hatched pie chart (阴影/条纹填充饼图)

function for hatched pie chart, hatched pie chart with offset slices. (need at least R2017b)

Basic usage

X = [1 3 0.5 2.5 2];

% Create hatched pie chart object
HP = hatchedPie(X, 'HatchType',{'/','.','|','+','x'});
% Draw hatched pie chart
HP = HP.draw(); 


% Hatch Type
% ==========================================
% "/"                   —  Forward diagonal
% "\"                   —  Backward diagonal
% "_"/"-"               —  Horizontal
% "|"                   —  Vertical
% "+"                   —  Cross
% "x"                   —  Diagonal Cross
% "."                   —  Dot
% "w"/"W"/"white"       —  White
% "k"/"K"/"black"       —  Black
% "gray"/"grey"         —  Gray
% ==========================================

Hatched pie chart with offset slices and legend

X = [1 3 0.5 2.5 2];
explode = [0 1 0 5 0];
% Create hatched bar chart object with offset slices
HP = shadowPie(X, explode, 'HatchType',{'/','.','|','+','x'});
HP = HP.draw();
% Create legend
HP.legend({'AAA','BBB','CCC','DDD','EEE'}, 'FontSize',13, 'FontName','Cambria');

Face color

clc; clear; close all
X = [1 3 0.5 2.5 2];
explode = [0 1 0 5 0];

% Create hatched bar chart object with offset slices
HP = shadowPie(X, explode, 'HatchType',{'/','.','|','+','x'});
HP = HP.draw(); 

% Create legend
HP.legend({'AAA','BBB','CCC','DDD','EEE'}, 'FontSize',13, 'FontName','Cambria');

% Change face color
% Palette: user-defined nx3 matrix (values in [0,1])
colorList = [ 52   101   117
             121   172   189
             155   177   187
             236   189   149
             228   222   206]./255;

% Since both legend and pie chart are patch objects, 
% detect whether a legend exists and apply coloring accordingly in two cases.
pieHdl = findobj(gca, 'Type','Patch', 'Tag','pieBox');
if ~isempty(findobj(gca, 'Tag','lgdBox'))
    for i = 1:length(pieHdl)/2
        set(pieHdl(length(pieHdl)/2 + 1 - i), 'FaceColor',colorList(i,:))
        set(pieHdl(length(pieHdl)/2 + 1 - i + length(pieHdl)/2), 'FaceColor',colorList(i,:))
    end
else
    for i = 1:length(pieHdl)
        set(pieHdl(length(pieHdl) + 1 - i), 'FaceColor',colorList(i,:))
    end
end