batch_tif_outpic

利用纽约路网数据计算输入任意两点的经纬度输出最短路径的PLSQL算法(Using the New York road network data to calculate the latitude and longitude of any two points, the PLSQL algorithm is used to output the shortest path.)

说明：  Python 基于vtk模块实现stl文件的读取并可视化(Python reads and visualizes STL files based on VTK module)

说明：  实现了贪吃蛇小游戏功能，没有使用pygame模块(Realize the function of greedy Snake game)

用C#编写的批量删除MapGIS简单要素类的代码，如果想学MapGIS开发，这个代码很常用。(C# prepared by the bulk delete MapGIS simple feature class code, if you want to learn MapGIS development, this code is very common.)

一个简单的爬虫程序。1、 打开百度网页 2、将网页HTML转化成utf-8格式存入文件 baidu.txt 3、获取网页中的所有a标签对象 ，将对象指向的链接地址抓取出来(A simple crawler program. 1. Open the Baidu web page 2, convert the web page HTML into UTF-8 format and store the file baidu.txt 3. Get all the a tag objects in the web page and grab the linked addresses of the objects.)

解非线性方程组，使用python语言，两种方法解决非线性方程组，对比分析性能(Solving the non-linear equations, using Python language, two methods to solve the non-linear equations, comparative analysis of performance)

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specgram画时频图.ipynb

基于MapX的GPS车辆监控的源码 GIS编程(MapX-based GPS vehicle monitoring source GIS Programming)

说明：  The siprtmp module implements a SIP-RTMP gateway. Please see the google code project for details on demo instructions and support information. The project description is contained in siprtmp.py file itself. The command line of siprtmp is same as rtmp, hence just replce rtmp by siprtmp in the following example to start the gateway.