Home/ Questions/Error in .call.graphics(c_palette2, .call(c_palette2, null)): invalid graphics state - simple way to solve it
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Aaron Paul
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Asked: 2022-05-17T12:48:35+00:00 In:

Error in .call.graphics(c_palette2, .call(c_palette2, null)): invalid graphics state – simple way to solve it

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I’m trying to run a new project. I do a couple of things like this:

date trt var val
 1/8/2008 cc sw5 0.2684138
 1/8/2008 cc sw15 0.2897586
 1/8/2008 cc sw5 0.2822414
 2/8/2008 cc sw5 0.2494583
 2/8/2008 cc sw5 0.2692917
 2/8/2008 cc sw15 0.2619167
 2/8/2008 cc sw5 0.204375
 3/8/2008 cc sw5 0.2430625
 3/8/2008 cc sw5 0.2654375
 3/8/2008 cc sw5 0.2509583
 3/8/2008 cc sw5 0.2055625
 1/8/2008 ccw sw15 0.2212414
 1/8/2008 ccw sw5 0.3613448
 1/8/2008 ccw sw5 0.2607586
 2/8/2008 ccw sw5 0.2087917
 2/8/2008 ccw sw15 0.3390417
 2/8/2008 ccw sw5 0.2436458
 2/8/2008 ccw sw5 0.290875
 3/8/2008 ccw sw5 0.20175
 3/8/2008 ccw sw15 0.328875
 3/8/2008 ccw sw5 0.2328958
 3/8/2008 ccw sw5 0.2868958
df<-df[order(as.Date(df$date,format="%d/%m/%Y")),,drop=FALSE]
ggplot(data = df,aes(x = date,y = val)) + 
  geom_point(aes(group = trt))

But in my program, I am getting the warning:

Error in .Call.graphics(C_palette2, .Call(C_palette2, NULL)) : 
  invalid graphics state

Can someone explain why the “error in .call.graphics(c_palette2, .call(c_palette2, null)): invalid graphics state” issue happened? Where have I gone wrong? Thank you!

ggplot2
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2 Answers

  1. Best Answer
    Expert

    The cause: The error invalid graphics state occurs as the present plot window is too small to satisfy the requirements of the displayed plot.

    Solution: You should expand the plot window by deleting all the plots in the console to create a large plot area. Then, the graphics state will not be reported error anymore.

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  2. This happens when you combine ggplot and plot charts within the same session. Paul suggested a solution: “dev.off”.

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