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In QGIS 3, What's the difference between "Do not filter (better performance)" and "Ignore invalid geometries"?

Both can be found at Settings > Options > Processing > General

Both are options to ignore invalid geometries during spatial analysis.

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    Read it literally. "Do not filter" disables filtering, thus also invalid geometries are forwarded to processing. – user30184 Feb 3 at 20:02
  • @user30184 thanks for the info. so what happens to invalid geometries if they are still forwarded to processing? could that lead to some errors? – csft306 Feb 4 at 17:07
  • I would guess that it depends on what algorithm is the next on the row and how sensitive it is. – user30184 Feb 4 at 18:59
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"Ignore invalid geometries" is poorly worded -- this option should be "Skip features with invalid geometries". Selecting it causes those features to be skipped over, just like they don't exist.

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