roofShed operation

Syntax

roofShed(angle)

roofShed(angle, index)

roofShed(valueType, value)

roofShed(valueType, value, index)

Parameters

• valueType (selector)

  byAngle, byHeight

  Type of roof generation

• value (float)
  Angle or height of the roof-planes as specified by valueType.
• angle (float)
  Angle of the roof plane (generation byAngle).
• index (float)
  Edge index (thus integral value) to specify the orientation of the shed roof.

Description

The roofShed operation builds a shed roof perpendicular to each face of the current shape's geometry. At edge index (default value 0), a plane is generated with a given angle or height wrt. the polygon plane.

If index is set, the roof plane is oriented to the specified edge.

The connectivity of the roof mesh is optimized for trim plane generation to cut bricks inserted into the roof planes (see examples below).

Scope

The scope orientation is set in the following way:

• x-axis direction is kept as much as possible (old x-axis is projected to the plane of the first face)
• y-axis along the face normal of the first face
• z-axis normal to the two above

The scope's sizes are adjusted to tighly fit the extruded geometry.

Component tags

The operation automatically applies semantic component tags to the resulting face components: "roof.bottom" Blue: original face. "roof.side.outer" Yellow: side faces. "roof.side.inner" Red: side faces from holes. "roof.top" Green: roof faces. For more information on working with component tags, refer to: Auto-tags Tag propagation

Related

• envelope operation
• extrude operation
• offset operation
• roofGable operation
• roofHip operation
• roofPyramid operation
• roofRidge operation
• taper operation

Examples

Simple Shed Roof

Lot  --> extrude(10) Mass
Mass --> comp(f) { top: Top | all: X }
Top  --> roofShed(10, 3) Roof

Roof --> comp(f) { all : X }

There is exactly one side roof face perTop shape edge.

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