I dont see any options to make the legend background transparent, but you can change the background color using the color argument. Create a legend and assign the legend object to the variable lgd. Two of the line plots are colored red and the other is colored blue. Your users can select options in the figure menu bar or the figure toolbar to show or hide that legend. To view these steps in action, see the video below. You can return the legend object as an output argument from the legend function, such as lgd legend. Specify name,value as the last pair of arguments in any of the previous syntaxes. I randomly selected a couple of legend properties and most of them text color, position, etc. Oct 07, 2016 thank you for your answer but as i said earlier, any of these commands, for some reason, do not do what they are supposed to do anymore. Use the following trick to manually change the color of each legend element. If you set a background color, you may want to clear the white out box on the text tab. Mathworks is the leading developer of mathematical computing software for. But im afraid, that the background of the legend is still opaque.
You should be setting interpreter and fontsize for the text entries rather than the axis. The graph has two legends and plotted from a big loop. Mathworks is the leading developer of mathematical computing software for engineers. The background of a plot legend can be made transparent by setting the color property of the legend to none. Make squared in legend instead of lines matlab stack overflow. Whenever i entered any font size manually, no legend showed up at all. Learn more about multiple legends, plotting, 2014b. The result is, that in the pdf file at the right side of the legend box is a big white space. Doubleclick on the legend object to open the legend dialog box. In most cases, when you use namevalue pairs, you must specify the labels in a cell array, such as legend label1,label2,fontsize,14 use the legend object. But, matlab sets the sizes of the box around the legend including the unknown code. When plotting filled areas patch or surface objects, the legend contains a sample of the face color next to the text label.
At the end there are same colors both blue for both lines which represented in the legend box however the data itself are in blue and red. How to add a second legendbox to a figure without new plots. How to have matlab 2016 legend without box and as transparent. To modify thickness or color of the line around the legend object frame box. How do i make the background of a plot legend transparent. My attamps to far leave the lines and ad hollow squares including a random square in the top left corner of the figure. Adding legend in a plot genereted by a loop matlab answers. Specify the axes as the first input argument for any of the previous syntaxes. How do i add a legend to a boxplot in matlab learn more about boxplot, legend statistics and machine learning toolbox. Legend is a class for adding legend support to charts that inherit from matlab. Add legend support to chart container subclass matlab. I can give any specific array of 4 numbers to matlab to set the position but they are not interpreted correctly and matlab seems to just randomly change the position of the legend a bit. Today i will expand on that article by explaining the plot legends internal graphics hierarchy, how we can access each of these.
I have the following code, which plots a map using imagesc, and provides a legend, see output attached. My problem is that as soon as i change the font size to 15 the box around the legends doesnt expand automatically and i have legends of the curves going outside the legend box. If you are working with polar axes, then the box command controls the outline display when the thetaaxis limits do not span 360 degrees. As a workaround you can explicitly pass to the legend function the handle to the axes in which the box plot is drawn.
Outside values for location assure that the colorbar will not overlap the plot, whereas overlaps can occur when you specify any of the other cardinal values. In order to make the color legend option available, a field must be placed on color on the marks card. The legend box in plot has no colors matlab answers matlab. Editing colors in the legend matlab answers matlab central. Aug 30, 2017 the following code creates a figure with two shaded areas. Adding legend in a plot genereted by a loop matlab. Now you can use this handle h as the first argument of your legend function.
One way to create a legend containing the colors of the contours is to create invisible lines with the colors of the contour plots. Feb 15, 2012 but would like to add what the measurements relate to in a legend title, eg. Contour plot legend how to change symbol to straight line. I can not get all legends in one box using following code. The first two values, left and bottom, specify the distance from the lower left corner of the figure to the lower left corner of the legend. Then, use dot notation to access the fontsize property and set the value to 14 points. Learn more about boxplot, legend statistics and machine learning toolbox. Follow 427 views last 30 days hassan on 21 jun 2011. Jun 27, 2009 the background of a plot legend can be made transparent by setting the color property of the legend to none. Follow 84 views last 30 days uncung fgv on 24 apr 2012. Jun 28, 2011 creating a legend for a boxplot with two colors. I notice that the box around the legend is also absent. For each line plotted, the legend shows a sample of the line type, marker symbol, and color beside the text label you specify. Single legend for plot with two axes matlab answers.
