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build/
.DS_Store

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cmake_minimum_required(VERSION 3.15.2)
# 设置工程名称和语言
project(TETGEN)
message(STATUS "Platform: " ${CMAKE_HOST_SYSTEM_NAME})
if(${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Windows")
#set(CMAKE_C_COMPILER gcc)
#set(CMAKE_CXX_COMPILER g++)
set(CMAKE_INSTALL_PREFIX D:/Library)
endif()
message(STATUS "Install prefix: " ${CMAKE_INSTALL_PREFIX})
# 添加源文件地址
add_subdirectory(src/)

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TetGen License
--------------
TetGen is distributed under a dual licensing scheme. You can
redistribute it and/or modify it under the terms of the GNU Affero
General Public License as published by the Free Software Foundation,
either version 3 of the License, or (at your option) any later
version. A copy of the GNU Affero General Public License is reproduced
below.
If the terms and conditions of the AGPL v.3. would prevent you from
using TetGen, please consider the option to obtain a commercial
license for a fee. These licenses are offered by the Weierstrass
Institute for Applied Analysis and Stochastics (WIAS). As a rule,
licenses are provided "as-is", unlimited in time for a one time
fee. Please send corresponding requests to:
tetgen@wias-berlin.de. Please do not forget to include some
description of your company and the realm of its activities.
=====================================================================
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This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public
License along with this program. If not, see
<http://www.gnu.org/licenses/>. Also add information on how to
contact you by electronic and paper mail.
If your software can interact with users remotely through a computer
network, you should also make sure that it provides a way for users to
get its source. For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code. There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for
the specific requirements.
You should also get your employer (if you work as a programmer) or
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. For more information on this, and how to apply and follow
the GNU AGPL, see <http://www.gnu.org/licenses/>.

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This is TetGen version 1.5.1 (released on August, 2018)
Please see the documentation of TetGen for compiling and using TetGen.
It is available at the following link:
http://www.tetgen.org
For more information on this product, contact :
Hang Si
Research Group of Numerical Mathematics and Scientific Computing
Weierstrass Institute for Applied Analysis and Stochastics
Mohrenstr. 39
10117 Berlin, Germany
Phone: +49 (0) 30-20372-446 Fax: +49 (0) 30-2044975
EMail: <si@wias-berlin.de>
Web Site: http://www.wias-berlin.de/~si
------------------- IMPORTANCE NOTICE -----------------------------
BEFORE INTALLING OR USING TetGen(R) READ the
GENERAL LICENSE TERMS AND CONDITIONS
-------------------------------------------------------------------
------------------- IMPORTANCE NOTICE -----------------------------
This package is organized and distributed by Dr. Yi Zhang.
It is distributed under the TetGen License
Phone: +86 180-7279-5431
E-mail: zhangyiss@icloud.com
Address: Yuquan Campus, Zhejiang University,
38 Zheda Road, Hangzhou 310027, China
Note that source files in the lib/ and tool/ directories are identical
to each other except that the tetgen.h file in the lib/ directory has
the TETLIBRARY macro defined.
-------------------------------------------------------------------

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#!/bin/bash
cmd=${1}
package=tetgen
address=/opt/stow
targetdir=/usr/local
if [[ ${cmd} == "configure" && ! -d "build/" ]]; then
mkdir build && cd build && cmake .. -DCMAKE_INSTALL_PREFIX=${address}/${package} -DCMAKE_BUILD_TYPE=Release
elif [[ ${cmd} == "configure" ]]; then
cd build && rm -rf * && cmake .. -DCMAKE_INSTALL_PREFIX=${address}/${package} -DCMAKE_BUILD_TYPE=Release
elif [[ ${cmd} == "build" ]]; then
cd build && make
elif [[ ${cmd} == "install" ]]; then
cd build && sudo make install
sudo stow --dir=${address} --target=${targetdir} ${package}
fi

