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-rw-r--r--src/GipfelWidget.cxx38
-rw-r--r--src/Hill.H2
-rw-r--r--src/Panorama.cxx9
-rw-r--r--src/ProjectionTangentialLSQ.cxx95
-rw-r--r--src/lsq_funcs.mac24
5 files changed, 67 insertions, 101 deletions
diff --git a/src/GipfelWidget.cxx b/src/GipfelWidget.cxx
index abbc393..f63cc67 100644
--- a/src/GipfelWidget.cxx
+++ b/src/GipfelWidget.cxx
@@ -214,8 +214,6 @@ void
GipfelWidget::draw() {
Hills *mnts;
Hill *m;
- int center_x = w() / 2;
- int center_y = h() / 2;
int i;
if (img == NULL) {
@@ -230,6 +228,8 @@ GipfelWidget::draw() {
mnts = pan->get_visible_mountains();
for (i=0; i<mnts->get_num(); i++) {
m = mnts->get(i);
+ int m_x = w() / 2 + x() + (int) rint(m->x);
+ int m_y = h() / 2 + y() + (int) rint(m->y);
if (m->flags & (Hill::DUPLICATE|Hill::TRACK_POINT)) {
continue;
@@ -241,29 +241,17 @@ GipfelWidget::draw() {
if (known_hills->contains(m)) {
fl_color(FL_RED);
- draw_flag(center_x + m->x + x(), center_y + m->y + y(), "1");
+ draw_flag(m_x, m_y, "1");
} else if (m->flags & Hill::HIDDEN) {
fl_color(FL_BLUE);
} else {
fl_color(FL_BLACK);
}
- fl_xyline(center_x + m->x + x() - CROSS_SIZE, center_y + m->y + y(), center_x + m->x + x() + CROSS_SIZE);
- fl_yxline(center_x + m->x + x(), center_y + m->y + m->label_y + y() - CROSS_SIZE, center_y + m->y + y() + CROSS_SIZE);
-
- fl_draw(m->name,
- center_x + m->x + x(),
- center_y + m->y + m->label_y + y());
- }
-
- /* markers */
- for (i=0; i<marker->get_num(); i++) {
- m = marker->get(i);
+ fl_xyline(m_x- CROSS_SIZE, m_y, m_x + CROSS_SIZE);
+ fl_yxline(m_x, m_y + m->label_y - CROSS_SIZE, m_y + CROSS_SIZE);
- fl_color(FL_GREEN);
- fl_xyline(center_x + m->x + x() - CROSS_SIZE * 2, center_y + m->y + y(), center_x + m->x + x() + CROSS_SIZE * 2);
- fl_yxline(center_x + m->x + x(), center_y + m->y + y() - CROSS_SIZE * 2, center_y + m->y + y() + CROSS_SIZE * 2);
- draw_flag(center_x + m->x + x(), center_y + m->y + y(), NULL);
+ fl_draw(m->name, m_x , m_y + m->label_y);
}
/* track */
@@ -271,6 +259,9 @@ GipfelWidget::draw() {
int last_x, last_y, last_initialized = 0;
for (i=1; i<track_points->get_num(); i++) {
+ m = mnts->get(i);
+ int m_x = w() / 2 + x() + (int) rint(m->x);
+ int m_y = h() / 2 + y() + (int) rint(m->y);
if (!(track_points->get(i)->flags & Hill::VISIBLE)) {
continue;
}
@@ -285,14 +276,13 @@ GipfelWidget::draw() {
get_rel_track_width(track_points->get(i)));
if (last_initialized) {
fl_begin_line();
- fl_vertex(center_x + x() + last_x, center_y + y() + last_y);
- fl_vertex(center_x + x() + track_points->get(i)->x,
- center_y + y() + track_points->get(i)->y);
+ fl_vertex(last_x, last_y);
+ fl_vertex(m_x, m_y);
fl_end_line();
}
- last_x = track_points->get(i)->x;
- last_y = track_points->get(i)->y;
+ last_x = m_x;
+ last_y = m_y;
last_initialized++;
}
fl_line_style(0);
@@ -303,7 +293,7 @@ GipfelWidget::draw() {
static int
-overlap(int m1, int n1, int m2, int n2) {
+overlap(double m1, double n1, double m2, double n2) {
