into the specified model.
Definition: ModelData_ModelReader.cxx:118
Defines a list of bodies.
Definition: ModelData_BodyList.hxx:30
Writes any format that CAD Exchanger can export.
Definition: ModelData_ModelWriter.hxx:31
Provides an interface to the pipeline of B-Rep simplification tools.
Definition: ModelSimplifier_Simplifier.hxx:34
ModelSimplifier_Simplifier CreatePipeline() const
Creates ModelSimplifier_Simplifier instance with tools already added and configured according to high...
Definition: ModelSimplifier_SimplifierBuilder.cxx:190
ModelData_Model Perform(const ModelData_Model &theSource) const
Runs the simplification pipeline.
Definition: ModelSimplifier_Simplifier.cxx:75
Defines classes, types, and global functions related to CAD Exchanger.
Definition: A3DSTestLib.hxx:22
void Accept(ElementVisitor &theVisitor) const
Accepts a visitor.
Definition: ModelData_Model.cxx:535
Defines classes, types, and global functions related to standard C++ library.
ModelData_BRepRepresentation BRepRepresentation() const
Definition: ModelData_Part.cxx:343
void SetFeatureSize(SimplifiedFeatureSize theValue)
Definition: ModelSimplifier_SimplifierBuilder.cxx:228
Iterates over subshapes in a shape.
Definition: ModelData_Shape.hxx:40
Defines a leaf node in the scene graph hiearchy.
Definition: ModelData_Part.hxx:34