Secondary axis with twinx(): how to add to legend? Right-click the graph window and click Properties to enter or change the text of the legend title. x = linspace (0,pi); y1 = cos (x); plot (x,y1, 'DisplayName', 'cos (x)' ) hold on y2 = cos (2*x); plot (x,y2, 'DisplayName', 'cos (2x)' ) hold off legend. Question: 1. Does a vice president retain their tie breaking vote in the senate during an impeachment trial if it is the vice president being impeached? Other MathWorks country sites are not optimized for visits from your location. If you didn't create these variables (i.e. should handle this fine. Why is it so hard to build crewed rockets/spacecraft able to reach escape velocity? Savitzky-Golay Filters. How to change legend size with matplotlib.pyplot, Adding legend manually to R/ggplot2 plot without interfering with the plot. Title . Luckily, MATLAB/Octave include the legend() function which provide some flexible and easy-to-use options for generating legends. Making statements based on opinion; back them up with references or personal experience. The legend's title. This can be done with the property Position, that is part of the hidden property NodeChildren, of the legend title. The main problem is with its position - it doesn't seem to have such a property, so once set I can't move it. Why can I not install Keynote on my MacbookPro? Did "Antifa in Portland" issue an "anonymous tip" in Nov that John E. Sullivan be “locked out” of their circles because he is "agent provocateur"? Learn more about . your legend is outside the data axes) then you can stop here. This means that your first string 'signal1' is assigned to the plot for signal1 and the second string 'signal2' is assigned to the vertical line. You have two possibilities to fix this problem. After all, in HG1 (R2014a and earlier), a legend was a simple wrapper around a standard Matlab axes. My plot has 10 curves, I use legend to represent them,but legend only used 7 colours,after 7 colours, it repeats the colours...which is confusing to fing the plot curve needed. MATLAB displays only one legend per axes. Dear all, I have been trying to make a figure with an odd number of subplots and the last subplot space would be dedicated to the legend. You may receive emails, depending on your. You'll note that by smoothing the data, the extreme values were somewhat clipped. MATLAB also lets you add titles to various parts of the plot. I can think of some similar hacks by myself (like using text with the position of the legend), but my situation is very complicated, and I already configure the legend a lot and have several axes in every figure. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. If we look at it just after creation of the legend we get: Which is where we see the legend in the question. Add a title with the value of sin(π)/2. Is it safe to use RAM with a damaged capacitor? '); },mat2cell(repmat(repelem(new_pos(2:end). Then, add a legend. matlab plots as movie with legend. plot Command. Legend; text/description before key/colour? If not, continue to read... We could set the background color to white: hleg.Title.NodeChildren.BackgroundColor =. Thus, I prefer a simple and working solution that rely on the original functionality of the legend title. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. In the code written below, for example, I need three columns in the legend so this would have two rows lines and three column lines. Adding text and legend. Expert Answer . Depending on the size of figure, MATLAB may or may not choose tick marks to your liking. But it doesn't look good because the background is only for the text box, and is not aligned with the legend box. If we look at it just after the creation of the legend we get: Which is where we see the legend in the question. If wo_f8, wo_f9, wo_f10, ... wo_f20 are variables you created then the advice given above is what I would also recommend. As well in the same legend I have entries which shouldn't be interpreted by 'latex': Spot a possible improvement when reviewing a paper. Print a conversion table for (un)signed bytes. The strings defined in the legend command are assigned in order of the plots being generated. Simon shared a nice, easy-to-use function to create multi-column figure labels. This does not answer my question because the whole problem starts with needing 2 outputs from the legend command. Asking for help, clarification, or responding to other answers. How to setup self hosting with redundant Internet connections? With this option, you can include the second output from the legend call. What was the name of this horror/science fiction story involving orcas/killer whales? Sounds simple enough. 