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DWG import

DWG Reader Settings

When importing DWG, whether one or several files simultaneously, one should previously have thought about what you want to import to Novapoint. Freeze/turn off layers you do not want to import. These will automatically be selected in NP imports. If you are in doubt, do not import it. It is better to add something later than importing anything you are unsure of. This will gradually make the model big and unwieldy.

Look at the layers that are in the file and decide which of them you want to import:

This option is only active if you import one dwg file. If you import several at once, the layers that are frozen/turned off not be imported.

It is also possible to ignore objects on layer “0” and blocks in 0,0,0:

Determine what should happen with blocks and XREFs attached to the DWG

Determine what should happen with points from the DWG file

Determine what should happen with closed polylines/3Dfaces from the DWG file

If you select yes, and the program can not triangulate the surface, it will not be created. When selecting option no. 2, the 3D faces on the same layer will be merged into one surface. It is usually best not to import surfaces as 3D faces. Therefore, select yes to this option if you can.

Determine what should happen with solids/surfaces from the DWG file

Convert solid/surface to TIN

The solid/surface will be triangulated to triangle mesh, and are only approximate. To control the precision you can:

1. Type in the max face edge length. The smaller the value, the higher precision:

2. Type in the normal tolerance. The maximum difference in degrees between two face segments. The smaller the value, the higher precision:

3. Add point per edge surface. The higher the value, the higher precision:

4. Control of breakpoints. The higher the value, the higher precision:

Convert solid/surface to NURBS

The solid/surface will be triangulated to NURBS mesh. It will be exactly as it is in DWG.

Save Acis information for better export

All the solids/surfaces in DWG are saved as ACIS format. If this option is checked, these data will be stored as additional data for solid/surface. When exporting, it will be used as exported data instead of the solid/surface, and the result solid/surface will be exactly the same as the one in DWG that was originally imported.

Explode solid/surface before convert to TIN

Some solids/surfaces in DWG are made up of many elements. If this option is checked, the solids/surfaces are exploded before they get triangulated. This makes the result more accurate.

en/np/base/importing/importing_dwg/start.txt · Last modified: 2016/05/27 14:17 by vn_no_jko