The legend automatically updates when you add or delete data series from 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 placing another axis on top of the first one. Learn more about legend, plot, scatter, mismatch, update, plotting matlab. This matlab function displays a vertical colorbar to the right of the current axes or chart. For each line plotted, the legend shows a sample of the line type, marker symbol, and color beside the text label you specify. Then, it shows how to add a legend, display the grid lines, and specify. This example shows how to add a legend to a pie chart that displays a description for each slice. Ana says, thank you very much for the answer, i still dont understand very well how i have to associate the y values for all the bar plots to appear in one graph but i will have a look at it tonight and post again if i have any further question. You can create each plot with a handle hi, of which you store only the first entry in h. Run the command by entering it in the matlab command window. By changing property values, you can modify certain aspects of the legend. View and modify colormap, control color scaling, add colorbar. Add legend to axes matlab legend mathworks benelux.
To fix, its probably easiest to just plot each row one at a time. Add legend labels to map contour display matlab clegendm. Legend appearance and behavior matlab mathworks italia. Learn more about plot color, hold all, legend, forloop. This matlab function adds a legend specifying the contour line heights, c, to the current map contour plot, h. This is basically mike garritys solution with a forloop to make it more suitable for larger number of data sets. When working with figures in matlab, youll often find yourself referencing graphic handles, so i recommend brushing up on them.
When plotting filled areas patch or surface objects, the legend contains a sample of the face color next to the text label. If the displayname property is empty, then the legend uses a label of the form datan. Legend and graph doesnt have the same color matlab. This example shows how to overlay two bar graphs and specify the bar colors and widths. This matlab function creates a legend with descriptive labels for each. I have a plot with two yaxis which i made using the matlab command yyaxis. Here are the rgb triplets and hexadecimal color codes for the default colors matlab uses in. The number of elements in labels must match the length of the colormap. Id like to add a correction to this solution, since it doesnt work properly in my case 8. Follow 446 views last 30 days hassan on 21 jun 2011. Rik on 18 feb 2020 i want to put a colorbar to the right of a plot.
However, id also like to put a readable title on the colorbar to identify the. Display image with scaled colors matlab imagesc mathworks. Learn more about legend, plot colors, legend colors not matching plot colors. Colorbar with text labels matlab lcolorbar mathworks. Axes objects have properties that you can use to customize the appearance of the axes. Legends are useful for labelling complicated plots. Specify name,value as the last pair of arguments in any of the previous syntaxes. Now you can use this handle h as the first argument of your legend function. Heres a quick sample of how it worked for my histograms i didnt want the two red lines to be labelled in the legend. How do i change the colors in a legend on a bar plot when. Add axis labels to the chart by using the xlabel and ylabel functions. 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. I tried solutions which i found on the so and web, but i couldnt resolve this. Using the handle for the colorbar in your case, the variable hcb, you can locate the colorbar handle title using the get function.
The labels input argument is specified as a string array or cell array of character vectors. So it takes the colors of those two from the first two that you plotted, which were in blue color. For example, direction,reverse reverses the color scale. This matlab function displays the data in array c as an image that uses the full range of colors in the colormap. For the labels, the legend uses the text from the displayname properties of the data series. Once youve found the handle for the colorbar title, you can directly change the title string via the set function. Follow 452 views last 30 days hassan on 21 jun 2011. I need help to get the color of the legend to show properly to indicate the respective graphs. Colormaps define the color scheme for many types of visualizations, such as. Legend position on a plot matlab answers matlab central.
I made a legend for it but it is coming out as black and white instead of coming out with the color of the graphs. The problem appears, when the number of elements corresponding to different colors is not the same, for instance. By changing property values, you can modify certain aspects of the colorbar. Colorbar properties control the appearance and behavior of a colorbar object. For example, the fontsize property controls the font size of the title, labels, and legend access the current axes object using the gca function. Not all types of charts support modifying the colorbar appearance. Legend properties control the appearance and behavior of a legend object. If you want to use legend you need to have a matrix data, so the bar plot will show several bars per entry. Legend entries all same color in matlab 2015b matlab.
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