fix: cutouts generation

[hanxiao]

close #137

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (main@aec0e67). Click here to learn what that means.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #138   +/-   ##
=======================================
  Coverage        ?   67.03%           
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  Files           ?       16           
  Lines           ?     1092           
  Branches        ?        0           
=======================================
  Hits            ?      732           
  Misses          ?      360           
  Partials        ?        0           

Flag	Coverage Δ
discoart	67.03% <0.00%> (?)

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