How can I label each pixel of the output of IMAGESC with its value?

I have drawn an image with the IMAGESC command and would like to label each pixel with its value.

Answer 1

[MathWorks Support Team]

The following code illustrates how this might be done:

% Generate Random Data

N = 5;

M = rand(N);

x = repmat(1:N,N,1); % generate x-coordinates

y = x'; % generate y-coordinates

% Generate Labels

t = num2cell(M); % extact values into cells

t = cellfun(@num2str, t, 'UniformOutput', false); % convert to string

% Draw Image and Label Pixels

imagesc(M)

text(x(:), y(:), t, 'HorizontalAlignment', 'Center')

[Image Analyst]

@RC here is what it looks like if there is a Nan:

% Generate Random Data
N = 5;
M = rand(N);
M(3,3) = nan;
x = repmat(1:N,N,1); % generate x-coordinates
y = x'; % generate y-coordinates
% Generate Labels
t = num2cell(M); % extact values into cells
t = cellfun(@num2str, t, 'UniformOutput', false); % convert to string
% Draw Image and Label Pixels
imagesc(M)
text(x(:), y(:), t, 'HorizontalAlignment', 'Center')

What do you want to see?