Oct 09, 2012 a brute force not very elegant kind of thing i often do matlab 2015b, but should work in all is to create a new plot of a single point on the same figure with the same marker type and the size you require in the legend. Colorbar showing color scale matlab colorbar mathworks. Today i will expand on that article by explaining the plot legend s internal. On each box, the central mark is the median, the edges of the box are the 25th and 75th percentiles array t for a legend. Dec 22, 2009 a figure with three line plots appears. I use line to plot each point, make a legend for the colors across the top, and then attempt to make separate legend on the right for the markers by placing another axis on top of the first one. Jul 14, 2018 i want to change the color of line on the legend, not plotted data.
When i insert a legend in my figure, i observe two red lines labeled data1 and data2 and the blue line labeled data3 in the legend box. Plot legend does not display any lines matlab answers. You can create each plot with a handle hi, of which you store only the first entry in h. Legend for classified image matlab answers matlab central. My question is, how to label the areas by a legend or a colorbar. A brute force not very elegant kind of thing i often do matlab 2015b, but should work in all is to create a new plot of a single point on the same figure with the same marker type and the size you require in the legend. Set legend color in stacked bar plot matlab answers. After that plot, including the legend call, add these lines.
I have assigned different color for 5 classes as per the below code. Use dot notation to refer to a particular object and property. Some polar axes properties affect the appearance of the outline around the polar axes. The location string can be all lower case and can be abbreviated by sentinel letter e. I want to change the color of line on the legend, not plotted data. Change the color of the box outline in the xaxis direction by setting the xcolor property of the axes. Then, use lgd with dot notation to set properties, such as lgd.
Feb 05, 20 adding legend in a plot genereted by a loop. The default for bkgd is boxon, which displays the legend background and outline. Display axes outline matlab box mathworks deutschland. In most cases, when you use namevalue pairs, you must specify the labels in a cell array, such as legend label1,label2,fontsize,14.
For example, direction,reverse reverses the color scale. Then i dont have to have mm on every line and dont have to say what they measure elsewhere. Click the caret for the sheet associated with the color legend and select legends color legend. Custom location and size, specified as a fourelement vector of the form left bottom width height. How to remove edge color of legend box matlab answers. Legend properties control the appearance and behavior of a legend object. Three years ago i explained how we can use a couple of undocumented hidden properties of the legend in order to add a legend title the legend object had no title property back then this was only added in a later matlab release, perhaps as a result of my post. Help with plot legend matlab answers matlab central. Learn more about legend, edge color, plot, text box. Sep 07, 20 text will provide the text for the particular class at the given location in the resultant imagery. Use single quotes around the on and off inputs, such as box ax,on. If a dual axis is used, ensure transparency is 100% on the first pill. Jul 12, 2018 three years ago i explained how we can use a couple of undocumented hidden properties of the legend in order to add a legend title the legend object had no title property back then this was only added in a later matlab release, perhaps as a result of my post.
This matlab function displays the box outline around the current axes by setting their box property to on. This is basically mike garritys solution with a forloop to make it more suitable for larger number of data sets. Legend problem in a multiple axes graph matlab answers. Davide cerra on 26 aug 2019 i have code that used to work fine in matlab 20 but the new matlab 2015b does not allow me to set the position of the legend as i wish. Assuming you are using matlab r2014b or later, there are some possible workarounds that you can use for this. This table lists a subset of polar axes properties related to the outline. In this code the legend has wrong colors and the colorbar is neither in dark and light gray nor labeled.
The last two values, width and height, specify the legend dimensions. I am trying to replace the lines in the legend with solid squares. I think the preferred way to do this is to use framealpha, ie plt. T bplotd if x is a matrix, there is one box per column. But i need legend for all the classes in a separate box. By inheriting from this class, you can display a legend in your chart. Click the frame tab and set frame to none, box, shadow or marble. Learn more about two legends, plot, mulitple legends, plotting, copy axes, figure matlab. Learn more about plot scatter loop legend matlab, statistics and machine learning toolbox. You can add the legend as legendt t bplotd,x will plot the boxplot of data d above the x value x. Then the background color of the legend has to be set to none. At the end there are same colors both blue for both lines which represented in the legend box however.
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