Ever want to change the default order so that it plots curves with the color order you want instead of the default color order, and without having to specify the color in every single call to plot. With the legend command, the first string in the list corresponds to the first line plotted, etc. Your users can select options in the figure menu bar or the figure toolbar to show or hide that legend. I am using this code, but its plotting same color for all the graphs. Learn more about plot color, hold all, legend, forloop. However, the following conditions must be true for the changes to have any effect. Add legend support to chart container subclass matlab. Create a legend and assign the legend object to the variable lgd. For the second yaxis, this is not an issue because i am only plotting one line. Matlab 2007a if you want to change the color of the line of the legend, you can use the following trick, %some data x0. The x axis scale ranges from 1 to the number of rows in y. 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. Follow 465 views last 30 days hassan on 21 jun 2011. Starting in r2019b, you can change the color order in either of the following ways.
How do i change color of a text in a given subplot. Apr 08, 2011 i would like to have this line change color gradually, representing the time axis or the index of the x, y vectors. So you would take the trace you want to be second, cut and paste it, then do the same for the third, all the way to the nth, and then the legend would have the desired order. The rgb triplet is a threeelement row vector whose elements specify the intensities of the red, green, and blue components of the color. The following link describes tex markup for legend text in further detail. Sep 23, 2015 in earlier versions of matlab, one could achieve this by cutting and repasting traces. Instead of making a line with different colored markers in matlab, we will be making a multicolor line in matlab. Assigning different color in legend matlab answers. Mathworks is the leading developer of mathematical computing software for. If there are more lines than colors, then the cycle repeats.
An rgb triplet is a threeelement row vector whose elements specify the intensities of the red, green, and blue components of the color. Dec 07, 20 how do i change color of a text in a given. Chart line appearance and behavior matlab mathworks. Follow 452 views last 30 days hassan on 21 jun 2011. As such, your legend command is applying the legend to the first three plots, all from the first call to plotgauss2d. If y is a vector, then the x axis scale ranges from 1 to length y. For example, when plotting lines, the first line uses the first color, the second line uses the second color, and so on. I would like to reduce the length of the lines shown in the legend of a plot in matlab. I am trying to have matlab automatically cycle through the color order when using plotyy. I have found in some other posts a way of putting more extra legends, but the problem is that they all have the same color and i have not found the way to. Legend does pick up line colors, styles, markers, and so on. I want to change the color of line on the legend, not plotted data.
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. Add legend to axes matlab legend mathworks deutschland. How do i create a legend and include loop variable values in. You must have at least three plots in each plotgauss2d plot. Markeredgecolor specifies the color of the marker or the edge color for filled markers circle, square, diamond, pentagram, hexagram, and the four triangles. Aug 07, 2014 legend and graph doesnt have the same color. By changing property values, you can modify certain aspects of the legend. Set the fontsize and textcolor properties using namevalue pairs.
Learn more about legend, plot colors, legend colors not matching plot colors. How do i create a legend and include loop variable values. Jul 12, 2012 rather than pointing the legend to the axis, pass the handles of the individual lines. Plot line colors and legend colors dont match matlab. 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.
How can i set the color of text in a legend to match its. Sep 01, 2010 learn more about change, specify, dwhhgwait, shrink matlab. One way to create a legend containing the colors of the contours is to create invisible lines with the colors of the contour plots. Then, legend should track the line patterns automagically. 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.
How to automatically change line color with plotyy. You can create each plot with a handle hi, of which you store only the first entry in h. They would then reappear at the bottom of the legend. How can i modify the lengh of the lines in a legend. 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. Colorbar showing color scale matlab colorbar mathworks. Plotyy and line and axis color, legend matlab answers. This matlab function creates a legend with descriptive labels for each plotted data series. Rather than pointing the legend to the axis, pass the handles of the individual lines. Nov 04, 2011 matlab 2007a if you want to change the color of the line of the legend, you can use the following trick, %some data x0.
Follow 451 views last 30 days hassan on 21 jun 2011. This way you can specify exactly which lines to label. For example, direction,reverse reverses the color scale. 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. Jul 27, 2016 here, h is a handle to the legend object and plots is an array of the plotted line objects. I looked all over the internet, hope somebody have a suggestion to solve it. Aug 26, 2014 instead of making a line with different colored markers in matlab, we will be making a multi color line in matlab. The forloop gets the color of each line from plots, converts it into a string, and then reformats the existing label text with tex markup to change the color appropriately. For a custom color, specify an rgb triplet or a hexadecimal color code.
