Distorted (Crayon-like) Graph Colour

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Onn Wah Lee
Onn Wah Lee 2021-3-26
回答： George Tucker 2022-3-18
The graph that I plotted using the following line looks like crayon.
plot(this_t_vec,sq(nanmean(rep_avg(:,:,cond(plot_loop),:,:),5)),'Color',c(c_inc,:),'linewidth',2);
The colour is fine when I plot random stuff e.g. plot(rand(10)).
Your help is deeply appreciated.
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Onn Wah Lee
Onn Wah Lee 2021-3-29
Hi @darova, I want the colour to look normal instead of crayon-like. Any setting or code that I can adjust so that the graph doesnt look pixelate?

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回答（3 个）

Chidvi Modala
Chidvi Modala 2021-3-30
The graph color is based on the value you set for the property 'Color'. Based on the given information, you are setting your 'Color' property to a variable (c_inc,:). You can set the 'Color' property to [1 0 0] for red color. You may refer to the 'Color' property in the below link
https://www.mathworks.com/help/matlab/ref/plot.html#namevaluepairs
  1 个评论
Onn Wah Lee
Onn Wah Lee 2021-5-20
Thank you for your answer Chidvi. I reckoned the problem is with my dataset, and not the color setting. Even if I use [1 0 0], the colour is still crayon-like.

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darova
darova 2021-5-22
Try linesmoothing
clc,clear
x = 0:10;
y = sin(x);
plot(x,y,'linesmoothing','on')
more information: LINK
George Tucker
George Tucker 2022-3-18
I had a similar problem with slightly noisy data. It was mostly solved by setting the custom renderer of the figure to painters: (In the figure window: File>Export setup>Rendering>Tick custom renderer>Dropdown select painters (vector format) if its not the default.)

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