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| How do I export a wireframe to AutoCAD? | |||||||||
1. The AutoCAD wireframe has a limit of 256 grid lines in the X and Y direction. If your grid is larger, use the Grid | Extract or Grid | Mosaic menu commands to reduce the size of the grid. 2. Choose the File | Convert menu commands to convert the GRD file to ASCII XYZ DAT. 3. Open the DAT file in the Notepad or WordPad. 4. Insert a blank row at Row 1, and add the SCR header: 3dmesh nRows nColumns where nRows and nColumns are the number of rows and columns in the grid file. Simply have a single space between these values (no commas). 5. If you have blanked nodes in the grid, use the Edit | Replace function in Notepad to replace the blanked Z values (1.70141E+38) with the minimum Z value for the grid file. 6. Choose File | Save As to save the changes to a file name with the SCR extension and enclosed in double-quotes (e.g. "wireframe.scr"). Please see attached SCR file for example. 7. Run the SCR file in AutoCAD. For example, in AutoCAD 2002, go to Tools | Run Script. 8. You can use the 3D Orbit tool in AutoCAD (View | 3D Orbit) to change the rotation and tilt.  To export a contour map as a 3D DXF file and display it in AutoCAD, please see: http://www.goldensoftware.com/activekb/questions/609 |
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