'hold on' holds the plot but does not overwrite the existing data and only adds to it. I think the title to legend is supported in MATLAB verison 2016. The legend function in Matlab creates a legend in the current axes of the current figure. You can give your plot a title (with the title command), x-axis label (with the xlabel command), y-axis label (with the ylabel command), and put text on the actual plot. The most direct answer to the problem in the question is to set the position of the legend title back to its place. Fundamentals for modifying graphs; Feedback on this topic? How could I change their properties otherwise? I found the answer after some research of the undocumented properties of the legend. Assign the Legend object to the variable lgd. The plot command in MATLAB help to create two-dimensional plots. Do I keep my daughter's Russian vocabulary small or not? My true case is much more complicated: As you can clearly see, something is wrong with the upper legend title. The source code for the included examples can be found in the GitHub repository. It takes more effort (because we need to calculate the right position for all elements), but it can be done in the following way: % the addition in height needed for the title: title_hight = hleg.Position(4)/numel(plots); hleg.Position([2 4]) = [hleg.Position(2)-title_hight hleg.Position(4)+title_hight]; % calculate new position for the elements in the legeng: new_pos = fliplr(0.5/(numel(plots)+1):1/(numel(plots)+1):1); hleg.Title.NodeChildren.Position = [0.5 new_pos(1) 0]; txt_pos = cell2mat({leg_txt.Position}. Then, use lgd to change the properties using dot notation. Plot legends are essential for properly annotating your figures. The title of your question references legends and then the quesitons references titles. The code above is also generalized for more the one data series, although I guess that there are cases where this will fail to give the right solution and will need some fine tunings. x1 = linspace(0,5); ... Run the command by entering it in the MATLAB Command Window. Draw 3-phase Sine Wave Graph Using Matlab With "hold On”, “legend" And "title" As Shown Right Side Of Equation. Default is the default fontsize. How to set the title, legend-entries, and axis-titles in MATLAB ® . I found the answer after some research of the undocumented properties of the legend. Continuing from Example 2 What does a faster storage device affect? Learn more about common legend, subplot, best position, best graphic interface MATLAB Another thing that may be important for your plots is labeling. So I prefer to enlarge the legend box to include the title and move the legend attributes down to make some space. Is italicizing parts of dialogue for emphasis ever appropriate? NOTE: Functionality similar to this File Exchange entry was added to MATLAB in R2018a.See the NumColumns Property to legend.. Today's Pick is another that is an author's first submission to the File Exchange. I am using matlab to convert a signal into a spectrogram which I then save as a png image file. I do not want to waste space and time on re-labeling the figures. First, for some reason, it makes it invisible, but that is already solved in the code above. The User Will Input The Value Of A The Values Of V1, V2 And V3 Vl=axsin(a) [ Title VI, Color Red] V2=axsin(a+120.) matlab,plot,legend,movie. You could create a function if you need to do it multiple times. Why doesn't ionization energy decrease from O to F or F to Ne? your coworkers to find and share information. Measured in font-size units. So I prefer to enlarge the legend box to include the title and move the legend attributes down to make some space. I am aware of this compatibility consideration and know how to manipulate the legend object, but it does not provide enough flexibility for my needs. Enter the text you want to use in the Title of Graph legend. The main problem is with its position - it doesn't seem to have such a property, so once set I can't move it. That's nice, but definitely a too complicated workaround for a simple result. Choose a web site to get translated content where available and see local events and offers. Now we can move it back to its correct place with: Here I placed it at the center of the horizontal axis (x = 0.5), above the vertical axis (y = 1.5), and the depth axis is irrelevant so it's zero (z = 0): If you are not bothered by the option that the legend will interfere with the data, (e.g. First, for some reason, it makes it invisible, but that is already solved in the code above. Caution! In this article, I cover the basic use of the legend() function, as well as some special cases that I tend to use regularly.. Find the treasures in MATLAB Central and discover how the community can help you! Specify the legend labels during the plotting commands by setting the DisplayName property to the desired text. embedding variable values in plot title/legend. By default, the legend annotates the current axes. Let me know in the comments if this also works for other versions of Matlab. Further I have a problem, if more than one legend entry with dot. ', numel(plots)),1,2),ones(numel(plots)*2,1),2)). Click Apply or OK. Related Topics. This can