IDL中添加COLORBAR的函数。IDL中添加色标条需要由命令行编写。这个函数可方便添加COLORBAR.,IDL to add COLORBAR function. IDL add color need to be prepared by the command line. This function can be easily added COLORBAR.

这是IDL语言中用于做Color bar的小程序，使用很方便，只需直接调用就行-This is the IDL language used to do the Color bar applet, very easy to use, simply a direct call on the line

imhist(I,n) displays a histogram with n bins for the intensity image I above a grayscale colorbar of length n. If you omit the argument, imhist uses a default value of n = 256 if I is a grayscale image, or n = 2 if I is a binary image. imhist(X,