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AutoCAD Tutorial

AutoCAD 2004 Customization Tutorial: 3D Graphics Display (Part 2)

By Alireza Parsai, May 15, 2003

See also AutoCAD 2004 Customization Tutorial: 3D Graphics Display (Part 1)

You can use the Options dialog box to control the quality of 3D models in drawing area. Let's examine some settings.

1. Download R16 - 3D Part.dwg.

Note: If you are using an earlier release of AutoCAD download R15 3D Part.dwg.

2. Open the file in AutoCAD 2004. A 3D solid model appears in Wireframe mode.

3. Enable Shade toolbar. Click Gouraud Shaded button [Figure 1].

Figure 1 - Click on image to enlarge

4. Invoke OPTIONS command. In Options dialog box select System tab [Figure 2].

Figure 2 - Click on image to enlarge

5. In Current 3D Graphics Display section, click Properties. A new dialog box appears [Figure 3].

Figure 3 - Click on image to enlarge

6. In Dynamic Tessellation section, drag both sliders to the right-most location. This action increases the quality of curves and surfaces.

7. Click Apply & Close.

8. In Options dialog box click OK. The quality of image is a little bit enhanced [Figure 4].

Figure 4 - Click on image to enlarge

9. Invoke OPTIONS. In System tab click Properties. The dialog box of figure 3 appears again.

10. In Render Options section select Enable Lights.

11. Click Apply & Close.

12. In Options dialog box click OK. The effect of lights is shown in the viewport [Figure 5].

Figure 5 - Click on image to enlarge

13. Back to the same dialog box (i.e. Options > System tab > Properties), select Enable Materials.

14. In Transparency section select High Quality/Slower [Figure 6].

Figure 6

15. Click Apply & Close. In Options dialog box click OK. The effect of material is shown [Figure 7].

Figure 7 - Click on image to enlarge

16. Invoke RMAT command (you could click Materials in Render toolbar). The Materials dialog box appears [Figure 8].

Figure 8

17. Click Materials Library. The Materials Library dialog box appears [Figure 9].

Figure 9

18. On the list to the right select BLUE GLASS and click Import. Then Click OK.

19. In Materials dialog box click Attach.

20. In drawing area select the model and then press Enter.

21. Click OK. The model shows the effect of a transparent material [Figure 10].

Figure 10 - Click on image to enlarge

About the Author

Alireza Parsai is the founder of cadpanel.com. He is a mechanical engineer with more than 12 years experience with AutoCAD. Alireza is an Autodesk Authorized Author, the AutoCAD consultant for Al Khawarizmi Institute, a contributing editor for Augiworld magazine, a writer for CAD Digest, an instructor for AUGI Training Program, and an elected speaker for Autodesk University 2002. He has written 7 books in Farsi, 3 booklets in English, and more than 30 articles for different magazines and newsletters. You can reach him at alireza.parsai@cadpanel.com or visit his website www.cadpanel.com

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