Specify the global origin to use.īe sure to specify a seed file designed for the version of DGN you specified in the Export Location dialog box. Select this option to override the global origin setting in the seed file. UOR per Sub to 10, and sets the Global Origin to the center of the bounding rectangle of the exported objects. AutoCAD Map 3D determines the largest dimension for the set of exported objects and sets the appropriate range and precision. Select this option to override all seed file settings and have AutoCAD Map 3D calculate the settings for you. Select the seed file, which controls whether or not the output DGN file is two-dimensional or three-dimensional, sets theĬoordinate units, sets global origin, and so on. For example, if the default unit in your AutoCAD Map 3D drawing is meters, and you are using a seed file that defines meters as the Master unit, then select Master. Select the unit that matches the default unit in your AutoCAD Map 3D drawing. Select the coordinate units of the features: Master or Sub. If the second export operation fails, manually choose a seed file that works for your region and coordinate system.
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Seed file do not fully contain the extents of the AutoCAD Map 3D drawing, AutoCAD Map 3D repeats the export operation automatically using the Compute Optimal Seed File option. If the design plane coordinate bounds in the The seed file you use significantly affects the outcome of the export process. To your AutoCAD Map 3D drawing coordinates. The global origin and units of resolution should be set in a seed file that is appropriate To export to a two-dimensional DGN file, or to set a specific global origin or specific working units, reference the file The default for a version 8 DGN file is lrgseed3d_v8.dgn.
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The default for a version 7 DGN file is lrgseed.dgn. Several seed files ship with AutoCAD Map 3D. The seedįile controls working units, global origin, the version to export, and so on. The seed file you use for export has a dramatic effect on the resultingĮvery DGN file requires a seed file to give it default information (like the acad.dwg prototype or template file). Overflow these values with unpredictable results. When you export map data with large coordinate values, you can Geometry in DGN 7 files is stored in fixed-point integers. The default is to map layers to level names using You can map layers in the map to DGN levels when you export. There are two separate choices for Microstation DGN (version 7 and version 8) in the Export dialog box.