Set the fontsize and textcolor properties using namevalue pairs. It would take munging on the actual line objects within the legend itself to do thatdoable if you save the handles of the objects therein and then set the properties. The above code generates a bar graph with two sets of overlaying bars. However, i wish to see only one entry for red line labeled as data1 and the blue line to be labeled data2. By default, the seriesindex property of a errorbar object is a number that corresponds to its order of creation, starting at 1. Change color line of legend matlab posted in matlab by ths1104 on november 4, 2011 matlab 2007a. What helps is to point the legend to the correct children to use, e.
This property lists the line styles that matlab uses to display multiple plot lines in the axes. 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. When you specify namevalue pair arguments, you must specify the legend labels using a cell array. Legend colors in loops matlab answers matlab central. Learn more about legend, plot, plotting, color matlab. You can also change the background and border of the legend. If the same number of legend texts are provided and the order matches the order of the curves that are created, the color should all match. Two of the line plots are colored red and the other is colored blue. Hi, im trying to make a legend for 4 plots that are inside a for loop but then i have an additional plot outside the loop as well. For each line plotted, the legend shows a sample of the line type, marker symbol, and color beside the text label you specify. The following are the letters you can add to your code to control the color of your plot while plotting in matlab. Do i understand correctly that you have a lot of lines, but only want to have 4 legend entries which need to be of different colors. Series index, specified as a whole number greater than or equal to 0. Unlike the plot function, line adds the line to the current axes without deleting other graphics objects or resetting axes properties.
Defines the colors used by the plot and plot3 functions to color each line plotted. If you do not specify a line color with plot and plot3, these functions cycle through the colororder property to obtain the color for each line plotted. Legend appearance and behavior matlab mathworks benelux. Click line to choose a line to change, and the color dropdown to change the line color of the selected line configure plot settings. To use a different color for each contour line, specify flat. Assigning different color in legend matlab answers matlab. Plot lables with hold on matlab answers matlab central. To change the background of the legend, select the fill and line icon in the pane.
For a custom color, specify an rgb triplet or a hexadecimal color code. Learn more about legend, plot colors, legend colors not matching plot colors. Use the axes color dropdown to change the background of the plot. Changes to supported properties of colorbar and legend. Use the peer field of the event data structure to access properties of the chart object associated with the clicked legend item. Legend does pick up line colors, styles, markers, and so on. Consider creating the legend after creating all the plots to avoid. Mathworks is the leading developer of mathematical computing software for engineers and. When i want to add the legend i just want to write the legend for those two colors, but in the legend it shows me the same color.
Plot line colors and legend colors dont match matlab. Line style order, specified as a character vector, a cell array of character vectors, or a string array. Automatically plot graphs with different colors in matlab. To have more colors, change the colororder of the axes to have more color in the form of mby3 matrix of rgb values there are some preset colormaps that you can use. Contour chart appearance and behavior matlab mathworks. Lets twist the code a little to change the plot color. I already reinstalled matlab and the problem persists. If you look at the last section of the code you can see where i have legend, but it is graphing the legend with points and then lines. Lines in legend are missing matlab answers matlab central. However, setting visible to off doesnt seem to work.
An rgb triplet is a threeelement row vector whose elements specify the intensities of the red, green, and blue components of the color. If you want the colors in legend to correspond to the line colors, just call legend and specify the labels. However, when stepping through, when i first get back to the base function sampleanimation, play is false as would be expected. Is it possible to specify only a subset of the lines to be reported in the legend and relative text. On the plot tab, the configuration section allows you to modify the plot.
When plotting filled areas patch or surface objects, the legend contains a sample of the face color next to the text label. Return the two line objects as an output argument from the plot function and then set the linewidth property for each. The colors are determined by the contour value of the line, the colormap, and the scaling of data values into the colormap. For example, you can compare sets of data, track changes in data over time, or show data distribution. I changed the default bar color for each set of bars, but the legend. The plot either shows the legend of the 4 plots inside the loop or the one plot i have outside. You must have at least three plots in each plotgauss2d plot. Matlabs builtin legend command suffices for most cases when there are few objects to differentiate. To do this, youll need to open the legend format pane by rightclicking the legend and selecting format legend from the menu. How to update legend in matlab r2017a matlab answers. Skipping some of your code, you can make your legend right by doing this.
