.TH TrimSrfRegionFromTrimSrf 3 "IRIT Version 6.0" 
.SH NAME
TrimSrfRegionFromTrimSrf()
.SH SYNOPSIS
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trim_lib/trim_aux.c:106

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TrimSrfStruct *TrimSrfRegionFromTrimSrf(TrimSrfStruct *TrimSrf,
                                        CagdRType t1,
                                        CagdRType t2,
                                        CagdSrfDirType Dir)
.SH DESCRIPTION
Given a trimmed surface - extracts a sub-region within the domain
specified by t1 and t2, in the direction Dir.
.SH PARAMETERS:

TrimSrf: To extract a sub-region from.

t1, t2: Parametric domain boundaries of sub-region.

Dir: Direction of region extraction. Either U or V.
.SH FUNCTION RETURN VALUE
TrimSrfStruct *:  Sub-region extracted from TrimSrf from t1 to t2.
.LP
.SH ORIGIN
(C) Copyright 1989/90-95 Gershon Elber, Technion, IIT