Plot hatched bars with the hatched legends

Question

bassant tolba 2025-2-4

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2173620-plot-hatched-bars-with-the-hatched-legends

评论： Mathieu NOE 2025-2-6

The first problem I have 6 bars, I need to make the last three bars (number 5,6,7) hatched for each point on the x axis (such as point 1 , point 2...until point 5). but this code makes the bars number 4,5, and 6 are hatched not the bars number 5,6,7.

The second problem I need to show the hatched in the legend.. this code deos not appear them.

Furthermore, I used here the libraies hatchfill2_r8 and legendflex

This is my code

x = [1,2,3,4,5];

y1=[0.405 0.25 1.14 1.39 0.20 1.09 1.34 ; 0.62 0.47 2.25 2.76 0.42 2.13 2.62;0.88 0.82 3.48 4.24 0.68 3.20 3.92 ;1.26 1.16 4.71 5.72 1.04 4.38 5.34 ;1.71 1.40 5.83 7.09 1.13 5.31 6.50 ];%all

h1 = bar(y1);

% hatchfill parameters

cm = colororder; % or replace with the desired colormap

hfcolor = cm([1 2 3],:); % i'm going to reorder this for convenience

hfstyle = {'cross','cross','cross'};

hfangle = [45 45 45];

% generate hatch fills on the bar objects

hhf = gobjects(6,1);

for k = 1:3

hhf(k) = hatchfill2(h1(k+3),hfstyle{k}, ...

'HatchAngle',hfangle(k), ...

'HatchColor',hfcolor(k,:), ...

'HatchDensity',50); % see note

h1(k+3).FaceColor = 'none';

end

% figure setup

set(gca,'TickLabelInterpreter','latex', 'LineWidth', 1,'FontSize',12, 'YMinorTick','on');

xlabel('$\textbf{Number of tasks}$','FontWeight','bold','FontSize',12,...

'FontName','Palatino Linotype','Interpreter','latex');

ylabel('$\textbf{Total delay [S]}$','FontWeight','bold','FontSize',12,...

'FontName','Palatino Linotype','Interpreter','latex');

ylim([0 9])

% assemble the legend

legendstr = {'\textbf{Kunlun model}', ...

'\textbf{Proposed framework without AES}', ...

'\textbf{Proposed framework with AES-128}', ...

'\textbf{Proposed framework with AES-256}', ...

'\textbf{Delay-energy-aware without AES}', ...

'\textbf{Delay-energy-aware with AES-128}', ...

'\textbf{Delay-energy-aware with AES-256}'};

[~,hlobj] = legendflex(h1,legendstr,'Interpreter','latex', ...

'Anchor',{'nw','nw'}, ...

'Buffer',[10 -10], ...

'FontWeight','bold', ...

'FontSize',9.5, ...

'FontName','Palatino Linotype');

% hatch the legend patches to match the bars

for k = 4:6

hhf(k) = hatchfill2(hlobj(k+6).Children,hfstyle{k-3}, ...

'HatchAngle',hfangle(k-3), ... % use the same parameters as before

'HatchColor',hfcolor(k-3,:), ...

'HatchDensity',20); % but density is different

end

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Answer 1

Mathieu NOE 2025-2-4

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2173620-plot-hatched-bars-with-the-hatched-legends#answer_1559000

在 MATLAB Online 中打开

hello is this the correct result you expect ?

two simple corrections (wrong indexes)

1/ to get the correct bars hatched :

for k = 1:3 hhf(k) = hatchfill2(h1(k+3),hfstyle{k}, ...

replaced with

for k = 1:3 hhf(k) = hatchfill2(h1(k+4),hfstyle{k}, ...

