However, i would like to know how i would be able to add different kind of borders around an image. Retrieve legend handles and text matlab answers matlab. Enter a column title on the data table, and the graph legend will update. Jul 27, 2011 the matlab help for legend clearly states.
Remove white space from around image matlab answers. I am able to hide the axes and the data plot using cla but i cant figure out how to make the legend go away. See the legend documentation for remove legend border. Follow 389 views last 30 days dommal on 5 jul 2016. Often you want to exclude a line from a plot legend in matlab. Sep 23, 2016 i want to retrieve legend handles and text of an already created figure. Stack overflow for teams is a private, secure spot for you and your coworkers to find and share information.
For example, uicontrol and legend objects are always in front of axes objects. Your image did not come through for me for some reason that site is banned by my company. The following legend constructors can be used to form. This is because the first plot command is plotting 10 lines at once. Adding annotations, axis labels, titles, and legends to graphs. So i thought it would be good time to show how to use the image processing toolbox function imclearborder. If you have ever done a lot of graphing in matlab you may have come across this problem. If you doubleclick on a text label in a legend, matlab opens a text editing box around all the text labels in the legend. They show up without any text in the legend but i would prefer that they just dont appear at all in the legend. Right now i have given up using the legend command from matlab and have implemented using the axes command. How to change the legend colored linewidth, not the width of box.
This may be a viable option if you are representing different types of features e. I have a grayscale jpgimage, with a very large white space around the actual image, which is dark. Sometimes you dont want a legend that is explicitly tied to data that you have plotted. A number of chart elements can have borders which ones do you want to remove.
For more information on creating and customizing legends, see the following pages. The second input argument specifies the position of the annotation in units normalized to the figure. Learn more about legend, print, figure, plotting matlab. Remove specific items from legended matlab answers matlab.
The first input argument specifies the type of annotation. Im not surprised about the time frame but the mind boggles that stuff like this doesnt get. Select an entry in the legend entries series list, and click edit. Specify the legend descriptions in the order that you plot the lines. Creating a legend that is unrelated to the plotted data matlab. It serves no purpose and today i have figured out how to remove it. How do i make one legend on a figure with multiple subplots. Then you can safely create a legend that doesnt overlay your data. Hi everyone does anyone know of a way to remove the border from the chart legend. Saving and copying plots with minimal white space matlab. How to remove edge color of legend box matlab answers. Learn more remove or adapt border of frame of legend using matplotlib. Remove legend items from figure matlab answers matlab.
Append entries to a legend matlab central blogs get the. Hi, my task would be to have a legend which is update dynamically as i loop over some data extracted from different files and i add them to a same plot, for instance. And if its a labeled image that came from a binary image and you didnt want to include blobs that touched the border because the object is only partially there, youd use imclearborder. Removing borders in r plots for achieving tuftes axis. Some users find it helpful to have this red box present within the legend. Remove legend items for graphics objects deleted from the axes. The order of the children reflects the fronttoback order stacking order of the components on the screen. It works fine on my machine but it doesnt work in an another machine plots and text return empty. Learn more about export figures, remove borders, eps2pdf, pdfcrop matlab. Matlab might not allow you to change the order of certain objects.
How do i remove the border surrounding the legend box in. Is there any way to change the color of lines in the legend after plotting the graphlike using edit\axes properties 4 comments. Remove the plotting tools from a figure using the hide plot tools icon. His entries are wellwritten, and like this one, many of his entries. Try the command imclearborder in the image processing toolbox.
How to change the legend colored linewidth, not the width. By default, there is no linked variable so the value is an empty character vector. In the figure, how to remove the item aa from the legennd without changing the shape of other items. I found out that for the histograms it creates a handle h1 and 2 where 1 corresponds to the bar charts and 2 to the fitting lines.