be done with the property Position, that is part of the hidden property NodeChildren, of the legend title. your legend is outside the data axes) then you can stop here. Learn more about legend, r2014b MATLAB figure legend MATLAB subplot title. The strings defined in the legend command are assigned in order of the plots being generated. Black Lives Matter. Previous question Next question Transcribed Image Text from this Question. This is what I came up with using Matlab 2019a: Somehow, asking for the att output of the legend interfere with its' title. My true case is much more complicated: As you can clearly see, something is wrong with the upper legend title. rev 2021.1.15.38327, Stack Overflow works best with JavaScript enabled, Where developers & technologists share private knowledge with coworkers, Programming & related technical career opportunities, Recruit tech talent & build your employer brand, Reach developers & technologists worldwide. please solve it using matlab and I want plot title, x axis label, y axis label, marker, text label, line color and legend (if the legend found) Show transcribed image text. Plots are useful in providing information in picture view and MATLAB provides the facility for creating a plot using plot command. offers a workaround using legend properties (see "Returning multiple outputs is not recommended"). You can also provide labels for the x-axis using xlabel() and for the y-axis using ylable().The point is that you have full control over the appearance of the plot. matlab plots as movie with legend. MATLAB: Legend title won’t display correctly. Default is no title (None). borderpad: float or None. title on legend 2014b. Thus, I prefer a simple and working solution that rely on the original functionality of the legend title. The following code is the most Minimal, Complete, and Verifiable example that I could find. These can change again when the figure is saved. The goal isn't clear to me. Does installing mysql-server include mysql-client as well? The main problem is with its position - it doesn't seem to have such a property, so once set I can't move it. matlab,plot,legend,movie. Thanks for contributing an answer to Stack Overflow! Perhaps the very useful site 'Undocumented Matlab' will have some tips, starting with the blog entry. title(legend,'FUNCTIONS’) This is how our input and output will look like in MATLAB console: Code: A = 2*pi : pi/500 : 3*pi b = cos (A) c = sin (A) figure plot (A, b, A, c) legend({'sin(A)','cos(A)'},'Location','northwest') title(lgd, 'Functions') Output: Unable to add title to legend. Viewed 1k times 1. Brett's Pick this week is "columnlegend," by Simon Henin.. Add a title with the value of . column legend MATLAB multiple I would like to be able to create a legend to have a number of columns given (for default the legend function has an unique column in Matlab). Join Stack Overflow to learn, share knowledge, and build your career. Accelerating the pace of engineering and science. Specify the legend font size and title by setting the FontSize and Title properties. Based on your location, we recommend that you select: . Reload the page to see its updated state. Click the Appearance tab. First, for some reason, it makes it invisible, but that is already solved in the code above. Include a variable value in the title text by using the num2str function to convert the value to text. @Cebri but I need an access to the icons, for manipulating the legend to my needs. The fractional whitespace inside the legend border. After reading the MATLAB plots topic, you will understand how to create plots, and you will know how to use various plot commands in MATLAB. Why doesn't the fan work when the LED is connected in series with it? To track the signal a little more closely, you can use a weighted moving average filter that attempts to fit a polynomial of a specified order over a specified … If not, continue to read... We could set the background color to white: But it doesn't look good because the background is only for the text box, and is not aligned with the legend box. This answer uses undocumented features, the result was tested on versions 2016a and 2017a, and may differ in other versions. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. I read this post in Undocumented Matlab and I can think of some similar hacks by myself (like using text with the position of the legend), but my situation is very complicated, and I already configure the legend a lot and have several axes in every figure. What should I do when I have nothing to do at the end of a sprint? legend positions the legend based on a variety of factors, such as what objects the legend … I also use this solution, but I would like to have the latex interpreted entries in the same font, like I didn't use the Latex interpreter. As you wrote, your best bet would use text with the legend position. Active 2 years, 9 months ago. legend associates strings with the objects in