[daip] task MOMNT

[Eric Greisen]

Violette Impellizzeri wrote:
> Dear Eric,
>  thanks for your suggestions! I tried using comb and setjy to multiply 
> the line data by -1, but in both cases I was not sure how to proceed.
> When using comb, I think there is no way to just multiply the third axis 
> by -1. I tried using opcode 'SUMM' and aparm(1) -1, it won't work if I 
> do not load a second image. Is there another way of doing this? Or how 
> do I rescale?
> Also, you mentioned creating optical depth images, would I do that in comb?
>
Use the verb RESCALE to multiply an image by -1.

Use the task COMB to compute an optical depth image.

Use the task COMB to subtract a contiuum image from a line cube, then 
use the verb RESCALE to reverse the sign.

ERic Greisen