中科院培训IDL的源代码下载，很好的学习材料

The program is in IDL that can be used to convert the RGb in to the grayscale image and process acourdingly

利用IDL程序读取以HDF文件格式存放的卫星数据资料，可以提取数组.-Using IDL program to read HDF file format to store the satellite data, the array can be extracted.

直接读取hdf数据的idl程序包.我用在读取ace卫星的磁场数据上。-EASY READ/EXTRACT HDF DATA IN IDL The Example IDL Program below, along with the associated IDL functions from Ed Santiago, show how one can simply and quickly extract data from an HDF file(s).