.TH CGPolygonRayInter3D 3 "IRIT Version 6.0" 
.SH NAME
CGPolygonRayInter3D()
.SH SYNOPSIS
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geom_lib/geomat3d.c:1079

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int CGPolygonRayInter3D(IPPolygonStruct *Pl, PointType PtRay, int RayAxes)
.SH DESCRIPTION
Same as CGPolygonRayInter but for arbitrary oriented polygon.
The polygon is transformed into the XY plane and then CGPolygonRayInter
is invoked on it.
.SH PARAMETERS:

Pl: To compute "Jordan Theorem" for the given ray.

PtRay: Origin of ray.

RayAxes: Direction of ray. 0 for X, 1 for Y, etc.
.SH FUNCTION RETURN VALUE
int:       Number of intersections of ray with the polygon.
.LP
.SH ORIGIN
(C) Copyright 1989/90-95 Gershon Elber, Technion, IIT