Making a multicolor line in matlab stuarts matlab videos. Editing colors in the legend matlab answers matlab central. Matlab assigns styles to lines according to their order of creation. Matlab automatically passes these inputs to the callback function when you click an item in the legend. Mathworks is the leading developer of mathematical computing software for engineers and scientists. Im trying to do the same on 2018b, but i still have some trouble, the legend line colors are different from the figure line colors. Matlab r2014b introduces a new matlab graphics system. The line color used for legend will be the same as the line color used on the graph.
Plot legend does not display any lines matlab answers. Line color, specified as an rgb triplet, a hexadecimal color code, a color name, or a short name. Axes appearance and behavior matlab mathworks switzerland. 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. This is even happening with old plots from homework from last year when last year it was giving a correct legend. Create multicolumn plot legends matlab central blogs.
New default line colors, grid lines, and graphics smoothing. The bottom line is, there is no problem in the legend function. I am plotting a simple line graph of 3 different sets of data on one plot and. But when i step one more line, play is reset to true. Here are the rgb triplets and hexadecimal color codes for the default colors matlab. Create legend and assign the legend object to the variable lgd. This property is useful for reassigning the colors, line styles, or markers of several errorbar objects so that they match each other.
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. Legend colors dont match matlab answers matlab central. Chart line appearance and behavior matlab mathworks. Learn more about plot, color, legend, matlab, graphics. Imagine if you have lines that are plotted only to identify areas in the plot space and. Mathworks e leader nello sviluppo di software per il calcolo matematico per ingegneri e ricercatori. The stop function works fine creating the figure, and when i close the figure, it calls the same function as expected including the assignin on line 10. When calling legend with two inputs the command seems ot look up the first two children in order to get the color which happens to be the children from the same plot which are red. I want to change the color of line on the legend, not plotted data. This is actually stretchig the truth a little since lines have exactly one color in matlab. As such, your legend command is applying the legend to the first three plots, all from the first call to plotgauss2d. Multiple legends with colors matlab answers matlab central. I would recommend something along the same lines example below. Instead of making a line with different colored markers in matlab, we will be making a multicolor line in matlab.
Specify the colors using either a character vector of a color name, such as red, or an rgb triplet, such as 0. If either x or y, or both are matrices, then line draws multiple lines. If you instead use plotxz,ys matlab will automatically. Lets change the color and style of the first % plot to be red and dashed, and add a legend so we can. New default colors, fonts, and styles make your data easier to interpret. I would strongly discourage you from using the ugly monster that is plotlegends also, matrixplot does some internal rescaling of the data and so onetoone correspondence with the colorbar would not. Assigning different color in legend matlab answers. I am using this code, but its plotting same color for all the graphs. It seems new version uses new features that does not allow to do the refresh in legend using the figure gui. Matlab allows you to specify a color by the rgb red green blue values, for example, deep carrot orange is defined by the rgb tuple 0. To choose line colors or background colors, on the plot tab click settings. If you want to change the color of the line of the legend, you can use the following trick. Explicitly specifying line colors when plotting a matrix.
Issues in legend color lines in for loop matlab answers. It is not showing the color coded key in the legend although it will show the label text. The graph has two legends and plotted from a big loop. The r in plot xz,ys,r means red, telling matlab you want this line to be plotted in red.
Hello, my plot has two many lines but with only two different colors. I looked all over the internet, hope somebody have a suggestion to solve it. To use the auto coloring with plot, use hold all instead of hold on the default colororder has only 7 colors. I need the legend to correspond to the 2 different colors. How to set different colors for the text in a legend. Make legend for lines matlab answers matlab central. I modified a previous answer of mine to accept minmax values and shared it in chat a few days ago.
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