ShapeHLRBuilder类 参考

Public 成员函数
	ShapeHLRBuilder ()
boolean	GetUsePoly ()
void	SetUsePoly (boolean val)
void	AddShape (TopoShape shape)
boolean	Compute (GAx2 planeAxis)
boolean	Compute (GPnt pt, GDir dir)
TopoShapeList	GetVisibleOutlines ()
TopoShapeList	GetVisibleOutlines (TopoShape src)

详细描述

<> ShapeHLRBuilder，计算shape在给定投影面上可见部分的算法工具.

构造及析构函数说明

ShapeHLRBuilder()

ShapeHLRBuilder.ShapeHLRBuilder

(

)

Constructor

成员函数说明

AddShape()

void ShapeHLRBuilder.AddShape

(

TopoShape

shape

)

添加被投影的shape

参数

shape

Compute()

boolean ShapeHLRBuilder.Compute

(

GAx2

planeAxis

)

计算在给定平面上的投影

参数

planeAxis

投影平面的axis

返回

计算成功返回true，异常返回false

GetVisibleOutlines() [1/2]

TopoShapeList ShapeHLRBuilder.GetVisibleOutlines

(

)

获取所有shape在投影面上的可见轮廓

返回

GetVisibleOutlines() [2/2]

TopoShapeList ShapeHLRBuilder.GetVisibleOutlines

(

TopoShape

src

)

获取指定shape在投影面上的可见轮廓

参数

src<br>

返回