return m1 <= n2 && n1 >= m2;
}
diff --git a/src/Hill.H b/src/Hill.H
index e9f5ce6..2585276 100644
--- a/src/Hill.H
+++ b/src/Hill.H
@@ -27,7 +27,7 @@ class Hill {
double a_view;
double a_nick;
double dist;
- int x, y;
+ double x, y;
int label_x, label_y;
char *name;
int flags;
diff --git a/src/Panorama.cxx b/src/Panorama.cxx
index b227ebf..a62e2f0 100644
--- a/src/Panorama.cxx
+++ b/src/Panorama.cxx
@@ -164,7 +164,7 @@ Panorama::guess(Hills *p, Hill *m1) {
Hills h;
double best = 100000000.0, v;
double a_center_best, a_nick_best, a_tilt_best, scale_best;
- int x1_sav, y1_sav;
+ double x1_sav, y1_sav;
int i, j;
if (m1 == NULL) {
@@ -475,7 +475,6 @@ Panorama::update_visible_mountains() {
m = close_mountains->get(i);
m->a_view = m->alph - parms.a_center;
-
if (m->a_view > pi_d) {
m->a_view -= 2.0*pi_d;
} else if (m->a_view < -pi_d) {
@@ -499,11 +498,7 @@ Panorama::update_coordinates() {
for (int i=0; i<visible_mountains->get_num(); i++) {
m = visible_mountains->get(i);
- double tmp_x, tmp_y;
-
- proj->get_coordinates(m->a_view, m->a_nick, &parms, &tmp_x, &tmp_y);
- m->x = (int) rint(tmp_x);
- m->y = (int) rint(tmp_y);
+ proj->get_coordinates(m->a_view, m->a_nick, &parms, &m->x, &m->y);
}
}
diff --git a/src/ProjectionTangentialLSQ.cxx b/src/ProjectionTangentialLSQ.cxx
index b201d31..059ad5d 100644
--- a/src/ProjectionTangentialLSQ.cxx
+++ b/src/ProjectionTangentialLSQ.cxx
@@ -22,6 +22,8 @@ static double sec(double a) {
return 1.0 / cos(a);
}
+static double pi_d = asin(1.0) * 2.0, deg2rad = pi_d / 180.0;
+
#include "lsq_funcs.c"
static double
@@ -57,24 +59,16 @@ ProjectionTangentialLSQ::comp_params(const Hills *h, ViewParams *parms) {
scale_tmp = comp_scale(m1->alph, m2->alph, m1->x, m2->x);
}
- a_center_tmp = comp_center_angle(m1->alph, m2->alph, m1->x, m2->x);
- a_nick_tmp = atan ((m1->y + tan(m1->a_nick) * parms->scale) /
- (parms->scale - m1->y * tan(m1->a_nick)));
- if (isnan(a_center_tmp) || isnan(scale_tmp) ||
- scale_tmp < 100.0 || isnan(a_nick_tmp)) {
+ if (isnan(scale_tmp) || scale_tmp < 100.0) {
return 1;
} else {
- parms->a_center = a_center_tmp;
+ parms->a_center = m1->alph;
parms->scale = scale_tmp;
- parms->a_nick = a_nick_tmp;
+ parms->a_nick = 0.0;
parms->a_tilt = 0.0;
- if (angle_dist(parms->a_center, m1->alph) > pi_d/2.0) {
- parms->a_center = parms->a_center + pi_d;
- }
-
lsq(h, parms);
return 0;
@@ -107,7 +101,7 @@ struct data {
const ViewParams *old_params;
};
-#define CALL(A) A(c_view, c_nick, c_tilt, scale, k0, k1, u0, v0, m->a_view, m->a_nick)
+#define CALL(A) A(c_view, c_nick, c_tilt, scale, k0, k1, m->a_view, m->a_nick)
static int
lsq_f (const gsl_vector * x, void *data, gsl_vector * f) {
@@ -121,30 +115,19 @@ lsq_f (const gsl_vector * x, void *data, gsl_vector * f) {
if (x->size >= 6) {
k0 = gsl_vector_get (x, 4);
k1 = gsl_vector_get (x, 5);
-#if 0
- u0 = gsl_vector_get (x, 6);
- v0 = gsl_vector_get (x, 7);
-#else
- u0 = dat->old_params->u0;
