HowtouseGui__sinMatLab

7/27/2019 HowtouseGui__sinMatLab

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How to create GUI's in

MatLAB

Rigo Dicochea


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Introduction

Graphical User Interface (GUI)

MatLab provides Graphical User InterfaceDevelopment Environment(GUIDE)

A MatLab tool used to create GUIs

Decide between using GUIDE or writing thecode from scratch

GUIs give the user a simplified experiencerunning a program

Associates a function(s) with components ofthe GUI


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Graphical User Interface

GUI should be consistent and easily understood.

Provide the user with the ability to use a program

without having to worry about commands to runthe actual program

Possible components of a GUI

Pushbuttons

Sliders List boxes

Menus.etc

Sam le GUI


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3 Essential Characteristics

Components

Graphical Components

pushbuttons, edit boxes, sliders, labels, menus, etc

Static Components

Frames, text strings,

Both are created using the function uicontrol

Figurescomponents are contained in figures CallbacksThe functions which perform the

required action when a component is pushed


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GUIDE Properties

Allows the user to drag and drop componentsthat he/she wants in the layout area of the GUI

All guide GUIs start with an opening function Callback is performed before user has access to GUI

Saving automatically generates an .m file and .figfile

.fig contains the binary GUI layout and .mcontains the code that controls the GUI


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Assessing the Value of Your GUI

Ask yourself two basic questions when designingyour GUI.

Do the users always know where they are?

Do they always know where to go next?

Constantly answering these two questions willhelp you keep in perspective the goal of yourGUI.


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Callback Editor

The meat of the GUI process

Opening function is first callback in every

guide generated GUI Usually used to generate data used in GUI

Callbacks define what will happen when a

figure component is selected Must write CODE!!!!


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GUI EXAMPLE

Utilize functions

Surf, Mesh, Contour

Types of plots performed on data in example

Peaks

peaks is a function of two variables, obtained by translating

and scaling Gaussian distributions

Membrane

Sinc

sinc computes the sinc function of an input vector or array,

where the sinc function is


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Summary

At command prompt type guide

After laying out your GUI in the layour editor

Define data in Opening Function

Edit/Align your components using

Tools Menu

Align

View menu

Property Inspector

Write the Callbacks

This is the most difficult aspect when creating GUIs


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Where to Get More Information

http://www.mathworks.com/products/matlab/

www.google.com

http://www.mathworks.com/access/helpdesk/help/techdoc/ref/peaks.html

http://www.mathworks.com/matlabcentral/fileexchange/loadFile.do?objectId=5439&objectType=file

http://www.mathworks.com/access/helpdesk/help/techdoc/creating_guis/creating_guis.html?BB=1

Daniel Kellerthanks for taking time to help!
http://www.mathworks.com/products/matlab/http://www.mathworks.com/access/helpdesk/help/techdoc/ref/peaks.htmlhttp://www.mathworks.com/access/helpdesk/help/techdoc/ref/peaks.htmlhttp://www.mathworks.com/matlabcentral/fileexchange/loadFile.do?objectId=5439&objectType=filehttp://www.mathworks.com/matlabcentral/fileexchange/loadFile.do?objectId=5439&objectType=filehttp://www.mathworks.com/matlabcentral/fileexchange/loadFile.do?objectId=5439&objectType=filehttp://www.mathworks.com/matlabcentral/fileexchange/loadFile.do?objectId=5439&objectType=filehttp://www.mathworks.com/matlabcentral/fileexchange/loadFile.do?objectId=5439&objectType=filehttp://www.mathworks.com/matlabcentral/fileexchange/loadFile.do?objectId=5439&objectType=filehttp://www.mathworks.com/access/helpdesk/help/techdoc/ref/peaks.htmlhttp://www.mathworks.com/access/helpdesk/help/techdoc/ref/peaks.htmlhttp://www.mathworks.com/products/matlab/

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HowtouseGui__sinMatLab