diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8e69e07
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/.idea
+
diff --git a/ClionDockerCentosGccToolchain.md b/ClionDockerCentosGccToolchain.md
index 569b52b..dbd44e6 100644
--- a/ClionDockerCentosGccToolchain.md
+++ b/ClionDockerCentosGccToolchain.md
@@ -2,7 +2,7 @@
 
 ## 新建容器
 
-```powershell
+```shell
 docker pull centos:7 # 获取centos7的镜像
 docker run -it -d --privileged=true --name centos -p 2222:22 centos:7 /usr/sbin/init # 启用内核权限 绑定容器ssh的22端口到主机的2222端口
 docker exec -it centos bash # 进入容器
diff --git a/Readme.md b/Readme.md
new file mode 100644
index 0000000..949a889
--- /dev/null
+++ b/Readme.md
@@ -0,0 +1,5 @@
+笔记本
+
++ [德劳内三角形数学公式](DVAlg.md)
++ [Clion配置Docker工具链](ClionDockerCentosGccToolchain.md)
++ [编译GDAL](build_gdal.md)
\ No newline at end of file
diff --git a/build_gdal.md b/build_gdal.md
new file mode 100644
index 0000000..f86c206
--- /dev/null
+++ b/build_gdal.md
@@ -0,0 +1,54 @@
+# 编译GDAL
+
+## 搭建编译环境
+
+```shell
+docker pull centos:centos7.5.1804
+docker run -it -d --name centos75 centos:centos7.5.1804
+docker exec -it centos75 bash
+```
+
+## 编译
+
+```shell
+# 安装一些依赖库
+yum install gcc gcc-c++ make libtiff libtiff-devel curl libcurl-devel java-1.8.0-openjdk java-1.8.0-openjdk-devel libtool ant swig
+
+# 解压
+tar -zxvf gdal-3.2.1.tar.gz
+tar -zxvf proj-7.2.1.tar.gz
+tar -zxvf sqlite-autoconf-3360000.tar.gz
+
+# 编译安装sqlite3
+cd sqlite-autoconf-3360000
+./configure --prefix=/usr/local/sqlite3
+make && make install
+# 配置 PKG_CONFIG_PATH 环境变量 否则编译proj找不到sqlite3
+export PKG_CONFIG_PATH=/usr/local/sqlite3/lib/pkgconfig/:$PKG_CONFIG_PATH
+
+# 编译安装proj
+cd ../proj-7.2.1
+./configure --prefix=/usr/local/proj-7.2.1
+make && make install
+export PKG_CONFIG_PATH=/usr/local/proj-7.2.1/lib/pkgconfig/:$PKG_CONFIG_PATH
+
+# 编译安装gdal
+cd ../gdal-3.2.1
+./configure --prefix=/usr/local/gdal-3.2.1 --with-java=/usr/lib/jvm/java/ --with-proj=/usr/local/proj-7.2.1/ --with-sqlite3=/usr/local/sqlite3
+make && make install
+# make 失败提示找不到 /usr/local/lib/libsqlite3.la 将 /usr/local/sqlite3/lib/libsqlite3.la 拷贝过去即可。然后执行 make clean 后再重新编译。
+
+# 修改java.opt文件中的 'JAVA_HOME' 变量为系统配置 此例为 /usr/lib/jvm/java/
+cd swig/java
+vi java.opt
+# 编译java用到的一些包
+make && make install
+cp .lib/*.so /usr/local/lib/
+cp gdal.jar $JAVA_HOME/jre/lib/ext/
+
+# 压缩生成文件以便于迁移
+cd /usr/local/
+tar -zcvf gdal-3.2.1.tar.gz gdal-3.2.1
+tar -zcvf proj-7.2.1.tar.gz proj-7.2.1
+tar -zcvf sqlite3.tar.gz sqlite3
+```
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