Scatter plot by group matlab gscatter mathworks france. I found some github threads but man the new legend command is totally different than my workflow before which was very much like this example. How to create a legend for a variable used as for loop. How can i generate different color for each value in plot. I mainly need some way to color the different plots differently.
Why not just generate four dummy points outside of your figure, one of each color, before the loop. The plot is working fine there is no wrong with it, i am getting correctly plotted values. Legend displays wrong colors when plotting multiple functions r2015b. 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. Choose different colors and plotting symbols for each group. For example, direction,reverse reverses the color scale. Use dot notation to refer to a particular object and property. Double click the wrong color legend item in figure properties window. Scatter properties control the appearance and behavior of scatter object. Follow 462 views last 30 days hassan on 21 jun 2011. Here are the rgb triplets and hexadecimal color codes for the default colors matlab uses in many types of plots. Editing colors in the legend matlab answers matlab central. The data set contains ratings of cities according to nine factors such as climate, housing, education, and health.
One can specify colors using a vector that gives the rgb triple where in matlab, each of the three values are numbers from 0 to 1. Matlab 2007a if you want to change the color of the line of the legend, you can use the following trick, %some data x0. Assigning different color in legend matlab answers. Two of the line plots are colored red and the other is colored blue. I am ploting plot 1 and line 1 and then plot 2 and line 2. Pseudocolor plot matlab pcolor mathworks united kingdom. Matlab two different colors in same line in legend. Assigning different color in legend matlab answers matlab. Control colors, line styles, and markers in plots matlab. When trying to display a legend corresponding to a scatter plot, the color of the markers do not correspond to the. I need the legend to correspond to the 2 different colors. Legend displays wrong colors when plotting multiple functions. Here are the rgb triplets and hexadecimal color codes for the default colors matlab. At the end there are same colors both blue for both lines which represented in the legend box however.
Learn more about loop, legend, auto increment matlab. Legend does pick up line colors, styles, markers, and so on. Rather than pointing the legend to the axis, pass the handles of the individual lines. For example if a row in matrix2 shows a 1 the corresponding row number in matrix1 is blue on the scatter plot and if matrix2 shows a 2 the corresponding row number in matrix1 is red on the scatter plot. Each time you call plot is independent from the other calls, and so each time the colors start from the first color again. How to set different colors for the text in a legend. Learn more about plot, color, legend, matlab, graphics. You can customize the colors, line styles, and markers when you call plotting functions. By changing property values, you can modify certain aspects of the quiver chart. Learn more about legend, plot, plotting, color matlab. The eight predefined colors and any colors you specify as rgb triplets are not part of a figures colormap, nor are they affected by changes to the figures colormap.
Colour mismatch between plot and legend matlab answers. The problem is with legend colors, it gives me only one color for four of them, while the plots are in four different colors. By default, there is no linked variable so the value is an empty character vector. Legend properties control the appearance and behavior of a legend object. Hi, if k is 7, then colors for legends are repeating for each leg. Legend not using correct colors matlab answers matlab central.
In most cases, you can specify a color using either an rgb triplet or a character vector of a color name. Follow 117 views last 30 days priya on 24 jun 2014. You can use those numbers and divide the vector by 255 to use within matlab. Legend properties control the appearance and behavior of a legend. To create a scatter plot with a legend one may use a loop and create one scatter plot per item to appear in the legend and set the label accordingly. By changing property values, you can modify certain aspects of the scatter chart. I am using this code, but its plotting same color for all the graphs. But what i want is to use matrix2 to colour code the plots. Also, not sure if your actually using flag1, flag2, y1, y2, etc. 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. Creating a legend for a boxplot with two colors matlab. Legend appearance and behavior matlab mathworks benelux. Downloads trial software contact sales pricing and licensing how to buy.
I have a plot with 4 different colors, the problem is that i dont know in which order the colors are being printed and it is a bit hard to save the order. 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. Simplest way to add a legend to the groups of a scatter. By changing property values, you can modify certain aspects of the legend. Matlab automatically updates the face color of the histogram2 object when you change its seriesindex, or when you change colororder property on the axes. A pseudocolor plot displays matrix data as an array of colored cells known as faces. 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. Learn more about legend, plot colors, legend colors not matching plot colors. 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. Specify name,value as the last pair of arguments in any of the previous syntaxes.
Lets twist the code a little to change the plot color. This property is useful for reassigning the colors, line styles, or markers of several line objects so that they match each other. Matlab evaluates the variable in the base workspace to generate the xdata. Change color order of legend matlab answers matlab central. Quiver properties control the appearance and behavior of a quiver object. I looked all over the internet, hope somebody have a suggestion to solve it. The matrix ratings contains the ratings information plot the relationship between the ratings for climate first column and housing second column grouped by city size in the matrix group. The following also demonstrates how transparency of the markers can be adjusted by giving alpha a value between 0 and 1. I would like to see which data goes with which plot.
The official color for loyola green is given as rgb. The new legend command in matlab 2018 at least when i am runing into it seems to want to be smart and list all lines no matter what i do with the handles. Or it is possible to make for leg1 different colors with b, for leg2 the same colors like for leg1 but with ro. Legend colors in loops matlab answers matlab central. Matlab title with different colors on the string matlab. It uses a different method of positioning the legend placing it relative to any axis, object, or figure, as well as options to. The problem appears, when the number of elements corresponding to. By default, the seriesindex property of a line object is a number that corresponds to. Scatter plot with different colours matlab answers. They are referred to as fixed colors, as opposed to colormap colors. I have a plot with 4 different colors, the problem is that i dont know in which order the colors are being printed and it is a bit hard to save the. The graph has two legends and plotted from a big loop.
Series index, specified as a whole number greater than or equal to 0. Change the name of the item to something like test1. As such, your legend command is applying the legend to the first three plots, all from the first call to plotgauss2d skipping some of your code, you can make your legend right by doing this. So you can use 1255255,0,0 to get the color of red to use as a color in matlab. Matlab legend color incorrect, in a loop of variable size, reading in legend names. Follow 427 views last 30 days hassan on 21 jun 2011. This way you can specify exactly which lines to label. When i change the color of a plotted line, the legend doesnt refresh. Multiple legends with colors matlab answers matlab central. You must have at least three plots in each plotgauss2d plot. Matlab uses the number to calculate indices for assigning colors when you call plotting functions. I am trying to have my legend colors correspond to my colormap. The following are the letters you can add to your code to control the color of your plot while plotting in matlab.
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