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#include <iostream> | |
#include <csg.hpp> | |
#include <meshing.hpp> | |
#include "test_geom.h" | |
int main(int argc, char *argv[]) { | |
std::shared_ptr<netgen::CSGeometry> geom = read_geometry("sphereincube.geo"); | |
// std::shared_ptr<netgen::CSGeometry> geom = build_geometry(); | |
std::cout << "Save " << std::endl; | |
geom->Save(std::cout); | |
std::cout << "MeshFile " << std::endl; | |
geom->SaveToMeshFile(std::cout); | |
std::shared_ptr<netgen::Mesh> mesh = std::make_shared<netgen::Mesh>(); | |
mesh->SetGeometry(geom); | |
geom->FindIdenticSurfaces(1e-8 * geom->MaxSize()); | |
netgen::MeshingParameters params; | |
params.maxh = .4; | |
params.minh = .1; | |
// // params.delaunay = 0; | |
// params.grading = 0.1; | |
geom->GenerateMesh(mesh, params); | |
std::cout << mesh->GetNP() << std::endl; | |
std::cout << mesh->GetNFD() << std::endl; | |
for (int k = 1; k <= mesh->GetNFD(); k++) { | |
netgen::FaceDescriptor &fd = mesh->GetFaceDescriptor(k); | |
std::cout << fd.GetBCName() << std::endl; | |
} | |
std::cout << "ok" << std::endl; | |
} |
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CXX ?= g++ | |
NETGEN_INC := $(NETGEN_DIR)/Resources/include/ | |
NETGEN_INC1 := $(NETGEN_DIR)/Resources/include/include | |
NETGEN_LIB := $(NETGEN_DIR)/MacOS | |
CXXFLAGS := -std=c++17 -O0 -g -fsanitize=address -I$(NETGEN_INC) -I$(NETGEN_INC1) | |
LDFLAGS := -L$(NETGEN_DIR)/MacOS -lcsg -lmesh -lngcore -fsanitize=address | |
SRCS := main.cc test_geom.cc | |
OBJS := ${SRCS:.cc=.o} | |
%.o: %.cc Makefile | |
$(CXX) $(CXXFLAGS) -c $< | |
prog: $(OBJS) | |
$(CXX) $(LDFLAGS) -o $@ $^ | |
run: prog | |
DYLD_LIBRARY_PATH=$(NETGEN_DIR)/MacOS:$(LD_LIBRARY_PATH) ./prog | |
dbg: prog | |
lldb -O "env DYLD_LIBRARY_PATH=$(NETGEN_DIR)/MacOS:$(LD_LIBRARY_PATH)" ./prog |
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#include "test_geom.h" | |
namespace netgen { | |
extern CSGeometry *ParseCSG(istream &istr, CSGeometry *instance = nullptr); | |
} | |
std::shared_ptr<netgen::CSGeometry> read_geometry(const std::string &fname) { | |
std::shared_ptr<netgen::CSGeometry> geom = | |
std::make_shared<netgen::CSGeometry>(); | |
std::ifstream file(fname); | |
netgen::ParseCSG(file, geom.get()); | |
file.close(); | |
geom->FindIdenticSurfaces(1e-8 * geom->MaxSize()); | |
return geom; | |
} | |
std::shared_ptr<netgen::CSGeometry> build_geometry() { | |
netgen::Point3d center(0., 0., 0.); | |
double radius = 1.; | |
netgen::Sphere *sphere_in = new netgen::Sphere(center, radius); | |
sphere_in->SetBCName("in"); | |
netgen::Solid *solid_in = new netgen::Solid(sphere_in); | |
solid_in->SetName("sphere_in"); | |
netgen::Sphere *sphere_out = new netgen::Sphere(center, 2 * radius); | |
sphere_in->SetBCName("out"); | |
netgen::Solid *solid_out = new netgen::Solid(sphere_out); | |
solid_out->SetName("sphere_out"); | |
netgen::Solid *hole = new netgen::Solid(netgen::Solid::SUB, solid_in); | |
netgen::Solid *solid = | |
new netgen::Solid(netgen::Solid::SECTION, solid_out, hole); | |
netgen::Solid *root = new netgen::Solid(netgen::Solid::ROOT, solid); | |
netgen::Flags flags; | |
std::shared_ptr<netgen::CSGeometry> geom = | |
std::make_shared<netgen::CSGeometry>(); | |
geom->AddSurfaces(sphere_in); | |
geom->AddSurfaces(sphere_out); | |
geom->SetSolid("Root", root); | |
geom->SetTopLevelObject(root); | |
geom->SetFlags("Root", flags); | |
geom->FindIdenticSurfaces(1e-8 * geom->MaxSize()); | |
return geom; | |
} |
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#pragma once | |
#include <csg.hpp> | |
std::shared_ptr<netgen::CSGeometry> read_geometry(const std::string &fname); | |
std::shared_ptr<netgen::CSGeometry> build_geometry(); |
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