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-rw-r--r--src/GipfelWidget.cxx2
-rw-r--r--src/ProjectionLSQ.cxx152
2 files changed, 84 insertions, 70 deletions
diff --git a/src/GipfelWidget.cxx b/src/GipfelWidget.cxx
index 2c9c91e..fa65e22 100644
--- a/src/GipfelWidget.cxx
+++ b/src/GipfelWidget.cxx
@@ -682,7 +682,7 @@ GipfelWidget::handle(int event) {
return 1;
case FL_RELEASE:
cur_mountain = NULL;
- if (known_hills->get_num() > 1)
+ if (known_hills->get_num() > 0)
comp_params();
return 1;
case FL_ENTER:
diff --git a/src/ProjectionLSQ.cxx b/src/ProjectionLSQ.cxx
index 436dd7a..bcbb206 100644
--- a/src/ProjectionLSQ.cxx
+++ b/src/ProjectionLSQ.cxx
@@ -33,43 +33,48 @@ int
ProjectionLSQ::comp_params(const Hills *h, ViewParams *parms) {
const Hill *m1, *m2;
double scale_tmp;
- int distortion_correct = 0;
- ViewParams new_parms;
+ int known_hills = h->get_num();
+ ViewParams new_parms = *parms;
- if (h->get_num() < 2) {
- fprintf(stderr, "Please position at least 2 hills\n");
+ if (known_hills < 1) {
+ fprintf(stderr, "Please position at least 1 hill\n");
return 1;
- } else if (h->get_num() > 3) {
- fprintf(stderr, "Performing calibration\n");
- distortion_correct = 1;
- parms->k0 = 0.0;
- parms->k1 = 0.0;
- parms->x0 = 0.0;
}
m1 = h->get(0);
- m2 = h->get(1);
+ new_parms.a_center = m1->alph;
+ new_parms.a_nick = 0.0;
- scale_tmp = comp_scale(m1->alph, m2->alph, m1->x, m2->x);
+ if (known_hills > 1) {
+ m2 = h->get(1);
- if (isnan(scale_tmp) || scale_tmp < 50.0) {
- fprintf(stderr, "Could not determine initial scale value (%f)\n",
- scale_tmp);
- return 1;
- }
+ scale_tmp = comp_scale(m1->alph, m2->alph, m1->x, m2->x);
- new_parms.a_center = m1->alph;
- new_parms.scale = scale_tmp;
- new_parms.a_nick = 0.0;
- new_parms.a_tilt = 0.0;
- new_parms.k0 = parms->k0;
- new_parms.k1 = parms->k1;
- new_parms.x0 = parms->x0;
+ if (isnan(scale_tmp) || scale_tmp < 50.0) {
+ fprintf(stderr, "Could not determine initial scale value (%f)\n",
+ scale_tmp);
+ return 1;
+ }
+
+ new_parms.scale = scale_tmp;
+ new_parms.a_tilt = 0.0;
+ }
- lsq(h, &new_parms, 0);
+ if (known_hills > 3) {
+ fprintf(stderr, "Performing calibration\n");
+ new_parms.k0 = 0.0;
+ new_parms.k1 = 0.0;
+ new_parms.x0 = 0.0;
+ }
- if (distortion_correct)
+ if (known_hills == 1) {
+ lsq(h, &new_parms, 0);
+ } else if (known_hills < 4) {
+ lsq(h, &new_parms, 1);
+ } else {
lsq(h, &new_parms, 1);
+ lsq(h, &new_parms, 2);
+ }
if (isnan(new_parms.scale) || new_parms.scale < 50.0) {
fprintf(stderr, "Could not determine reasonable view parameters\n");
@@ -83,30 +88,28 @@ ProjectionLSQ::comp_params(const Hills *h, ViewParams *parms) {
struct data {
ProjectionLSQ *p;
- int distortion_correct;
+ int level;
const Hills *h;
const ViewParams *old_params;
};
-#define CALL(A) dat->p->A(c_view, c_nick, c_tilt, scale, k0, k1, x0, m->alph, m->a_nick)
+#define CALL(A) dat->p->A(parms.a_center, parms.a_nick, parms.a_tilt, parms.scale, parms.k0, parms.k1, parms.x0, m->alph, m->a_nick)
static int
lsq_f (const gsl_vector * x, void *data, gsl_vector * f) {
struct data *dat = (struct data *) data;
- double c_view, c_nick, c_tilt, scale, k0, k1, x0;
-
- c_view = gsl_vector_get (x, 0);
- c_nick = gsl_vector_get (x, 1);
- c_tilt = gsl_vector_get (x, 2);
- scale = gsl_vector_get (x, 3);
- if (dat->distortion_correct) {
- k0 = gsl_vector_get (x, 4);
- k1 = gsl_vector_get (x, 5);
- x0 = gsl_vector_get (x, 6);
- } else {
- k0 = dat->old_params->k0;
- k1 = dat->old_params->k1;
- x0 = dat->old_params->x0;
+ ViewParams parms = *dat->old_params;
+
+ parms.a_center = gsl_vector_get (x, 0);
+ parms.a_nick = gsl_vector_get (x, 1);
+ if (dat->level > 0) {
+ parms.a_tilt = gsl_vector_get (x, 2);
