added cgal-view-surface

include_directories(libs/lyra/include)

cmake_policy(SET CMP0074 NEW)

find_package(CGAL REQUIRED)

find_package(CGAL REQUIRED OPTIONAL_COMPONENTS Qt5)

target_link_libraries(cgal-mesher CGAL::CGAL)

target_link_libraries(cgal-mesher PUBLIC CGAL::CGAL)

if( CGAL_Qt5_FOUND )

    # add optional target

    add_executable(cgal-view-surface cgal-view-surface.cpp)

    target_compile_definitions(cgal-view-surface PUBLIC -DCGAL_USE_BASIC_VIEWER -DQT_NO_KEYWORDS)

    target_link_libraries(cgal-view-surface PUBLIC CGAL::CGAL_Qt5)

else()

    message("The Qt5 component of CGAL was not found, graphical targets will not be built.")

endif()

# FIXME: parallel mesher segfaults (inside cgal)

option(CGAL_ACTIVATE_CONCURRENT_MESH_3 "Activate parallelism in Mesh_3" OFF)

#include <CGAL/Simple_cartesian.h>

#include <CGAL/Surface_mesh.h>

#include <CGAL/draw_surface_mesh.h>

#include <fstream>

using Kernel = CGAL::Simple_cartesian<double>;

using Point = Kernel::Point_3;

using Mesh = CGAL::Surface_mesh<Point>;

int main(int argc, char* argv[])

{

    const char* filename = (argc>1) ? argv[1] : "";

    Mesh sm;

    if (!CGAL::IO::read_polygon_mesh(filename, sm)) {

        std::cerr << "Invalid input file." << std::endl;

        return EXIT_FAILURE;

    }

    CGAL::draw(sm);

    return EXIT_SUCCESS;

}