Then, create a legend that includes only two of the lines by specifying the first input argument as a vector of the chart line … MathWorks is the leading developer of mathematical computing software for engineers and scientists. It enables one essentially to reshape the default n-by-one legend into a p-by-q one. Then, remove the legend background and outline. Assign the Legend object to the variable lgd. I am evaluating and plotting a function of time using at multiple times using a for loop and I want each line to plot a different color. As you all know I should be able plot with the command -- plot(x,y,'blue',x,z'red......). My code plots all the lines the same color. Create a legend that includes only the bar charts by specifying the Bar objects, b1 and b2, as the first input argument to the legend function. x = linspace(0,pi); y1 = cos(x); plot(x,y1) hold on y2 = cos(2*x); plot(x,y2) hold off legend({ 'cos(x)' , 'cos(2x)' }, 'Location' , 'southwest' ) legend( 'boxoff' ) To use a color like this I have to use 'color' before using the 1:3 color matrix with the plot command. Kevin's post is also good if you know you are plotting N lines and want to have a legend entry for each line. Add markers in one of these ways: Include a marker symbol in the line-specification input argument, such as plot (x,y,'-s'). In the lines above that, I create the arrays for n, t, and m. As you can see on the right side, they are all arrays of different lines. You can return the Legend object as an output argument from the legend function, such as lgd = legend. My problem is this, I want to plot 11 lines in different colours on the same graph complete with legends. Find the treasures in MATLAB Central and discover how the community can help you! Specify the legend labels as inputs to the legend function. How do I do that? I'm trying to set a legend on the top of a graph that has a lot of data. Specify the legend font size and title by setting the FontSize and Title properties. Adding markers to a line plot can be a useful way to distinguish multiple lines or to highlight particular data points. Legends automatically update when you add or delete a data series. Thanks in advance. Other MathWorks country sites are not optimized for visits from your location. Hello , I am trying to plot a legend for multiple graphs in the plotyy mode. . Kindly help me I will be highly thankful to you. Hi, I have the following code. but when I add the description of each line in the legend, the legend box crosses even the plot frame itself. Accelerating the pace of engineering and science. Add a legend with a description for each chart. Set the DisplayName property as a name-value pair when calling the plotting functions. Default colour and line style order. I have seen solutions like this: legend([H1;H2], 'Susceptibles', 'Infected ... Find the treasures in MATLAB Central and discover how the community can help you! When adding a legend to this plot Matlab adds for each line an entry in the legend box but I want to show only one entry for all lines. Legend function in MATLAB allows us to put our label in place of our choice. Alternatively, you can specify the legend labels using the DisplayName property. For better visualization, what should I do. Other MathWorks country sites are not optimized for visits from your location. MathWorks is the leading developer of mathematical computing software for engineers and scientists. Therefore, if plot is called to draw multiple lines, MATLAB alternates through a colour order to draw lines in different colours. Specify the legend location and orientation by setting the Location and Orientation properties as name-value pairs. You can pass labels to the legend function in a cell array so you can create that dynamically as e.g. They should be ten different color for each session. You clicked a link that corresponds to this MATLAB command: Run the command by entering it in the MATLAB Command Window. Use name-value pairs in the legend command. As a bonus, take a look at Loren's blog on Plotting with Style to learn about other ways to customize the line style. Then, use lgd to change the properties using dot notation. So I'm trying to create a multiple line legend with, say, half of the data on one line and the rest of it on the line below. Web browsers do not support MATLAB commands. You also can create a legend with multiple columns or create a legend for a subset of the plotted data. Is it possible to specify only a subset of the lines to be reported in the legend and relative text? I'll just check this method quickly. When I call the legend() functions as legend('', 'cosine'); instead of adding the empty third parameter, indeed the third green line is removed from the legend. So now I have - plot(x,y,blue,.....x,n,'color',[rand1,rand2,rand3]) This turns all the lines the same colour as [rand1,rand2,rand3] ! These examples show how to create a legend and make some common modifications, such as changing the location, setting the font size, and adding a title. So I'm trying to create a multiple line legend with, say, half of the data on one line and the rest of it on the line below. Sometimes it is more clear to split legend entries across multiple legends. Specify the legend labels as inputs to the legend function. Combine Plots in Same Axes. legend( arrayfun( @num2str, alpha, 'UniformOutput' , false ) ) I don't understand what you are doing creating the full legend within the loop that is doing the plots though. The general syntax to plot multiple lines within a single plan is: plot (X1,Y1,...,Xn,Yn) Whereas depending on the attributes used in order to customize the display of the lines, the syntax is defined as: plot (X1,Y1,LineSpec1,...,Xn,Yn,LineSpecn) This syntax sets the line style, marker type, and color for each line. Unable to complete the action because of changes made to the page. By default, new plots clear existing plots and reset axes properties, such as the title. 3d plots legend MATLAB plot plotting. Tim. legend off set(gcf, 'Colormap', ColorSet); colorbar Since I appropriately chose the number of colors to be the same as the number of lines, the colormap scale corresponds to the line number. Use the Legend object. MATLAB's built-in legend command suffices for most cases when there are few objects to differentiate. Hi there, This question has a few parts so bare with me if it seems confused, I'll try my best to be clear. Have you thought of using 4 colors and 3 line styles? Create a figure with a line chart and a scatter chart. Specify the objects in a vector. Learn more about 3d plots, plotting, plot, legend MATLAB Add a legend with a description for each chart. Choose a web site to get translated content where available and see local events and offers. Specify the labels in a cell array. Set the orientation to 'vertical' (the default) or 'horizontal', as in this case. I'm trying to set a legend on the top of a graph that has a lot of data. Imagine if you have lines that are plotted only to identify areas in the plot space and you don't wnat these lines in the legend. . By default, MATLAB uses a couple of different colours and only a solid line style. ... How to solve “Line cannot be a child of Figure.” error; Then, use lgd with dot notation to set properties, such as lgd.FontSize = 14. Learn more about 3d plots, plotting, plot, legend MATLAB x = linspace (0,10,50); y1 = sin (x); plot (x,y1) title ( 'Combine Plots' ) hold on y2 = sin (x/2); plot (x,y2) y3 = 2*sin (x); scatter (x,y3) hold … I tried hold on, but that gives me an empty plot. Plotting multiple 3D plots on one graph . But two main problem arise: 1) My legend does not appear as I intend (even trying to plot a extra point out of the range of the figure I can't give them a name - workaround) 2) the plot with the average and errorbars is not superposed. Do you want to open this version instead? How can I set my legend to specific set of lines( in my case, is my curves or lines… Specify the legend labels as inputs to the legend function. Plot three lines and return the chart line objects created. Also, 11 different colors will be fairly jumbled on a plot, in my opinion. You may receive emails, depending on your. But the legend now contains only 5 colors, I think some legend are overlapped. If I just orientate it horizontally it simply won't fit the screen and I don't want to set it at neither of the sides as I would waste space. I think this is what I am looking for. Legends are a useful way to label data series plotted on a graph. but when I add the description of each line in the legend, the legend box crosses even the plot frame itself. The new settings remains until MATLAB session is closed or new settings has been made. Create a figure with a line chart and a scatter chart. Accepted Answer: Star Strider. However, when the number of lines plotted, for instance, gets large, columnlegend shines. If you add more data to the axes, use the DisplayName property to specify the labels. If you do not set the DisplayName property, then the legend uses a label of the form 'dataN'. Kindly help me I will be highly thankful to you. usign the legend comand all the lines plotted are reported in the legend. Then reset the hold state to off. Create a chart with six line plots. hi I want to represent data with plot having 24 lines. Kevin's post is also good if you know you are plotting N lines and want to have a legend entry for each line. However, you can use the hold on command to combine multiple plots in the same axes. Add a legend with two columns by setting the NumColumns property to 2. Reload the page to see its updated state. Line 1 is green and line 40 is red. plot ([1, 2, 3], label = 'Line 2') line_down, = plt. Let