--- /dev/null
+/*
+ * This file is part of TISEAN
+ *
+ * Copyright (c) 1998-2007 Rainer Hegger, Holger Kantz, Thomas Schreiber
+ *
+ * TISEAN is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * TISEAN is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with TISEAN; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+/*Author: Rainer Hegger, Last modified: Mar 20, 1999 */
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <limits.h>
+#include "routines/tsa.h"
+
+#define WID_STR "Make a Poincare section"
+
+char *outfile=NULL,dimset=0,compset=0,whereset=0,stdo=1;
+char *infile=NULL;
+unsigned long length=ULONG_MAX,count,exclude=0;
+int dim=2,comp=2,delay=1,dir=0;
+unsigned int column=1;
+unsigned int verbosity=0xff;
+double *series,min,max,average=0.0,where;
+
+void show_options(char *progname)
+{
+ what_i_do(progname,WID_STR);
+ fprintf(stderr," Usage: %s [Options]\n\n",progname);
+ fprintf(stderr," Options:\n");
+ fprintf(stderr,"Everything not being a valid option will be interpreted"
+ " as a possible"
+ " datafile.\nIf no datafile is given stdin is read. Just - also"
+ " means stdin\n");
+ fprintf(stderr,"\t-l # of points to be used [Default: whole file]\n");
+ fprintf(stderr,"\t-x #of lines to be ignored [Default: 0]\n");
+ fprintf(stderr,"\t-c column to read [Default: 1]\n");
+ fprintf(stderr,"\t-m embedding dimension [Default: 2]\n");
+ fprintf(stderr,"\t-d delay [Default: 1]\n");
+ fprintf(stderr,"\t-q component to cut [Default: last]\n");
+ fprintf(stderr,"\t-C direction of the cut (0: from below,1: from above)"
+ "\n\t\t[Default: 0]\n");
+ fprintf(stderr,"\t-a set crossing at [Default: average of data]\n");
+ fprintf(stderr,"\t-o outfile [Default: 'datafile'.poin]\n");
+ fprintf(stderr,"\t-V verbosity level [Default: 1]\n\t\t"
+ "0='only panic messages'\n\t\t"
+ "1='+ input/output messages'\n");
+ fprintf(stderr,"\t-h show these options\n");
+ fprintf(stderr,"\n");
+ exit(0);
+}
+
+
+void scan_options(int n,char** in)
+{
+ char *out;
+
+ if ((out=check_option(in,n,'l','u')) != NULL)
+ sscanf(out,"%lu",&length);
+ if ((out=check_option(in,n,'x','u')) != NULL)
+ sscanf(out,"%lu",&exclude);
+ if ((out=check_option(in,n,'c','u')) != NULL)
+ sscanf(out,"%u",&column);
+ if ((out=check_option(in,n,'m','u')) != NULL) {
+ dimset=1;
+ sscanf(out,"%u",&dim);
+ }
+ if ((out=check_option(in,n,'d','u')) != NULL)
+ sscanf(out,"%u",&delay);
+ if ((out=check_option(in,n,'q','u')) != NULL) {
+ compset=1;
+ sscanf(out,"%u",&comp);
+ }
+ if ((out=check_option(in,n,'C','u')) != NULL)
+ sscanf(out,"%u",&dir);
+ if ((out=check_option(in,n,'V','u')) != NULL)
+ sscanf(out,"%u",&verbosity);
+ if ((out=check_option(in,n,'a','f')) != NULL) {
+ whereset=1;
+ sscanf(out,"%lf",&where);
+ }
+ if ((out=check_option(in,n,'o','o')) != NULL) {
+ stdo=0;
+ if (strlen(out) > 0)
+ outfile=out;
+ }
+}
+
+void poincare(void)
+{
+ unsigned long i;
+ long j,jd;
+ double delta,xcut;
