cgal之编写Cmakelists.txt

CMakelists.txt的编写 

cmake_minimum_required(VERSION 3.20)
project(cgal_test)

set(CMAKE_BUILD_TYPE "Release")
#set(CGAL_DIR /home/ancy/WorkSpace/Install/cgal/lib/cmake/CGAL)
set(CGAL_DATA_DIR "/home/ancy/WorkSpace/Sources/cgal/Data/data")
find_package(CGAL REQUIRED)
find_package(CGAL COMPONENTS Qt5 Core)
if(CGAL_Qt5_FOUND)
    add_definitions(-DCGAL_USE_BASIC_VIEWER)

endif()

add_executable(main main.cpp)
target_link_libraries(main

        CGAL::CGAL
        CGAL::CGAL_Qt5
        CGAL::CGAL_Basic_viewer
        )

测试代码

#include 
#include 
#include 
#include 
#include 

typedef CGAL::Exact_predicates_inexact_constructions_kernel K;

typedef K::Point_3 Point_3;

typedef CGAL::Surface_mesh Surface_mesh;
int main(int argc, char* argv[]) {

    // 定义 Surface_mesh 对象
    Surface_mesh mesh;
    // 读取 PLY 文件
    std::ifstream input("/home/ancy/Downloads/mesh(1).ply");
    CGAL::IO::read_PLY(input, mesh);
    if (!input ||  mesh.is_empty())
    {
        std::cerr << "Error: Unable to read the PLY file or the mesh is empty." << std::endl;
        return 1;
    }

    // 可视化
    CGAL::draw(mesh);

    return EXIT_SUCCESS;
}