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-rw-r--r--src/GipfelWidget.H4
-rw-r--r--src/GipfelWidget.cxx23
-rw-r--r--src/Hill.H5
-rw-r--r--src/Panorama.H14
-rw-r--r--src/Panorama.cxx54
-rw-r--r--src/gipfel.cxx22
6 files changed, 93 insertions, 29 deletions
diff --git a/src/GipfelWidget.H b/src/GipfelWidget.H
index 316fbca..85585ba 100644
--- a/src/GipfelWidget.H
+++ b/src/GipfelWidget.H
@@ -1,5 +1,5 @@
//
-// "$Id: GipfelWidget.H,v 1.5 2005/04/13 22:24:53 hofmann Exp $"
+// "$Id: GipfelWidget.H,v 1.6 2005/04/14 21:15:45 hofmann Exp $"
//
// X11 header file for the Fast Light Tool Kit (FLTK).
//
@@ -50,6 +50,8 @@ class GipfelWidget : public Fl_Widget {
void set_center_angle(double a);
+ void set_nick_angle(double a);
+
void set_scale(double s);
void set_height_dist_ratio(double r);
diff --git a/src/GipfelWidget.cxx b/src/GipfelWidget.cxx
index faf70d1..f4ad159 100644
--- a/src/GipfelWidget.cxx
+++ b/src/GipfelWidget.cxx
@@ -1,5 +1,5 @@
//
-// "$Id: GipfelWidget.cxx,v 1.6 2005/04/14 19:54:58 hofmann Exp $"
+// "$Id: GipfelWidget.cxx,v 1.7 2005/04/14 21:15:45 hofmann Exp $"
//
// PSEditWidget routines.
//
@@ -73,7 +73,8 @@ GipfelWidget::set_viewpoint(const char *pos) {
void
GipfelWidget::draw() {
Mountain *m;
- int center = w() / 2;
+ int center_x = w() / 2;
+ int center_y = h() / 2;
if (img == NULL) {
return;
@@ -82,8 +83,6 @@ GipfelWidget::draw() {
fl_push_clip(x(), y(), w(), h());
img->draw(x(),y(),w(),h(),0,0);
-
-
fl_font(FL_COURIER, 10);
m = pan->get_visible_mountains();
while (m) {
@@ -93,8 +92,14 @@ GipfelWidget::draw() {
fl_color(FL_BLACK);
}
- fl_line(center + m->x + x(), 0 + y(), center + m->x + x(), h() + y());
- fl_draw(m->name, center + m->x + x(), 20 + y() + (int) m->height / 8);
+ fl_rectf(center_x + m->x + x() - 2,
+ center_y + m->y + y() - 2,
+ 4,
+ 4);
+ // fl_line(center_x + m->x + x(), 0 + y(), center_x + m->x + x(), h() + y());
+ fl_draw(m->name,
+ center_x + m->x + x(),
+ center_y + m->y + y());
m = m->get_next_visible();
}
@@ -143,6 +148,12 @@ GipfelWidget::set_center_angle(double a) {
}
void
+GipfelWidget::set_nick_angle(double a) {
+ pan->set_nick_angle(a);
+ redraw();
+}
+
+void
GipfelWidget::set_scale(double s) {
pan->set_scale(s);
redraw();
diff --git a/src/Hill.H b/src/Hill.H
index 5254376..a89acc9 100644
--- a/src/Hill.H
+++ b/src/Hill.H
@@ -1,5 +1,5 @@
//
-// "$Id: Hill.H,v 1.4 2005/04/14 19:54:58 hofmann Exp $"
+// "$Id: Hill.H,v 1.5 2005/04/14 21:15:45 hofmann Exp $"
//
// X11 header file for the Fast Light Tool Kit (FLTK).