+ parms.scale = gsl_vector_get (x, 3);
+ }
+ if (dat->level > 1) {
+ parms.k0 = gsl_vector_get (x, 4);
+ parms.k1 = gsl_vector_get (x, 5);
+ parms.x0 = gsl_vector_get (x, 6);
}
for (int i=0; i<dat->h->get_num(); i++) {
@@ -126,30 +129,30 @@ lsq_f (const gsl_vector * x, void *data, gsl_vector * f) {
static int
lsq_df (const gsl_vector * x, void *data, gsl_matrix * J) {
struct data *dat = (struct data *) data;
- double c_view, c_nick, c_tilt, scale, k0, k1, x0;
-
- c_view = gsl_vector_get (x, 0);
- c_nick = gsl_vector_get (x, 1);
- c_tilt = gsl_vector_get (x, 2);
- scale = gsl_vector_get (x, 3);
- if (dat->distortion_correct) {
- k0 = gsl_vector_get (x, 4);
- k1 = gsl_vector_get (x, 5);
- x0 = gsl_vector_get (x, 6);
- } else {
- k0 = dat->old_params->k0;
- k1 = dat->old_params->k1;
- x0 = dat->old_params->x0;
- }
+ ViewParams parms = *dat->old_params;
+
+ parms.a_center = gsl_vector_get (x, 0);
+ parms.a_nick = gsl_vector_get (x, 1);
+ if (dat->level > 0) {
+ parms.a_tilt = gsl_vector_get (x, 2);
+ parms.scale = gsl_vector_get (x, 3);
+ }
+ if (dat->level > 1) {
+ parms.k0 = gsl_vector_get (x, 4);
+ parms.k1 = gsl_vector_get (x, 5);
+ parms.x0 = gsl_vector_get (x, 6);
+ }
for (int i=0; i<dat->h->get_num(); i++) {
Hill *m = dat->h->get(i);
gsl_matrix_set (J, 2*i, 0, CALL(mac_x_dc_view));
gsl_matrix_set (J, 2*i, 1, CALL(mac_x_dc_nick));
- gsl_matrix_set (J, 2*i, 2, CALL(mac_x_dc_tilt));
- gsl_matrix_set (J, 2*i, 3, CALL(mac_x_dscale));
- if (dat->distortion_correct) {
+ if (dat->level > 0) {
+ gsl_matrix_set (J, 2*i, 2, CALL(mac_x_dc_tilt));
+ gsl_matrix_set (J, 2*i, 3, CALL(mac_x_dscale));
+ }
+ if (dat->level > 1) {
gsl_matrix_set (J, 2*i, 4, CALL(mac_x_dk0));
gsl_matrix_set (J, 2*i, 5, CALL(mac_x_dk1));
gsl_matrix_set (J, 2*i, 6, CALL(mac_x_dx0));
@@ -157,9 +160,11 @@ lsq_df (const gsl_vector * x, void *data, gsl_matrix * J) {
gsl_matrix_set (J, 2*i+1, 0, CALL(mac_y_dc_view));
gsl_matrix_set (J, 2*i+1, 1, CALL(mac_y_dc_nick));
- gsl_matrix_set (J, 2*i+1, 2, CALL(mac_y_dc_tilt));
- gsl_matrix_set (J, 2*i+1, 3, CALL(mac_y_dscale));
- if (dat->distortion_correct) {
+ if (dat->level > 0) {
+ gsl_matrix_set (J, 2*i+1, 2, CALL(mac_y_dc_tilt));
+ gsl_matrix_set (J, 2*i+1, 3, CALL(mac_y_dscale));
+ }
+ if (dat->level > 1) {
gsl_matrix_set (J, 2*i+1, 4, CALL(mac_y_dk0));
gsl_matrix_set (J, 2*i+1, 5, CALL(mac_y_dk1));
gsl_matrix_set (J, 2*i+1, 6, CALL(mac_y_dx0));
@@ -179,7 +184,7 @@ lsq_fdf (const gsl_vector * x, void *data, gsl_vector * f, gsl_matrix * J) {
int
ProjectionLSQ::lsq(const Hills *h, ViewParams *parms,
- int distortion_correct) {
+ int level) {
const gsl_multifit_fdfsolver_type *T;
gsl_multifit_fdfsolver *s;
@@ -188,10 +193,17 @@ ProjectionLSQ::lsq(const Hills *h, ViewParams *parms,
double x_init[8];
gsl_vector_view x;
int status;
- int num_params = distortion_correct?7:4;
+ int num_params;
+
+ if (level == 0)
+ num_params = 2;
+ else if (level == 1)
+ num_params = 4;
+ else
+ num_params = 7;
dat.p = this;
- dat.distortion_correct = distortion_correct;
+ dat.level = level;
dat.h = h;
dat.old_params = parms;
@@ -225,10 +237,12 @@ ProjectionLSQ::lsq(const Hills *h, ViewParams *parms,
parms->a_center = gsl_vector_get(s->x, 0);
parms->a_nick = gsl_vector_get(s->x, 1);
- parms->a_tilt = gsl_vector_get(s->x, 2);
- parms->scale = gsl_vector_get(s->x, 3);
- if (distortion_correct) {
+ if (level > 0) {
+ parms->a_tilt = gsl_vector_get(s->x, 2);
+ parms->scale = gsl_vector_get(s->x, 3);
+ }
+ if (level > 1) {
parms->k0 = gsl_vector_get(s->x, 4);
parms->k1 = gsl_vector_get(s->x, 5);
parms->x0 = gsl_vector_get(s->x, 6);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 23:00:00 +0000