2/ to correct the legend

for k = 4:6 hhf(k) = hatchfill2(hlobj(k+6).Children,hfstyle{k-3}, ..

replaced with :

for k = 4:6 hhf(k) = hatchfill2(hlobj(k+8).Children,hfstyle{k-3}, ...

full code :

x = [1,2,3,4,5]; 
y1=[0.405 0.25 1.14 1.39 0.20 1.09 1.34 ; 0.62 0.47  2.25 2.76 0.42 2.13 2.62;0.88 0.82  3.48  4.24  0.68 3.20  3.92 ;1.26 1.16 4.71  5.72 1.04 4.38 5.34 ;1.71 1.40 5.83 7.09  1.13 5.31  6.50 ];%all
h1 = bar(y1);  
% hatchfill parameters
cm = colororder; % or replace with the desired colormap
hfcolor = cm([1 2 3],:); % i'm going to reorder this for convenience
hfstyle = {'cross','cross','cross'};
hfangle = [45 45 45];
% generate hatch fills on the bar objects
hhf = gobjects(6,1);
for k = 1:3
    hhf(k) = hatchfill2(h1(k+4),hfstyle{k}, ...
                        'HatchAngle',hfangle(k), ...
                        'HatchColor',hfcolor(k,:), ...
                        'HatchDensity',50); % see note
    h1(k+3).FaceColor = 'none';
end
% figure setup
set(gca,'TickLabelInterpreter','latex', 'LineWidth', 1,'FontSize',12, 'YMinorTick','on');
xlabel('$\textbf{Number of tasks}$','FontWeight','bold','FontSize',12,...
    'FontName','Palatino Linotype','Interpreter','latex');
ylabel('$\textbf{Total delay [S]}$','FontWeight','bold','FontSize',12,...
    'FontName','Palatino Linotype','Interpreter','latex');
ylim([0 9])
% assemble the legend
legendstr = {'\textbf{Kunlun model}', ...
             '\textbf{Proposed framework without AES}', ...
             '\textbf{Proposed framework with AES-128}', ...
             '\textbf{Proposed framework with AES-256}', ...
             '\textbf{Delay-energy-aware without AES}', ...
             '\textbf{Delay-energy-aware with AES-128}', ...
             '\textbf{Delay-energy-aware with AES-256}'};
[~,hlobj] = legendflex(h1,legendstr,'Interpreter','latex', ...
                    'Anchor',{'nw','nw'}, ...
                    'Buffer',[10 -10], ...
                    'FontWeight','bold', ...
                    'FontSize',9.5, ...
                    'FontName','Palatino Linotype'); 
% hatch the legend patches to match the bars 
for k = 4:6
    hhf(k) = hatchfill2(hlobj(k+8).Children,hfstyle{k-3}, ...
                        'HatchAngle',hfangle(k-3), ... % use the same parameters as before
                        'HatchColor',hfcolor(k-3,:), ...
                        'HatchDensity',20); % but density is different
end

18 个评论
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Mathieu NOE 2025-2-5

在 MATLAB Online 中打开

no problem, you can do this way - here I sipmly picked one of the already predefined colormap and uses it for bars and legend

or you can use your own colors , that must be defined as a N x 3 array , in the order you prefer

this is my result here with a HSV colormap . for sake of simplicity the hatch color is by default.

code modified :

NB I don't use any color argumant here when I call legendflex or hatchfill2 - I keep the colors I have used in the bar plot section.

x = [1,2,3,4,5]; 
data=[0.405 0.25 1.14 1.39 0.20 1.09 1.34 ; 0.62 0.47  2.25 2.76 0.42 2.13 2.62;0.88 0.82  3.48  4.24  0.68 3.20  3.92 ;1.26 1.16 4.71  5.72 1.04 4.38 5.34 ;1.71 1.40 5.83 7.09  1.13 5.31  6.50 ];%all
cm = colormap('hsv');
[mmap,nmap] = size(cm);
% grouped bar plot with colors defined by j index going from 1 to n in N discrete values - mapping the entire range of 
% selected colormap
h1 = bar(data);  
[M,N] = size(data);
for j = 1:N
  ind = fix(1+(mmap-1)*(j-1)/(N-1));
  col = cm(ind,:);
  h1(j).FaceColor = 'flat';
  h1(j).CData = col;
end
% hatchfill parameters
hfstyle = {'cross','cross','cross'};
hfangle = [45 45 45];
% generate hatch fills on the bar objects
hhf = gobjects(6,1);
for k = 1:3
    hhf(k) = hatchfill2(h1(k+4),hfstyle{k}, ...
                        'HatchAngle',hfangle(k), ...
                        'HatchDensity',50); % see note
end
% figure setup
set(gca,'TickLabelInterpreter','latex', 'LineWidth', 1,'FontSize',12, 'YMinorTick','on');
xlabel('$\textbf{Number of tasks}$','FontWeight','bold','FontSize',12,...
    'FontName','Palatino Linotype','Interpreter','latex');
ylabel('$\textbf{Total delay [S]}$','FontWeight','bold','FontSize',12,...
    'FontName','Palatino Linotype','Interpreter','latex');
ylim([0 9])
% assemble the legend
legendstr = {'\textbf{Kunlun model}', ...
             '\textbf{Proposed framework without AES}', ...
             '\textbf{Proposed framework with AES-128}', ...
             '\textbf{Proposed framework with AES-256}', ...
             '\textbf{Delay-energy-aware without AES}', ...
             '\textbf{Delay-energy-aware with AES-128}', ...
             '\textbf{Delay-energy-aware with AES-256}'};
[~,hlobj] = legendflex(h1,legendstr,'Interpreter','latex', ...
                    'Anchor',{'nw','nw'}, ...
                    'Buffer',[10 -10], ...
                    'FontWeight','bold', ...
                    'FontSize',9.5, ...
                    'FontName','Palatino Linotype'); 
% hatch the legend patches to match the bars 
for k = 4:6
    hhf(k) = hatchfill2(hlobj(k+8).Children,hfstyle{k-3}, ...
                        'HatchAngle',hfangle(k-3), ... % use the same parameters as before
                        'HatchDensity',20); % but density is different
end

