By changing property values, you can modify certain aspects of the legend. Lines and markers, like you get with a line plot dont really apply for an image. For example, use o for a solid line with circle markers. Legend appearance and behavior matlab mathworks italia. Is it possible to specify only a subset of the lines to be reported in the legend and relative text. Use dot notation to refer to a particular object and propert.
Follow 833 views last 30 days riyadh muttaleb on 8. If the line has markers, then the line width also affects the marker edges. Unfortunately these two requirements cannot be simultaneously fulfilled. Feb, 2018 reduce legend line size and box accordingly. Nov 04, 2019 i have a code as follows, which find a intersection of my function with y axis on the top and bottom. Change legend width after reisze of legend line length. May 07, 2018 i dont see the offending line in the code but youve built a 2d array of labels which doesnt meet the syntax requirements of legend. Trial software how can i modify the lengh of the lines in a legend. First two coordinates are the x and y start, second coordinates are the xwise length and ywise height of the legend. Im trying to make a legend in a matlab figure that takes less space, in particular vertical size. Populating a legend dynamically matlab answers matlab central.
Learn more about plot color, hold all, legend, forloop. Mathworks is the leading developer of mathematical computing software for engineers and. Imagine if you have lines that are plotted only to identify areas in the plot space and you dont wnat these lines in the legend. Bitmapped displaces have angles at every pixel, and vector displays are not able to support true curves. Use dot notation to refer to a particular object and property. 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. When i try this in r2014a, two objects are returned into textobj, and the first seems to correspond to the line that is drawn in the legend. In matlab, ultimately every curve is approximated by straight lines or discretized into pixels. So its probably something to do with panel didnt try that. You also can create a legend with multiple columns or create a legend for a subset of the plotted data. Oct 18, 2014 when i try this in r2014a, two objects are returned into textobj, and the first seems to correspond to the line that is drawn in the legend.
Matlab uses the number to calculate indices for assigning color, line style, or markers when you call plotting functions. Unlike the plot function, line adds the line to the current axes without deleting other graphics objects or resetting axes properties. How can i modify the lengh of the lines in a legend. The indices refer to the rows of the arrays stored in the colororder and linestyleorder properties of the axes.
Sep 01, 2010 i would like to reduce the length of the lines shown in the legend of a plot in matlab. The former would make calculating placement very easy. If either x or y, or both are matrices, then line draws multiple lines. No public field markersize exists for class matlab. Then, legend should track the line patterns automagically. How can this issue be circumvented as i couldnt find any options that could modify this from property editor. When you say line do you mean a straight line or, in general, a curve. This matlab function returns the length of the largest array dimension in x. When i have less than 5 plots everything looks fine attached figure 1, but when i have more that 5 plots the figure size decrease and the legenbox starts to look strange attached figure 2. However, i am interested to obtain the marker and line in a single legend entry so that the total number of legend entries could be reduced from 8 to 4 in my case.
Legend appearance and behavior matlab mathworks benelux. Add various horizontal lines to a plot matlab answers. When i search in the product help i find examples for changing almost everything else, but cant find anything about this. Matlab will ignore the numcolumns argument in you get two returns from the legend. I would like to reduce the length of the lines shown in the legend of a plot in matlab. 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. I tried to manipulate the position object of the legend but the width seems to have an internal lower limit. I have a code as follows, which find a intersection of my function with y axis on the top and bottom. By default x and x218 so put larger or smaller numbers as x1,x2 to increase or decrease the legend line size. Aug 08, 2016 how can plot with smooth line learn more about smooth, spline. How to increase the length of the legend line learn more about plot, legend. When plotting filled areas patch or surface objects, the legend contains a sample of the face color next to the text label. Heres a proofofconcept of legend text wrapping, using some undocumented outputs of legend and the matlab python interface.
Jan 19, 2012 usign the legend comand all the lines plotted are reported in the legend. Display a marker at each data point by including the line specification input argument when calling the plot function. Adding legend in a plot genereted by a loop matlab. By default, the seriesindex property of a quiver object is a number that corresponds to its order of creation, starting at 1. I saw that legend has a property linewidth, but its the width of the box, thats not what i wanted. How to change the legend length learn more about barplot, legend length, legend. Hello, i would like to increase the length not linewidth of the line inside the legend. Legend properties control the appearance and behavior of a legend object. I have troubles reducing the legend lines length and legend box accordingly such that it does appear nicer.
Reduce legend line size and box accordingly matlab. When i create the legend, the length of legend appears quite big. A similar question has already been answered by the community. Afaik, all you can do is save the object handles the optional return values when you create the legend and then set properties of those objects as desired. Reduce legend line size and box accordingly matlab answers. Weve also decreased the horizontal space used by each legend line. 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.
