Autodesk 24000-000000-9860 - Revit Architecture - PC, Руководство пользователя

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Rendered image with daylight portals
Daylight portals are useful only for interior views that include sunlight. That is, on the Rendering dialog,
under Lighting, the selected Scheme must be Interior: Sun only, or Interior: Sun + Artificial. (See
Controlling
Lighting in a Rendered Image on page 1166.)
By default, daylight portals are turned off. If a rendered image shows sunlight reflecting off surfaces, and
the sunlight is speckled or splotchy, you may be able to improve the image by turning on daylight portals.
NOTE The use of daylight portals can significantly increase render time.
To turn on daylight portals for an interior view that includes sunlight, use the Render Quality Settings dialog.
See
Defining a Custom Render Quality on page 1163 and Render Quality Settings on page 1163.
Controlling the Size of the Rendered Image
Before rendering a 3D view, you can use the following techniques to control its print size (in pixels) and file
size (in bytes). The width and height of the rendered image display on the Rendering dialog under Output.
■ Render part of the 3D view : Use a render region, a crop region, or a section box. See Defining the View
Area to Render on page 1161.
■ Zoom in or out : When creating a rendered image for screen output, you can zoom in or out to make the
rendered image larger or smaller. See Zoom Tool on page 191.
■ Change the output resolution : When creating a rendered image for printing, you can specify the image
resolution in DPI (dots per inch). See Defining Render Settings on page 1159.
NOTE Higher resolution and larger image size increase render time. See Render Performance and Image Size/Quality
on page 1175.
Controlling Lighting in a Rendered Image
1 In the Rendering dialog , under Lighting, for Scheme, select the desired setting.
2 If you selected a lighting scheme that uses sunlight, for Sun, select the desired sun position.
1166 | Chapter 17 Rendering