The directives that are processed by the IMX writer are listed below. The suffixes shown are prefixed by the current <WriterKeyword>_ in a mapping file. By default, the <WriterKeyword> for the IMX writer is IMX.
DATASET
The value for this directive is the writer file name.
Required/Optional
Required
Workbench Parameter
Destination Autodesk IMX File
DEF
Required/Optional
Required
The IMX writer uses IMX_DEF lines to define feature classes. A typical mapping file fragment specifying an output feature class looks like:
IMX_DEF <featureName> \
[<attributeName> <attributeType>[,<indexType>]]*
The configuration parameters present on the definition line are described in the following table:
| Parameter | Contents |
|---|---|
| featureName | This declares the name of the table |
| attributeName | This declares the name of the data property. The maximum length of property names is 100 characters. |
| attributeType |
This declares the type of the data property. The valid values are listed below: boolean datetime decimal(width, precision) int16 int32 int64 byte single double char(width) blob(width) clob(width) |
| indexType |
The valid values are listed below: IDENTITY Attributes with an IDENTITY index type must uniquely identify the feature within the table: features with non-unique values for IDENTITY attributes cannot be inserted into the destination IMX database. If multiple attributes are declared with an IDENTITY index type, then those multiple attribute form a composite identity property. |
CALCULATE_FOOTPRINTS
Required/Optional
Optional
This directive specifies the whether the representative geometry in the 3D model instance tables, such as buildings, should be a calculated footprint or a simple bounding box of the feature. Note that if the footprint returns an aggregate, the center point of the bounding box of the aggregate will be returned as the representative geometry. Note that these representative geometries are only for performance when rendering the 3D model is to expensive and will likely not be visible the majority of the time.
The default value is No
IMX_CALCULATE_FOOTPRINTS Yes
Workbench Parameter
Calculate Footprints