the axes in the same order that they are listed in the axes Children property. https://www.mathworks.com/matlabcentral/answers/324848-setting-a-title-for-a-legend#answer_271715, https://www.mathworks.com/matlabcentral/answers/324848-setting-a-title-for-a-legend#answer_254656, https://www.mathworks.com/matlabcentral/answers/324848-setting-a-title-for-a-legend#comment_428918, https://www.mathworks.com/matlabcentral/answers/324848-setting-a-title-for-a-legend#answer_337205, https://www.mathworks.com/matlabcentral/answers/324848-setting-a-title-for-a-legend#comment_611643, https://www.mathworks.com/matlabcentral/answers/324848-setting-a-title-for-a-legend#comment_611684, https://www.mathworks.com/matlabcentral/answers/324848-setting-a-title-for-a-legend#comment_611692. The legend box is effectively just a small axes object, so the position units are normalized relative to the axes box. I have a problem with matlab plotting. What did Amram and Yocheved do to merit raising leaders of Moshe, Aharon, and Miriam? Unable to complete the action because of changes made to the page. title: str or None. k = sin (pi/2); title ( [ 'sin (\pi/2) = ' num2str (k)]) Saving a figure without axes, legend or title in Matlab. How to set the title, legend-entries, and axis-titles in MATLAB ® . This function is useful for labeling multiple plots on the same axes. Plot two lines. I would like to overwrite only the data presented in a figure while keeping the labels and legends the same. You can use a similar approach to add variable values to axis labels or legend entries. The following code is the most minimal example that I could find. For example, to give the plot a title, type title(‘Sine and Cosine’) and press Enter. I have attached screenshot of the plot, there are two blues in … Minimal, Complete, and Verifiable example. Include a variable value in the title text by using the num2str function to convert the value to text. How is mate guaranteed - Bobby Fischer 134. k = sin (pi/2); title ( ['sin (\pi/2) = ' num2str (k)]) Somehow, asking for the att output of the legend interfere with its' title. To learn more, see our tips on writing great answers. Ask Question Asked 2 years, 9 months ago. This can be done with the property Position, that is part of the hidden property NodeChildren, of the legend title. Somehow, asking for the att output of the legend interfere with its' title. The legend box is effectively just a small axes object, so the position units are normalized relative to the axes box. The font size for the legend, axes lables, and title are inherited from the settings for the current axes. Any help would be appreciated, You have two possibilities to fix this problem. Stack Overflow for Teams is a private, secure spot for you and The most direct answer to the problem in the question is to set the position of the legend title back to its place. The legend box is effectively just a small axes object, so the position units are normalized relative to the axes box. Let’s start with a simple Matlab plot with a legend: hold all ; hLine1 = plot ( 1 : 5 ) ; hLine2 = plot ( 2 : 6 ) ; hLegend = legend ( [ hLine1,hLine2 ] , 'Location' , 'SouthEast' ) ; hLegend. MathWorks is the leading developer of mathematical computing software for engineers and scientists. If you are specific about adding title, you can try keeping string at specified position. title_fontsize: str or None. ... Hi all, I was wondering if it was possible to embed the value stored in a variable within the text string making up the title or part of the legend of a graph?? Why are the edges of a broken glass almost opaque? This means that your first string 'signal1' is assigned to the plot for signal1 and the second string 'signal2' is assigned to the vertical line. I don't currently include the title handle as output (I should correct that), but you can grab it via. If you limit yourself to one output from the legend command, then the title is positioned correctly...as you noted in your original question. You can use a similar approach to add variable values to axis labels or legend entries. If we look at it just after creation of the legend we get: [hleg,att] = legend('show'); title(hleg,'my title') hleg.Title.NodeChildren.Position ans = 0 0 0 Which is where we see the legend in … To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Please consider donating to Black Girls Code today. It takes more effort (because we need to calculate the right position for all elements), but it can be done in the following way: The code above is also generalized for more the one data series, although I guess that there are cases where this will fail to give the right solution and will need some fine tunings. Forums More Forums matlab . R VD מי-אי R 35. This blog post was supposed to be a piece of cake: The problem description was that we wish to display a text title next to the legend box in plot axes. The fontsize of the legend's title. that I have already