+ double time=0.0,lasttime=0.0;
+ FILE *fout=NULL;
+
+ if (!stdo) {
+ fout=fopen(outfile,"w");
+ if (verbosity&VER_INPUT)
+ fprintf(stderr,"Opened %s for writing\n",outfile);
+ }
+ else {
+ if (verbosity&VER_INPUT)
+ fprintf(stderr,"Writing to stdout\n");
+ }
+
+ if (dir == 0) {
+ for (i=(comp-1)*delay;i<length-(dim-comp)*delay-1;i++) {
+ if ((series[i] < where) && (series[i+1] >= where)) {
+ delta=(series[i]-where)/(series[i]-series[i+1]);
+ time=(double)i+delta;
+ if (lasttime > 0.0) {
+ for (j= -(comp-1);j<=dim-comp;j++) {
+ if (j != 0) {
+ jd=i+j*delay;
+ xcut=series[jd]+delta*(series[jd+1]-series[jd]);
+ if (!stdo)
+ fprintf(fout,"%e ",xcut);
+ else
+ fprintf(stdout,"%e ",xcut);
+ }
+ }
+ if (!stdo) {
+ fprintf(fout,"%e\n",time-lasttime);
+ fflush(fout);
+ }
+ else {
+ fprintf(stdout,"%e\n",time-lasttime);
+ fflush(stdout);
+ }
+ count++;
+ }
+ lasttime=time;
+ }
+ }
+ }
+ else {
+ for (i=(comp-1)*delay;i<length-(dim-comp)*delay-1;i++) {
+ if ((series[i] > where) && (series[i+1] <= where)) {
+ delta=(series[i]-where)/(series[i]-series[i+1]);
+ time=(double)i+delta;
+ if (lasttime > 0.0) {
+ for (j= -(comp-1);j<=dim-comp;j++) {
+ if (j != 0) {
+ jd=i+j*delay;
+ xcut=series[jd]+delta*(series[jd+1]-series[jd]);
+ if (!stdo)
+ fprintf(fout,"%e ",xcut);
+ else
+ fprintf(stdout,"%e ",xcut);
+ }
+ }
+ if (!stdo) {
+ fprintf(fout,"%e\n",time-lasttime);
+ fflush(fout);
+ }
+ else {
+ fprintf(stdout,"%e\n",time-lasttime);
+ fflush(stdout);
+ }
+ count++;
+ }
+ lasttime=time;
+ }
+ }
+ }
+ if (!stdo)
+ fclose(fout);
+}
+
+int main(int argc,char** argv)
+{
+ char stdi=0;
+ long i;
+ double var;
+
+ if (scan_help(argc,argv))
+ show_options(argv[0]);
+
+ scan_options(argc,argv);
+#ifndef OMIT_WHAT_I_DO
+ if (verbosity&VER_INPUT)
+ what_i_do(argv[0],WID_STR);
+#endif
+
+ infile=search_datafile(argc,argv,&column,verbosity);
+ if (infile == NULL)
+ stdi=1;
+
+ if (outfile == NULL) {
+ if (!stdi) {
+ check_alloc(outfile=(char*)calloc(strlen(infile)+6,(size_t)1));
+ strcpy(outfile,infile);
+ strcat(outfile,".poin");
+ }
+ else {
+ check_alloc(outfile=(char*)calloc((size_t)11,(size_t)1));
+ strcpy(outfile,"stdin.poin");
+ }
+ }
+ if (!stdo)
+ test_outfile(outfile);
+
+ series=(double*)get_series(infile,&length,exclude,column,verbosity);
+ variance(series,length,&average,&var);
+ min=max=series[0];
+ for (i=1;i<length;i++) {
+ if (series[i] < min) min=series[i];
+ if (series[i] > max) max=series[i];
+ }
+
+ if (!whereset)
+ where=average;
+ if (dimset && !compset)
+ comp=dim;
+
+ if (comp > dim) {
+ fprintf(stderr,"Component to cut is larger than dimension. Exiting!\n");
+ exit(POINCARE__WRONG_COMPONENT);
+ }
+ if ((where < min) || (where > max)) {
+ fprintf(stderr,"You want to cut outside the data interval which is [%e,"
+ "%e]\n",min,max);
+ exit(POINCARE__OUTSIDE_REGION);
+ }
+ poincare();
+
+ return 0;
+}
git://source.jalview.org / jabaws.git / blobdiff