diff options
| author | Thomas White <taw@physics.org> | 2010-09-21 15:39:53 +0200 |
|---|---|---|
| committer | Thomas White <taw@physics.org> | 2012-02-22 15:26:59 +0100 |
| commit | e44890d0a13815f7fd61d777637c5bd09cb09dbc (patch) | |
| tree | 1a3e49a77bf915e4fc2a770d9455ab0c629fbd19 /src/peaks.c | |
| parent | 9e5e6edd61073eb6d19e31dadb325aa88e692155 (diff) | |
Add the possibility to use a circular (instead of 'crystallographic') integration domain
Diffstat (limited to 'src/peaks.c')
| -rw-r--r-- | src/peaks.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/src/peaks.c b/src/peaks.c index fdf5b961..5cfdbdde 100644 --- a/src/peaks.c +++ b/src/peaks.c @@ -451,7 +451,8 @@ void dump_peaks(struct image *image, pthread_mutex_t *mutex) } -int find_projected_peaks(struct image *image, UnitCell *cell) +int find_projected_peaks(struct image *image, UnitCell *cell, + int circular_domain, double domain_r) { int x, y; double ax, ay, az; @@ -459,11 +460,15 @@ int find_projected_peaks(struct image *image, UnitCell *cell) double cx, cy, cz; struct reflhit *hits; int n_hits = 0; + double alen, blen, clen; hits = malloc(sizeof(struct reflhit)*MAX_HITS); if ( hits == NULL ) return 0; cell_get_cartesian(cell, &ax, &ay, &az, &bx, &by, &bz, &cx, &cy, &cz); + alen = modulus(ax, ay, az); + blen = modulus(bx, by, bz); + clen = modulus(cx, cy, cz); fesetround(1); /* Round towards nearest */ for ( x=0; x<image->width; x++ ) { @@ -490,8 +495,17 @@ int find_projected_peaks(struct image *image, UnitCell *cell) dh = hd - h; dk = kd - k; dl = ld - l; - dist = sqrt(pow(dh, 2.0) + pow(dk, 2.0) + pow(dl, 2.0)); - if ( dist > 0.1 ) continue; + + if ( circular_domain ) { + /* Circular integration domain */ + dist = sqrt(pow(dh*alen, 2.0) + pow(dk*blen, 2.0) + + pow(dl*clen, 2.0)); + if ( dist > domain_r ) continue; + } else { + /* "Crystallographic" integration domain */ + dist = sqrt(pow(dh, 2.0) + pow(dk, 2.0) + pow(dl, 2.0)); + if ( dist > domain_r ) continue; + } for ( j=0; j<n_hits; j++ ) { if ( (hits[j].h == h) && (hits[j].k == k) @@ -530,12 +544,13 @@ int find_projected_peaks(struct image *image, UnitCell *cell) } -int peak_sanity_check(struct image *image, UnitCell *cell) +int peak_sanity_check(struct image *image, UnitCell *cell, + int circular_domain, double domain_r) { int i; int n_sane = 0; - find_projected_peaks(image, cell); + find_projected_peaks(image, cell, circular_domain, domain_r); if ( image->n_hits == 0 ) return 0; /* Failed sanity check: no peaks */ for ( i=0; i<image->n_hits; i++ ) { @@ -564,7 +579,7 @@ int peak_sanity_check(struct image *image, UnitCell *cell) void output_intensities(struct image *image, UnitCell *cell, pthread_mutex_t *mutex, int polar, int sa, - int use_closer) + int use_closer, int circular_domain, double domain_r) { int i; int n_found; @@ -577,7 +592,9 @@ void output_intensities(struct image *image, UnitCell *cell, double csx, csy, csz; double a, b, c, al, be, ga; - if ( image->n_hits == 0 ) find_projected_peaks(image, cell); + if ( image->n_hits == 0 ) { + find_projected_peaks(image, cell, circular_domain, domain_r); + } if ( image->n_hits == 0 ) return; /* Get exclusive access to the output stream if necessary */ |