Mathieu NOE 2025-2-5

在 MATLAB Online 中打开

more fun with jet colormap - used in reversed order :

x = [1,2,3,4,5]; 
data=[0.405 0.25 1.14 1.39 0.20 1.09 1.34 ; 0.62 0.47  2.25 2.76 0.42 2.13 2.62;0.88 0.82  3.48  4.24  0.68 3.20  3.92 ;1.26 1.16 4.71  5.72 1.04 4.38 5.34 ;1.71 1.40 5.83 7.09  1.13 5.31  6.50 ];%all
cm = colormap('jet');
% cm = colormap('lines');
[mmap,nmap] = size(cm);
% grouped bar plot with colors defined by j index going from 1 to n in N discrete values - mapping the entire range of 
% selected colormap
h1 = bar(data);  
[M,N] = size(data);
for j = 1:N
  % for gradually changing colormaps use these lines 
  ind = fix(1+(mmap-1)*(j-1)/(N-1));
%   col = cm(ind,:); % ascending order
  col = cm(mmap + 1 - ind,:); % descending order
  
  % for discrete colormap like 'lines' use this line
%   col = cm(j,:); % ascending order
%   col = cm(N+1- j,:); % descending order
  
  h1(j).FaceColor = 'flat';
  h1(j).CData = col;
end
% hatchfill parameters
hfstyle = {'cross','cross','cross'};
hfangle = [45 45 45];
% generate hatch fills on the bar objects
hhf = gobjects(6,1);
for k = 1:3
    hhf(k) = hatchfill2(h1(k+4),hfstyle{k}, ...
                        'HatchAngle',hfangle(k), ...
                        'HatchDensity',50); % see note
end
% figure setup
set(gca,'TickLabelInterpreter','latex', 'LineWidth', 1,'FontSize',12, 'YMinorTick','on');
xlabel('$\textbf{Number of tasks}$','FontWeight','bold','FontSize',12,...
    'FontName','Palatino Linotype','Interpreter','latex');
ylabel('$\textbf{Total delay [S]}$','FontWeight','bold','FontSize',12,...
    'FontName','Palatino Linotype','Interpreter','latex');
ylim([0 9])
% assemble the legend
legendstr = {'\textbf{Kunlun model}', ...
             '\textbf{Proposed framework without AES}', ...
             '\textbf{Proposed framework with AES-128}', ...
             '\textbf{Proposed framework with AES-256}', ...
             '\textbf{Delay-energy-aware without AES}', ...
             '\textbf{Delay-energy-aware with AES-128}', ...
             '\textbf{Delay-energy-aware with AES-256}'};
[~,hlobj] = legendflex(h1,legendstr,'Interpreter','latex', ...
                    'Anchor',{'nw','nw'}, ...
                    'Buffer',[10 -10], ...
                    'FontWeight','bold', ...
                    'FontSize',9.5, ...
                    'FontName','Palatino Linotype'); 
% hatch the legend patches to match the bars 
for k = 4:6
    hhf(k) = hatchfill2(hlobj(k+8).Children,hfstyle{k-3}, ...
                        'HatchAngle',hfangle(k-3), ... % use the same parameters as before
                        'HatchDensity',20); % but density is different
end

