使用Eigen3的CGAL程序编译错误

如何解决使用Eigen3的CGAL程序编译错误

我想为OpenGR使用CGAL包装器来注册两个点云(reference.ply和1.ply),然后编写了以下简单程序(基本上是从CGAL OpenGR示例进行复制):

#include <CGAL/Simple_cartesian.h>
#include <CGAL/IO/read_ply_points.h>
#include <CGAL/IO/write_ply_points.h>
#include <CGAL/property_map.h>
#include <CGAL/Aff_transformation_3.h>

#include <CGAL/OpenGR/compute_registration_transformation.h>
#include <fstream>
#include <iostream>
#include <utility>
#include <vector>

typedef CGAL::Simple_cartesian<double> K;
typedef K::Point_3 Point_3;
typedef K::Vector_3 Vector_3;
typedef std::pair<Point_3,Vector_3> Pwn;
typedef CGAL::First_of_pair_property_map<Pwn> Point_map;
typedef CGAL::Second_of_pair_property_map<Pwn> Normal_map;

namespace params = CGAL::parameters;

int main(int argc,const char** argv) {
    const char* fname1 = "data/reference.ply";
    const char* fname2 = "data/1.ply";
    std::vector<Pwn> pwns1,pwns2;
    std::ifstream input(fname1);
    if (!input ||
        !CGAL::read_ply_points(input,std::back_inserter(pwns1),CGAL::parameters::point_map(CGAL::First_of_pair_property_map<Pwn>()).
            normal_map(Normal_map())))
    {
        std::cerr << "Error: cannot read file " << fname1 << std::endl;
        return EXIT_FAILURE;
    }
    input.close();
    input.open(fname2);
    if (!input ||
        !CGAL::read_ply_points(input,std::back_inserter(pwns2),CGAL::parameters::point_map(Point_map()).
            normal_map(Normal_map())))
    {
        std::cerr << "Error: cannot read file " << fname2 << std::endl;
        return EXIT_FAILURE;
    }
    input.close();

    std::cerr << "Computing registration transformation using OpenGR Super4PCS.." << std::endl;
    // First,compute registration transformation using OpenGR Super4PCS                                                                
    K::Aff_transformation_3 res =
        std::get<0>( // get first of pair,which is the transformation                                                                  
            CGAL::OpenGR::compute_registration_transformation
            (pwns1,pwns2,params::point_map(Point_map()).normal_map(Normal_map()),params::point_map(Point_map()).normal_map(Normal_map()))
            );
    return EXIT_SUCCESS;
}

当我使用cmake创建的Makefile编译程序时发生错误,并且有很多涉及到Eigen库的错误(错误很长):

