diff: support time-series files with different resolutions

[eedyyidi]

support time-series files with different resolutions: diff.py
timeseries_SET.h5 file size in y/x: (361, 387)

ion.h5 file size in y/x: (120, 193)

do diff.py timeseries_SET.h5 ion.h5 -o timeseries_SET_ion.h5 --force
timeseries_SET_ion.h5 file size in y/x: (361, 387)

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[welcome]

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[yunjunz]

@eedyyidi thank you for the PR. Could you add an example command line usage (and let me know an example data file/path for testing offline), and check the failed checks above?

[codeautopilot]

PR summary

This Pull Request introduces a new feature to handle time-series files with different resolutions in the diff.py module. The primary change is the addition of a resampling function that allows for the differencing of time-series data even when the files have different sizes or resolutions. This is achieved by resizing the data from one file to match the dimensions of the other before performing the differencing operation. The changes also include updates to the readfile.read() function to support resizing directly, which facilitates this new functionality. The implications of this PR are significant for users who need to compare datasets of varying resolutions, as it automates the resampling process and ensures compatibility between different datasets.

Suggestion

1. Consider adding unit tests to verify the correctness of the resampling functionality and ensure that the differencing operation produces expected results across various scenarios.
2. Provide more detailed documentation or examples on how to use the new resampling feature, especially for users unfamiliar with handling datasets of different resolutions.
3. Evaluate the performance impact of the resampling process, especially for large datasets, and consider optimizations if necessary.

Disclaimer: This comment was entirely generated using AI. Be aware that the information provided may be incorrect.

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