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# 设定源文件文件夹
aux_source_directory(lib TETGENLIB_SRC)
# 设置编译选项
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2")
# 以下部分为库的编译
# 注意目标名必须唯一 所以不能直接生成相同名称的动态库与静态库
# 注意此处不必为目标名称添加lib前缀和相应后缀，cmake会自行添加
add_library(tetlib SHARED ${TETGENLIB_SRC})
# 首先添加静态库的生成命令
add_library(tetlib_static STATIC ${TETGENLIB_SRC})
# 设置编译选项 将源代码编译为动态与静态库
# 设置静态库的输出名称从而获得与动态库名称相同的静态库
set_target_properties(tetlib PROPERTIES OUTPUT_NAME "tetgen")
set_target_properties(tetlib_static PROPERTIES OUTPUT_NAME "tetgen")
# 设置输出目标属性以同时输出动态库与静态库
set_target_properties(tetlib PROPERTIES CLEAN_DIRECT_OUTPUT 1)
set_target_properties(tetlib_static PROPERTIES CLEAN_DIRECT_OUTPUT 1)
# 设置动态库的版本号
set_target_properties(tetlib PROPERTIES VERSION 1.5.1 SOVERSION 1.5.1)
# 设置库文件的输出地址
set(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/lib)
# 库的安装命令
if(WIN32)
install(TARGETS tetlib DESTINATION lib)
install(TARGETS tetlib_static DESTINATION lib)
else()
install(TARGETS tetlib tetlib_static
LIBRARY DESTINATION lib
ARCHIVE DESTINATION lib)
endif()
# 头文件安装命令
install(FILES lib/tetgen.h DESTINATION include)
# 设置可执行文件的输出地址
set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)
# 以下为可执行命令行工具的编译
# 设定源文件文件夹
aux_source_directory(tool TETGEN_SRC)
# 添加可执行文件
add_executable(tetgen ${TETGEN_SRC})
# 命令行工具安装命令
install(TARGETS tetgen RUNTIME DESTINATION sbin)
# 以下部分为例子程序的编译
# 添加可执行文件
add_executable(tetcall sample/tetcall.cxx)
# 为安装文件添加动态库的搜索地址 在Windows下并没有什么用 直接忽略
set_target_properties(tetcall PROPERTIES INSTALL_RPATH ${CMAKE_INSTALL_PREFIX}/lib)
# 链接动态库
target_link_libraries(tetcall PUBLIC tetlib)