senyangjiang@senyangjiang-MS-7A38:~/Desktop/dev_compare/cgal_compare/build$ make
Scanning dependencies of target compare
[ 50%] Building CXX object CMakeFiles/compare.dir/compare.cpp.o
/home/senyangjiang/Desktop/dev_compare/OpenGR/3rdparty/Eigen/Eigen/src/Core/Product.h:29:127: error: no type named ‘ReturnType’ in ‘struct Eigen::ScalarBinaryOpTraits<float,double,Eigen::internal::scalar_product_op<float,double> >’
   29 |   typedef typename ScalarBinaryOpTraits<typename traits<LhsCleaned>::Scalar,typename traits<RhsCleaned>::Scalar>::ReturnType Scalar;
      |                                                                                                                               ^~~~~~
home/senyangjiang/Desktop/dev_compare/OpenGR/3rdparty/Eigen/Eigen/src/Core/DenseBase.h:83:17: error: no members matching ‘Eigen::DenseBase<Eigen::Product<Eigen::Ref<const Eigen::Matrix<float,-1,-1> >,Eigen::Homogeneous<Eigen::Matrix<double,3,1>,0>,0> >::Base {aka Eigen::DenseCoeffsBase<Eigen::Product<Eigen::Ref<const Eigen::Matrix<float,0>}::coeff’ in ‘Eigen::DenseBase<Eigen::Product<Eigen::Ref<const Eigen::Matrix<float,0> >::Base’ {aka ‘class Eigen::DenseCoeffsBase<Eigen::Product<Eigen::Ref<const Eigen::Matrix<float,0>’}
   83 |     using Base::coeff;
      |                 ^~~~~
/home/senyangjiang/Desktop/dev_compare/OpenGR/3rdparty/Eigen/Eigen/src/Core/DenseBase.h:84:17: error: no members matching ‘Eigen::DenseBase<Eigen::Product<Eigen::Ref<const Eigen::Matrix<float,0>}::coeffByOuterInner’ in ‘Eigen::DenseBase<Eigen::Product<Eigen::Ref<const Eigen::Matrix<float,0>’}
   84 |     using Base::coeffByOuterInner;
      |                 ^~~~~~~~~~~~~~~~~
/home/senyangjiang/Desktop/dev_compare/OpenGR/3rdparty/Eigen/Eigen/src/Core/DenseBase.h:85:26: error: no members matching ‘Eigen::DenseBase<Eigen::Product<Eigen::Ref<const Eigen::Matrix<float,0>}::operator()’ in ‘Eigen::DenseBase<Eigen::Product<Eigen::Ref<const Eigen::Matrix<float,0>’}
   85 |     using Base::operator();
      |                          ^
/home/senyangjiang/Desktop/dev_compare/OpenGR/3rdparty/Eigen/Eigen/src/Core/DenseBase.h:86:26: error: no members matching ‘Eigen::DenseBase<Eigen::Product<Eigen::Ref<const Eigen::Matrix<float,0>}::operator[]’ in ‘Eigen::DenseBase<Eigen::Product<Eigen::Ref<const Eigen::Matrix<float,0>’}
   86 |     using Base::operator[];
      |                          ^
/home/senyangjiang/Desktop/dev_compare/OpenGR/3rdparty/Eigen/Eigen/src/Core/DenseBase.h:87:17: error: no members matching ‘Eigen::DenseBase<Eigen::Product<Eigen::Ref<const Eigen::Matrix<float,0>}::x’ in ‘Eigen::DenseBase<Eigen::Product<Eigen::Ref<const Eigen::Matrix<float,0>’}
   87 |     using Base::x;
      |                 ^
/home/senyangjiang/Desktop/dev_compare/OpenGR/3rdparty/Eigen/Eigen/src/Core/DenseBase.h:88:17: error: no members matching ‘Eigen::DenseBase<Eigen::Product<Eigen::Ref<const Eigen::Matrix<float,0>}::y’ in ‘Eigen::DenseBase<Eigen::Product<Eigen::Ref<const Eigen::Matrix<float,0>’}
   88 |     using Base::y;
      |                 ^
/home/senyangjiang/Desktop/dev_compare/OpenGR/3rdparty/Eigen/Eigen/src/Core/DenseBase.h:89:17: error: no members matching ‘Eigen::DenseBase<Eigen::Product<Eigen::Ref<const Eigen::Matrix<float,0>}::z’ in ‘Eigen::DenseBase<Eigen::Product<Eigen::Ref<const Eigen::Matrix<float,0>’}
   89 |     using Base::z;
      |                 ^
/home/senyangjiang/Desktop/dev_compare/OpenGR/3rdparty/Eigen/Eigen/src/Core/DenseBase.h:90:17: error: no members matching ‘Eigen::DenseBase<Eigen::Product<Eigen::Ref<const Eigen::Matrix<float,0>}::w’ in ‘Eigen::DenseBase<Eigen::Product<Eigen::Ref<const Eigen::Matrix<float,0>’}
   90 |     using Base::w;
      |                 ^
... more errors like this
/home/senyangjiang/Desktop/dev_compare/OpenGR/3rdparty/Eigen/Eigen/src/Core/AssignEvaluator.h:834:3: error: static assertion failed: YOU_MIXED_DIFFERENT_NUMERIC_TYPES__YOU_NEED_TO_USE_THE_CAST_METHOD_OF_MATRIXBASE_TO_CAST_NUMERIC_TYPES_EXPLICITLY
  834 |   EIGEN_CHECK_BINARY_COMPATIBILIY(Func,typename ActualDstTypeCleaned::Scalar,typename Src::Scalar);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
make[2]: *** [CMakeFiles/compare.dir/build.make:63: CMakeFiles/compare.dir/compare.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:76: CMakeFiles/compare.dir/all] Error 2
make: *** [Makefile:84: all] Error 2

我可以通过更改代码来解决错误

typedef CGAL::Simple_cartesian<double> K;

typedef CGAL::Simple_cartesian<float> K;

换句话说,将double更改为float。但是由于精度更高,我更喜欢使用double,还有其他方法可以解决该错误吗?

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