Legend line length matlab software

Feb 05, 20 adding legend in a plot genereted by a loop. How to set legend marker size matlab answers matlab central. Populating a legend dynamically matlab answers matlab central. Today i will expand on that article by explaining the plot legend s internal graphics hierarchy, how we can access each of these. I have troubles reducing the legend lines length and legend box accordingly such. The former would make calculating placement very easy. Mathworks e leader nello sviluppo di software per il. How can this issue be circumvented as i couldnt find any options that could modify this from property editor. Reduce legend line size and box accordingly matlab answers. If either x or y, or both are matrices, then line draws multiple lines. Use dot notation to refer to a particular object and propert. Oct 07, 2016 add various horizontal lines to a plot. It simply adds the line to the current axes without deleting other graphics objects or resetting axes properties.

How to increase the length of the legend line learn more about plot, legend. This could be somewhat tricky, especially since legends are axes objects with various callbacks and listeners built in. Legend and graph doesnt have the same color matlab. Please give a solution that does not use additional lines of code. Changing length of bar in legend matlab answers matlab. Add various horizontal lines to a plot matlab answers. The following problem is that the width of the legend remains constant and does not resize. Weve also decreased the horizontal space used by each legend line.

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. When plotting filled areas patch or surface objects, the legend contains a sample of the face color next to the text label. I would like to reduce the length of the lines shown in the legend of a plot in matlab. I have a for loop and calculate some data, which i plot at the end of each loop. I want to change the box size of the legend so it does not bump info down to lines below. When you say line do you mean a straight line or, in general, a curve. Minh chien trinh on 24 jul 2019 direct link to this comment. 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. Use dot notation to refer to a particular object and property. You also can create a legend with multiple columns or create a legend for a subset of the plotted data. 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. For each line plotted, the legend shows a sample of the line type, marker symbol, and color beside the text label you specify. How can i resize the horizontal linelength in legend.

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. The legend command shows the markers data points and line fit as a separate legend entry. Is it possible to specify only a subset of the lines to be reported in the legend and relative text. Lines and markers, like you get with a line plot dont really apply for an image. Reduce legend line size and box accordingly matlab. Display a marker at each data point by including the line specification input argument when calling the plot function. Compress the size or reduce the line spacing of a legend in. The following example code illustrates how you can reduce the length of the lines shown in the legend of a plot. Nov 04, 2019 i have a code as follows, which find a intersection of my function with y axis on the top and bottom. Adding legend in a plot genereted by a loop matlab.

Is there any way in matlab to reduce the length of the line sample, as it is with i. Oct 24, 2014 or just add all 3 functions to your path, then call legendflex. I saw that legend has a property linewidth, but its the width of the box, thats not what i wanted. If the line has markers, then the line width also affects the marker edges. Sep 01, 2010 i would like to reduce the length of the lines shown in the legend of a plot in matlab. When i create the legend, the length of legend appears quite big. It also shows how to customize the appearance of the axes text by changing the font size.

Then, legend should track the line patterns automagically. Im struggeling with formatting of a legend in a matlab plot. 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 example shows how to add a title and axis labels to a chart by using the title, xlabel, and ylabel functions. How to customize legend symbols and add userdefined.

Mathworks is the leading developer of mathematical computing software for engineers and scientists. Ideally, if i could change the inter line spacing of the legend, this would have solved it, but i. Matlab will ignore the numcolumns argument in you get two returns from the legend. Mathworks is the leading developer of mathematical computing software for engineers and. I am preparing a script which will prepare and print a flexible number of plots. Hello, i would like to increase the length not linewidth of the line inside the legend. With the current code, the legend just states data1, data2,data3 etc for each line. Heres a proofofconcept of legend text wrapping, using some undocumented outputs of legend and the matlab python interface. Feb, 2018 reduce legend line size and box accordingly. When i search in the product help i find examples for changing almost everything else, but cant find anything about this. Change legend width after reisze of legend line length. If i want text up there explaining something i use either title or text. 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.

