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C:/temp/src/j2k/Beta/3D/Interpol.hpp File Reference

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Compounds

struct  Point2d_t
struct  ZMaille_t

Typedefs

typedef ZMaille_t ZMaille
typedef Point2d_t Point2d

Functions

double Z_InterpolationBilineaire (ZMaille *zm, Point2d *pt)
Point2d Grad_InterpolationBilineaire (ZMaille *zm, Point2d *pt)

Typedef Documentation

typedef struct Point2d_t Point2d
 

typedef struct ZMaille_t ZMaille
 

Function Documentation

Point2d Grad_InterpolationBilineaire (  ZMaille *    zm,
Point2d *    pt
) 
 

Definition at line 17 of file Interpol.cpp.

00017                                                                   {
00018   double    temp;
00019   Point2d   pente; 
00020 
00021   temp    = zm->Z00 + zm->Z11 - zm->Z10 - zm->Z01;
00022   pente.X = zm->Z10 - zm->Z00 + temp * pt->Y;
00023   pente.Y = zm->Z01 - zm->Z00 + temp * pt->X;
00024 
00025   return pente; 
00026 }

double Z_InterpolationBilineaire (  ZMaille *    zm,
Point2d *    pt
) 
 

Definition at line 6 of file Interpol.cpp.

00006                                                              {
00007   double  u, v, temp;
00008 
00009   u = zm->Z00 + ( zm->Z10 - zm->Z00 ) * pt->X;
00010   v = zm->Z01 + ( zm->Z11 - zm->Z01 ) * pt->X;
00011 
00012   temp = u + ( v - u ) * pt->Y;  
00013 
00014   return temp;
00015 }

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