MATLAB: How to avoid undercase in plot legend

legendname

Hello,

i have names like:

roc_file_name =
    '003_m1_30_90_ramp_20200611_200632_SNR_F1_PLL.mat'

how can i avoid the lower case in legend?
How can i open new legends "on the fly" (somethink like hold on for plots)

And another question, by the way –

if I have a full path:

fullfile(FilePath,roc_file_name)

    ans = '/home/user/workspace/QT/Software_2.0_QT/IO/Motor_Set_1/AKG_C1000S/Distance_0.5m/Scenario_M1/003_m1_30_90_ramp_20200611_200632/003_m1_30_90_ramp_20200611_200632_SNR_F1_PLL.mat'

can I easy convert to

short_name = 'MS1/AKG/0.5m/M1/003' or short_name = 'MS1_AKG_0.5m_M1_003' or simmilar?

Thank you!

Best Answer

Try this:

legend('003_m1_30_90_ramp_20200611_200632_SNR_F1_PLL.mat', 'Interpreter','none')

It ‘turns off’ the existing interpreter for that legend object only. (This also works for other text objects.)

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MATLAB: Plot multiple legend in a loop with variable

I suggest you apply this 2-step approach to your code.

Step 1: Use the DisplayName property of graphics objects to define the legend strings.

Step 2: Use the graphics object handles to specify what is included in the legend.

This example below shows the structure of these two steps.

cla()               % clear axes
hold on
n = 6; 
h = gobjects(n,3);  % used to store the graphics handles
labels = {'aaa' 'bbb' 'ccc' 'ddd' 'eee' 'fff'};
colors = lines(n); 
for j = 1:3
    for i = 1:n
        % STEP 1: use DisplayName
        h(i,j) = plot(1:5, rand(1,5)+i-1, '-o', 'Color', colors(i,:), 'DisplayName', labels{i})
    end
end
% STEP 2: Specify which handles are included. 
legend(h(:,1));  % Only include the 1st column of handles

MATLAB: Cut part of filename using delimiter

If you're using R2016b or later, extractBefore might be a good option.

newStr = extractBefore(name, "_SNR");
name_join = strcat(newStr, ".mat");

Best Answer

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MATLAB: Plot multiple legend in a loop with variable

MATLAB: Cut part of filename using delimiter

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