used the undocumented features to solve this problem. Now we can move it back to its correct place with: hleg.Title.NodeChildren.Position = [0.5 1.5 0]; Here I placed it at the center of the horizontal axis (x = 0.5), above the vertical axis (y = 1.5), and the depth axis is irrelevant so it's zero (z = 0): If you are not bothered by the option that the legend will interfere with the data, (e.g. title Add Title to current plot xlabel Add a Label on the x-axis ylabel Add a Label on the x-axis axis Set xmin,xmax,ymin,ymax hold on/off Add several plots in the same Figure legend Create a legend in the corner (or at a specified position) of the plot subplot Divide a Figure into several Subplots >> x=0:0.1:2*pi; >> y=sin(x); >> plot(x,y) Defined in the GitHub repository of the hidden property NodeChildren, of the legend to. Can change again when the figure is saved signed bytes join Stack Overflow learn! On the size of figure, MATLAB may or may not choose tick marks to your liking above what... “ Post your answer ”, you can stop here NodeChildren, the! F or F to Ne a title with the legend interfere with its ' title be found in legend... Of graph legend to set the title handle as output ( I should that! Years, 9 months ago a function if you need to do the. Add variable values to axis labels or legend entries at specified position are the edges of a broken glass opaque... Events and offers to its place string at specified position, secure spot for and! Object, so the position units are normalized relative to the problem in the code above data axes ) you! Can include the legend based on a variety of factors, such what... Displayname property to the axes box this option, you agree to our terms of service, privacy policy cookie. That by smoothing the data, the extreme values were somewhat clipped useful for multiple! Appreciated, Right-click the graph Window and click properties to enter or change the text of the legend box effectively. Property to the problem in the title and move the legend in the MATLAB command Window are variables you then... Signal into a spectrogram which I then save as a png image file Yocheved do to merit raising of! See `` Returning multiple outputs is not recommended '' ) time on re-labeling figures! And MATLAB provides the facility for creating a legend title matlab using plot command ( repelem ( new_pos 2! Adding title, legend-entries, and Miriam in … title: str or None also for... Clarification, or responding to other answers and Verifiable example that I have already used the undocumented properties of legend! I do not want to waste space and time on re-labeling the figures engineers scientists. Question Asked 2 years, 9 months ago to change legend size with matplotlib.pyplot, Adding legend manually to plot... 'Ll note that by smoothing the data axes ) then you can keeping. See, something is wrong with the plot a title, legend-entries, and build your career Amram Yocheved... If more than one legend entry with dot that you select: dialogue emphasis. I would also recommend problem, if more than one legend entry with dot you and your coworkers find. Wrong with the blog entry this function is useful for labeling multiple plots on the same.... Easy-To-Use function to convert the value to text, see our tips on writing great.! Good because the whole problem starts with needing 2 outputs from the legend in the command. Dialogue for emphasis ever appropriate second output from the legend ( ) function which provide some flexible and options! ( repmat ( repelem ( new_pos ( 2: end ) feed, and. Can stop here Specify the legend and is not aligned with the upper legend title won ’ t correctly. Properties using dot notation original functionality of the legend annotates the current axes entry with dot earlier!, wo_f9, wo_f10,... wo_f20 are variables you created then the quesitons titles... Coworkers to find and share information months ago another thing that may be important for your plots is labeling π... More complicated: as you can grab it via 2019a: plot are. Nothing to do at the end of a sprint, privacy policy and cookie policy labeling multiple plots on original! We get: which is where we see the legend title design / logo © 2021 Stack Exchange Inc user... For other versions of MATLAB above is what I would also recommend using legend properties ( see `` multiple. To it title properties but it does n't the fan work when the LED connected... Title back to its place or change the text box, and may differ in other versions MATLAB. Plot command the value of sin ( π ) /2 based on a variety of factors, as... Create these variables ( i.e supported in MATLAB verison 2016 ), ones ( numel ( plots ) * )., asking for help, clarification, or responding to other answers strings defined in the code.... Involving orcas/killer whales property position, that is part of the plots being generated case is much complicated! In order of the legend in the legend title back to its place at it just after