Mathieu NOE 2025-2-5

在 MATLAB Online 中打开

and if you have defined your own prefered colors lke an the example below :

x = [1,2,3,4,5]; 
data=[0.405 0.25 1.14 1.39 0.20 1.09 1.34 ; 0.62 0.47  2.25 2.76 0.42 2.13 2.62;0.88 0.82  3.48  4.24  0.68 3.20  3.92 ;1.26 1.16 4.71  5.72 1.04 4.38 5.34 ;1.71 1.40 5.83 7.09  1.13 5.31  6.50 ];%all
% my 8 prefered colors 
% [0.0,0.0,0.3]		% dark blue
% [1.0,1.0,0.0]		% bright yellow
% [0.0,1.0,0.0]		% bright gren
% [0.3,0.3,0.3]		% dark gray
% [1.0,0.4,0.2]		% orange
% [0.0,1.0,1.0]		% light blue
% [1.0,0.0,1.0]		% pink
% [0.9,0.9,0.9]		% light gray
cm = [[0.0,0.0,0.3]
[1.0,1.0,0.0]
[0.0,1.0,0.0]
[0.3,0.3,0.3]
[1.0,0.4,0.2]
[0.0,1.0,1.0]
[1.0,0.0,1.0]
[0.9,0.9,0.9]];
[mmap,nmap] = size(cm);
% grouped bar plot with colors defined by j index going from 1 to n in N discrete values 
h1 = bar(data);  
[M,N] = size(data);
for j = 1:N
  col = cm(j,:); % ascending order
%   col = cm(N+1- j,:); % descending order
  
  h1(j).FaceColor = 'flat';
  h1(j).CData = col;
end
% hatchfill parameters
hfstyle = {'cross','cross','cross'};
hfangle = [45 45 45];
% generate hatch fills on the bar objects
hhf = gobjects(6,1);
for k = 1:3
    hhf(k) = hatchfill2(h1(k+4),hfstyle{k}, ...
                        'HatchAngle',hfangle(k), ...
                        'HatchDensity',50); % see note
end
% figure setup
set(gca,'TickLabelInterpreter','latex', 'LineWidth', 1,'FontSize',12, 'YMinorTick','on');
xlabel('$\textbf{Number of tasks}$','FontWeight','bold','FontSize',12,...
    'FontName','Palatino Linotype','Interpreter','latex');
ylabel('$\textbf{Total delay [S]}$','FontWeight','bold','FontSize',12,...
    'FontName','Palatino Linotype','Interpreter','latex');
ylim([0 9])
% assemble the legend
legendstr = {'\textbf{Kunlun model}', ...
             '\textbf{Proposed framework without AES}', ...
             '\textbf{Proposed framework with AES-128}', ...
             '\textbf{Proposed framework with AES-256}', ...
             '\textbf{Delay-energy-aware without AES}', ...
             '\textbf{Delay-energy-aware with AES-128}', ...
             '\textbf{Delay-energy-aware with AES-256}'};
[~,hlobj] = legendflex(h1,legendstr,'Interpreter','latex', ...
                    'Anchor',{'nw','nw'}, ...
                    'Buffer',[10 -10], ...
                    'FontWeight','bold', ...
                    'FontSize',9.5, ...
                    'FontName','Palatino Linotype'); 
% hatch the legend patches to match the bars 
for k = 4:6
    hhf(k) = hatchfill2(hlobj(k+8).Children,hfstyle{k-3}, ...
                        'HatchAngle',hfangle(k-3), ... % use the same parameters as before
                        'HatchDensity',20); % but density is different
end

Mathieu NOE 2025-2-5

在 MATLAB Online 中打开

tx u2

and if you like to play further with colors / colormaps , there are several good Fex submissions like

