diff options
Diffstat (limited to 'Carpet/CarpetIOASCII/src/util/carpet2xgraph.c')
| -rw-r--r-- | Carpet/CarpetIOASCII/src/util/carpet2xgraph.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/Carpet/CarpetIOASCII/src/util/carpet2xgraph.c b/Carpet/CarpetIOASCII/src/util/carpet2xgraph.c new file mode 100644 index 000000000..61dfa689b --- /dev/null +++ b/Carpet/CarpetIOASCII/src/util/carpet2xgraph.c @@ -0,0 +1,186 @@ + +/******************************************************************* + * Program: carpet2xgraph + * Description: Converts from Carpet ASCII file format to Xgraph format + * Author: Scott H. Hawley + * Date: June 17, 2002 + * + * This will select the data for ONE REFINEMENT LEVEL (default 0) + * and send the result to stdout. The "xgraph format" data is + * not, however, fully annotated and someone may wish to improve + * this. + * + * The [clip_data_at] command-line argument was added for use with + * 1/r data, to replace the infinities at the origin with whatever + * value the user specifies. + *******************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + + +/******************************************************************* + * Function: read_next_set + * Supposed to read one time step of data (for one level of refinement) + *******************************************************************/ +int read_next_set(FILE *infile, int rlev, int *numelems, + double *time, + double **coord, double **data, int clip_data, double clip_val) +{ + char in_line[200]; + int it,tl,rl,c,ml,ix,iy,iz; + double xval, yval, zval; + double coordval, dataval; + int hit_first_non_blank = 0; + int stop_reading = 0; + int retval = 0; + int rc = 0; + + *numelems = 0; + sprintf(in_line," "); + + /* reads up to first blank line after non-blank lines, or up to + * eof */ + while ((fgets(in_line,200,infile) != NULL) && (!stop_reading) ) { + + if (in_line[0]=='#') { + hit_first_non_blank = 1; + + } else if ((strncmp("\n",in_line,2)==0) || + (in_line[0]==' ')) { + if (hit_first_non_blank) { + stop_reading = 1; + } + + } else { /* Assume that we're dealing with a line of numbers */ + hit_first_non_blank = 1; + retval = sscanf(in_line,"%d %d %d %d %d %d %d %d %lg %lg %lg %lg %lg", + &it,&tl,&rl,&c,&ml,&ix,&iy,&iz,time,&xval,&yval,&zval,&dataval); + coordval = xval; + + /* Only add input to arrays if it's for the right ref. level */ + if ( (retval == 13) && (rl == rlev)) { + (*numelems)++; + + if (coord==NULL) { + *coord = (double *)malloc(sizeof(double)* (*numelems)); + *data = (double *)malloc(sizeof(double)* (*numelems)); + } else { + *coord = (double *)realloc(*coord, sizeof(double)* (*numelems)); + *data = (double *)realloc(*data, sizeof(double)* (*numelems)); + } + if (coord==NULL) { + fprintf(stderr,"Error: malloc/realloc returned NULL\n"); + exit(1); + } + + (*coord)[(*numelems)-1] = coordval; + + /* If desired, "clip" data above a certain value */ + if (clip_data && (dataval > clip_val)) { + (*data)[(*numelems)-1] = clip_val; + } else { + (*data)[(*numelems)-1] = dataval; + } + + } + + } + + } + rc = feof(infile); + + return rc; +} + + +/******************************************************************** + * Main part of program + ********************************************************************/ +int main(int argc, char **argv) +{ + char *infilename; + FILE *infile; + + char func_name[200]; + double time; + int numelems_in_set = 0; + int rlev = 0; + double *coord, *data; + int clip_data = 0; + double clip_val; + int i; + + + /* + * Parse command-line arguments + */ + if (argc <= 1) { + fprintf(stderr," input from stdin... invoke carpet2xgraph -h for help\n"); + } else if (strcmp(argv[1],"-h")==0) { + fprintf(stderr,"usage: cat file | carpet2xgraph [name_tag] [ref_lev] [clip_data_at]\n"); + exit(1); + } + + if (argc >= 2) { + infilename = argv[1]; + } else { + infilename = "stdin"; + } + if (argc >= 3) { + sscanf(argv[2],"%d",&rlev); + } + if (argc >= 4) { + sscanf(argv[3],"%lf",&clip_val); + clip_data = 1; + } + + /* + * Open the input file + */ + infile = stdin; + + /* + infile = fopen(infilename,"r"); + if (infile == NULL) { + fprintf(stderr,"Error opening file '%s'.\n",infilename); + exit(1); + } + */ + + + time = 0; + coord = NULL; + data = NULL; + sprintf(func_name,"%s_%d",infilename,rlev); + + printf("\"x-label x\n"); + printf("\"y-label %s\n\n\n",infilename); + printf("\"label = %s\n\n\n",infilename); + + /* + * Main loop for reading from input file and writing to output file + */ + while ( read_next_set(infile,rlev,&numelems_in_set,&time,&coord,&data, + clip_data, clip_val) == 0 ) { + if (numelems_in_set > 0) { + + /* xgraph format */ + printf("\"Time = %g\n",time); + for (i=0; i<numelems_in_set; i++) { + printf("%g %17.14g\n",coord[i],data[i]); + } + printf("\n\n"); + + free(coord); + free(data); + coord = NULL; + data = NULL; + + } + } + + return 0; +} + |