Skip to content

AFNI/NIfTI Server

Sections
Personal tools
You are here: Home » AFNI » Documentation

Doxygen Source Code Documentation


Main Page   Alphabetical List   Data Structures   File List   Data Fields   Globals   Search  

testshear.c File Reference

#include "thd_shear3d.h"
#include "mrilib.h"

Go to the source code of this file.


Functions

int main (int argc, char *argv[])

Function Documentation

int main int    argc,
char *    argv[]
 

find asymmetry measures in 1/2 spaces perp to L-R *

Definition at line 4 of file testshear.c.

References argc, DUMP_3SHEAR, norm_3shear(), rot_to_shear(), and strtod().

00005 {
00006    float th1=0.0, th2=0.0, th3=0.0 , thx,thy,thz ;
00007    int   iarg=0 ;
00008    MCW_3shear shr ;
00009    double ntop , nnow ;
00010 
00011    if( argc == 2 && strcmp(argv[1],"-help") == 0 ){
00012       printf("Usage: testshear [a b c]\n") ; exit(0) ;
00013    }
00014 
00015    if( argc > 2 ){
00016       th1 = (PI/180.0) * strtod( argv[++iarg] , NULL ) ;
00017       th2 = (PI/180.0) * strtod( argv[++iarg] , NULL ) ;
00018       th3 = (PI/180.0) * strtod( argv[++iarg] , NULL ) ;
00019       shr = rot_to_shear( 0,th1 , 1,th2 , 2,th3 , 0,0,0,0 , 1.0,1.0,1.0 ) ;
00020       DUMP_3SHEAR("dump",shr) ;
00021       nnow = norm_3shear(shr) ; 
00022       printf("Norm=%g thx=%6.1f thy=%6.1f thz=%6.1f\n",
00023               nnow, th1*(180.0/PI) , th2*(180.0/PI) , th3*(180.0/PI) );
00024       exit(0) ;
00025    }
00026 
00027    ntop = 0.0 ;
00028    for( thx=1.0 ; thx < 180.0 ; thx++ ){
00029       th1 = (PI/180.0) * thx ;
00030       for( thy=1.0 ; thy < 180.0 ; thy++ ){
00031          th2 = (PI/180.0) * thy ;
00032          for( thz=1.0 ; thz < 180.0 ; thz++ ){
00033             th3 = (PI/180.0) * thz ;
00034             shr = rot_to_shear( 0,th1, 1,th2, 2,th3, 0,0,0,0, 1.0,1.0,1.0 ) ;
00035             nnow = norm_3shear( shr ) ;
00036             if( nnow > ntop ){
00037                ntop = nnow ;
00038                printf("Norm=%7.4f at thx=%6.1f thy=%6.1f thz=%6.1f\n",
00039                        ntop , thx,thy,thz ) ;
00040             }
00041          }
00042       }
00043    }
00044    exit(0) ;
00045 }
 

Powered by Plone

This site conforms to the following standards: