How to go from 3D Array to 2D Array

[roboticstudent]

How does one go from 3D array to 2D array?

Examples?

[johnsold]

Do you want a 2D subset of the 3D array? If so, use the Array Subset function.

If you want to change the shape of the array while retaining all the data, use the Reshape Array function?

If you want somethnig else, please provide more details (like a small example).

Lynn

[smercurio_fc]

Depends on what you're trying to do. If you just want one of the pages, use Index Array and wire just to the first index to select which "page" of the 3D array you want. The output will be a 2D array. Or, you can use the Reshape Array function. Wire the 3D array to it, and expand it to add another dimension so you can specify the number of rows and columns, and you'll get a 2D array. Check the documentation for more detail.

<After post edit> Sorry for the duplicate answer. Previous reply was posted right before I clicked the "Submit Post".

Message Edited by smercurio_fc on 03-06-2006 11:29 AM

[roboticstudent]

Thanks for replying.

I have attached what I have done so far.

[johnsold]

You are trying to insert a 3D array into a 2D array. The Help for the Insert into Array specifies that the dimension of the inserted element or subarray must have the same number of dimensions as the main array or fewer.

Please explain exactly what you are trying to do.

Lynn

[roboticstudent]

How would I do a 2D subset of the 3D array example I have for you.

Thanks.

[johnsold]

Your post did not include the 3D array VI so I substituted 3 nested for loops to generate a test array. The attached shows some of the ways to manipulate arrays. Read the help files and experiment a bit to get what you want.

Lynn

[roboticstudent]

I figured it out. It was so simple. Sorry for the silly question.

[johnsold]

If you don't understand something, please ask. The silly question is the one no one bothered to ask.

Lynn

[roboticstudent]

Okay. Thanks for the encouragement. 

Is there a way to sort information in ascending/descending order using the subvi in my example below.

Attached subvi.