What software can I use to create a 1/2/3-dimensional array visualization by only inputting some numbers? In addition to existing software, anything like javascript/python packages is also welcome.

I want to show the exact numbers on the visualization automatically:

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I would prefer a solution which can read numbers from files, but it's also fine for me to manually input the numbers.

This software does exactly what I want https://archive.codeplex.com/?p=arrayvisualizer but this seems not to be maintained and can't be downloaded anymore.


There is a discussion of a python method here. It uses histograms and maps the data in 2-d. Includes source code.

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