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-rw-r--r--src/ProjectionTangentialLSQ.cxx248
1 files changed, 0 insertions, 248 deletions
diff --git a/src/ProjectionTangentialLSQ.cxx b/src/ProjectionTangentialLSQ.cxx
deleted file mode 100644
index 76ec2fa..0000000
--- a/src/ProjectionTangentialLSQ.cxx
+++ /dev/null
@@ -1,248 +0,0 @@
-//
-// Copyright 2006 Johannes Hofmann <Johannes.Hofmann@gmx.de>
-//
-// This software may be used and distributed according to the terms
-// of the GNU General Public License, incorporated herein by reference.
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-
-#include <gsl/gsl_rng.h>
-#include <gsl/gsl_randist.h>
-#include <gsl/gsl_vector.h>
-#include <gsl/gsl_blas.h>
-#include <gsl/gsl_multifit_nlin.h>
-
-#include "ProjectionTangentialLSQ.H"
-
-
-static double sec(double a) {
- return 1.0 / cos(a);
-}
-
-#include "lsq_funcs.c"
-
-int
-ProjectionTangentialLSQ::comp_params(const Hills *h, ViewParams *parms) {
- const Hill *tmp, *m1, *m2;
- double scale_tmp;
- int distortion_correct = 0;
-
- if (h->get_num() < 2) {
- fprintf(stderr, "Please position at least 2 hills\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;
- }
-
- m1 = h->get(0);
- m2 = h->get(1);
-
- scale_tmp = comp_scale(m1->alph, m2->alph, m1->x, m2->x);
- if (isnan(scale_tmp) || scale_tmp < 100.0) {
- // try again with mountains swapped
- tmp = m1;
- m1 = m2;
- m2 = tmp;
- scale_tmp = comp_scale(m1->alph, m2->alph, m1->x, m2->x);
- }
-
-
- if (isnan(scale_tmp) || scale_tmp < 100.0) {
- return 1;
- } else {
-
- parms->a_center = m1->alph;
- parms->scale = scale_tmp;
- parms->a_nick = 0.0;
- parms->a_tilt = 0.0;
-
- lsq(h, parms, 0);
-
- if (distortion_correct) {
- lsq(h, parms, 1);
- }
-
- return 0;
- }
-}
-
-struct data {
- int distortion_correct;
- const Hills *h;
- const ViewParams *old_params;
-};
-
-#define CALL(A) A(c_view, c_nick, c_tilt, scale, k0, k1, 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;
-
- 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);
- } else {
- k0 = dat->old_params->k0;
- k1 = dat->old_params->k1;
- }
-
- for (int i=0; i<dat->h->get_num(); i++) {
- Hill *m = dat->h->get(i);
-
- double mx = CALL(mac_x);
- double my = CALL(mac_y);
-
- gsl_vector_set (f, i*2, mx - m->x);
- gsl_vector_set (f, i*2+1, my - m->y);
- }
-
- return GSL_SUCCESS;
-}
-
-
-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;
-
- 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);
- } else {
- k0 = dat->old_params->k0;
- k1 = dat->old_params->k1;
- }
-
- 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) {
- 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+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) {
- gsl_matrix_set (J, 2*i+1, 4, CALL(mac_y_dk0));
- gsl_matrix_set (J, 2*i+1, 5, CALL(mac_y_dk1));
- }
- }
-
- return GSL_SUCCESS;
-}
-
-static int
-lsq_fdf (const gsl_vector * x, void *data, gsl_vector * f, gsl_matrix * J) {
- lsq_f (x, data, f);
- lsq_df (x, data, J);
-
- return GSL_SUCCESS;
-}
-
-int
-ProjectionTangentialLSQ::lsq(const Hills *h, ViewParams *parms,
- int distortion_correct) {
-
- const gsl_multifit_fdfsolver_type *T;
- gsl_multifit_fdfsolver *s;
- gsl_multifit_function_fdf f;
- struct data dat;
- double x_init[8];
- gsl_vector_view x;
- int status;
- int num_params = distortion_correct?6:4;
-
- dat.distortion_correct = distortion_correct;
- dat.h = h;
- dat.old_params = parms;
-
- x_init[0] = parms->a_center;
- x_init[1] = parms->a_nick;
- x_init[2] = parms->a_tilt;
- x_init[3] = parms->scale;
- x_init[4] = parms->k0;
- x_init[5] = parms->k1;
-
- x = gsl_vector_view_array (x_init, num_params);
-
- f.f = &lsq_f;
- f.df = &lsq_df;
- f.fdf = &lsq_fdf;
- f.n = h->get_num() * 2;
- f.p = num_params;
- f.params = &dat;
-
- T = gsl_multifit_fdfsolver_lmsder;
- s = gsl_multifit_fdfsolver_alloc (T, h->get_num() * 2, num_params);
- gsl_multifit_fdfsolver_set (s, &f, &x.vector);
-
- for (int i=0; i<100; i++) {
-
- status = gsl_multifit_fdfsolver_iterate (s);
- if (status) {
- fprintf(stderr, "gsl_multifit_fdfsolver_iterate: %d\n", status);
- break;
- }
- }
-
- 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) {
- parms->k0 = gsl_vector_get(s->x, 4);
- parms->k1 = gsl_vector_get(s->x, 5);
- }
-
- gsl_multifit_fdfsolver_free (s);
-
- fprintf(stderr, "k0 %f, k1 %f\n", parms->k0, parms->k1);
-
- return 0;
-}
-
-void
-ProjectionTangentialLSQ::get_coordinates(double alph, 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, alph, a_nick);
- *y = mac_y(parms->a_center, parms->a_nick, parms->a_tilt, parms->scale,
- parms->k0, parms->k1, alph, a_nick);
-}
-
-double
-ProjectionTangentialLSQ::comp_scale(double a1, double a2, double d1, double d2) {
- double sign1 = 1.0;
- double sc, tan_a1, tan_a2;
-
- tan_a1 = tan(a1);
- tan_a2 = tan(a2);
-
- sc = ((((1.0 + (tan_a1 * tan_a2)) * (d1 - d2)) - (sign1 * pow((((1.0 + pow((tan_a1 * tan_a2), 2.0)) * ((d1 * d1) + (d2 * d2))) + (2.0 * ((tan_a1 * tan_a2 * pow((d1 + d2), 2.0)) - (d1 * d2 * (((tan_a1 * tan_a1) * (2.0 + (tan_a2 * tan_a2))) + 1.0 + (2.0 * (tan_a2 * tan_a2))))))), (1.0 / 2.0)))) / (2.0 * (tan_a1 - tan_a2)));
-
- return sc;
-}
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