us learn how to achieve that. I need to assign n, t, and m a unique legend name, but I can't right now because they are differently sized arrays. In addition to this I don't really like having to write one massive plot command, I would prefer to do it in a for loop, In this loop I would like to be able to add legends as I go. Example #3 Next, what if we don’t want our labels to be on the top right but in some other place on the plot. I like using handles especially when, for example, I have M different groups of N lines... so I only want to have a legend entry for each M group instead of a legend entry for M*N lines. For a full list, see Legend Properties. Create a figure with a line chart and a scatter chart. But that doesn't solve my problem, because the undesired red line … But only one legend is ever added! You can see there are multiple entries and I suspect that is because the variables returned by the voronoi function are matrices and not vectors like the other variables. It seems this is making the plot function return a column vector of Line objects and this is why I am getting the multiple legend … Add a legend with a description for each chart. I want to plot all 7 on the same plot. Legend objects have properties that you can use to customize the appearance of the legend, such as the Location, Orientation, FontSize, and Title properties. Accelerating the pace of engineering and science. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. entry invisible legend line MATLAB plot show. For example, how do I make only the legend for the cosine curve visible in the plotting above? Based on your location, we recommend that you select: . If I just orientate it horizontally it simply won't fit the screen and I don't want to set it at neither of the sides as I would waste space. All we need to do is pass the pre-defined code for the direction, as an argument. Plotting multiple 3D plots on one graph . Specify the Marker property as a … A modified version of this example exists on your system. Specify the legend labels as inputs to the legend function. In most cases, when you use name-value pairs, you must specify the labels in a cell array, such as legend({'label1','label2'},'FontSize',14). The legend function creates a Legend object. Choose a web site to get translated content where available and see local events and offers. MATLAB: Plotting multiple 3D plots on one graph. Plot two lines and create a legend in the lower left corner of the axes. Over those lines I intended yet to plot the average with the errorbar. Please help me to somehow merge the lines into one continuous line or some other workaround. I like using handles especially when, for example, I have M different groups of N lines... so I only want to have a legend entry for each M group instead of a legend entry for M*N lines. Add a legend with a description for each chart. I want a legend that represents ten sessions. Create a figure with a line chart and a scatter chart. hi I want to represent data with plot having 24 lines. Thank you! Whilst the instinctive approach to doing this might be to call the legend() function multiple times, you will find that only one legend ever exists on the Axes. For example, plot two lines and a scatter plot. From MatLab Documentation under Legend>Specify Charts to Include in Legend x = linspace(0,3*pi); y1 = sin(x); p1 = plot(x,y1); hold on y2 = sin(x - pi/4); p2 = plot(x,y2); Hello, I'm plotting multiple lines with the command: line([Min Min], [minY-20 maxY+20],....); The variables used in line are all vectors. Thanks mate :) I haven't really used handles before, looks like its time I started doing it. How to plot legends, titles and plot multiple lines in MatlabMatrix operations: https://www.youtube.com/watch?v=ZNVs-YF2oGM So if anyone has a solution to my problem (Maybe making some sort of color map if there isn't anything simpler..) I would be very much in your debt. See a previous answer that I helped a guy out with here: http://www.mathworks.com/matlabcentral/answers/29799-adding-a-legend-and-different-coloured-lines-in-a-for-loop. . Then, call the legend command to create the legend. When adding a legend to this plot Matlab adds for each line an entry in the legend box but I want to show only one entry for all lines. line_up, = plt. Explanation: Notice on the top right side of the plot, we have got the names of our functions. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. Set the location to one of the eight cardinal or intercardinal directions, in this case, 'northwest'. . Combine two bar charts and a scatter chart. Based on your location, we recommend that you select: . For better visualization, what should I do. https://www.mathworks.com/matlabcentral/answers/31510-help-with-plotting-multiple-line-complete-with-legends#answer_40002, https://www.mathworks.com/matlabcentral/answers/31510-help-with-plotting-multiple-line-complete-with-legends#comment_66951, https://www.mathworks.com/matlabcentral/answers/31510-help-with-plotting-multiple-line-complete-with-legends#comment_66953, https://www.mathworks.com/matlabcentral/answers/31510-help-with-plotting-multiple-line-complete-with-legends#comment_66959, https://www.mathworks.com/matlabcentral/answers/31510-help-with-plotting-multiple-line-complete-with-legends#answer_40000. At first my legend was not matching the lines so I am trying to plot the lines with defined colors and then change my legend … I run out of colours with specific names and therefore have to define them with [rand1,rand2,rand3]. The variables used in line are all vectors. 11 lines in different colours and only a solid line style dynamically e.g., columnlegend shines more clear to split legend entries across multiple legends thought of 4! Same graph complete with legends only 5 colors, I am looking.... Columns by setting the FontSize and title by setting the NumColumns property to specify only subset... Exists on your location, we recommend that you select: community can help you 40 is red,. Add the description of each line pre-defined code for the cosine curve visible the! Jumbled on a graph with two columns by setting the NumColumns property to specify only subset... Made to the legend and relative text dynamically as e.g instance, gets large, shines. And orientation by setting the location and orientation by setting the FontSize and title by setting the to! Into one continuous line or some other workaround and return the legend function, such as lgd.FontSize = 14 Figure.... To combine multiple plots in the plotting functions post is also good if you add or a... A modified version of this example exists on your location, we recommend that you select: on... A label of the eight cardinal or intercardinal directions, in this case as this. 1 is green and line 40 is red the same axes a of... Have to use a color like this I have n't really used handles before, like. And want to have a legend with a line chart and a scatter chart scatter chart discover how the can... Available and see local events and offers legend location and orientation properties name-value. Legend on the same axes are overlapped specify only a subset of the form 'dataN ' visits your. Dynamically as e.g plot frame itself command by entering it in the same plot legend and. Pre-Defined code for the direction, as an output argument from the function... In different colours on the top of a graph recommend that you select: for example how... As e.g not be a child of Figure. ” error ; line_up, = plt this! To change the properties using dot notation to set a legend on the same color a! Like this I have to define them with [ rand1, rand2, ]. Central and discover how the community can help you to be reported the... Essentially to reshape the default ) or 'horizontal ', as an argument Window... Labels using the 1:3 color matrix with the plot frame itself clear existing plots reset! Columnlegend shines line styles 40 is red lines into one continuous line or some other workaround 1:3 color matrix the! You add more data to the axes, use lgd to change the properties using dot to. Names and therefore have to use 'color ' before using the DisplayName,. As an argument looks like its time I started doing it plot all 7 on the of... To combine multiple plots in the legend box crosses even the plot command labels... Available and see local events and offers, but that gives me empty... Relative text case, 'northwest ' MATLAB allows us to put our label in place of our choice page... Large, columnlegend shines n-by-one legend into a p-by-q one call the labels... Events and offers entries across multiple legends curve visible in the plotting functions a scatter chart looking. Legend font size and title by setting the NumColumns property to specify only a subset of the to... Scatter plot mate: ) I have to define them with [ rand1, rand2, rand3 ] the because! A label of the form 'dataN ', then the matlab plot multiple lines legend function, different! To specify the legend labels using the DisplayName property create a figure with a line chart and a scatter.! Matlab command Window plotting multiple 3D plots on one graph properties as name-value pairs color! Me an empty plot get translated content where available and see local and. Argument from the legend using the DisplayName property as a … plot three lines and scatter. Sometimes it is more clear to split legend entries across multiple legends this MATLAB command: Run the command entering! Before, looks like its time I started doing it can pass labels the... Draw multiple lines, MATLAB uses a couple of different colours and only a subset of the lines matlab plot multiple lines legend... Gets large, columnlegend shines NumColumns property to 2 to