- v0 = dat->old_params->v0;
-#endif
-
-
} else {
k0 = dat->old_params->k0;
k1 = dat->old_params->k1;
- u0 = dat->old_params->u0;
- v0 = dat->old_params->v0;
}
for (int i=0; i<dat->h->get_num(); i++) {
Hill *m = dat->h->get(i);
- double x = CALL(mac_x);
- double y = CALL(mac_y);
+ double mx = CALL(mac_x);
+ double my = CALL(mac_y);
- gsl_vector_set (f, i*2, x - m->x);
- gsl_vector_set (f, i*2+1, y - m->y);
+ gsl_vector_set (f, i*2, mx - m->x);
+ gsl_vector_set (f, i*2+1, my - m->y);
}
return GSL_SUCCESS;
@@ -163,19 +146,9 @@ lsq_df (const gsl_vector * x, void *data, gsl_matrix * J) {
if (x->size >= 6) {
k0 = gsl_vector_get (x, 4);
k1 = gsl_vector_get (x, 5);
-#if 0
- u0 = gsl_vector_get (x, 6);
- v0 = gsl_vector_get (x, 7);
-#else
- u0 = dat->old_params->u0;
- v0 = dat->old_params->v0;
-
-#endif
} else {
k0 = dat->old_params->k0;
k1 = dat->old_params->k1;
- u0 = dat->old_params->u0;
- v0 = dat->old_params->v0;
}
for (int i=0; i<dat->h->get_num(); i++) {
@@ -188,10 +161,6 @@ lsq_df (const gsl_vector * x, void *data, gsl_matrix * J) {
if (x->size >= 6) {
gsl_matrix_set (J, 2*i, 4, CALL(mac_x_dk0));
gsl_matrix_set (J, 2*i, 5, CALL(mac_x_dk1));
-#if 0
- gsl_matrix_set (J, 2*i, 6, CALL(mac_x_du0));
- gsl_matrix_set (J, 2*i, 7, CALL(mac_x_dv0));
-#endif
}
gsl_matrix_set (J, 2*i+1, 0, CALL(mac_y_dc_view));
@@ -201,10 +170,6 @@ lsq_df (const gsl_vector * x, void *data, gsl_matrix * J) {
if (x->size >= 6) {
gsl_matrix_set (J, 2*i+1, 4, CALL(mac_y_dk0));
gsl_matrix_set (J, 2*i+1, 5, CALL(mac_y_dk1));
-#if 0
- gsl_matrix_set (J, 2*i+1, 6, CALL(mac_y_du0));
- gsl_matrix_set (J, 2*i+1, 7, CALL(mac_y_dv0));
-#endif
}
}
@@ -230,6 +195,11 @@ ProjectionTangentialLSQ::lsq(const Hills *h, ViewParams *parms) {
int status;
int num_params = h->get_num()>3?6:4;
+ fprintf(stderr, "x %f, y %f\n",
+ h->get(0)->x,
+ h->get(0)->y);
+
+
dat.h = h;
dat.old_params = parms;
@@ -239,8 +209,6 @@ ProjectionTangentialLSQ::lsq(const Hills *h, ViewParams *parms) {
x_init[3] = parms->scale;
x_init[4] = parms->k0;
x_init[5] = parms->k1;
- x_init[6] = parms->u0;
- x_init[7] = parms->v0;
x = gsl_vector_view_array (x_init, num_params);
@@ -263,6 +231,7 @@ ProjectionTangentialLSQ::lsq(const Hills *h, ViewParams *parms) {
break;
}
+ fprintf(stderr, "%d, |f(x)| = %g\n", i, gsl_blas_dnrm2 (s->f));
}
parms->a_center = gsl_vector_get(s->x, 0);
@@ -273,16 +242,30 @@ ProjectionTangentialLSQ::lsq(const Hills *h, ViewParams *parms) {
if (num_params == 6) {
parms->k0 = gsl_vector_get(s->x, 4);
parms->k1 = gsl_vector_get(s->x, 5);
-#if 0
- parms->u0 = gsl_vector_get(s->x, 6);
- parms->v0 = gsl_vector_get(s->x, 7);
-#endif
}
gsl_multifit_fdfsolver_free (s);
- fprintf(stderr, "k0 %f k1 %f u0 %f v0 %f\n",
- parms->k0, parms->k1, parms->u0, parms->v0);
+ fprintf(stderr, "center %f, x %f, dx %f, y %f, dy %f\n",
+ parms->a_center / deg2rad,
+ h->get(0)->x,
+ h->get(0)->x - mac_x(parms->a_center,
+ parms->a_nick,
+ parms->a_tilt,
+ parms->scale,
+ parms->k0,
+ parms->k1,
