Read Mat File Labview

Mat files are written by matlab from the mathworks.

Read mat file labview. When you wish to access your data you first need to get it out of the structure just like you would get something out of the box before you can use it. The structure s is not your original data array but a container that contains your data array. The level 4 mat file format is a simpler format but it only supports two dimensional matrices and character strings. In labview data from your devices can be stored permanently to a text file in simple file i o function blocks.

If you want to export files to level 4 please make sure the description property of root begins with matlab 4 0 as the default export formats is level 5. Library for reading and writing matlab binary files aka mat files in labview. Currently works specifically with version 7 mat file format. Download mat file io library for labview for free.

Written in pure g labview source. In the matlab environment the save command allows you to save data in binary mat or ascii format. The level 5 mat file format supports all the array types supported in matlab versions 5 and up including multidimensional numeric arrays character arrays sparse arrays cell arrays structures and objects. You can create a text file open it write data to a text file read data from a file and after all this close a text file in labview as we will discuss shortly in this tutorial.

If filename has no extension that is no text after a period load looks for a file named filename mat if filename has an extension other than mat the load function treats. Name of file specified as a character vector or string scalar. Data to be processed in text files in of type string. And just like a box can contain something so can a structure hold your data.

Library for reading and writing matlab binary files aka mat files in labview. This dataplugin allows to import and export level 4 5 and 7 matlab files and directly read mat files. If you do not specify filename the load function searches for a file named matlab mat. For all versions of labview data transfer between the two environments can be performed by saving the data in a file using the matlab software and reading it directly from labview or vice versa.