mapnik2.1地图渲染引擎代码 mapnik是一个免费的地图开发工具。由C++编写，与python绑定支持快速敏捷的开发。-mapnik2.1 map render engine sourcecode. Mapnik is a Free Toolkit for developing mapping applications. It is written in modern C++ and has Python bindings that support fast-paced agil

ArcGIS开发手顺快捷学习，基础知识，敏捷开发手册-ArcGIS Developer quick hands along the learning the basics of agile development manual

用labview cvi实现画板，用起来比较灵活-Labview cvi realize with the position of the point, it is more agile