diff options
author | Thomas White <taw@physics.org> | 2010-01-06 17:53:00 +0100 |
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committer | Thomas White <taw@physics.org> | 2010-01-06 17:53:00 +0100 |
commit | a2433f8d1ebf8412c3051b47fe805fd577bf185e (patch) | |
tree | 3d017737b9d62e4392a987fa9fdaf8873b849a43 /src/indexamajig.c | |
parent | 84e04e18d90bc9f5ee56b736cfa6a6fd421c8d85 (diff) |
Rename process_images -> indexamajig
Diffstat (limited to 'src/indexamajig.c')
-rw-r--r-- | src/indexamajig.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/src/indexamajig.c b/src/indexamajig.c new file mode 100644 index 00000000..1b1620c1 --- /dev/null +++ b/src/indexamajig.c @@ -0,0 +1,210 @@ +/* + * indexamajig.c + * + * Find hits, index patterns, output hkl+intensity etc. + * + * (c) 2006-2009 Thomas White <taw@physics.org> + * + * Part of CrystFEL - crystallography with a FEL + * + */ + + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdarg.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <getopt.h> + +#include "utils.h" +#include "hdf5-file.h" +#include "dirax.h" + + +static void show_help(const char *s) +{ + printf("Syntax: %s [options]\n\n", s); + printf( +"Process and index FEL diffraction images.\n" +"\n" +" -h, --help Display this help message.\n" +"\n" +" -i, --input=<filename> Specify file containing list of images to process.\n" +" '-' means stdin, which is the default.\n" +"\n"); +} + + +static int sum_of_peaks(struct image *image) +{ + int x, y; + int integr, n; + float fintegr, mean, sd, th; + + /* Measure mean */ + integr = 0; + n = 0; + for ( x=0; x<1024; x++ ) { + for ( y=600; y<1024; y++ ) { + + int val; + if ( (x>400) && (x<600) ) continue; + val = image->data[x+image->height*y]; + if ( val < 0 ) continue; + integr += val; + n++; + + } + } + mean = (float)integr / n; /* As integer to keep maths fast */ + + /* Standard deviation */ + integr = 0; + for ( x=0; x<1024; x++ ) { + for ( y=600; y<1024; y++ ) { + + float val; + + if ( (x>400) && (x<600) ) continue; + val = (float)image->data[x+image->height*y]; + if ( val < 0 ) continue; + + val -= mean; + val = powf(val, 2.0); + fintegr += val; + + } + } + sd = sqrtf(fintegr / n); + + /* Threshold */ + th = mean + 5*sd; + STATUS("mean=%f ,sd=%f, th=%f\n", mean, sd, th); + + /* Sum intensity above threshold */ + integr = 0; + for ( x=0; x<1024; x++ ) { + for ( y=600; y<1024; y++ ) { + + int val; + + /* Chop out streaky region */ + if ( (x>400) && (x<600) ) continue; + + val = image->data[x+image->height*y]; + + if ( val > th ) integr+=val; + + } + } + + return integr; +} + + +int main(int argc, char *argv[]) +{ + int c; + char *filename = NULL; + FILE *fh; + char *rval; + int n_images; + int n_hits; + + /* Long options */ + const struct option longopts[] = { + {"help", 0, NULL, 'h'}, + {"input", 1, NULL, 'i'}, + {0, 0, NULL, 0} + }; + + /* Short options */ + while ((c = getopt_long(argc, argv, "hi:", longopts, NULL)) != -1) { + + switch (c) { + case 'h' : { + show_help(argv[0]); + return 0; + } + + case 'i' : { + filename = strdup(optarg); + break; + } + + case 0 : { + break; + } + + default : { + return 1; + } + } + + } + + if ( filename == NULL ) { + filename = strdup("-"); + } + if ( strcmp(filename, "-") == 0 ) { + fh = stdin; + } else { + fh = fopen(filename, "r"); + } + free(filename); + if ( fh == NULL ) { + ERROR("Failed to open input file\n"); + return 1; + } + + n_images = 0; + n_hits = 0; + do { + + char line[1024]; + struct hdfile *hdfile; + struct image image; + int integr; + + rval = fgets(line, 1023, fh); + chomp(line); + + STATUS("Processing '%s'\n", line); + + hdfile = hdfile_open(line); + if ( hdfile == NULL ) { + ERROR("Couldn't open file '%s'\n", filename); + } else if ( hdfile_set_first_image(hdfile, "/") ) { + ERROR("Couldn't select path\n"); + } + + hdf5_read(hdfile, &image); + + integr = sum_of_peaks(&image); + printf("%6i %i\n", n_images, integr); + if ( integr > 200000 ) { + + STATUS("Hit: %s\n", line); + + index_pattern(&image); + + n_hits++; + + } + + n_images++; + + } while ( rval != NULL ); + + fclose(fh); + + STATUS("There were %i images.\n", n_images); + STATUS("%i hits were found.\n", n_hits); + + return 0; +} |