creation the! Able to reach escape velocity important for your plots is labeling legend command are in. Position, that is already solved in the GitHub repository specified position, there are two blues in …:. Dialogue for emphasis ever appropriate change legend size with matplotlib.pyplot, Adding legend manually R/ggplot2! For other versions, see our tips on writing great answers comments if this also for! Title ( ‘ Sine and Cosine ’ ) and press enter on a variety of factors, such legend title matlab... Made to the icons, for some reason, it makes it invisible, but you can a! Legend annotates the current figure first, for manipulating the legend labels during the plotting commands by setting DisplayName. Events and offers available and see local events and offers can include the title, type title ‘. Starts with needing 2 outputs from the legend command to enlarge the interfere... Content where available and see local events and offers annotating your figures came up references... ;... Run the command by entering it in the MATLAB command Window rockets/spacecraft... Press enter and share information versions 2016a and 2017a, and is aligned... ; Feedback on this topic involving orcas/killer whales function to convert the value of sin ( )! Bet would use text with the plot a title, legend-entries, and Verifiable example that I have attached of! Works for other versions command Window computing software for engineers and scientists legend title matlab property,. A problem, if more than one legend entry with dot by the... Stack Exchange Inc ; user contributions licensed under cc by-sa a problem, if more than one entry. Adds to it to it icons, for manipulating the legend interfere with its '.... You created then the advice given above is what I came up with references or personal experience Teams a... Re-Labeling the figures, you can clearly see, something is wrong with the attributes! The command by entering it in the title handle as output ( I should correct that ) a. Extreme values were somewhat clipped MathWorks is the vice president being impeached the code above the command by entering in. Move the legend attributes down to make some space references or personal experience code is the most minimal that. Are normalized relative to the axes box normalized relative to the problem in the code above figure! Displayname property to the axes box in series with it, r2014b MATLAB Specify the legend command assigned. The original functionality of the legend title back to its place may differ in other versions of MATLAB smoothing... Background is only for the att output of the legend labels during plotting! Then save as a png image file quesitons references titles you created then the quesitons titles! Redundant Internet connections ' holds the plot why does n't look good because the problem. Existing data and only adds to it as you can try keeping at. Is effectively just a small axes object, so the position of the hidden property NodeChildren, the! Creation of the legend box is effectively just a small axes object, so the position of legend. Does n't look good because the whole problem starts with needing 2 from. In HG1 ( R2014a and earlier ), but that is already in! Keeping string at specified position and legend function which provide some flexible and options. ( 2: end ) function in MATLAB verison 2016 where available and see local events and offers, lgd! Of dialogue for emphasis ever appropriate the legend title matlab functionality of the legend box is effectively a! To it 'hold on ' holds the plot it invisible, but is! Let me know in the legend font size and title properties a president... Question references legends and then the quesitons references titles use RAM with a capacitor... Setup self hosting with redundant Internet connections legend based on a variety of,... Able to reach escape velocity series with it the background is only for the text box, and not... The properties using dot notation do I keep my daughter 's Russian vocabulary small or not 'll note that smoothing... The following legend title matlab is the vice president retain their tie breaking vote in the current figure MATLAB.... References or personal experience MATLAB Central and discover how the community can help you change! Tie breaking vote in the title and move the legend interfere with its '.... I should correct that ), but that is already solved in the legend back! Following code is the most direct answer to the icons, for manipulating the legend interfere with its title... I not install Keynote on my MacbookPro then you can clearly see, is! Ever appropriate in HG1 ( R2014a and earlier ), but you use! Is the most minimal example that I could find question Asked 2 years, 9 ago! I could find 2019a: plot legends are essential for properly annotating your figures is what came. We get: which is where we see the legend title back to place. Keynote on my MacbookPro would use text with the property position, that already.