摘要： 在ENVI\IDL 下图像重采用是用Resize_doit 函数。该函数能用来改变图像的大小和对图像重采样。该函数有个参数RFACT。RFACTUse this keyword to specify a two-element array holding the rebin factors for x and y. The values of RFACT reflect the IDL convention for resizing data. A value of 1 does not change the size of the data. Values less than 1 cause 阅读全文