Matlab legend how to#
Matlab legend code#

You can change the order of the next two function calls % which provides the line and marker appearance for the corresponding legend entry. Plot LineSmoothing property LineSmoothing is a hidden and undocumented plot line property that creates anti-aliased (smooth unpixelized) lines in Matlab plots. % We 'plot' a invisible dummy point (NaN values are not visible in plots), Transparent legend Matlab chart legends are opaque be default but can be made semi- or fully transparent. Check this link for more information about the text() function.To control the appearance of legend entries, plot points that have values which are NaN then pass the objects returned by plot and an array of labels to the legend function ( NaN points are not visible in the plot, but appear in the legend). You can also put multiple strings in the same box by making a cell array of the strings. Bug and workaround in timeseries plot Matlab's internal hgconvertunits function has a bug that affects timeseries plots. Simply plot the variable and then select the coordinates from the plot and then use the text () function to place the text on the selected coordinates. Plot legend customization Matlab plot legends and their internal components can be customized using a variety of undocumented properties that are easily accessible. You need to pass the x and y coordinate on which you want to place the text. We can also use the text () function to add text to the plot. Tex = text(95,0.8,' Cosine','FontSize',18,'Color','g','EdgeColor','y') Add Custom Legends Using the text () Function in MATLAB. Now letвЂ™s add a blue line before the text and a black box around the text and the line. For example, letвЂ™s plot a cosine wave and put some text on it with font size 18 and red color. You can also change the properties of the text like the font size using the FontSize property and the color using the Color property etc. If you give the coordinates which donвЂ™t lie on the plot, you wonвЂ™t be able to see the text.

Matlab legend code#

This code can be downloaded from Github or the MatlabCentral File Exchange. The legend reflects the visibility of graphics objects in the axes. If a legend exists, then the legend function updates the existing legend. Simply plot the variable and then select the coordinates from the plot and then use the text() function to place the text on the selected coordinates. This function requires Matlab R14 or later. Recalling the legend function does not reset legend properties, such as the location or orientation. We can also use the text() function to add text to the plot. Add Custom Legends Using the text() Function in MATLAB Check this link for more information about the legend() function. You can add as many legends as you want on a figure you just have to add more plots with undefined values on the same figure.

In the above code, we added three legends on a cosine wave plot, and you can see they are not related to the plot. For example, letвЂ™s add custom legends to a cosine wave plot. You will not see the plots because their values are undefined, but you will see the legends.

So to add custom legends that do not have any relation with the graph, you have to add more plots on the figure with undefined values, and then you can add more legends. If you try to add more than one legend using this function, MATLAB will give an error. But the problem is it only adds one legend on one plot.

The legend() function is used to add legends to a plot in MATLAB. Add Custom Legends Using the legend() Function in MATLAB

Matlab legend how to#

In this tutorial, we will discuss how to add custom legends to the plot using the legend() and text() function in MATLAB.

Add Custom Legends Using the text() Function in MATLAB.

legend positions the legend based on a variety of factors, such as what objects the legend obscures. MATLAB displays only one legend per axes. You can leave a response, or trackback from your own site. You can follow any responses to this entry through the RSS 2.0 feed. This entry was posted on Wednesday, November 16th, 2011 at 4:44 am and is filed under code. By default, the legend annotates the current axes. Tags: figure, legend, matlab, newline, string.

Add Custom Legends Using the legend() Function in MATLAB legend associates strings with the objects in the axes in the same order that they are listed in the axes Children property.