Thus knowing the MATLAB RGB triples for the colors can be useful. You can use those numbers and divide the vector by 255 to use within MATLAB. Usually RGB colors have values from 0 to 255. 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. Thus it may be easier to use the RGB triplets, and even name them ahead of time. X1 = linspace(-10,-0.1) x2=linspace(0.1,10) Īs you may see, this could get confusing to keep track of. Others involve using the RGB triplet (see next section).
One is to use the default colors and "resetting" the order, which is shown here. Or I have a piece-wise graph that I want to have all the same color. For example, I may want some data points drawn in the same color as the curve. Many times you want to have more control of what colors are used. Title( 'Eight Basic colors (w = white not drawn)') Legend( 'b = blue (default)', 'k = black', 'r = red', 'g = green', 'y = yellow', 'c = cyan', 'm = magenta', 'Location', 'SouthEast') You can easily do the same thing using the long names.
#COLOR2GRAY MATLAB HOW TO#
The eight basic colors are known by either their short name or long name (RGB triplets are also included).Įxample of how to change the color using short names is below. Title( 'Default colors for mesh BEFORE 2014b') Note that the name of this colormap is "parula" while previous to R2014b, it was "jet" =meshgrid(linspace(0,10)) If using mesh(x,y,z), to change the look of it you would want to change 'EdgeColor'. Title( 'Hold On Now Cycles Through Colors') See below for how to manually adjust the colors. Now it will automatically move to the next color(s). In the past, each new plot command would start with the first color (blue) and you would have to manually change the color. Legend( 'color 1', 'color 2', 'color 3', 'color 4', 'color 5', 'color 6', 'color 7', 'Location', 'SouthEast')Īnother thing that changed starting in the R2014b version is that the hold on and hold off automatically cycles through the colors. Here are the colors, in order, and their MATLAB RGB triplet. The default colors used in MATLAB changed in R2014b version. Seeįor more in-depth explanations and fancier coloring, to name just two sources. This document gives BASIC ways to color graphs in MATLAB.
0 kommentar(er)
