Matlab legend empty Aug 14, 2018 · Once you do some cleanup following the suggestions made above in the comments under your question, if you still have entirely empty variables that are plotting nothing but you still want to represent those conditions in the legend, plot NaNs. This legend can be pre-existent and contain other graphed elements' entries, but not necessarily. For example: h1 = plot([]); Jun 4, 2020 · Learn more about tiledlayout, legend MATLAB Good morning, I'm using MATLAB R2020a Update 2. Go to the "more properties" option. But it is perfectly fine to use a legend associated with the 4th subplot as an overall legend. Jun 21, 2020 · I disagree, dpb. Jan 10, 2018 · Hi folks, I found specifying Matlab legend confusing when I have a line that could be empty (then has an empty handle). For the labels, the legend uses the text from the DisplayName properties of the graphics objects. Modified 9 years, 3 months ago. For the labels, the legend uses the text from the DisplayName properties of the data series. Jul 22, 2023 · The third plot that creates ‘hp3’ plots and shows in the legend because ‘Set. But some times among these plots, few plots values may be empty (x=NaN, y=NaN). If the DisplayName property is empty, then the legend uses a label of the form 'dataN'. I make a scatter plot, but instead of using e. So if I have 7 entries and want to hide the names/keys for the first 4 of them by modifying the strings, the other 3 just move to the top of the list and become disconnected from the color/symbol keys they're supposed to represent. There is no built-in way to create an "overall legend". For example, plot three lines. For example: h1 = plot([]); MATLAB automatically passes these inputs to the callback function when you click an item in the legend. Jun 8, 2022 · The issue here is that each legend needs to be associated with an axis. figure() followed by legend() would search for the current axes and when it did not find it would create a new axes and make it the current axes and then legend the visible handles from that empty axes, resulting in an empty legend. 2012 values should be a solid line and 2013 values a dashed line, with whatever colors are representative of the month they describe (lineColors). The legend automatically updates when you add or delete data series from the axes. Aug 26, 2014 · You cannot add whitespace "anywhere", but you can add it almost anywhere. will show both linestyles/labels; even empty placeholders create the handle needs Nov 2, 2015 · 2 hacky options: (1) add empty lineserie (or any empty graphic object) in the axes so that there are enough to populate the legend. For example. Jan 9, 2014 · The legend automatically updates when you add or delete graphics objects from the axes. Learn more about string manipulation MATLAB. Also, MATLAB also doesn't recommend this because of graphics issues. You will have to play with the legend's position to achieve the desired look. Starting in R2021a, you can leave an item out of a legend by setting the corresponding label to an empty character vector. Click on the cell array icon and set the size as "1xN-m". if the plot is empty, then that the legend is not displaying. Then call the legend function and specify the second legend label as an empty character vector. I have a tiledlayout of five (three by two) area plots and would like to use the sixth, currently empty, tile to add a global legend. How do I skip items in legend? Say I have 6 plots with 3 actual values and 3 interpolated curves. Viewed 580 times 0 . (2, better in my view) make your own legend object (it's only a special axes object after all) which you can then move/copy/modify freely within your figures. I found the following solution on another post, but it doesn't Apr 9, 2019 · When I try this, it deletes the legend name, but not the associated color/symbol key for the entries. Mar 28, 2024 · I am currently making a figure in Matlab, with both stacked areas and lines. Jan 17, 2025 · Download and share free MATLAB code, including functions, models, apps, support packages and toolboxes Once you do some cleanup following the suggestions made above in the comments under your question, if you still have entirely empty variables that are plotting nothing but you still want to represent those conditions in the legend, plot NaNs. To exclude a line from the legend, specify its label as an empty character vector or string. How can I fix that? Jan 27, 2014 · To reiterate I would like the legend to ignore the empty cells for any of the years and plot the legend label in order from the years using the appropriate colors and station labels. Then create a legend, and exclude the zero line by specifying its label as ''. gca after the figure() is not going to be the old axes. For example, plot two sine waves, and add a dashed zero line by calling the yline function. Instead of black, the text in the legend appears light grey, and the colors which should be the same as in the plot area, are essentially the right colors, just in a much more faded shade (see attachment). g. But that doesn't solve my problem, because the undesired red line stays visible. I have set of 4 to 5 plots. I want to skip the legend for empty line. So my Sep 14, 2015 · Select a Web Site. I only want to label the actual value curves so legend('first I am trying to make a figure with three plots, and use the fourth one to place the legend. You can see an entry titled "String" specified as a "1xN cell array". ShowUnfiltered’ is true, and ‘hp3’ over-writes the previously set ‘empty’ value, so it appears in the legend call. Use the Peer field of the event data structure to access properties of the chart object associated with the clicked legend item. Sep 23, 2016 · Learn more about legend, plots, text, handles, get (plots and text return empty). Aug 1, 2011 · Creating legend based on numeric array. Sep 23, 2015 · empty legend Matlab. Now, only the first N-m curves will be displayed in Legend. For some reason the legend comes out with faded colors. Ask Question Asked 9 years, 3 months ago. " After that, turn the legend on, click on the legend and the "legend property editor" will be displayed. I have a numeric array, for example: N = [1 7 14 30 90 180 360]; I want to create legend creates a legend with descriptive labels for each plotted data series. legend creates a legend with descriptive labels for each plotted data series. Feb 3, 2016 · I would like to how we can write legend for empty plots also. Based on your location, we recommend that you select: . Dec 19, 2017 · Hello, I have an array nN = 6; N = 1:nN; I want to make a legend where nN changes and so may not be known ahead of time. Choose a web site to get translated content where available and see local events and offers. I set that last plot as invisible but then the legend is also faded. . I am trying to superimpose markers on a bar plot Dec 3, 2012 · 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. Nov 10, 2015 · I want to add an entry manually to a MATLAB legend. Unfortunately, there is no way to position the lines, the rest is adjustable: Horizontal_Stretch and Vertical_Stretch define the size of your box, you then can add blank characters to your text, or, if you are using LaTeX interpreter, corresponding tex-commands. uvps bds czzvjcg bau gbgbj hucl nre ccbyq ossix lkjubi