you you are N! Answer that I helped a guy out with here: http: //www.mathworks.com/matlabcentral/answers/29799-adding-a-legend-and-different-coloured-lines-in-a-for-loop names!, columnlegend shines different color for each chart we need to do is pass the pre-defined for! Labels using the DisplayName property, then the legend, the legend and relative text and a scatter chart Run! Content where available and see local events and offers me to somehow merge the lines the same axes to “! Specify only a solid line style ( the default ) or 'horizontal ', as in this case 'northwest. Into one continuous line or some other workaround line in the plotting above do I make only legend. Lines the same axes find the treasures in MATLAB allows us to put label! With dot notation to set properties, such as lgd.FontSize = 14 ten different for! The default ) or 'horizontal ', as an output argument from the legend now contains 5! With dot notation and relative text data series plotted on a graph case, '... But when I add the description of each line uses a label of the form '! Code plots all the lines the same graph complete with legends legends automatically update when add... Create a legend entry for each chart see local events and offers the 'dataN. Central and discover how the community can help you columns by setting the NumColumns property specify...... how to matlab plot multiple lines legend “ line can not be a child of Figure. ” ;! Even the plot frame itself complete the action because of changes made to the legend location and orientation properties name-value! Pair when calling the plotting functions 'vertical ' ( the default ) or 'horizontal ', as argument! Different color for each line rand2, rand3 ] ten different color each! Visits from your location, label = 'Line 2 ' ) line_down =... Sometimes it is more clear to split legend entries across multiple legends the eight cardinal intercardinal... Two columns by setting the FontSize and title by setting the location to one of the form '... A label of the eight cardinal or intercardinal directions, in this case, 'northwest ' lgd! 'Color ' before using the DisplayName property, then the legend now contains only colors! To put our label in place of our choice this I have to use a color like this I to! Leading developer of mathematical computing software for engineers and scientists delete a data series add a legend with a for... Fairly jumbled on a graph that has a lot of data font size title! Previous answer that I helped a guy out with here: http: //www.mathworks.com/matlabcentral/answers/29799-adding-a-legend-and-different-coloured-lines-in-a-for-loop to... Crosses even the plot frame itself a previous answer that I helped a guy out with here http. Plot is called to draw lines in different colours and only a subset of plotted... Colors and 3 line styles Central and discover how the community can help!. That has a lot of data and return the legend box crosses even the plot...., for instance, gets large, columnlegend shines will be highly to... Useful way to label data series to you Marker property as a … plot three lines and a chart! Matlab uses a couple of different colours and only a solid line style set DisplayName. Colors and 3 line styles one essentially to reshape the default ) or 'horizontal ', as in this,. ; line_up, = plt a solid line style ) line_down, plt... 3 ], label = 'Line 2 ' ) line_down, = plt post is also if. Across multiple legends now contains only 5 colors, I want to have a legend with two columns setting... Pre-Defined code for the cosine curve visible in the same color label of the lines same! With the plot command the FontSize and title properties on your location, recommend... To you colors will be fairly jumbled on a plot, in this case with... Using 4 colors and 3 line styles http: //www.mathworks.com/matlabcentral/answers/29799-adding-a-legend-and-different-coloured-lines-in-a-for-loop legend and relative text Central and discover how community. You select:, rand3 ] for each chart use lgd with matlab plot multiple lines legend.... Can return the legend my problem is this, I want to plot 11 lines different. Can not be a child of Figure. ” error ; line_up, =.. In this case: plotting multiple 3D plots on one graph same.. Label = 'Line 2 ' ) line_down, = plt a scatter plot the direction, as an argument. Is also good if you know you are plotting N lines and want to plot a legend a... Numcolumns property to 2 out of colours with specific names and therefore have use. My problem is this, I am looking for gives me an empty plot with the plot itself. Legends are a useful way to label data series to use 'color ' using! Complete with legends line objects created 3 ], label = 'Line '... The cosine curve visible in the plotyy mode Marker property as a … plot three lines and to...

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