Is there any package or a way to draw Taylor diagrams (From this paper) easily?

Any help will be appreciated.

enter image description here

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  • Welcome to TeX.Stackexchange! – samcarter Oct 11 at 20:12
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    I'm not sure if there is a dedicated package for only these diagrams, but I think you could just do them with polar axes that come with pgfplots, particularly see section 5.10.6 Partial Polar Axes of the manual as well as 5.11. SMITH CHARTS. – marmot Oct 11 at 20:37
up vote 7 down vote accepted

OK. So, I won't do all the work for you. But, I will do enough so that you should be able to figure out how to add everything else that remains to be done.

enter image description here

What I show you here is as follows:

  • How to clip a portion of a picture
  • How to draw concentric circles about a given center
  • How to label along a curved path
  • How to place a label at a point along a path
  • How label at the end points of a line
  • How to get different styles of dashed and dotted lines
  • How to plot points
  • Different approaches to scaling the text

And, I believe that should allow you to complete the rest of the picture.

Here's the code to generate the diagram:


  %% notation (<angle>:<radius>)   gives polar coordinates 
  %%          (<x-coor>,<y-coord>) Euclidean coordinates

  %% draw semi-circles clipped by the 1st quadrant arc
  %% `scope` prevents the entirety of the remainder of
  %%         picture from being clipped.
    \draw[clip] (0,0) -- (1,0) arc (0:90:1) -- cycle;
    \foreach \myr in {1,2,...,5}
        %% draw a circle centered at (5/7,0)
        %% arc starts at point (\myr/6,0) and proceeds through an
        %% angle of 180 degrees with a radius of \myr/6 units
        \draw[blue,densely dotted] (5/7,0) ++ (\myr/6,0) arc (0:180:\myr/6);

  %% place a label along one of the above clipped arcs.
  \path (5/7,0) ++ (2/6,0) arc (0:180:2/6) node[pos=0.75,
                                                inner sep=4pt,
                                                blue] (A) {$0.25$};

  %% label the correlation coefficient values
  \pgfkeys{/pgf/number format/precision=1}
  \foreach \myp in {0,1,2,...,11}
      %% calculate the angle \myangle from the integer \myp
      %% handle labels that don't follow the previous pattern
      \ifdim\mylabel pt=1.0pt%%
      \ifdim\mylabel pt=1.1pt%%
      %% draw the dashed lines from orgin to arc with labels outside arc
            dash pattern=on 1.25pt off 0.5pt,
            line width=0.1pt] (\myangle:1) node[black,
                                                {$\scriptscriptstyle\mylabel$}  -- (0,0);

  %% labeling along a curve                                        
  %% a fancy approach that's necessary for labels conforming to    
  %% a curved path.  Not necessary for labels along straight lines.
  \path[postaction={decoration={text along path,
                                text align=center,
                                text={Correlation Coefficient}},
       (0,1.15) arc (90:0:1.15);

  %% some data points
  \node[blue]           at (35:4/7+1/2*1/7) {$\diamond$};
  \node[red,scale=0.5]  at (32:5/7)         {$\pmb{\triangle}$};

  %% draw the quarter circle in the first quadrant
  \draw (0,0) -- (1,0);
  \draw (0,0) -- (1,0) arc (0:90:1) -- cycle;



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