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1dgrayplot.c
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1dgrayplot.c
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#include "mrilib.h"
#include "coxplot.h"
#include "display.h"
#define TSGRAY_SEPARATE_YSCALE (1<<0)
#define TSGRAY_FLIP_XY (1<<1)
/*-----------------------------------------------------------------
Plot some timeseries in grayscale
npt = number of points in each series
nts = number of series
ymask = operation modifier:
TSGRAY_SEPARATE_YSCALE
TSGRAY_FLIP_XY
y[j][i] = i-th point in j-th timeseries,
for i=0..npt-1, j=0..nts-1
-------------------------------------------------------------------*/
MEM_plotdata * PLOT_tsgray( int npt , int nts , int ymask , float **y )
{
MEM_plotdata * mp ;
float ybot,ytop , yfac , dx,dy , val ;
int ii,jj , flipxy ;
char str[32] ;
int sepscl ;
if( npt < 2 || nts < 1 || y == NULL ) return NULL ;
/* find range of data */
ybot = ytop = y[0][0] ;
for( jj=0 ; jj < nts ; jj++ ){
for( ii=0 ; ii < npt ; ii++ ){
val = y[jj][ii] ;
if( ybot > val ) ybot = val ;
else if( ytop < val ) ytop = val ;
}
}
if( ybot >= ytop ) return NULL ;
yfac = 1.0/(ytop-ybot) ;
dx = 1.0/npt ;
dy = 1.0/nts ;
create_memplot_surely( "Gplot" , 1.0 ) ;
set_color_memplot( 0.0 , 0.0 , 0.0 ) ;
set_thick_memplot( 0.0 ) ;
set_memplot_X11_rectfill( 1 ) ; /* 26 Oct 2005 */
flipxy = (ymask & TSGRAY_FLIP_XY) != 0 ;
sepscl = (ymask & TSGRAY_SEPARATE_YSCALE) != 0 ;
for( jj=0 ; jj < nts ; jj++ ){
if( sepscl ){
ybot = ytop = y[jj][0] ; /* find range of data */
for( ii=1 ; ii < npt ; ii++ ){
val = y[jj][ii] ;
if( ybot > val ) ybot = val ;
else if( ytop < val ) ytop = val ;
}
if( ybot >= ytop ) yfac = 1.0 ;
else yfac = 1.0/(ytop-ybot) ;
}
for( ii=0 ; ii < npt ; ii++ ){
val = yfac*(ytop-y[jj][ii]) ;
set_color_memplot( val,val,val ) ;
if( flipxy )
plotrect_memplot( ii*dx,jj*dy , (ii+1)*dx,(jj+1)*dy ) ;
else
plotrect_memplot( jj*dy,1.0-ii*dx , (jj+1)*dy,1.0-(ii+1)*dy ) ;
}
}
set_color_memplot( 0.0 , 0.0 , 0.0 ) ;
mp = get_active_memplot() ;
return mp ;
}
/*******************************************************************/
#define DEFAULT_NCOLOVR 20
static char * INIT_colovr[DEFAULT_NCOLOVR] = {
"#ffff00" , "#ffcc00" , "#ff9900" , "#ff6900" , "#ff4400" , "#ff0000" ,
"#0000ff" , "#0044ff" , "#0069ff" , "#0099ff" , "#00ccff" , "#00ffff" ,
"green" , "limegreen" , "violet" , "hotpink" ,
"white" , "#dddddd" , "#bbbbbb" , "black"
} ;
static char * INIT_labovr[DEFAULT_NCOLOVR] = {
"yellow" , "yell-oran" , "oran-yell" , "orange" , "oran-red" , "red" ,
"dk-blue", "blue" , "lt-blue1" , "lt-blue2" , "blue-cyan", "cyan" ,
"green" , "limegreen" , "violet" , "hotpink" ,
"white" , "gry-dd" , "gry-bb" , "black"
} ;
void startup_timeout_CB( XtPointer client_data , XtIntervalId * id ) ;
static MCW_DC * dc ;
static int npt , nts , ymask=0 ;
static float **yar ;
/*******************************************************************/
int main( int argc , char * argv[] )
{
int iarg ;
int install=0 , ignore=0 , use=0 , jj ;
char * tsfile , * cpt ;
char dname[THD_MAX_NAME] , subv[THD_MAX_NAME] ;
MRI_IMAGE * flim ;
float *far ;
XtAppContext app ;
Widget shell=NULL ;
int out_ps=0 ; /* 28 Feb 2003 */
/*-- help? --*/
if( argc < 2 || strcmp(argv[1],"-help") == 0 ){
printf("Usage: 1dgrayplot [options] tsfile\n"
"Graphs the columns of a *.1D type time series file to the screen,\n"
"sort of like 1dplot, but in grayscale.\n"