In matlab, you can create a cropped pdf by setting the papersize to the same size as the graphic. Exporting a figure with an opaque legend box but no visible edge. Mathworks hides the direct download link for update release since matlab r2018b, and. You can edit the column titles of the data table, or you can edit the legend directly on the graph. If you link a variable, then matlab does not update the xdata values immediately. Alternately, use the controls on the legend dialogs frame tab to modify border width and color. Figures without borders and toolbars shawn lankton. You can specify subset before specifying the labels or with no other input arguments. Jan 20, 2011 i would like to make one legend on a figure with multiple subplots, and place it either at the topmiddle, or align the legend just above one of my subplots. By changing property values, you can modify certain aspects of the legend. Basically, you just need to create an axes object without border frame and add it to the. Color of text box background, specified as an rgb triplet, a hexadecimal color code, a color name, or a short name. Nov 21, 2011 remove borders from images drawn using imagesc.
For more information on text box annotations, see the annotation function. It is possible to make more than one legend for a map. Remove legend entries from figure window matlab answers. Save figure in matlab without borders matlab answers. How to remove the border highlight on an input text. I used the drawarrow function to mark the x and y axis on my plot but i dont want them in the legend. Jun 27, 2009 seth1, visible, off % hides the legend s axes legend border and background the following example demonstrates how to remove the legend border and legend background for matlab 6. You can also select a cell from which the text is retrieved. The red box will not be included in your graph export. Remove legend box in a plot matlab answers matlab central.
Im working on my first gui and i am having trouble getting the legend to clearhide when i hide a figure. Gives you the legend is showing average price as being a black line instead of blue. Excluding a line from plot legend practical matlab. If the displayname property is empty, then the legend uses a label of the form datan. I am editing my figure graphically in the figure window, and id like to know how to remove legend entries. Coincidentally, another person recently commented on the need in some measurement situations to remove objects that touch the image border. I see how to change the fill and text color, but i dont see anywhere about changing the color of the border around the chart legend or for that matter, removing the border altogether. Matlab evaluates the variable in the base workspace to generate the xdata. Add a legend to the graph that identifies each data set using the legend function. If your computer does not have excel for windows or if you are using matlab online, xlsread automatically operates in basic import mode. From the plot browser panel, uncheck each object until you figure out which object is drawing the lines that you need to remove.
You could write the text to an empty axes, capture the screen area, use the image processing toolbox to detect the edges. Could you explain to me what this second handle is. Annotation control for including or excluding object from legend. For example, a colored border, or fancy border with a pattern. I have created a figure which takes the original image, draws on the borders of the large objects, and draws the small objects on in another color. Use this property to view the list of children or to reorder the children. No matter what i do with hobj2, nothing happened on the figure. Frame tab and a legend using a border and background. Inspired by this, in 1989 i wrote software to produce small multiple plots that incorporated this design among many others inspired by tufte and bill clevelands group and. Depending on your application, you might be able to use one of the following options as a. Select the legend object, then drag one of the green handles.
His entries are wellwritten, and like this one, many of his entries have published example files many of you may know that the command legend creates one legend. Then the background color of the legend has to be set to none. Follow 89 views last 30 days uncung fgv on 24 apr 2012. Clearing border components steve on image processing and matlab. To force an update of the data values, use the refreshdata function. How to remove icons from legend learn more about matlab, plot, legend, plotting, help. By the way, this doesnt look like a labeled image because you dont have paths of zeros separating the blobs. The legend is a symbol or bar followed by the data set name. Histogram appearance and behavior matlab mathworks.
For a custom color, specify an rgb triplet or a hexadecimal color code. Posted on october 8, 2009 updated on december 22, 2009. 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. Axes objects have properties that you can use to customize the appearance of the axes. Use the line border color button on the style toolbar to edit line color.
The legend object automatically detects how many entries to place in the legend, one for each series of data that is. Dec 14, 2011 hello, im pretty new to matlab, so im having a hard time doing some things with it. One way to avoid this is to look into the axes properties before calling the function savefig. In sufficiently new matlab, if you called legend without passing in a list of graphics objects, then matlab will automatically add new objects created after that point to the legend. Usually if youre generating graphics from matlab, though, id recommend using matlabfrag so.
