Field Calculator FAQ

1.[Warning] "Error while reading the expression file."

  • Cause: Failure to read the expression file or inability to open the file.
  • Solution: Check if the expression file exists and is not in use.

2.[Error] "Python environment configuration error, unable to use Python for editing."

  • Cause: Abnormal Python environment configuration, leading to the Python editor being disabled.
  • Solution: Due to unknown reasons causing Python environment corruption, try reinstalling the - software using the installation package.

3.[Error] "Python Initialization failed."

  • Cause: Python environment initialization failed.
  • Solution: Due to unknown reasons causing Python environment corruption, try reinstalling the software using the installation package.

Other Issues with the Field Calculator

1. After clicking in the top-left corner of the current view's table, not all vectors in the current layer are selected, only a portion of the vectors are selected.
  • The attribute table uses a partial loading display method, meaning not all items are displayed at once. When the scrollbar reaches the bottom, any data that hasn't been fully loaded yet will continue to load. Therefore, if the data has not been fully loaded, clicking the top-left corner of the current view's table will only select the partially loaded data.

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