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geoscene3d:building_a_layered_model:upgrading-access-interpretation-database [2025/09/15 11:36] – [Step-by-Step Workflow] devgeoscene3d:building_a_layered_model:upgrading-access-interpretation-database [2025/09/15 12:05] (current) – [Stand-Alone Conversion] dev
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 4. Configure conversion settings   4. Configure conversion settings  
-  * In the SpatiaLite Conversion dialog:   
     * Click Points EPSG... and choose the appropriate EPSG code       * Click Points EPSG... and choose the appropriate EPSG code  
     * Set the Destination File Name for the new .sqlite file       * Set the Destination File Name for the new .sqlite file  
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 5. Check result in Source Manager   5. Check result in Source Manager  
   * A new SpatiaLite source is added to the list     * A new SpatiaLite source is added to the list  
-  * The original Access source remains but is no longer used   
   * Any linked point layers (e.g., L1, L2) are now automatically connected to the new SpatiaLite file   * Any linked point layers (e.g., L1, L2) are now automatically connected to the new SpatiaLite file
 {{:geoscene3d:building_a_layered_model:spatialiteresult.png}} {{:geoscene3d:building_a_layered_model:spatialiteresult.png}}
 +  * The original Access source remains but is no longer used. It can be removed manually  
   * Optional: Select "Used by" to see which interpretations point are now using the new Spatialite file   * Optional: Select "Used by" to see which interpretations point are now using the new Spatialite file
 {{:geoscene3d:building_a_layered_model:spatialite_usedbypoints.png|}} {{:geoscene3d:building_a_layered_model:spatialite_usedbypoints.png|}}
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 6. Start editing   6. Start editing  
   * The project is now ready to continue with the converted database     * The project is now ready to continue with the converted database  
-  * You can start a new edit session or use Setup Data for Modeling to add points to the new database+  * You can start a new edit session to add points to the new database
 {{:geoscene3d:building_a_layered_model:spatialite_start_edit.png|}} {{:geoscene3d:building_a_layered_model:spatialite_start_edit.png|}}
  
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   * Only tables with UID, X, Y, and Z columns are included in the conversion     * Only tables with UID, X, Y, and Z columns are included in the conversion  
   * These columns are required for a table to be recognized as an interpretation table     * These columns are required for a table to be recognized as an interpretation table  
-  * For each valid table, all fields are preserved in the SpatiaLite output   +  * For each valid table, all standard fields are preserved in the SpatiaLite output ([[spatialite_database_structure|]])    
-  * Tables are included even if they were not imported as point layers in the Layer Manager  +  * Tables are included even if they were not point layers in layer manager
   * This ensures a complete and independent conversion of all valid interpretation tables     * This ensures a complete and independent conversion of all valid interpretation tables  
  
 ===== Coordinate Handling ===== ===== Coordinate Handling =====
-  * During conversion, the X and Y columns from Access are merged into a single geometry field named XYPoint  +  * During conversion, the X and Y columns from Access are merged into a single geometry field named XYPoint (see also [[spatialite_database_structure|]])  
   * This field is stored as a 2D POINT with the selected EPSG code, used for correct placement in external GIS tools (e.g., QGIS)     * This field is stored as a 2D POINT with the selected EPSG code, used for correct placement in external GIS tools (e.g., QGIS)  
   * The Z value is kept as a separate column representing elevation     * The Z value is kept as a separate column representing elevation  
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 ===== Stand-Alone Conversion ===== ===== Stand-Alone Conversion =====
-  * Access sources can be converted immediately after being added, even if no tables are imported or linked to layers   +  * Access sources can be converted immediately after being added to the Source Manager, even if no tables are imported as interpretation points   
-  * In this case, the source appears as Database in the Source Manager   +  * This enables a fast, stand-alone upgrade to SpatiaLite without any modelling setup   
-  * This enables a fast, stand-alone upgrade to SpatiaLite without any project setup   +  * After conversion, the new .sqlite file can be used in [[modelsetup-stepbystep|Setup Data for Modeling]] to add interpretation points. Select "Use existing database" and select tables  
-  * After conversion, the new .sqlite file can be used in Setup Data for Modeling to add interpretation points  +
  

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