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<html xmlns:mwsh="http://www.mathworks.com/namespace/mcode/v1/syntaxhighlight.dtd"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <!--This HTML is auto-generated from an M-file.To make changes, update the M-file and republish this document.--> <title></title> <meta name="generator" content="MATLAB"> <meta name="title" content="Data Viewer"> <meta name="description" content="Help for the dataviewer application. Direct questions to shirsch@mathworks.com. This is developed as a demonstration, and contains no warranty!"><style>body { background-color: white;}h1 { color: #990000; font-size: x-large;}h2 { color: #990000; font-size: medium;}p.footer { text-align: right; font-size: xx-small; font-weight: lighter; font-style: italic; color: gray;}pre.codeinput { margin-left: 30px;}span.keyword {color: blue}span.comment {color: green}span.string {color: #B20000}span.untermstring {color: purple}span.syscmd {color: orange}pre.showbuttons { margin-left: 30px; border: solid black 2px; padding: 4px; background: #EBEFF3;}pre.codeoutput { color: gray; font-style: italic;}pre.error { color: red;} </style></head> <body> <h1>Data Viewer</h1> <p>Help for the dataviewer application. Direct questions to <a href="mailto:shirsch@mathworks.com ">shirsch@mathworks.com</a>. This is developed as a demonstration, and contains no warranty! </p> <h2>Contents</h2> <ul> <li><a href="#1">Purpose</a></li> <li><a href="#2">Using the data viewer</a></li> <li><a href="#3">1. Launch the dataviewer</a></li> <li><a href="#4">2. Load a data file</a></li> <li><a href="#5">3. Plot some data</a></li> <li><a href="#6">4. Explore the data</a></li> <li><a href="#7">5. Analyze the data</a></li> <li><a href="#8">6. View data on multiple axes</a></li> <li><a href="#9">7. Clip the data set</a></li> <li><a href="#10">8. Create derived parameters</a></li> <li><a href="#11">9. Save for later</a></li> </ul> <h2>Purpose<a name="1"></a></h2> <p>The data viewer is a tool for interactive exploration of time series data. It was designed with flight test data in mind, but could be used for other applications. </p> <h2>Using the data viewer<a name="2"></a></h2> <h2>1. Launch the dataviewer<a name="3"></a></h2> <p>Ensure that the directory containing dataviewer is on your MATLAB path.</p> <p>>> dataviewer</p> <h2>2. Load a data file<a name="4"></a></h2> <ul> <li>File menu -> Load Data</li> <li>This will work with two file types:</li> <li> CSV files output from Veridian Omega</li> <li> .mat files which have been created using readmessycsv (included) from above CSV files</li> <li>A list of all parameters in the file will be shown underneath the heading "Parameters"</li> </ul> <h2>3. Plot some data<a name="5"></a></h2> <ul> <li>Select the parameter you would like to plot, using the left mouse button.</li> <li>Right-click and drag the parameter to the axes the the right of the parameter list.</li> <li>You can select multiple parameters using Shift (for consecutive parameters) or Ctrl (for non-consecutive parameters).</li> </ul> <h2>4. Explore the data<a name="6"></a></h2> <p>Using the buttons along the top of the window, you can interactively explore and annotate your data.</p> <ul> <li>The first button enables zooming. This uses a custom zoom that links all axes. It's a bit flakey - if you turn off zoom while zoomed in, you will not be able to zoom all of the way out again. </li> <li>The second button enables data labels. Click on a line to label it's value at a specific point. Drag the marker along the line to see new values. Reposition the text label by dragging it. Right click to delete. </li> <li>The third button enables event labeling. Click on a plot to add text. This is really flakey - be sure to turn it off when you don't need it. </li> </ul> <h2>5. Analyze the data<a name="7"></a></h2> <ul> <li>Right click on a plotted line to perform additional analyis.</li> <li>Resulting labels can be repositioned with the left mouse button (this is a bit flakey).</li> <li>Anything added to the plot can be deleted by right-clicking on it.</li> </ul> <h2>6. View data on multiple axes<a name="8"></a></h2> <ul> <li>Use the combobox at the bottom left to change the number of axes (either click on the arrows or type in a number between 1 and 4). </li> <li>Drag parameters to the axes on which you would like them plotted.</li> <li>Drag one axes to another to switch their positions.</li> </ul> <h2>7. Clip the data set<a name="9"></a></h2> <ul> <li>Use zoom so that only the region of interest is in view.