Framing a Roof

A roof object can be automatically framed with rafters, collars (collar beams), ridges, and other roof elements with the Roof Framer command. The command creates framing member objects. If Enable Auto-classing is selected in the Standard Naming dialog box, all roof framing members will be automatically placed in the Structural-Framing class.

This command does not work on roof face objects.

To automatically frame a roof:

1. Select the roof face or roof object.

2. Select AEC > Framing > Roof Framer.

The Roof Framer dialog box opens.

3. Select the tab for the type of roof framing element to create, and select the check box to create the framing element. More than one type can be selected at the same time; other framing elements can be added later.

An individual framing element can be added with the Framing Member tool, available from the Detailing tool set.

4. Enter the framing parameters for each desired framing element as described in the following sections.

5. Instead of aligning the framing to the top or bottom of the roof, the framing can be aligned to a roof component when components have been defined or when they are included as part of a roof style. Select Use Roof Components and then select the component for alignment from the Select Roof Component list.

6. For each selected roof framing element, click Object Attributes to specify its appearance.

The Attributes dialog box opens. See Applying Object Attributes for information on applying graphic attributes, and Applying and Mapping Textures for information on texture parameters.

Click to show/hide the parameters.

Parameter	Description
Graphic Attributes	Each graphic attribute can be set by the class style or to specific settings. If set by the class style, the attributes are controlled by the class selected in the Roof Framer dialog box for the framing element.
Fill	Select Class Style to use the class style for the fill attribute, choose None to apply no fill, or choose a fill style
Pen	Select Class Style to use the class style for the pen attribute, choose None to apply no pen, or choose a solid/dash or pattern style
Line Thickness	Select Class Thickness to use the class style for the line thickness attribute, choose Set Thickness to specify the line thickness, or select a line thickness
Texture (Renderworks required)	Select Class to use the class texture for the framing element (see Applying Object Textures by Class), choose None to apply no texture, or choose Select to set the texture parameters
Texture	Select the texture to apply from a library or the current file
Map Type	Select the texture map type
Radius	For sphere and cylinder maps, sets the texture radius; the default radius is the same as the 3D object radius. Increasing this value reduces the size of the texture on the object.
Start/End Cap	Applies the texture to the start and end caps of the framing element
Repeat Horizontally/ Vertically	Repeats the texture in a horizontal and/or vertical direction
Scale Factor	Enter a scale value to determine the texture size when projected onto the object
Horizontal/Vertical Offset	Sets the start location of the texture horizontally and vertically
Rotation	Sets the angle of texture rotation; enter a rotation value from 0 to 360 degrees

7. Click OK to return to the Roof Framer dialog box.

8. Click OK to frame the roof.

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The Attributes Palette

Creating Framing Members

Creating Rafters

Creating Collars

Creating Plates

Creating Purlins

Creating Ridges

Creating Headers

Creating Hip and Valley Rafters

Custom Frame Element Sizes

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