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Metric Tutorials - Autodesk

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Play the walkthrough to view the changes that you made<br />

8 In the Project Browser, under Walkthroughs, double-click Walkthrough 1.<br />

9 To play the walkthrough, on the Options Bar, click Edit Walkthrough, and then click .<br />

10 Proceed to the next exercise, Recording the Walkthrough on page 698.<br />

Recording the Walkthrough<br />

In this exercise, you record the walkthrough that you created in the previous exercise by exporting it to an<br />

AVI file. When you export the walkthrough, you can select to display the walkthrough in wireframe, hidden<br />

line, shading, shading with edges, or rendering.<br />

Training File<br />

Continue to use the training file you used in the previous exercise, c_Townhouse.rvt.<br />

1 Click File menu ➤ Export ➤ Walkthrough.<br />

2 In the Length/Format dialog, under Output Length, for Frames/sec, enter 15.<br />

3 Under Format, for Model Graphics Style, select , and click OK.<br />

4 In the Export Walkthrough dialog, specify a path and a file name for the AVI, and click Save.<br />

5 In the Video Compression dialog, for Compressor, select any codec (compression/decompression)<br />

that is available on your system, and click OK.<br />

NOTE The available Compressor options are specific to your current computer system. If you are<br />

unsure of what option to use, the Full Frames (Uncompressed) option is available to all users. It<br />

produces files that are larger than compressed files, but that do not suffer loss due to compression<br />

quality.<br />

The walkthrough is recorded.<br />

6 Double-click the AVI file to play the walkthrough from the location that you specified previously,<br />

without opening <strong>Autodesk</strong> Revit Structure 2009.<br />

7 Try creating other walkthroughs, specifying the number of frames, reducing the size of the<br />

image, perhaps to 6'' wide x 4'' height, and with a frame rate of from 15-30 frames per second.<br />

If you had 150 frames and a frame rate of 15 seconds, then you are moving from the breakfast<br />

area to the living room window in 10 seconds. Reducing the size of the output images and<br />

managing the frame rate lets you create realistic and smooth movement.<br />

8 If you want to save this exercise, click File menu ➤ Save As, and save the exercise file with a<br />

unique name.<br />

9 Close the exercise file without saving your changes.<br />

698 | Chapter 22 Rendering Views and Creating Walkthroughs

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