+ h->get(0)->a_view, h->get(0)->a_nick),
+ h->get(0)->y,
+ h->get(0)->y - mac_y(parms->a_center,
+ parms->a_nick,
+ parms->a_tilt,
+ parms->scale,
+ parms->k0,
+ parms->k1,
+ h->get(0)->a_view, h->get(0)->a_nick));
+
+
return 0;
}
@@ -292,9 +275,11 @@ ProjectionTangentialLSQ::get_coordinates(double a_view, double a_nick,
const ViewParams *parms, double *x, double *y) {
*x = mac_x(parms->a_center, parms->a_nick, parms->a_tilt, parms->scale,
- parms->k0, parms->k1, parms->u0, parms->v0, a_view, a_nick);
+ parms->k0, parms->k1, a_view, a_nick);
*y = mac_y(parms->a_center, parms->a_nick, parms->a_tilt, parms->scale,
- parms->k0, parms->k1, parms->u0, parms->v0, a_view, a_nick);
+ parms->k0, parms->k1, a_view, a_nick);
+
+ fprintf(stderr, "==> %f %f\n", *x, *y);
}
double
diff --git a/src/lsq_funcs.mac b/src/lsq_funcs.mac
index 3a2cb33..de71198 100644
--- a/src/lsq_funcs.mac
+++ b/src/lsq_funcs.mac
@@ -2,23 +2,23 @@
* This is the basic pinhole projection model with distortion correction
*/
-x_undist_unrot : tan(m_view - c_view);
-y_undist_unrot : tan(c_nick - m_nick);
-d : (u0 - x_undist_unrot) ^ 2 + (v0 - y_undist_unrot) ^ 2;
+x : tan(m_view - c_view);
+y : tan(c_nick - m_nick);
+x_rot : y * sin(c_tilt) + x * cos(c_tilt);
+y_rot : y * cos(c_tilt) - x * sin(c_tilt);
+d : x_rot ^ 2 + y_rot ^ 2;
dist_fact : d ^ 2 * k1 + d * k0;
-x_unrot : x_undist_unrot * (1 + dist_fact);
-y_unrot : y_undist_unrot * (1 + dist_fact);
-x : scale * (y_unrot * sin(c_tilt) + x_unrot * cos(c_tilt));
-y : scale * (y_unrot * cos(c_tilt) - x_unrot * sin(c_tilt));
+x_dist : x_rot * (1 + dist_fact) * scale;
+y_dist : y_rot * (1 + dist_fact) * scale;
/*
* Some mangling for C code generation
*/
-x_expand : trigexpand(x);
-y_expand : trigexpand(y);
+x_expand : trigexpand(x_dist);
+y_expand : trigexpand(y_dist);
-args: "(double c_view, double c_nick, double c_tilt, double scale, double k0, double k1, double u0, double v0, double m_view, double m_nick)";
+args: "(double c_view, double c_nick, double c_tilt, double scale, double k0, double k1, double m_view, double m_nick)";
printfunc(name, expression) := sprint("static double", name, args, "{ return ", string(subst(pow, "^", expression)), ";}", "
");
@@ -32,13 +32,9 @@ printfunc("mac_x_dc_tilt", diff(x_expand, c_tilt));
printfunc("mac_x_dscale", diff(x_expand, scale));
printfunc("mac_x_dk0", diff(x_expand, k0));
printfunc("mac_x_dk1", diff(x_expand, k1));
-printfunc("mac_x_du0", diff(x_expand, u0));
-printfunc("mac_x_dv0", diff(x_expand, v0));
printfunc("mac_y_dc_view", diff(y_expand, c_view));
printfunc("mac_y_dc_nick", diff(y_expand, c_nick));
printfunc("mac_y_dc_tilt", diff(y_expand, c_tilt));
printfunc("mac_y_dscale", diff(y_expand, scale));
printfunc("mac_y_dk0", diff(y_expand, k0));
printfunc("mac_y_dk1", diff(y_expand, k1));
-printfunc("mac_y_du0", diff(x_expand, u0));
-printfunc("mac_y_dv0", diff(x_expand, v0));
generated by cgit v1.2.3 (git 2.39.1) at 2025-11-03 23:53:58 +0000