200 colormap - File Exchange - MATLAB Central

here one last example with : cm=slanCM('tab10',N);

x = [1,2,3,4,5]; 
data=[0.405 0.25 1.14 1.39 0.20 1.09 1.34 ; 0.62 0.47  2.25 2.76 0.42 2.13 2.62;0.88 0.82  3.48  4.24  0.68 3.20  3.92 ;1.26 1.16 4.71  5.72 1.04 4.38 5.34 ;1.71 1.40 5.83 7.09  1.13 5.31  6.50 ];%all
% grouped bar plot with colors defined by j index going from 1 to n in N discrete values 
h1 = bar(data);  
[M,N] = size(data);
cm=slanCM('tab10',N);
for j = 1:N
  col = cm(j,:); % ascending order
%   col = cm(N+1- j,:); % descending order
  h1(j).FaceColor = 'flat';
  h1(j).CData = col;
end
% hatchfill parameters
hfstyle = {'cross','cross','cross'};
hfangle = [45 45 45];
% generate hatch fills on the bar objects
hhf = gobjects(6,1);
for k = 1:3
    hhf(k) = hatchfill2(h1(k+4),hfstyle{k}, ...
                        'HatchAngle',hfangle(k), ...
                        'HatchDensity',50); % see note
end
% figure setup
set(gca,'TickLabelInterpreter','latex', 'LineWidth', 1,'FontSize',12, 'YMinorTick','on');
xlabel('$\textbf{Number of tasks}$','FontWeight','bold','FontSize',12,...
    'FontName','Palatino Linotype','Interpreter','latex');
ylabel('$\textbf{Total delay [S]}$','FontWeight','bold','FontSize',12,...
    'FontName','Palatino Linotype','Interpreter','latex');
ylim([0 9])
% assemble the legend
legendstr = {'\textbf{Kunlun model}', ...
             '\textbf{Proposed framework without AES}', ...
             '\textbf{Proposed framework with AES-128}', ...
             '\textbf{Proposed framework with AES-256}', ...
             '\textbf{Delay-energy-aware without AES}', ...
             '\textbf{Delay-energy-aware with AES-128}', ...
             '\textbf{Delay-energy-aware with AES-256}'};
[~,hlobj] = legendflex(h1,legendstr,'Interpreter','latex', ...
                    'Anchor',{'nw','nw'}, ...
                    'Buffer',[10 -10], ...
                    'FontWeight','bold', ...
                    'FontSize',9.5, ...
                    'FontName','Palatino Linotype'); 
% hatch the legend patches to match the bars 
for k = 4:6
    hhf(k) = hatchfill2(hlobj(k+8).Children,hfstyle{k-3}, ...
                        'HatchAngle',hfangle(k-3), ... % use the same parameters as before
                        'HatchDensity',20); % but density is different
end

bassant tolba 2025-2-5

编辑：Mathieu NOE 2025-2-5

在 MATLAB Online 中打开

Ooh this is really amazing..

I will try it..also, please, I have one further question I’m sorry.. now I added a new bar.. and I tried to fix the indices like you showed me before, but the last bar does not appear in the legend.. kindly, please how can I fix it? …

Thank you sooo muchhhh

Here is my code.

x = [1,2,3,4,5]; 
data=[0.405 0.333 0.25 1.14 1.39 0.20 1.09 1.34 ; 0.62 0.52 0.47 2.25 2.76 0.42 2.13 2.62;0.88 0.86 0.82 3.48 4.24 0.68 3.20 3.92 ;1.26 1.21 1.16 4.71 5.72 1.04 4.38 5.34 ;1.71 1.55 1.40 5.83 7.09 1.13 5.31 6.50 ];%all
% my 8 prefered colors 
% [0.0,0.0,0.3] % dark blue
% [1.0,1.0,0.0] % bright yellow
% [0.0,1.0,0.0] % bright gren
% [0.3,0.3,0.3] % dark gray
% [1.0,0.4,0.2] % orange
% [0.0,1.0,1.0] % light blue
% [1.0,0.0,1.0] % pink
% [0.9,0.9,0.9] % light gray
cm=[[0.4940 0.1840 0.5560]
    [0.3010 0.7450 0.9330]
    [0 0.4470 0.7410]
    [0.8500 0.3250 0.0980]
    [0.9290 0.6940 0.1250]
    [1, 1, 1]
    [1, 1, 1]
    [1, 1, 1]]
% cm = [[0.0,0.0,0.3]
% [1.0,1.0,0.0]
% [0.0,1.0,0.0]
% [0.3,0.3,0.3]
% [1.0,0.4,0.2]
% [0.0,1.0,1.0]
% [1.0,0.0,1.0]
% [0.9,0.9,0.9]];
[mmap,nmap] = size(cm);
% grouped bar plot with colors defined by j index going from 1 to n in N discrete values 
h1 = bar(data); 
[M,N] = size(data);
for j = 1:N
    col = cm(j,:); % ascending order
    % col = cm(N+1- j,:); % descending order
    
