Here is a video about global NDVI change from 1981-2006.
The video starts from July, 1981.
Each frame represents half a month, using data from GIMMS.
You can watch it with browser supports html5.
Read More »An animation of global NDVI change from 1981-2006
总算搭好了这个静态博客，之前尝试了Jekyll与Jekyllbootstrap，还是不够给力，总是出现各种莫名的问题，总结下这个博客的搭建过程(Linux/Ubuntu 环境)：
Read More »Linux/Ubuntu下Octopress博客搭建过程
GDAL库是一个开源的、方便读写处理栅格数据的C++库，
（当然也支持Python, Perl, Ruby, R, Java, C#等语言）
在Linux/Ubuntu下从源代码安装过程如下：
Read More »在Linux/Ubuntu下从源代码安装GDAL库
Just finished a c++ program to compute NDVI from MODIS/HDF4 file
Written in c++, depends on GDAL(Geospatial Data Abstraction Library)
Source code can be downloaded HERE
Read More »A program compute NDVI from MODIS/HDF4 file