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authorThomas White <taw@bitwiz.org.uk>2012-02-04 11:45:35 -0800
committerThomas White <taw@physics.org>2012-02-22 15:27:45 +0100
commitb26221fd322e9e5739d895ace3b220633565a89e (patch)
tree2203e976310bd287dee5889127d620a1d49767f4 /libcrystfel/src/reax.c
parent9d4192409e8fd94d49b237cfbf007a5e85cf7495 (diff)
Refine vectors straight after they're found
Diffstat (limited to 'libcrystfel/src/reax.c')
-rw-r--r--libcrystfel/src/reax.c87
1 files changed, 5 insertions, 82 deletions
diff --git a/libcrystfel/src/reax.c b/libcrystfel/src/reax.c
index a8a1152e..680e7d31 100644
--- a/libcrystfel/src/reax.c
+++ b/libcrystfel/src/reax.c
@@ -351,90 +351,18 @@ static double iterate_refine_vector(double *x, double *y, double *z,
}
-static void refine_cell(struct image *image, UnitCell *cell,
- ImageFeatureList *flist)
+static void refine_vector(ImageFeatureList *flist, struct dvec *dir)
{
- double ax, ay, az;
- double bx, by, bz;
- double cx, cy, cz;
int i;
double sm;
- cell_get_cartesian(cell, &ax, &ay, &az, &bx, &by, &bz, &cx, &cy, &cz);
i = 0;
do {
- sm = iterate_refine_vector(&ax, &ay, &az, flist);
- sm += iterate_refine_vector(&bx, &by, &bz, flist);
- sm += iterate_refine_vector(&cx, &cy, &cz, flist);
+ sm = iterate_refine_vector(&dir->x, &dir->y, &dir->z, flist);
i++;
} while ( (sm > 0.001e-9) && (i<10) );
-
- cell_set_cartesian(cell, ax, ay, az, bx, by, bz, cx, cy, cz);
-
- if ( i == 10 ) {
- cell_free(image->indexed_cell);
- image->indexed_cell = NULL;
- }
-}
-
-
-static void fine_search(struct reax_private *p, ImageFeatureList *flist,
- double pmax, double *fft_in, fftw_complex *fft_out,
- struct reax_search_v *sv, struct reax_candidate *c,
- const char *rg, struct detector *det)
-{
- double fom = 0.0;
- double th, ph;
- double inc;
- struct dvec dir;
- int i, s;
- double max;
- double th_min, th_max;
- double ph_min, ph_max;
-
- inc = p->angular_inc / 100.0;
-
- th_min = c->v.th - p->angular_inc;
- th_max = c->v.th + p->angular_inc;
- ph_min = c->v.ph - p->angular_inc;
- ph_max = c->v.ph + p->angular_inc;
- for ( th=th_min; th<=th_max; th+=inc ) {
- for ( ph=ph_min; ph<=ph_max; ph+=inc ) {
-
- double new_fom;
-
- dir.x = cos(ph) * sin(th);
- dir.y = sin(ph) * sin(th);
- dir.z = cos(th);
- dir.th = th;
- dir.ph = ph;
-
- fill_and_transform(&dir, flist, p->nel, pmax, fft_in, fft_out,
- p->plan, rg, det);
-
- for ( i=sv->smin; i<=sv->smax; i++ ) {
-
- double re, im, m;
-
- re = fft_out[i][0];
- im = fft_out[i][1];
- m = sqrt(re*re + im*im);
- if ( m > max ) {
- max = m;
- s = i;
- }
-
- }
-
- if ( new_fom > fom ) {
- fom = new_fom;
- c->v = dir;
- }
-
- }
- }
}
@@ -553,10 +481,6 @@ static void find_candidates(struct reax_private *p,
//show_vectors(s, "BEFORE");
- squash_vectors(s, INC_TOL_MULTIPLIER*p->angular_inc);
-
- //show_vectors(s, "AFTER");
-
for ( i=0; i<s->n_search; i++ ) {
struct reax_search_v *sv;
@@ -564,11 +488,12 @@ static void find_candidates(struct reax_private *p,
sv = &s->search[i];
for ( j=0; j<smallest(sv->n_cand, 3); j++ ) {
- fine_search(p, flist, pmax, fft_in, fft_out, sv,
- &sv->cand[j], rg, det);
+// refine_vector(flist, &sv->cand[j].v);
}
}
+// squash_vectors(s, INC_TOL_MULTIPLIER*p->angular_inc);
+
//show_vectors(s, "FINAL");
}
@@ -1038,8 +963,6 @@ static void assemble_cells_from_candidates(struct image *image,
/* We have three vectors with the right angles */
cnew = cell_new_from_direct_axes(ai, bi, ci);
- refine_cell(image, cnew, image->features);
-
if ( twinned(cnew, &cl) ) {
cell_free(cnew);
continue;