打开一个图像文件，该程序可分离计算出RGB中G(绿色）成分较大的像素所占的比例，通常用于农作物持绿性的测定-A VB Progrom used for mearuring Green ratio of a Picture

C#编写的GeoTiff程序，程序中内容完整，经过调试，可作为研究地学人员的参考资料-The objectives of the reader are to understand how to add the raster layer to the map control, how to manipulate the raster symbology, how to get the raster information, and how to join the cursor to the loc