Changing length of bar in legend matlab answers matlab. Please give a solution that does not use additional lines of code. Issues in legend color lines in for loop matlab answers. Change legend width after reisze of legend line length matlab. Legend and graph doesnt have the same color matlab. The following example code illustrates how you can reduce the length of the lines shown in the legend of a plot. Today i will expand on that article by explaining the plot legend s internal. Mathworks is the leading developer of mathematical computing software for engineers. Jiros pick this week is legendflex by kelly kearney when i talk to users who are experienced in handle graphics, i sometimes get asked about customizing legends. Legend position according to axes matlab answers matlab. Is there any way in matlab to reduce the length of the line sample, as it is with i.
I have troubles reducing the legend lines length and legend box accordingly such. Marker and line in legend in matlab plot matlab answers. Create primitive line matlab line mathworks benelux. Here is discussed how to change the length of the bar in legend axes, when a bar graph is plotted. Feb 05, 20 adding legend in a plot genereted by a loop. Heres a quick sample of how it worked for my histograms i didnt want the two red lines to be labelled in the legend. Apr 21, 2018 how to increase the length of the legend line learn more about plot, legend. Why does subplot size change with increasing number of. It also shows how to customize the appearance of the axes text by changing the font size.
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. Oct 07, 2016 add various horizontal lines to a plot. This code generates a plot that i would put directly on a paper. How to make 2 legends matlab answers matlab central.
I want to change the box size of the legend so it does not bump info down to lines below. Today i will expand on that article by explaining the plot legend s internal graphics hierarchy, how we can access each of these. Seven examples of how to move, color, and hide the legend. Is it possible to insert in a legend a calculated variable. 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. Create primitive line matlab line mathworks america latina. Mathworks is the leading developer of mathematical computing. Adding legend in a plot genereted by a loop matlab answers. Compress the size or reduce the line spacing of a legend in. Is it possible to define, that the legend will have an calculated data in it. Quiver chart appearance and behavior matlab mathworks benelux.
I am preparing a script which will prepare and print a flexible number of plots. For each line plotted, the legend shows a sample of the line type, marker symbol, and color beside the text label you specify. The line width cannot be thinner than the width of a pixel. Can you please comment on how exactly youre changing the line length, so that we can better modify for our own needs. 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. How to set legend marker size matlab answers matlab central.
This example shows how to add a title and axis labels to a chart by using the title, xlabel, and ylabel functions. In my case i need to plot a multicolumn legend in matlab r2019b using the numcloumns property, and i need to change the marker size in legend. How to change the length of the lines inside the legend. Label data series using a legend and customize the legend appearance such as changing the location, setting the font size, or using multiple columns. Mathworks is the leading developer of mathematical computing software for engineers and scientists. Mathworks e leader nello sviluppo di software per il. Legend with text and values of array matlab answers. With the current code, the legend just states data1, data2,data3 etc for each line. Im struggeling with formatting of a legend in a matlab plot. The green one is a solid line and the blue one is a dashed line. Legends are a useful way to label data series plotted on a graph. The following problem is that the width of the legend remains constant and does not resize.
I have a for loop and calculate some data, which i plot at the end of each loop. If i want text up there explaining something i use either title or text. I will first show the code and then provide a brief explanation of whyhow it works. How to adjust the length of line segments in legend matlab. 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 could be somewhat tricky, especially since legends are axes objects with various callbacks and listeners built in.
How to customize legend symbols and add userdefined. Line width, specified as a positive value in points, where 1 point 172 of an inch. How to change the legend colored linewidth, not the width of box. Follow 265 views last 30 days felix on 21 apr 2018. Contribute to kakearneylegendflex pkg development by creating an account on github. It simply adds the line to the current axes without deleting other graphics objects or resetting axes properties. It seems to mess with the boxing of the legend for some matlab. Ideally, if i could change the inter line spacing of the legend, this would have solved it, but i. Oct 24, 2014 or just add all 3 functions to your path, then call legendflex.
Unlike the plot function, the line function does not call newplot before plotting and does not respect the value of the nextplot property for the figure or axes. What exactly would you want to see as a legend for an image. Legend line spacing in r2014b matlab answers matlab central. I can then access and change the length of the line with the following commands. Tutorial to show how to customize a legend in origin 2018 by changing the symbol size and adding desired syntax to the legend such as a line andor symbol. Unfortunately i cant duplicate this behaviour, i just get a really small legend font size.
I can then access and change the length of the line. Youre somewhat limited in what handle graphics lets you do to the builtin characteristics of the line styles. How can i resize the horizontal linelength in legend. Oct 06, 2017 this works and the legend line length gets sized. You can specify the position of your legend yourself with coordinates, rather than using a predetermined location. The legend command shows the markers data points and line fit as a separate legend entry. Apr 08, 2014 ts me again with an maybe simple question for you.
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