SymbSrf2DDeterminant

Section: C Library Functions (3)
Updated: IRIT Version 6.0
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NAME

SymbSrf2DDeterminant()  

SYNOPSIS

symb_lib/curvatur.c:655

CagdSrfStruct *SymbSrf2DDeterminant(CagdSrfStruct *Srf11,
                                    CagdSrfStruct *Srf12,
                                    CagdSrfStruct *Srf21,
                                    CagdSrfStruct *Srf22)
 

DESCRIPTION

Computes the expression of Srf11 * Srf22 - Srf12 * Srf21, which is a determinant of a 2 by 2 matrix.  

PARAMETERS:

Srf11, Srf12, Srf21, Srf22: The four factors of the determinant.  

FUNCTION RETURN VALUE

CagdSrfStruct *: A scalar field representing the determinant computation.  

SEE ALSO

SymbSrfFff, SymbSrfSff, SymbSrfGaussCurvature, SymbSrfMeanEvolute, , SymbSrfMeanCurvatureSqr, SymbSrfIsoFocalSrf, SymbSrfCurvatureUpperBound, , SymbSrfIsoDirNormalCurvatureBound,

 

ORIGIN

(C) Copyright 1989/90-95 Gershon Elber, Technion, IIT


 

Index

NAME
SYNOPSIS
DESCRIPTION
PARAMETERS:
FUNCTION RETURN VALUE
SEE ALSO
ORIGIN

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