Setting a QGIS feature attribute value from a custom widget in form init code ($98) · Snippets · GitLab

Johannes Kröger @jkroeger · Feb 15, 2024

Explanation: When a new feature is "about to be created", the form receives a blank feature with the ID -9223372036854775808 (-2**63). In that case we have to get the actual feature's ID from the edit buffer after it has been created, which happens when the user OKs the form.

https://gis.stackexchange.com/questions/474014/changing-attributes-of-a-newly-created-feature-in-python-form-init-code/476066

Explanation: When a new feature is "about to be created", the form receives a blank feature with the ID -9223372036854775808 (-2**63). In that case we have to get the actual feature's ID from the edit buffer after it has been created, which happens when the user OKs the form. https://gis.stackexchange.com/questions/474014/changing-attributes-of-a-newly-created-feature-in-python-form-init-code/476066

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