An Iges File Reading and Writing Example

Overview

This tutorial introduces the basic usage of the AMCAX IGES module.

Iges example 1

Import the header files

#include <iges/IgesIO.hpp>

Read TopoShape from iges/igs file

AMCAX::TopoShape ts;
AMCAX::IGES::IgesIO::Read(ts, "./iges/test.igs");

Write TopoShape to iges/igs file

AMCAX::IGES::IgesIO::Write(ts, "./iges/test1.igs");

Appendix

The complete code of this sample is listed here:

#include <iges/IgesIO.hpp>
 
void test_all()
{
    AMCAX::TopoShape ts;
    if (AMCAX::IGES::IgesIO::Read(ts, "./iges/test.igs"))
        if (!ts.IsNull())
            AMCAX::IGES::IgesIO::Write(ts, "./iges/test1.igs");
}
int main()
{
    test_all();
}

Iges example 2

Import the header files

#include <iges/IgesIO.hpp>

Read Label from iges/igs file

Currently only supports parsing Name attributes with length <= 8 bytes. Any excess portion will be truncated.

AMCAX::Label lb;
AMCAX::IGES::IgesIO::Read(lb, "./data/test.igs");

Also supports input data streams.

AMCAX::Label lb;
std::ifstream file("./iges/test.igs");
AMCAX::IGES::IgesIO::Read(lb, file);

Appendix

The complete code of this sample is listed here:

#include <iges/IgesIO.hpp>
 
void demo1()
{
    AMCAX::Label lb;
    bool ret = AMCAX::IGES::IgesIO::Read(lb, "./iges/test.igs");
    if (!ret || lb.IsNull())
    {
        std::cout << "File reading failed or the label is null" << std::endl;
    }
}
 
void demo2(std::istream& ist)
{
    AMCAX::Label lb;
    bool ret = AMCAX::IGES::IgesIO::Read(lb, ist);
    //then the label is the model read from the iStream
    if (!ret || lb.IsNull())
    {
        std::cout << "File reading failed or the label is null" << std::endl;
    }
}
int main()
{
    demo1();
    std::ifstream file("./iges/test.igs");
    demo2(file);  
}