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-rw-r--r--src/ProjectionTangentialLSQ.H2
-rw-r--r--src/ProjectionTangentialLSQ.cxx28
2 files changed, 20 insertions, 10 deletions
diff --git a/src/ProjectionTangentialLSQ.H b/src/ProjectionTangentialLSQ.H
index f0fa837..4e3f19b 100644
--- a/src/ProjectionTangentialLSQ.H
+++ b/src/ProjectionTangentialLSQ.H
@@ -14,7 +14,7 @@ class ProjectionTangentialLSQ : public Projection {
private:
double comp_scale(double alph_a, double alph_b, double d1, double d2);
- int lsq(const Hills *m, ViewParams *parms);
+ int lsq(const Hills *m, ViewParams *parms, int distortion_correct);
public:
void get_coordinates(double a_view, double a_nick,
diff --git a/src/ProjectionTangentialLSQ.cxx b/src/ProjectionTangentialLSQ.cxx
index 4235980..ed5a055 100644
--- a/src/ProjectionTangentialLSQ.cxx
+++ b/src/ProjectionTangentialLSQ.cxx
@@ -28,12 +28,14 @@ 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;
}
@@ -60,13 +62,18 @@ ProjectionTangentialLSQ::comp_params(const Hills *h, ViewParams *parms) {
parms->a_nick = 0.0;
parms->a_tilt = 0.0;
- lsq(h, parms);
+ 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;
};
@@ -77,12 +84,12 @@ 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;
-
+fprintf(stderr, "===> dist %d\n", dat->distortion_correct);
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 (x->size >= 6) {
+ if (dat->distortion_correct) {
k0 = gsl_vector_get (x, 4);
k1 = gsl_vector_get (x, 5);
} else {
@@ -113,7 +120,7 @@ lsq_df (const gsl_vector * x, void *data, gsl_matrix * J) {
c_nick = gsl_vector_get (x, 1);
c_tilt = gsl_vector_get (x, 2);
scale = gsl_vector_get (x, 3);
- if (x->size >= 6) {
+ if (dat->distortion_correct) {
k0 = gsl_vector_get (x, 4);
k1 = gsl_vector_get (x, 5);
} else {
@@ -128,7 +135,7 @@ lsq_df (const gsl_vector * x, void *data, gsl_matrix * J) {
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 (x->size >= 6) {
+ 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));
}
@@ -137,7 +144,7 @@ lsq_df (const gsl_vector * x, void *data, gsl_matrix * J) {
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 (x->size >= 6) {
+ 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));
}
@@ -155,7 +162,9 @@ lsq_fdf (const gsl_vector * x, void *data, gsl_vector * f, gsl_matrix * J) {
}
int
-ProjectionTangentialLSQ::lsq(const Hills *h, ViewParams *parms) {
+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;
@@ -163,10 +172,11 @@ ProjectionTangentialLSQ::lsq(const Hills *h, ViewParams *parms) {
double x_init[8];
gsl_vector_view x;
int status;
- int num_params = h->get_num()>3?6:4;
+ int num_params = distortion_correct?6:4;
fprintf(stderr, "k0 %f, k1 %f num %d\n", parms->k0, parms->k1, num_params);
+ dat.distortion_correct = distortion_correct;
dat.h = h;
dat.old_params = parms;
@@ -206,7 +216,7 @@ ProjectionTangentialLSQ::lsq(const Hills *h, ViewParams *parms) {
parms->a_tilt = gsl_vector_get(s->x, 2);
parms->scale = gsl_vector_get(s->x, 3);
- if (num_params == 6) {
+ if (distortion_correct) {
parms->k0 = gsl_vector_get(s->x, 4);
parms->k1 = gsl_vector_get(s->x, 5);
}