AutoCAD
3D Modeling:
Render Window
February 24, 2004
The output image of
the
render
operation can be diverted to a special
window
called
Render
Window. You can
use the
Render
Preferences dialog box and alter the destination to
Render
Window. The
following tutorial shows you how to benefit from the
window.
Note:
This tutorial is
designed for
AutoCAD
2004 though might be applicable to other releases.
1. Download and then
open
r16_render_window.dwg.
The file contains the model of an armchair on a flat circular
plane [Figure 1].
Note:
If you are using
AutoCAD
2002 or an earlier release download
r15_render_window.dwg.

Figure 1
2. Invoke the RPREF
command (select View >
Render
> Preferences). The
Render
Preferences dialog box appears [Figure 2].

Figure 2
3. Make sure that
Skip
Render
Dialog option
is selected. The destination is set to
Render
Window and the
Apply
Materials
option is deselected. Click OK.
4. Invoke the
RENDER
command (Select View >
Render
>
Render). The
Render Window
shows the rendered image [Figure 3]. Maximize the
window.

Figure 3 -
click on image to enlarge
5. Click the first
button on the right side of the
Render
window toolbar to
enable the Options dialog box [Figure 4]. You could
alternatively select Options on the File menu.

Figure 4
6. In Size in Pixels
section, select the 1024×768 option. Deselect the Fit in
Window
option and then click OK.
7. From
Window
menu click the Reuse
Window
option to deselect it. Also close the current open image.
8. Back to
AutoCAD
invoke the
RENDER
command. The result appears in the
Render
Window as shown
here [Figure 5]. The result that you get may be different from
the following image.

Figure 5 -
click on image to enlarge
9. Back to
AutoCAD
window. Invoke
the RPREF command (select View >
Render
> Preferences). Select the Apply Materials option and then click
OK.
10. Repeat the
Render.
11. In the
Render
window, from the
Window menu
select Tile. From the Files menu select Options. Select the Fit
in
Window option and
then click OK. You can compare the results as shown in figure 6.

Figure 6 -
click on image to enlarge
12. Click the
window
to the left. Click the Save button on the toolbar (i.e. the
second button to the left of the toolbar). The Save BMP dialog
box appears. Save the image as a bitmap file.
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, and an
instructor for AUGI Training Program. He has written 8 books in
Farsi, 3 booklets in English, and more than 100 articles for
different magazines and newsletters. You can reach Alireza at
alireza.parsai@cadpanel.com or visit his website
www.cadpanel.com.
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