National Instruments BridgeVIEW User Manual download pdf (Page 292)

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Chapter 14 Arrays, Clusters, and Graphs

Build Array function (Functions»Array)—You can use it to create an

array from scalar values or from other arrays. Initially, the Build Array

function appears with one scalar input.

You can add as many inputs as you need to the Build Array function, and

each input can be either a scalar or an array. To add more inputs, pop up on

the left side of the function and select Add Element Input or Add Array

Input. You also can enlarge the Build Array node with the Resizing cursor

(place the Positioning tool at the corner of an object to transform it into the

Resizing cursor). You can remove inputs by shrinking the node with the

Resizing cursor, or by selecting Remove Input.

The following illustration shows two ways to create and initialize arrays

with values from block diagram constants. On the left, five string constants

are built into a 1D array of strings. On the right, three groups of numeric

constants are built into three, 1D numeric arrays. Then, the three arrays are

combined into a 2D numeric array. The result is a 3 x 3 array with the rows

3, 4, 7; –1, 6, 2; and 5, –2, 8.

You also can create an array by combining other arrays along with scalar

elements. For example, suppose you have two arrays and three scalar

elements that you want to combine into a new array with the order array 1,

scalar 1, scalar 2, array 2, and scalar 3.

Initialize Array

Use this function to create an array whose elements all have the same value.

In the following illustration, this function creates a 1D array.

The element input determines the data type and the value of each element.

The dimension size input determines the length of the array. For example,

Array of

Strings

2D Array

of Numbers

1 2 ... 287 288 289 290 291 292 293 294 295 296 297 ... 454 455

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National Instruments BridgeVIEW User Manual Page 292

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