Re: [ferret_users] reverse a 3-D variable vertically

To: Changshui Xia <xiacs@xxxxxxxxxx>

Subject: Re: [ferret_users] reverse a 3-D variable vertically

From: Ryo Furue <furue@xxxxxxxxxx>

Date: Thu, 29 Mar 2018 11:43:29 +0900

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Hi Changshui

I have a 3-D variable in netcdf file such temp[:,:,KB], Kb=51, I want reverse temp[:,:,KB] vertically, such as

temp_new[:,:,1]=temp[:,:,51]

temp_new[:,:,2]=temp[:,:,50]

temp_new[:,:,3]=temp[:,:,49]

.....

temp_new[:,:,50]=temp[:,:,2]

temp_new[:,:,51]=temp[:,:,1]

You would get a better help if you describe what results you currently get and what's wrong with them. In other words, what do you ultimately want to accomplish? For example, if your plot is upside down, there may be better ways to flip the vertical axis than flipping the array. Your "temp" variable may have a wrong (or suboptimal) vertical axis in the first place.

Ryo