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Origin Project (OPJ) Files

Origin Project file icon

Save all your work in one convenient file.

The Origin Project (OPJ) file can contain one or more child windows, as well as analysis results and attached files. This includes workbooks, graph windows, matrix books, layout and notes windows, as well as analysis results reported to the Results Log. Origin's ability to store so many windows and files in one file make the Origin OPJ an effective method for creating and delivering custom graphing and analysis projects.

In addition, the OPJ offers the following benefits:

  • Pick up where you left off: Since all of your work - data, graphs, analysis results, notes, and more - can be saved to the OPJ at any time, you can close the OPJ, then re-open it at a later time and continue your work right where you left off.

  • Share your work with colleagues: With all your data, graphs, analysis results, and notes stored in the OPJ, the file becomes a highly portable format that you can easily share with your colleagues. In addition, the ability to attach files to the OPJ allows you to share any scripts and documentation you used while performing your graphing and analysis work, making it easy for your colleagues to review and test your work or take over where you left off.

Origin worksheet with dose response data, graph with dose response fit, and notes window with dose  response curve fit parameters
Origin's OPJ can contain any number of child windows, including worksheets, graphs, and notes windows.

Organize your work

Windows stored in an OPJ can be organized by window type, experiment, or whatever hierarchical structure you desire using a Windows-style, folder-based interface called Project Explorer.

Project Explorer - Origin's project organizer and management tool
Organize the data, graphs, notes and results in your OPJ with Project Explorer

In addition, you can expand or restrict the number of child windows that are displayed in the Origin workspace by changing the viewing mode. Selections include viewing the windows in the 'active folder', viewing the windows in the 'active folder and subfolders', or viewing 'none'.

Launching Origin with Origin.OPJ

Origin includes the option to open the default workspace with "Origin.OPJ" loaded. This feature allows you to set up a project template for processing your data much more quickly. For instance, you could create a simple project template that makes it easier to perform repetitive graphing operations. Or, you could set up an Analysis Template™.

Including an OPJ in an OPX

Applications created for Origin, such as those found in the OriginLab File Exchange, can be packed into an Origin Pack (OPX, formerly OPK) file and shared with other users. The OPX is designed to automatically install its contents when dragged and dropped onto the Origin workspace. If an application you have written utilizes an OPJ, that OPJ can be included in the OPX file, too. A simple dialog is provided to manage, pack, and unpack OPX files.

Origin Pack Utility for OPX files

Pack applications to share with your colleagues using the Origin Pack tool. Include OPJ files in your OPX, such as a sample file so others can test your tool.

Basic OPJ Operations

Of course, Origin's OPJ supports all the basic operations one would expect. This includes the ability to open, close, save, and back up an OPJ. You can also append one OPJ to another or save a portion of an OPJ to a separate OPJ file.

Furthermore, individual child windows can be saved separately to the following file types:

  • OGG - Origin Graph
  • OGW - Origin Worksheet
  • OGM - Origin Matrix
  • TXT - Notes

These can then be opened in any OPJ. To continue learning about Origin's ease-of-use features, click here.

 

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