Two of the line plots are colored red and the other is colored blue. The plot is working fine there is no wrong with it, i am getting correctly plotted values. Control colors, line styles, and markers in plots matlab. Why not just generate four dummy points outside of your figure, one of each color, before the loop. You can customize the colors, line styles, and markers when you call plotting functions. Legend displays wrong colors when plotting multiple functions r2015b. Downloads trial software contact sales pricing and licensing how to buy. I am trying to have my legend colors correspond to my colormap. Legend not using correct colors matlab answers matlab central. The following are the letters you can add to your code to control the color of your plot while plotting in matlab. The indices refer to the rows of the arrays stored in the colororder property of the axes. Here are the rgb triplets and hexadecimal color codes for the default colors matlab. 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 object. The problem appears, when the number of elements corresponding to. Id like to add a correction to this solution, since it doesnt work properly in my case 8. Rather than pointing the legend to the axis, pass the handles of the individual lines. How to create a legend for a variable used as for loop. Matlab title with different colors on the string matlab. I am ploting plot 1 and line 1 and then plot 2 and line 2. Editing colors in the legend matlab answers matlab central.
I would like to see which data goes with which plot. 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. Also, not sure if your actually using flag1, flag2, y1, y2, etc. When trying to display a legend corresponding to a scatter plot, the color of the markers do not correspond to the. Scatter plot by group matlab gscatter mathworks france. Learn more about legend, plot colors, legend colors not matching plot colors. Hi, if k is 7, then colors for legends are repeating for each leg.
Change color order of legend matlab answers matlab central. 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. 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. Learn more about loop, legend, auto increment matlab. Assigning different color in legend matlab answers. By default, there is no linked variable so the value is an empty character vector. Double click the wrong color legend item in figure properties window. Legend appearance and behavior matlab mathworks benelux. The surface is defined by a grid of x and ycoordinates that.
Legend colors in loops matlab answers matlab central. 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 properties control the appearance and behavior of a legend. Colour mismatch between plot and legend matlab answers. Follow 462 views last 30 days hassan on 21 jun 2011. The following also demonstrates how transparency of the markers can be adjusted by giving alpha a value between 0 and 1. Each time you call plot is independent from the other calls, and so each time the colors start from the first color again.
So you can use 1255255,0,0 to get the color of red to use as a color in matlab. Matlab 2007a if you want to change the color of the line of the legend, you can use the following trick, %some data x0. 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. Simplest way to add a legend to the groups of a scatter. 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. Learn more about legend, plot, plotting, color matlab.
Legend displays wrong colors when plotting multiple. I am using this code, but its plotting same color for all the graphs. By changing property values, you can modify certain aspects of the legend. 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. Matlab automatically updates the face color of the histogram2 object when you change its seriesindex, or when you change colororder property on the axes. By default, the seriesindex property of a line object is a number that corresponds to. I mainly need some way to color the different plots differently. The data set contains ratings of cities according to nine factors such as climate, housing, education, and health. 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.
For example, direction,reverse reverses the color scale. Legend does pick up line colors, styles, markers, and so on. Multiple legends with colors matlab answers matlab central. Matlab legend color incorrect, in a loop of variable size, reading in legend names. In most cases, you can specify a color using either an rgb triplet or a character vector of a color name. Matlab evaluates the variable in the base workspace to generate the xdata.
Pseudocolor plot matlab pcolor mathworks united kingdom. Learn more about plot, color, legend, matlab, graphics. If you link a variable, then matlab does not update the xdata values immediately. Lets twist the code a little to change the plot color. At the end there are same colors both blue for both lines which represented in the legend box however. 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. Assigning different color in legend matlab answers matlab. The graph has two legends and plotted from a big loop. 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. Scatter plot with different colours matlab answers. It uses a different method of positioning the legend placing it relative to any axis, object, or figure, as well as options to. 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. When i change the color of a plotted line, the legend doesnt refresh. Change the name of the item to something like test1.
I looked all over the internet, hope somebody have a suggestion to solve it. 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 changing property values, you can modify certain aspects of the scatter chart. The official color for loyola green is given as rgb. Specify name,value as the last pair of arguments in any of the previous syntaxes. Or it is possible to make for leg1 different colors with b, for leg2 the same colors like for leg1 but with ro. Quiver properties control the appearance and behavior of a quiver object. Legend displays wrong colors when plotting multiple functions. 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. A pseudocolor plot displays matrix data as an array of colored cells known as faces. Matlab uses the number to calculate indices for assigning colors when you call plotting functions. But what i want is to use matrix2 to colour code the plots. Scatter properties control the appearance and behavior of scatter object.
Creating a legend for a boxplot with two colors matlab. Matlab two different colors in same line in legend. Follow 427 views last 30 days hassan on 21 jun 2011. Series index, specified as a whole number greater than or equal to 0. They are referred to as fixed colors, as opposed to colormap colors. You must have at least three plots in each plotgauss2d plot. 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. Choose different colors and plotting symbols for each group. Here are the rgb triplets and hexadecimal color codes for the default colors matlab uses in many types of plots. This way you can specify exactly which lines to label. This property is useful for reassigning the colors, line styles, or markers of several line objects so that they match each other. How can i generate different color for each value in plot. How to set different colors for the text in a legend. 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.