Esri Personal Geodatabase MDB Writer Parameters

If checked, deletes the existing database.

Indicates which transaction mechanism the Geodatabase writer should use. Within ArcGIS, there are currently two transaction mechanisms: edit sessions and (regular) transactions. An edit session corresponds to a long transaction. During an edit session, edits made by other users do not become visible until the edit session is ended. If a translation does not complete successfully and the Geodatabase writer is using an edit session, then all the edits will be discarded.

• Edit Session: Starts an edit session and then ends it when the translation is finished. This value should be used when edits are made to tables that have custom behavior associated with them.
• Transactions: Starts the (regular) transaction mechanism. This can be used only when writing to non-versioned tables that do not have custom behavior.
• None: No transaction mechanism is used. This can be used only when writing to non-versioned tables that do not have custom behavior. None differs from Transactions with a transaction interval of zero in that if the write fails, all successful features are committed for None, but are discarded for Transactions.

If specified, tells FME to import the complete schema from the template file into the database. Enter the pathname of the Esri XML workspace document to import. The import occurs after opening the Geodatabase for writing, but before any tables are created or features are written. Any error that occurs during import will cause the translation to fail.

Note that although the template file may contain both schema and data, FME only imports the schema.

ArcGIS geometry has to satisfy certain constraints to be considered valid. For example, polygons must have more than 2 vertices. This parameter allows you to specify whether geometry that breaks those constraints will be simplified to ensure only valid geometry is written.

Note that simplifying geometries can be resource-intensive.

For details on the conditions for invalid geometry and how it is simplified, please refer to ArcGIS documentation: Simplifying a Geometry and Calling the Simplify Method.

The X-coordinate of the origin for all feature classes (individual origins can be set – see Geodatabase Table Representation in the FME Readers and Writers manual) and all feature datasets. This is used as an offset because coordinate data is stored as positive integers, relative to the origin, ranging from 0 to 2147483647 (so if the X origin is set below 0, then the maximum value will also drop, and vice versa). The value must be a real number. The default is 0.

Is the same as the X Origin except this it is for Y coordinate values.

This parameter is only used when creating new feature classes. It is not used by the File-based Geodatabase writer, as default values are used for the domain and resolution.

A scaling conversion factor from world units to integer system units for all feature classes and all feature datasets. This is used to specify the level of precision to keep when storing XY coordinates, since all coordinates are stored as integers.

The x,y scale is the inverse of the spatial reference's XY Resolution. The resolution is defined as the minimum unit in map units that separate unique x values and unique y values for feature coordinates.

Examples

• If the XY scale is defined to be 100, which corresponds to the XY resolution of .01 units, then an x value of 3.03 is considered different than 3.04, but the same as 3.033.
• If you have the coordinate (5.354, 566.35) and you set the XY scale to be 100, then the coordinate stored will be (5.35, 566.35).

For more information, see Esri's documentation on the properties of a Spatial Reference.

The default value is 100 when writing to an Enterprise Geodatabase and 0 when writing to a Personal Geodatabase.

Determines whether or not the dataset contains z coordinates. Valid values are Yes, No, or Auto Detect. The default is Auto Detect.

Because Geodatabase does not allow mixed 2D and 3D features in the same feature class, it is best to select YES if you have mixed dimensions. The 2D features will be forced to 3D.

When set to Auto Detect, the writer determines the dimension of the feature class by checking the dimension of the first feature headed for that feature class.

Is the same as the other origins, except it it is for Z coordinate values.

This is the same as X and Y Scale parameters, except it is for Z coordinates. The default value is 100 when writing to an Enterprise Geodatabase and 0 when writing to a Personal Geodatabase.

This parameter is only used when creating new feature classes. It is not used by the File-based Geodatabase writer as default values are used for the domain and resolution.

This sets the global grid 1 size for the whole translation. It may be overridden if the DEF line has the setting for GRID{1} parameter. For the Enterprise Geodatabase writer, the default is 1000 and for the Personal Geodatabase and File-based Geodatabase writers, the default is 0. This directive is only used when creating new feature classes.