geometrylib.cpp File Reference

#include "geometrylib.h"
#include "mathlib.h"
#include "arrays.h"
#include <stdio.h>
#include <stdlib.h>
#include <math.h>

Go to the source code of this file.

Namespaces
	midaspace

Functions
long	midaspace::intersec_rectangle3d_line (double zero, double norm, const PoinT *A, const PoinT *B, const PoinT *C, const PoinT *D, const PoinT *U, const PoinT *V, double *ksi, double *eta, double *t, PoinT *I1, PoinT *I2)
	ZDROJE http://softsurfer.com/algorithm_archive.htm. More...
long	midaspace::nc_brick_3d (double zero, double x[], double y[], double z[], const PoinT *point, PoinT *answer)
	Function computes natural coordinates of 'point' on 'element', 'point' is entered in cartesian coordinates, 'element' is 3d brick=cube=hexahedron. More...
double	midaspace::area3D_Polygon (int n, const PoinT **V, const VectoR *N)
	************************** WWW.SOFTSURFER.COM ALGORITHMS ************************** Copyright 2000, softSurfer (www.softsurfer.com) This code may be freely used and modified for any purpose providing that this copyright notice is included with it. More...
int	midaspace::intersect_RayTriangle (double zero, const PoinT *P0, const PoinT *P1, const PoinT *V0, const PoinT *V1, const PoinT *V2, PoinT *I)
void	midaspace::dx_bf_lin_hex_3d (double *n, double y, double z)
	function computes derivatives of tri-linear base functions on hexahedron with respect of natural coordinate x More...
void	midaspace::dy_bf_lin_hex_3d (double *n, double x, double z)
	function computes derivatives of tri-linear base functions on hexahedron with respect of natural coordinate y More...
void	midaspace::dz_bf_lin_hex_3d (double *n, double x, double y)
	function computes derivatives of tri-linear base functions on hexahedron with respect of natural coordinate z More...
void	midaspace::jac_3d (double &jac, Dvctr &x, Dvctr &y, Dvctr &z, double xi, double eta, double zeta)