Copying a figure with black background not working

Question

Poulomi 2024-7-8

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2135326-copying-a-figure-with-black-background-not-working

评论： Poulomi 2024-7-8

采纳的回答： SAI SRUJAN

在 MATLAB Online 中打开

I want to copy and paste my figure onto ppt.

I have made a figure using black background

This is what it looks like in open figure window:

However if I directly copy and paste it to ppt from the edit menu, it looks like this:

When I save it as jpg, this is what it looks like:

How to solve this issue?

Part of the code: (I am not sure if the way to make the background as black is the issue)

fig = figure;
fig.Color = 'k'; % figure background color black
tiledlayout(1, (num_days), 'TileSpacing', 'compact', 'Padding', 'compact');
% code to generate figure
ax = nexttile; % made it as I have to change the axis to white and background to black
% Set the axes background color to black
        ax.Color = 'k'; % sets the axes color to black
        % Adjust the colors for axes and grid to be more visible against the black background
        ax.XColor = 'w'; % sets the x-axis line color to white
        ax.YColor = 'w'; % sets the y-axis line color to white
        ax.GridColor = 'w'; % sets the grid lines color to white (if visible grid is present)

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Answer 1

SAI SRUJAN 2024-7-8

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2135326-copying-a-figure-with-black-background-not-working#answer_1482486

在 MATLAB Online 中打开

Hi Poulomi,

I understand that you are facing an issue with copying a figure with black background.

MATLAB's exportgraphics function provides more control over the export process. You can use it to save your figure while preserving the black background:

exportgraphics(fig, 'figure.png', 'BackgroundColor', "k");

For a comprehensive understanding of the 'exportgraphics' function in MATLAB, please refer to the following documentation.

https://www.mathworks.com/help/matlab/ref/exportgraphics.html

I hope this helps!