</li> <li>Turn off zoom.</li> <li>Click the "Clip Data Set" button to crop your data to only that which is visible. Further analysis (max/min, etc) will be based on this limited set. </li> <li>This is destructive! You will lose the rest of your data until you reload.</li> </ul> <h2>8. Create derived parameters<a name="10"></a></h2> <ul> <li>Click the "Create Derived Parameters" button.</li> <li>Type a valid MATLAB expression in the dialog box.</li> <li>Use the items from the parameter list as your parameters (case matters!).</li> <li>Be sure to use .* when multiplying multiple series.</li> <li>Result of expression must be same length as input(s).</li> <li>Drag derived parameters to axes to plot.</li> <li>Further analysis on derived parameters is not yet supported!!!! Any use of the context menu on a derived parameter will most likely cause an error!!! </li> </ul> <h2>9. Save for later<a name="11"></a></h2> <ul> <li>File menu -> Save Figure to save for later</li> <li>File menu -> Load Figure to recall a saved figure.</li> </ul> <p class="footer"><br></p> <!--##### SOURCE BEGIN #####%% Data Viewer
% Help for the dataviewer application. Direct questions to
% shirsch@mathworks.com. This is developed as a demonstration, and contains no
% warranty!
%% Purpose
% The data viewer is a tool for interactive exploration of time series
% data. It was designed with flight test data in mind, but could be used
% for other applications.
%% Using the data viewer
%% 1. Launch the dataviewer
% Ensure that the directory containing dataviewer is on your MATLAB path.
%
% >> dataviewer
%% 2. Load a data file
% * File menu -> Load Data
% * This will work with two file types:
% * CSV files output from Veridian Omega
% * .mat files which have been created using readmessycsv (included)
% from above CSV files
% * A list of all parameters in the file will be shown underneath the heading
% "Parameters"
%% 3. Plot some data
% * Select the parameter you would like to plot, using the left mouse
% button.
% * Right-click and drag the parameter to the axes the the right of the
% parameter list.
% * You can select multiple parameters using Shift (for consecutive
% parameters) or Ctrl (for non-consecutive parameters).
%% 4. Explore the data
% Using the buttons along the top of the window, you can interactively
% explore and annotate your data.
%
% * The first button enables zooming. This uses a custom zoom that links
% all axes. It's a bit flakey - if you turn off zoom while zoomed in, you
% will not be able to zoom all of the way out again.
% * The second button enables data labels. Click on a line to label it's
% value at a specific point. Drag the marker along the line to see new
% values. Reposition the text label by dragging it. Right click to
% delete.
% * The third button enables event labeling. Click on a plot to add text.
% This is really flakey - be sure to turn it off when you don't need it.
%% 5. Analyze the data
% * Right click on a plotted line to perform additional analyis.
% * Resulting labels can be repositioned with the left mouse button (this
% is a bit flakey).
% * Anything added to the plot can be deleted by right-clicking on it.
%% 6. View data on multiple axes
% * Use the combobox at the bottom left to change the number of axes
% (either click on the arrows or type in a number between 1 and 4).
% * Drag parameters to the axes on which you would like them plotted.
% * Drag one axes to another to switch their positions.
%% 7. Clip the data set
% * Use zoom so that only the region of interest is in view.
% * Turn off zoom.
% * Click the "Clip Data Set" button to crop your data to only that which
% is visible. Further analysis (max/min, etc) will be based on this limited
% set.
% * This is destructive! You will lose the rest of your data until you
% reload.
%% 8. Create derived parameters
% * Click the "Create Derived Parameters" button.
% * Type a valid MATLAB expression in the dialog box.
% * Use the items from the parameter list as your parameters (case
% matters!).
% * Be sure to use .* when multiplying multiple series.
% * Result of expression must be same length as input(s).
% * Drag derived parameters to axes to plot.
% * Further analysis on derived parameters is not yet supported!!!! Any use
% of the context menu on a derived parameter will most likely cause an
% error!!!
%% 9. Save for later
% * File menu -> Save Figure to save for later
% * File menu -> Load Figure to recall a saved figure.
##### SOURCE END #####--> </body></html>?? 快捷鍵說明
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