    h1(j).FaceColor = 'flat';
    h1(j).CData = col;
end
% hatchfill parameters
hfstyle = {'cross','cross','cross'};
hfangle = [45 45 45];
hfcolor = cm([3 4 5],:);
% generate hatch fills on the bar objects
hhf = gobjects(6,1);
for k = 1:3
    hhf(k) = hatchfill2(h1(k+5),hfstyle{k}, ...
        'HatchAngle',hfangle(k), ...
        'HatchColor',hfcolor(k,:), ...
        'HatchDensity',50); % see note
end
% figure setup
set(gca,'TickLabelInterpreter','latex', 'LineWidth', 1,'FontSize',12, 'YMinorTick','on');
xlabel('$\textbf{Number of tasks}$','FontWeight','bold','FontSize',12,...
    'FontName','Palatino Linotype','Interpreter','latex');
ylabel('$\textbf{Total delay [S]}$','FontWeight','bold','FontSize',12,...
    'FontName','Palatino Linotype','Interpreter','latex');
ylim([0 9])
% assemble the legend
legendstr = {'\textbf{Kunlun model}', ...
    '\textbf{Proposed framework without AES}', ...
    '\textbf{Proposed framework with AES-128}', ...
    '\textbf{Proposed framework with AES-256}', ...
    '\textbf{Delay-energy-aware without AES}', ...
    '\textbf{Delay-energy-aware with AES-128}', ...
    '\textbf{Delay-energy-aware with AES-256}'};
[~,hlobj] = legendflex(h1,legendstr,'Interpreter','latex', ...
    'Anchor',{'nw','nw'}, ...
    'Buffer',[10 -10], ...
    'FontWeight','bold', ...
    'FontSize',9.5, ...
    'FontName','Palatino Linotype'); 
% hatch the legend patches to match the bars 
for k = 4:6
    hhf(k) = hatchfill2(hlobj(k+9).Children,hfstyle{k-3}, ...
        'HatchAngle',hfangle(k-3), ... % use the same parameters as before
        'HatchColor',hfcolor(k-3,:), ...
        'HatchDensity',20); % but density is different
end

Mathieu NOE 2025-2-5

在 MATLAB Online 中打开

I prefered to change a bit the way everything is indexed in your code to make it more robust

so , normally, with the new code below , there is no risks of bad surprises (until next arrises !)

the only paramter you may want to change is the numerical value in this line : here we want the 5th and following bars to be white and hatched.

% define which bars must be hatched
% the numbers correspond to the bars that must appear white and hatched
col_index_hat = (5:N);

this defines which bars must be white and hatched (if I understand correctly what you want)

you can test the code with a different value (3 or 4 instead of 5) and see the effect

also you must ensure that the legendd size is matching the data size , otherwise you will get a wrong legend plot.

that's why I added this piece of code to add asmany legend entries as needed - but of course it's now your task to fill the legend with the right info's.

% if more data is added then we need to add also new legend entries         
 if numel(legendstr)< N
     for k =1:N-numel(legendstr)
        legendstr =[legendstr, '\textbf{new data}']; % add new string cells
     end
 end

this should be the result with the first data set (5 x 7 )

and with the larger data set (5 x 8)

full code :

% x = [1,2,3,4,5];  % seems we don't need this line
% 5 by 7 data
data=[0.405 0.25 1.14 1.39 0.20 1.09 1.34 ; 0.62 0.47  2.25 2.76 0.42 2.13 2.62;0.88 0.82  3.48  4.24  0.68 3.20  3.92 ;1.26 1.16 4.71  5.72 1.04 4.38 5.34 ;1.71 1.40 5.83 7.09  1.13 5.31  6.50 ];%all
% 5 by 8 data
% data=[0.405 0.333 0.25 1.14 1.39 0.20 1.09 1.34 ; 0.62 0.52 0.47 2.25 2.76 0.42 2.13 2.62;0.88 0.86 0.82 3.48 4.24 0.68 3.20 3.92 ;1.26 1.21 1.16 4.71 5.72 1.04 4.38 5.34 ;1.71 1.55 1.40 5.83 7.09 1.13 5.31 6.50 ];%all
% general colormap for bars (no need here to repeat a white line multiple times at the bottom)
cm=[[0.4940 0.1840 0.5560]
    [0.3010 0.7450 0.9330]
    [0 0.4470 0.7410]
    [0.8500 0.3250 0.0980]
    [0.9290 0.6940 0.1250]];
[mmap,nmap] = size(cm);
% colormap for hatches
hfcolor = [
[0.0,0.0,0.3]		% dark blue
[0.0,1.0,0.0]		% bright gren
[1.0,0.0,1.0]		% pink
[1.0,0.4,0.2]		% orange
[0.0,1.0,1.0]		% light blue
[0.3,0.3,0.3]		% dark gray
[0.9,0.9,0.9]		% light gray
[1.0,1.0,0.0]		% bright yellow
];
% grouped bar plot with colors defined by j index going from 1 to n in N discrete values 
h1 = bar(data);  
[M,N] = size(data);
% define which bars must be hatched
% the numbers correspond to the bars that must appear white and hatched
col_index_hat = (5:N);
% color management (hatched vs. non hatched bars)
for j = 1:N
    % either pick a "true" color or white according to bar number 
    if j>=col_index_hat(1) % use white col only for hatched bars
      col = [1, 1, 1];
  else
    col = cm(j,:); % ascending order
%   col = cm(N+1- j,:); % descending order
  end
  
  h1(j).FaceColor = 'flat';
  h1(j).CData = col;
end
% hatchfill parameters (valid whatever the number of hatched bars)
hfstyle = 'cross';
hfangle = [45];
% generate hatch fills on the bar objects
% hhf = gobjects(6,1); % seems we don't need this line
for k = 1:numel(col_index_hat)
    hhf(k) = hatchfill2(h1(col_index_hat(k)),hfstyle, ...
                        'HatchAngle',hfangle, ...
                        'HatchColor',hfcolor(k,:), ...
                        'HatchDensity',50); % see note
end
% figure setup
set(gca,'TickLabelInterpreter','latex', 'LineWidth', 1,'FontSize',12, 'YMinorTick','on');
xlabel('$\textbf{Number of tasks}$','FontWeight','bold','FontSize',12,...
    'FontName','Palatino Linotype','Interpreter','latex');
ylabel('$\textbf{Total delay [S]}$','FontWeight','bold','FontSize',12,...
    'FontName','Palatino Linotype','Interpreter','latex');
ylim([0 9])
% assemble the legend
legendstr = {'\textbf{Kunlun model}', ...
             '\textbf{Proposed framework without AES}', ...
             '\textbf{Proposed framework with AES-128}', ...
             '\textbf{Proposed framework with AES-256}', ...
             '\textbf{Delay-energy-aware without AES}', ...
             '\textbf{Delay-energy-aware with AES-128}', ...
             '\textbf{Delay-energy-aware with AES-256}'};
         
% if more data is added then we need to add also new legend entries         
 if numel(legendstr)< N
     for k =1:N-numel(legendstr)
        legendstr =[legendstr, '\textbf{new data}']; % add new string cells
     end
 end
         
[~,hlobj] = legendflex(h1,legendstr,'Interpreter','latex', ...
                    'Anchor',{'nw','nw'}, ...
                    'Buffer',[10 -10], ...
                    'FontWeight','bold', ...
                    'FontSize',9.5, ...
                    'FontName','Palatino Linotype'); 
                
% hatch the legend patches to match the bars 
for k = 1:numel(col_index_hat)
    hhf(k) = hatchfill2(hlobj(col_index_hat(k)+N).Children,hfstyle, ...
                        'HatchAngle',hfangle, ... % use the same parameters as before
                        'HatchColor',hfcolor(k,:), ...    
                        'HatchDensity',20); % but density is different
end

bassant tolba 2025-2-5

Really thank you soo much for your effort. I deeply appreciate that.. you helped me so much.. I hope you all the best and moreee.

Mathieu NOE 2025-2-6

tx

have a nice day

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Plot hatched bars with the hatched legends

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