gnuplot_ctrl * gnuplot_init(void)
{
gnuplot_ctrl * handle ;
#ifndef _WIN32
#ifndef __APPLE__
if (getenv("DISPLAY") == NULL) {
fprintf(stderr, "cannot find DISPLAY variable: is it set?\n") ;
}
#endif
#endif
#ifndef _WIN32
if (gnuplot_get_program_path("gnuplot")==NULL) {
fprintf(stderr, "cannot find gnuplot in your PATH");
return NULL ;
}
#endif
if (gnuplot_get_program_path(GNUPLOT_EXEC)==NULL) {
fprintf(stderr, "cannot find gnuplot in your PATH");
return NULL ;
}
/*
* Structure initialization:
*/
handle = (gnuplot_ctrl*)malloc(sizeof(gnuplot_ctrl)) ;
handle->nplots = 0 ;
gnuplot_setstyle(handle, "points") ;
gnuplot_setaxes(handle, "x1y1") ;
handle->ntmp = 0 ;
handle->gnucmd = popen(GNUPLOT_EXEC " -geometry \"640x480+0+0\"", "w") ;
if (handle->gnucmd == NULL) {
fprintf(stderr, "error starting gnuplot\n") ;
free(handle) ;
handle = NULL;
return NULL ;
}
#ifdef _WIN32
gnuplot_setterm(handle,"windows");
#elif __APPLE__
// Try to determine whether we should use aqua or x11 as our default
if (getenv("DISPLAY") == NULL || (getenv("USE_AQUA")!=NULL && strcmp(getenv("USE_AQUA"),"1")>=0))
gnuplot_setterm(handle,"aqua");
else
gnuplot_setterm(handle,"x11");
#else
gnuplot_setterm(handle,"x11");
#endif
return handle;
}
gnuplot_ctrl * gnuplot_init(void)
{
gnuplot_ctrl * handle ;
if (getenv("DISPLAY") == NULL) {
fprintf(stderr, "cannot find DISPLAY variable: is it set?\n") ;
}
if (gnuplot_get_program_path("gnuplot")==NULL) {
fprintf(stderr, "cannot find gnuplot in your PATH");
return NULL ;
}
/*
* Structure initialization:
*/
handle = (gnuplot_ctrl*)malloc(sizeof(gnuplot_ctrl)) ;
handle->nplots = 0 ;
gnuplot_setstyle(handle, "points") ;
handle->ntmp = 0 ;
handle->gnucmd = popen("gnuplot", "w") ;
if (handle->gnucmd == NULL) {
fprintf(stderr, "error starting gnuplot\n") ;
free(handle) ;
return NULL ;
}
return handle;
}
gnuplot_ctrl * gnuplot_init ( void )
{
gnuplot_ctrl * handle ;
if (check_X_display(1)) return NULL ;
if (gnuplot_get_program_path("gnuplot")==NULL) {
fprintf(stderr, "cannot find gnuplot in your PATH");
return NULL ;
}
/*
* Structure initialization:
*/
handle = malloc(sizeof(gnuplot_ctrl)) ;
handle->nplots = 0 ;
gnuplot_setstyle(handle, "points") ;
handle->ntmp = 0 ;
handle->gnucmd = popen("gnuplot", "w") ;
if (handle->gnucmd == NULL) {
fprintf(stderr, "error starting gnuplot\n") ;
free(handle) ;
return NULL ;
}
return handle;
}
