ShapeIntersector类 参考

Public 成员函数
	ShapeIntersector (TopoShape shape, double tolerance)
boolean	IsValid ()
boolean	Perform (GLin line, double smallestP, double highestP)
boolean	Perform (TopoShape edge)
int	GetPointCount ()
double	UParameter (int idx)
double	VParameter (int idx)
double	WParameter (int idx)
GPnt	GetPoint (int idx)

详细描述

<>
Intersection testing between face and shape.

成员函数说明

GetPoint()

GPnt ShapeIntersector.GetPoint

(

int

idx

)

Returns the geometric point of the ith intersection between the line and the surface.

参数

idx	the index, start from 0.

返回

the point.

GetPointCount()

int ShapeIntersector.GetPointCount

(

)

Get the intersecting point number

返回

the count.

Perform() [1/2]

boolean ShapeIntersector.Perform	(	GLin	line,
		double	smallestP,
		double	highestP )

Perform the intersection between the line and face.

参数

line	segment.
smallestP	is the smallest parameter on the line
highestP	is the highest parmaeter on the line

返回

true if done.

Perform() [2/2]

boolean ShapeIntersector.Perform

(

TopoShape

edge

)

Perform the intersection between the ledgeine and face.

参数

edge

the edge.

返回

true if done.

UParameter()

double ShapeIntersector.UParameter

(

int

idx

)

Returns the U parameter of the ith intersection point on the surface.

参数

idx	the index, start from 0

返回

the u parameter.

VParameter()

double ShapeIntersector.VParameter

(

int

idx

)

Returns the V parameter of the ith intersection point on the surface.

参数

idx	the index, start from 0

返回

the V parameter.

WParameter()

double ShapeIntersector.WParameter

(

int

idx

)

Returns the parameter of the ith intersection point on the line.

参数

idx	the index, start from 0

返回

the parameter of the edge.