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| R2012a Documentation → Simulink | |
Learn more about Simulink |
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| Contents | Index |
| On this page… |
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Introduction to the Model Explorer Customizing the Model Explorer Interface |
Use the Model Explorer to quickly view, modify, and add elements of Simulink models, Stateflow charts, and workspace variables. The Model Explorer provides several ways for you to focus on specific elements (for example, blocks, signals, and properties) without your having to navigate through the model diagram or chart.
To open the Model Explorer, use one of these approaches:
From the Simulink model editor View menu,
select Model Explorer or select the Model
Explorer icon
from the toolbar.
In an open model in the Simulink model editor, right-click a block and from the context menu, select Explore.
In an open Stateflow chart, right-click in the drawing area and from the context menu, select Explore.
At the MATLAB command line, enter daexplr.
By default, the Model Explorer opens with three panes (Model Hierarchy, Contents, and Dialog), a main toolbar, and a search bar.
| Component | Purpose | Documentation |
|---|---|---|
| Main toolbar | Execute Model Explorer commands | The Main Toolbar |
| Search bar | Perform a search within the context of the selected node in Model Hierarchy pane. | The Model Explorer: Search Bar |
| Model Hierarchy pane | Navigate and explore model, chart, and workspace nodes | The Model Explorer: Model Hierarchy Pane |
| Contents pane | Display and modify model or chart objects | The Model Explorer: Contents Pane |
| Dialog pane | View and change the details of object properties | The Model Explorer: Dialog Pane |
The main toolbar at the top of the Model Explorer provides buttons you click to perform Model Explorer operations. Most of the toolbar buttons perform actions that you can also perform using Model Explorer menu items.
The toolbar buttons in the following table perform actions that you cannot perform using Model Explorer menus:
| Button | Usage |
|---|---|
 | Bring the MATLAB desktop to the front. |
 | Display the Simulink Library Browser. |
If you have Simulink Verification and Validation installed, you can use additional toolbar buttons relating to requirements links.
You can use the Model Explorer to add many kinds of objects to a model, chart, or workspace. The types of objects that you can add depend on what node you select in the Model Hierarchy pane. Use toolbar buttons or the Add menu to add objects. The Add menu lists the kinds of objects you can add.
You can customize the Model Explorer interface in several ways. This section describes how to show or hide the main toolbar and how to control the font size.
Other ways you can customize the Model Explorer interface include:
To show or hide the main toolbar, in the Model Explorer select View > Toolbars > Main Toolbar.
You can change the font size in the Model Explorer panes:
To increase the font size, press the Ctrl + Plus Sign (+).
Alternatively, from the Model Explorer View menu, select Increase Font Size.
To decrease the font size, press the Ctrl + Minus Sign (-).
Alternatively, from the Model Explorer View menu, select Decrease Font Size.
Note The changes remain in effect for the Model Explorer and in the Simulink dialog boxes across Simulink sessions. |
Use the Model Explorer to perform a wide range of activities relating to viewing and changing model and chart elements. You can perform activities in any order, using panes in the order you choose. Your actions in one pane often affect other panes.
For example, if you want to edit properties of objects in a model, you might use a general workflow such as:
Open a model.
Open the Model Explorer.
Select the model in the Model Hierarchy pane.
Control what model information the Contents pane displays, and how it displays that information, by using a combination of:
The View > Column View option to control which property columns to display
The View > Row Filter option to control which types of objects to display
Techniques to directly manipulate column headings
Identify model elements with specific values, using the search bar.
Edit the values for model elements, in either the Contents pane or the Dialog pane.
As you explore a model or chart, you might want to narrow the contents that you see in the Model Explorer to particular elements of a model or chart. You can use several different techniques. The following table summarizes techniques for controlling what content the Model Explorer displays and how the contents appear.
| Technique | When to Use | Documentation |
|---|---|---|
Use the Row Filter option | To focus on, or hide, a specific kind of a model object, such as signals | |
Search | To find objects that might not be currently displayed | |
Filter contents | To focus on specific objects in the Contents pane, based on a search string |
Once you have the general set of data that you are interested in, you can use the following techniques to organize the display of contents.
| Technique | When to Use | Documentation |
|---|---|---|
Sort | To quickly organize data for a property in ascending or descending order | |
Group by property column | To logically group data based on values for a property | |
Use column views | To display a named subset of property columns to apply to different kinds of nodes in the Model Hierarchy pane | |
Add, delete, or rearrange property table columns | To customize property columns |
 | Exploring, Searching, and Browsing Models | The Model Explorer: Model Hierarchy Pane |  |
Learn more about Simulink through this collection of videos, articles, technical literature and the Getting Started with Simulink Guide.
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