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authorThomas White <taw@physics.org>2015-10-05 15:47:20 +0200
committerThomas White <taw@physics.org>2015-10-05 18:03:18 +0200
commit02d635bc0fdedf315e032b9356971bd7e4941158 (patch)
treeb69d5901e1fb0e3ae2011a1d029238652c86544b /src/diffraction.c
parent71dd3502f03a4ac8037be3c00f7b84d70176b01b (diff)
pattern_sim: Remove image->data (CPU only)
Diffstat (limited to 'src/diffraction.c')
-rw-r--r--src/diffraction.c62
1 files changed, 37 insertions, 25 deletions
diff --git a/src/diffraction.c b/src/diffraction.c
index 5a936809..93674f52 100644
--- a/src/diffraction.c
+++ b/src/diffraction.c
@@ -361,31 +361,30 @@ static double molecule_factor(const double *intensities, const double *phases,
}
-
-static void diffraction_at_k(struct image *image, const double *intensities,
- const double *phases, const unsigned char *flags,
- UnitCell *cell, GradientMethod m,
- const SymOpList *sym, double k,
- double ax, double ay, double az,
- double bx, double by, double bz,
- double cx, double cy, double cz,
- double *lut_a, double *lut_b, double *lut_c,
- double weight)
+static void diffraction_panel(struct image *image, const double *intensities,
+ const double *phases, const unsigned char *flags,
+ UnitCell *cell, GradientMethod m,
+ const SymOpList *sym, double k,
+ double ax, double ay, double az,
+ double bx, double by, double bz,
+ double cx, double cy, double cz,
+ double *lut_a, double *lut_b, double *lut_c,
+ int pn, double weight)
{
- unsigned int fs, ss;
+ int fs, ss;
const int nxs = 4;
const int nys = 4;
+ struct panel *p = &image->det->panels[pn];
weight /= nxs*nys;
- for ( fs=0; fs<image->width; fs++ ) {
- for ( ss=0; ss<image->height; ss++ ) {
+ for ( ss=0; ss<p->h; ss++ ) {
+ for ( fs=0; fs<p->w; fs++ ) {
int idx;
double f_lattice, I_lattice;
double I_molecule;
struct rvec q;
- double twotheta;
int xs, ys;
float xo, yo;
@@ -395,7 +394,7 @@ static void diffraction_at_k(struct image *image, const double *intensities,
xo = (1.0/nxs) * xs;
yo = (1.0/nys) * ys;
- q = get_q(image, fs+xo, ss+yo, &twotheta, k);
+ q = get_q_for_panel(p, fs+xo, ss+yo, NULL, k);
f_lattice = lattice_factor(q, ax, ay, az,
bx, by, bz,
@@ -411,14 +410,33 @@ static void diffraction_at_k(struct image *image, const double *intensities,
I_lattice = pow(f_lattice, 2.0);
- idx = fs + image->width*ss;
- image->data[idx] += I_lattice * I_molecule * weight;
- image->twotheta[idx] = twotheta;
+ idx = fs + p->w*ss;
+ image->dp[pn][idx] += I_lattice * I_molecule * weight;
}
}
}
- progress_bar(fs, image->width-1, "Calculating diffraction");
+ progress_bar(ss, p->h-1, "Calculating diffraction");
+ }
+}
+
+
+static void diffraction_at_k(struct image *image, const double *intensities,
+ const double *phases, const unsigned char *flags,
+ UnitCell *cell, GradientMethod m,
+ const SymOpList *sym, double k,
+ double ax, double ay, double az,
+ double bx, double by, double bz,
+ double cx, double cy, double cz,
+ double *lut_a, double *lut_b, double *lut_c,
+ double weight)
+{
+ int i;
+
+ for ( i=0; i<image->det->n_panels; i++ ) {
+ diffraction_panel(image, intensities, phases, flags, cell, m,
+ sym, k, ax, ay, az, bx, by, bz, cx, cy, cz,
+ lut_a, lut_b, lut_c, i, weight);
}
}
@@ -710,12 +728,6 @@ void get_diffraction(struct image *image, int na, int nb, int nc,
cell_get_cartesian(cell, &ax, &ay, &az, &bx, &by, &bz, &cx, &cy, &cz);
- /* Allocate (and zero) the "diffraction array" */
- image->data = calloc(image->width * image->height, sizeof(float));
-
- /* Needed later for Lorentz calculation */
- image->twotheta = malloc(image->width * image->height * sizeof(double));
-
lut_a = get_sinc_lut(na, no_fringes);
lut_b = get_sinc_lut(nb, no_fringes);
lut_c = get_sinc_lut(nc, no_fringes);