The legend tag also supports the event attributes in html. Matlab automatically passes these inputs to the callback function when you click an item in the legend. Jiros pick this week is legappend by chad greene chad is no stranger to matlab central. Most browsers will display the legend element with the following default values. I want to make a figure whose legend has no visible border so i set the legend edge colour to be. For example, the fontsize property controls the font size of the title, labels, and legend access the current axes object using the gca function.
Matlab is displaying a black border around a plot and i would like to remove it. Clearing legend in gui plot matlab answers matlab central. But im afraid, that the background of the legend is still opaque. For example, if you doubleclick on the legend axes, the property editor displays the set of property panels for axes objects. If you wish to turn off the red box, do the following. Legend properties control the appearance and behavior of a legend object. Also you can position the legend as an object at creation time or after by asiging to a variable and using set. Apr 23, 2016 hello, i understand how to draw a black border around an image,by padding the image with zeros. The legend tag also supports the global attributes in html.
For the labels, the legend uses the text from the displayname properties of the data series. Legend appearance and behavior matlab mathworks nordic. Could someone please tell me howif it is possible to only have specific items show up in the legend. He has over 50 file exchange entries, and two of his entries have been highlighted unit converters and ccc in pick of the week. Then, use lgd with dot notation to set properties, such as lgd. An rgb triplet is a threeelement row vector whose elements specify the intensities of the red, green, and blue components of the color. Text box appearance and behavior matlab mathworks united.
How to have matlab 2016 legend without box and as transparent. Follow 1,297 views last 30 days dario on 19 jan 2012. Then double click on the offending object to bring up the property editor panel, and mostly likely click more properties to view all possible properties of that object. You can return the legend object as an output argument from the legend function, such as lgd legend. Use the peer field of the event data structure to access properties of the chart object associated with the clicked legend item. How do i remove the border lines surrounding an axes. Jan 08, 2019 some users find it helpful to have this red box present within the legend. Excluding legend entries in plot matlab answers matlab central. Depending on your application, you might be able to use one of the following options as a workaround. Jul 17, 2018 how to remove icons from legend learn more about matlab, plot, legend, plotting, help. The legend automatically updates when you add or delete data series from the axes. Legend position on a plot matlab answers matlab central. Here is my image,i want to remove the thick white border 0 comments.
Something that has bothered me for the entire time ive used it is that when you show images using imshow the resulting figure has the image surrounded in a sea of gray border. For example, the following illustration shows the text border enabled and the text background. The ability to remove all of the border lines surrounding an axes is not available in matlab. Optionally, specify the legend location using one of the eight cardinal or intercardinal directions, in this case, southwest. Remove border around axes but keep the grid and ticklabels. If you are working with polar axes, then the box command controls the outline display when the thetaaxis limits do not span 360 degrees. Some polar axes properties affect the appearance of the outline around the polar axes. Is there an easy command, to remove the colors jun 06, 2012 java project tutorial make login and register form step by step using netbeans and mysql database duration. Ok, thanks, i didnt look carefully enough at the doc legend, but i found that even if i only plotted 1 line, and set up 1 legend, i can find two line object in hobj, only the first handle in hobj is the real line handle, because i set its linewidth, i saw the change. I used plottools in the command line to open up all the editing windows like plot browser, property editor, figure pallette. Change the value of an axes property and click apply.
Remove the text box border by setting the edgecolor property to none. Use the line border width list to set the line width. One way to minimize the white space when saving or copying the contents of a plot is to use the axes toolbar, which appears when you hover over the upper right corner of the axes. Heres a quick sample of how it worked for my histograms i didnt want the two red lines to be labelled in the legend. Follow 384 views last 30 days dommal on 5 jul 2016.
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