Is it possible to insert in a legend a calculated variable. 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 appearance and behavior matlab mathworks italia. Unlike the plot function, line adds the line to the current axes without deleting other graphics objects or resetting axes properties. 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. 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. How to change the legend colored linewidth, not the width of box. Unfortunately i cant duplicate this behaviour, i just get a really small legend font size. No public field markersize exists for class matlab. 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. How to change the legend length learn more about barplot, legend length, legend. Legend with text and values of array matlab answers. So its probably something to do with panel didnt try that.

Quiver chart appearance and behavior matlab mathworks benelux. I have troubles reducing the legend lines length and legend box accordingly such that it does appear nicer. Bitmapped displaces have angles at every pixel, and vector displays are not able to support true curves. 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. Matlab uses the number to calculate indices for assigning color, line style, or markers when you call plotting functions. Marker and line in legend in matlab plot matlab answers. First two coordinates are the x and y start, second coordinates are the xwise length and ywise height of the legend.

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. Adding legend in a plot genereted by a loop matlab answers. By default, the seriesindex property of a quiver object is a number that corresponds to its order of creation, starting at 1. 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. Youre somewhat limited in what handle graphics lets you do to the builtin characteristics of the line styles. Today i will expand on that article by explaining the plot legend s internal. Why does subplot size change with increasing number of. Legend line spacing in r2014b matlab answers matlab central. 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. Im trying to make a legend in a matlab figure that takes less space, in particular vertical size. Heres a quick sample of how it worked for my histograms i didnt want the two red lines to be labelled in the legend. What exactly would you want to see as a legend for an image.

The indices refer to the rows of the arrays stored in the colororder and linestyleorder properties of the axes. How to change the length of the lines inside the legend. Change legend width after reisze of legend line length matlab. Jan 19, 2012 usign the legend comand all the lines plotted are reported in the legend. 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. Apr 21, 2018 how to increase the length of the legend line learn more about plot, legend. The line width cannot be thinner than the width of a pixel. By default x and x218 so put larger or smaller numbers as x1,x2 to increase or decrease the legend line size. Here is discussed how to change the length of the bar in legend axes, when a bar graph is plotted.

Legends are a useful way to label data series plotted on a graph. Legend properties control the appearance and behavior of a legend object. How to make 2 legends matlab answers matlab central. 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. Follow 833 views last 30 days riyadh muttaleb on 8. Mathworks is the leading developer of mathematical computing. I have a code as follows, which find a intersection of my function with y axis on the top and bottom. I will first show the code and then provide a brief explanation of whyhow it works. Can you please comment on how exactly youre changing the line length, so that we can better modify for our own needs. Aug 08, 2016 how can plot with smooth line learn more about smooth, spline. Mathworks is the leading developer of mathematical computing software for engineers. It seems to mess with the boxing of the legend for some matlab. Seven examples of how to move, color, and hide the legend. 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.

I can then access and change the length of the line with the following commands. This matlab function returns the length of the largest array dimension in x. Label data series using a legend and customize the legend appearance such as changing the location, setting the font size, or using multiple columns. Learn more about plot color, hold all, legend, forloop. For example, use o for a solid line with circle markers. I tried to manipulate the position object of the legend but the width seems to have an internal lower limit. The green one is a solid line and the blue one is a dashed line. Create primitive line matlab line mathworks america latina. Contribute to kakearneylegendflex pkg development by creating an account on github. A similar question has already been answered by the community.

Unfortunately these two requirements cannot be simultaneously fulfilled. Create primitive line matlab line mathworks benelux. I can then access and change the length of the line. In matlab, ultimately every curve is approximated by straight lines or discretized into pixels. Trial software how can i modify the lengh of the lines in a legend. Line width, specified as a positive value in points, where 1 point 172 of an inch. Follow 265 views last 30 days felix on 21 apr 2018. You can specify the position of your legend yourself with coordinates, rather than using a predetermined location.