"\n"
"Options:\n"
" -install = Install a new X11 colormap (for X11 PseudoColor)\n"
" -ignore nn = Skip first 'nn' rows in the input file\n"
" [default = 0]\n"
" -flip = Plot x and y axes interchanged.\n"
" [default: data columns plotted DOWN the screen]\n"
" -sep = Separate scales for each column.\n"
" -use mm = Plot 'mm' points\n"
" [default: all of them]\n"
" -ps = Don't draw plot in a window; instead, write it\n"
" to stdout in PostScript format.\n"
" N.B.: If you view this result in 'gv', you should\n"
" turn 'anti-alias' off, and switch to\n"
" landscape mode.\n"
) ;
PRINT_COMPILE_DATE ; exit(0) ;
}
machdep() ;
/* 28 Feb 2003: scan for -ps flage NOW */
for( jj=1 ; jj < argc ; jj++ )
if( strcmp(argv[jj],"-ps") == 0 ){ out_ps = 1; break; }
/* open X11 (if not doing PostScript) */
if( !out_ps ){
shell = XtVaAppInitialize(
&app , "AFNI" , NULL , 0 , &argc , argv , NULL , NULL ) ;
if( shell == NULL ){
fprintf(stderr,"** Cannot initialize X11!\n") ; exit(1) ;
}
}
cpt = my_getenv("TMPDIR") ; /* just for fun */
/*-- scan arguments that X11 didn't eat --*/
iarg = 1 ;
while( iarg < argc && argv[iarg][0] == '-' ){
if( strcmp(argv[iarg],"-ps") == 0 ){ /* 28 Feb 2003: already handled above */
iarg++ ; continue ;
}
if( strcmp(argv[iarg],"-flip") == 0 ){
ymask |= TSGRAY_FLIP_XY ; iarg++ ; continue ;
}
if( strcmp(argv[iarg],"-sep") == 0 ){
ymask |= TSGRAY_SEPARATE_YSCALE ; iarg++ ; continue ;
}
if( strcmp(argv[iarg],"-install") == 0 ){
install++ ; iarg++ ; continue ;
}
if( strcmp(argv[iarg],"-ignore") == 0 ){
ignore = strtod( argv[++iarg] , NULL ) ;
if( ignore < 0 ){fprintf(stderr,"** Illegal -ignore value!\n");exit(1);}
iarg++ ; continue ;
}
if( strcmp(argv[iarg],"-use") == 0 ){
use = strtod( argv[++iarg] , NULL ) ;
if( use < 2 ){fprintf(stderr,"** Illegal -use value!\n");exit(1);}
iarg++ ; continue ;
}
fprintf(stderr,"** Unknown option: %s\n",argv[iarg]) ; exit(1) ;
}
if( iarg >= argc ){
fprintf(stderr,"** No tsfile on command line!\n") ; exit(1) ;
}
if( !out_ps )
dc = MCW_new_DC( shell , 16 ,
DEFAULT_NCOLOVR , INIT_colovr , INIT_labovr ,
1.0 , install ) ;
tsfile = argv[iarg] ;
flim = mri_read_1D( tsfile ) ;
if( flim == NULL ){
fprintf(stderr,"** Can't read input file %s\n",tsfile) ;
exit(1);
}
if( ignore >= flim->nx-1 ) ignore = 0 ;
if( use == 0 || use > flim->nx-ignore ) use = flim->nx-ignore ;
far = MRI_FLOAT_PTR(flim) ;
yar = (float **) malloc( sizeof(float *) * flim->ny ) ;
for( jj=0 ; jj < flim->ny ; jj++ )
yar[jj] = far + (jj*flim->nx + ignore) ;
npt = use ;
nts = flim->ny ;
/* start X11 */
if( !out_ps ){
(void) XtAppAddTimeOut( app , 123 , startup_timeout_CB , NULL ) ;
XtAppMainLoop(app) ; /* never returns */
}
/* if get here, plot PostScript to stdout */
{ MEM_plotdata *mp ;
mp = PLOT_tsgray( npt , nts , ymask , yar ) ;
memplot_to_postscript( "-" , mp ) ;
}
exit(0) ;
}
/*******************************************************************/
/********** These functions are used for the X11 graphing. *********/
/*-----------------------------------------------------------------*/
void killfunc(void * fred){ exit(0) ; }
/*-----------------------------------------------------------------*/
void startup_timeout_CB( XtPointer client_data , XtIntervalId * id )
{
MEM_plotdata * mp ;
mp = PLOT_tsgray( npt , nts , ymask , yar ) ;
if( mp != NULL )
(void) memplot_to_topshell( dc->display , mp , killfunc ) ;
return ;
}