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///////////////////////////////////////////////////////////////////////////////
// //
// tetcall.cxx //
// //
// An example of how to call TetGen from another program by using the data //
// type "tetgenio" and function "tetrahedralize()" of TetGen libaray. //
// //
// In order to run this example, you need the library of TetGen, you can get //
// the source code as well as the user's manul of TetGen from: //
// //
// http://tetgen.berlios.de/index.html //
// //
// Section 2 of the user's manual contains the information of how to compile //
// TetGen into a libaray. //
// //
// The geometry used in this example (illustrated in Section 3.3 .1, Figure //
// 12 of the user's manual) is a rectangluar bar consists of 8 points and 6 //
// facets (which are all rectangles). In additional, there are two boundary //
// markers defined on its facets. //
// //
// This code illustrates the following basic steps: //
// - at first create an input object "in", and set data of the geometry //
// into it. //
// - then call function "tetrahedralize()" to create a quality mesh of the //
// geometry with output in another object "out". //
// In addition, It outputs the geometry in the object "in" into two files //
// (barin.node and barin.poly), and outputs the mesh in the object "out" //
// into three files (barout.node, barout.ele, and barout.face). These files //
// can be visualized by TetView. //
// //
// To compile this code into an executable program, do the following steps: //
// - compile TetGen into a library named "libtet.a" (see Section 2.1 of //
// the user's manula for compiling); //
// - Save this file into the same directory in which you have the files //
// "tetgen.h" and "libtet.a"; //
// - compile it using the following command: //
// //
// g++ -o test tetcall.cxx -L./ -ltet //
// //
// which will result an executable program named "test". //
// //
// Please send your quesions, comments to Hang Si <si@wias-berlin.de> //
// //
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// //
// main() Create and refine a mesh using TetGen library. //
// //
///////////////////////////////////////////////////////////////////////////////
#include "../lib/tetgen.h" // Defined tetgenio, tetrahedralize().
int main(int argc, char *argv[])
{
tetgenio in, out;
tetgenio::facet *f;
tetgenio::polygon *p;
int i;
// All indices start from 1.
in.firstnumber = 1;
in.numberofpoints = 8;
in.pointlist = new REAL[in.numberofpoints * 3];
in.pointlist[0] = 0; // node 1.
in.pointlist[1] = 0;
in.pointlist[2] = 0;
in.pointlist[3] = 2; // node 2.
in.pointlist[4] = 0;
in.pointlist[5] = 0;
in.pointlist[6] = 2; // node 3.
in.pointlist[7] = 2;
in.pointlist[8] = 0;
in.pointlist[9] = 0; // node 4.
in.pointlist[10] = 2;
in.pointlist[11] = 0;
// Set node 5, 6, 7, 8.
for (i = 4; i < 8; i++) {
in.pointlist[i * 3] = in.pointlist[(i - 4) * 3];
in.pointlist[i * 3 + 1] = in.pointlist[(i - 4) * 3 + 1];
in.pointlist[i * 3 + 2] = 12;
}
in.numberoffacets = 6;
in.facetlist = new tetgenio::facet[in.numberoffacets];
in.facetmarkerlist = new int[in.numberoffacets];
// Facet 1. The leftmost facet.
f = &in.facetlist[0];
f->numberofpolygons = 1;
f->polygonlist = new tetgenio::polygon[f->numberofpolygons];
f->numberofholes = 0;
f->holelist = NULL;
p = &f->polygonlist[0];
p->numberofvertices = 4;
p->vertexlist = new int[p->numberofvertices];
p->vertexlist[0] = 1;
p->vertexlist[1] = 2;
p->vertexlist[2] = 3;
p->vertexlist[3] = 4;
// Facet 2. The rightmost facet.
f = &in.facetlist[1];
f->numberofpolygons = 1;
f->polygonlist = new tetgenio::polygon[f->numberofpolygons];
f->numberofholes = 0;
f->holelist = NULL;
p = &f->polygonlist[0];
p->numberofvertices = 4;
p->vertexlist = new int[p->numberofvertices];
p->vertexlist[0] = 5;
p->vertexlist[1] = 6;
p->vertexlist[2] = 7;
p->vertexlist[3] = 8;
// Facet 3. The bottom facet.
f = &in.facetlist[2];
f->numberofpolygons = 1;
f->polygonlist = new tetgenio::polygon[f->numberofpolygons];
f->numberofholes = 0;
f->holelist = NULL;
p = &f->polygonlist[0];
p->numberofvertices = 4;
p->vertexlist = new int[p->numberofvertices];
p->vertexlist[0] = 1;
p->vertexlist[1] = 5;
p->vertexlist[2] = 6;
p->vertexlist[3] = 2;
// Facet 4. The back facet.
f = &in.facetlist[3];
f->numberofpolygons = 1;
f->polygonlist = new tetgenio::polygon[f->numberofpolygons];
f->numberofholes = 0;
f->holelist = NULL;
p = &f->polygonlist[0];
p->numberofvertices = 4;
p->vertexlist = new int[p->numberofvertices];
p->vertexlist[0] = 2;
p->vertexlist[1] = 6;
p->vertexlist[2] = 7;
p->vertexlist[3] = 3;
// Facet 5. The top facet.
f = &in.facetlist[4];
f->numberofpolygons = 1;
f->polygonlist = new tetgenio::polygon[f->numberofpolygons];
f->numberofholes = 0;
f->holelist = NULL;
p = &f->polygonlist[0];
p->numberofvertices = 4;
p->vertexlist = new int[p->numberofvertices];
p->vertexlist[0] = 3;
p->vertexlist[1] = 7;
p->vertexlist[2] = 8;
p->vertexlist[3] = 4;
// Facet 6. The front facet.
f = &in.facetlist[5];
f->numberofpolygons = 1;
f->polygonlist = new tetgenio::polygon[f->numberofpolygons];
f->numberofholes = 0;
f->holelist = NULL;
p = &f->polygonlist[0];
p->numberofvertices = 4;
p->vertexlist = new int[p->numberofvertices];
p->vertexlist[0] = 4;
p->vertexlist[1] = 8;
p->vertexlist[2] = 5;
p->vertexlist[3] = 1;
// Set 'in.facetmarkerlist'
in.facetmarkerlist[0] = -1;
in.facetmarkerlist[1] = -2;
in.facetmarkerlist[2] = 0;
in.facetmarkerlist[3] = 0;
in.facetmarkerlist[4] = 0;
in.facetmarkerlist[5] = 0;
// Output the PLC to files 'barin.node' and 'barin.poly'.
in.save_nodes("barin");
in.save_poly("barin");
// Tetrahedralize the PLC. Switches are chosen to read a PLC (p),
// do quality mesh generation (q) with a specified quality bound
// (1.414), and apply a maximum volume constraint (a0.1).
tetrahedralize("pq1.414a0.1", &in, &out);
// Output mesh to files 'barout.node', 'barout.ele' and 'barout.face'.
out.save_nodes("barout");
out.save_elements("barout");
out.save_faces("barout");
return 0;
}

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