2008

imported geometry is not properly welded, or if the software can’t determine
the object's center, normals might be oriented in the wrong direction. Use
the Edit Mesh or Normal modifiers to flip normals.
When this option is off, the software calculates normals according to the face
vertex order in the drawing file. Face normals for solid objects are already
unified. Make sure this option is off when importing drawings containing
solid objects.
You should also make sure this option is off when working with AutoCAD
Architecture files.
AutoCAD solids will never have their normals unified, regardless of the setting
of this import toggle. Solids generate faces and normals correctly.
Cap closed splines Applies an Extrude modifier to all closed objects, and
turns on the Cap Start and Cap End options of the modifier. The Extrude
modifier Amount value for a closed entity with no thickness is set to 0. Capping
makes closed entities with thickness appear solid and closed entities without
thickness appear flat. When Cap Closed Objects is turned off, the Extrude
modifier Cap Start and Cap End options for closed entities with thickness are
turned off. No modifiers are applied to closed entities without thickness, except
for Circle, Trace, and Solid.
NOTE If Use Extrude Modifier to Represent Thickness on page 6989 is off, the
software does not apply an Extrude modifier to closed objects.
Texture mapping The texture mapping settings affect the loading time of
models that have many objects with stored UVW Coordinates for texture
mapped materials.
NOTE This setting only applies to geometry that is stored as a mesh in the scene.
Spline shapes marked as renderable have separate controls for UVW coordinate
generation on the Spline Rendering panel.
■ No mapping coordinates When No Mapping Coordinates is used, the
software not generate texture coordinates for the mesh objects that are
imported.
When drawings are imported, objects are added to the scene as Editable
Mesh objects that do not have UVW coordinate assignments. Before
assigning materials to imported objects, you'll need to apply a
UVW Map
modifier
on page 1849 to add texture coordinates. When you then apply
the material and the material or texture map is set to Show Map in
Viewport, the texture map is displayed if the viewport is set to Smooth +
Highlights. If the UVW Map modifier is not applied, the object turns gray
AutoCAD (DWG) Files | 6991