Feb 07, 2018 i have a similar problem, but i have used yyaxis instead of plotyy primary and secondary axes. Assuming you are using matlab r2014b or later, there are some possible workarounds that you can use for this. Create primitive line matlab line mathworks america latina. This is actually stretchig the truth a little since lines have exactly one color in matlab. Also, not sure if your actually using flag1, flag2, y1, y2, etc. Legend is a class for adding legend support to charts that inherit from matlab. I have a similar problem, but i have used yyaxis instead of plotyy primary and secondary axes. Mathworks is the leading developer of mathematical computing software for engineers and scientists. How to change the legend colored linewidth, not the. Learn more about plot, subplot, parent, child, figure, text, change, get, set, color, font size, handles matlab. Nov 01, 2015 plotyy and line and axis color, legend.
What we really are doing is making a function that will me a series of lines, each with a different color. Add a title and axis labels to the graph using the title, xlabel, and ylabel functions. Now you can use this handle h as the first argument of your legend function. May 31, 2011 with the legend command, the first string in the list corresponds to the first line plotted, etc. Line color, specified as an rgb triplet, a hexadecimal color code, a color name, or a short name. Sep 25, 2012 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. I put legend codes inside loop, thats why all figures are similar. Change the line color to a shade of bluegreen using an rgb color value. How to plot a line of a certian color matlab answers. A brute force not very elegant kind of thing i often do matlab 2015b, but should work in all is to create a new plot of a single point on the same figure with the same marker type and the size you require in the legend.
Legend and graph doesnt have the same color matlab answers. Line specification matlab linespec line specification. I got as far as changing the colors and markers in the plot itself goes, but now i need a legend that clearly displays the correlations of color and marker. Color specification matlab colorspec color specification. The short names and long names are character vectors that specify one of eight predefined colors. Specify name,value as the last pair of arguments in any of the previous syntaxes. Mathworks e leader nello sviluppo di software per il calcolo matematico per ingegneri e ricercatori. I would like to have this line change color gradually, representing the time axis or the index of the x, y vectors. Jul 14, 2018 i want to change the color of line on the legend, not plotted data. The line color used for legend will be the same as the line color used on the graph. I need to change the colors of the y axes to match the respective line colors in this case, energyblue and energygreen defined below please help. Matlab automatically updates the color, line style, or markers of the line object when you change its seriesindex, or when you change colororder or linestyleorder properties on the axes.
Change color order of legend matlab answers matlab central. Learn more about change, specify, dwhhgwait, shrink matlab. Wondering if there is a way to edit the colors in the legend directly. Skipping some of your code, you can make your legend right by doing this. By inheriting from this class, you can display a legend in your chart. Here, h is a handle to the legend object and plots is an array of the plotted line objects. Linewidth specifies the width in points of the line. How do i change the colors in a legend on a bar plot. The graph has two legends and plotted from a big loop.
Contour plot legend how to change symbol to straight line. Assigning different color in legend matlab answers matlab. Jun 23, 2016 i put legend codes inside loop, thats why all figures are similar. Another approach would be to use one of the matlab colormaps. If you instead use plotxz,ys matlab will automatically. Starting in r2019b, you can change the color order in. If the plot data changes, you might need to reset the location to best. Then, use dot notation to access the fontsize property and set the value to 14 points. I also want to change the color of both yaxes to black. If y is a matrix, then the plot function plots the columns of y versus their row number. Follow this post to change the color of the legend. Aug 15, 2014 ever want to change the default order so that it plots curves with the color order you want instead of the default color order, and without having to specify the color in every single call to plot. How do i vary color along a 2d line learn more about surface, trick, plot, color, multicolor, 2d.
Currently, every additional line added to the first yaxis has the same color unless i manually change it. To add a legend title, set the string property of the legend text object. The plot either shows the legend of the 4 plots inside the loop or the one plot i have outside. Legend and graph doesnt have the same color matlab. Matlab graphics give you control over these visual characteristics.
But i just thought id show people how to change the default color order that you get when you plot lines without specifying the color. By default x and x218 so put larger or smaller numbers as x1,x2 to increase or decrease the legend line size. 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. Create primitive line matlab line mathworks switzerland. This is basically mike garritys solution with a forloop to make it more suitable for larger number of data sets. Axes appearance and behavior matlab mathworks italia. In earlier versions of matlab, one could achieve this by cutting and repasting traces. To change the title appearance, such as the font style or color, set legend text properties.