//
@@ -36,7 +36,8 @@ class Mountain {
double height;
double alph;
double a_view;
- double distance;
+ double a_nick;
+ double dist;
int x, y;
char *name;
diff --git a/src/Panorama.H b/src/Panorama.H
index 30e2635..7bacb09 100644
--- a/src/Panorama.H
+++ b/src/Panorama.H
@@ -1,5 +1,5 @@
//
-// "$Id: Panorama.H,v 1.3 2005/04/13 21:58:31 hofmann Exp $"
+// "$Id: Panorama.H,v 1.4 2005/04/14 21:15:45 hofmann Exp $"
//
// X11 header file for the Fast Light Tool Kit (FLTK).
//
@@ -28,16 +28,16 @@
class Panorama {
private:
- double view_phi, view_lam;
+ double view_phi, view_lam, view_height;
double height_dist_ratio;
Mountain *mountains;
Mountain *visible_mountains;
Mountain *m1, *m2;
double pi, deg2rad;
- double a_center;
+ double a_center, a_nick;
double scale;
- int get_pos(const char *name, double *phi, double *lam);
+ int get_pos(const char *name, double *phi, double *lam, double *height);
void update_visible_mountains();
@@ -48,11 +48,15 @@ class Panorama {
double cos_alpha(double phi, double c);
double alpha(double phi, double lam);
+
+ double nick(double dist, double height);
double center_angle(double alph_a, double alph_b, double d1, double d2);
int get_x(Mountain *m);
+ int get_y(Mountain *m);
+
public:
Panorama();
@@ -70,6 +74,8 @@ class Panorama {
void set_center_angle(double a);
+ void set_nick_angle(double a);
+
void set_scale(double s);
};
diff --git a/src/Panorama.cxx b/src/Panorama.cxx
index 256b07d..f6a5916 100644
--- a/src/Panorama.cxx
+++ b/src/Panorama.cxx
@@ -1,5 +1,5 @@
//
-// "$Id: Panorama.cxx,v 1.5 2005/04/14 19:54:58 hofmann Exp $"
+// "$Id: Panorama.cxx,v 1.6 2005/04/14 21:15:45 hofmann Exp $"
//
// PSEditWidget routines.
//
@@ -36,8 +36,9 @@ Panorama::Panorama() {
height_dist_ratio = 0.07;
pi = asin(1.0) * 2.0;
deg2rad = pi / 180.0;
- a_center = 0.2*pi;
- scale = 0.2;
+ a_center = 0.0;
+ a_nick = 0.0;
+ scale = 20.0;
}
Panorama::~Panorama() {
@@ -95,7 +96,7 @@ Panorama::load_file(const char *name) {
int
Panorama::set_viewpoint(const char *name) {
- if (get_pos(name, &view_phi, &view_lam) != 1) {
+ if (get_pos(name, &view_phi, &view_lam, &view_height) != 1) {
fprintf(stderr, "Could not find exactly one entry for %s.\n");
return 1;
}
@@ -115,6 +116,11 @@ Panorama::get_x(Mountain *m) {
}
int
+Panorama::get_y(Mountain *m) {
+ return - (int) (tan(m->a_nick - a_nick) * scale);
+}
+
+int
Panorama::move_mountain(Mountain *m, int x, int y) {
if (m1 && m2 && m != m1 && m != m2) {
return 1;
@@ -145,6 +151,12 @@ Panorama::set_center_angle(double a) {
}
void
+Panorama::set_nick_angle(double a) {
+ a_nick = a;
+ update_visible_mountains();
+}
+
+void
Panorama::set_scale(double s) {
scale = s;
fprintf(stderr, "-->scale %f\n", s);
@@ -159,15 +171,16 @@ Panorama::set_height_dist_ratio(double r) {
}
int
-Panorama::get_pos(const char *name, double *phi, double *lam) {
+Panorama::get_pos(const char *name, double *phi, double *lam, double *height) {
Mountain *m = mountains;
int found = 0;
- double p, l;
+ double p, l, h;
while (m) {
if (strcmp(m->name, name) == 0) {
p = m->phi;
l = m->lam;
+ h = m->height;
fprintf(stderr, "Found matching entry: %s (%fm)\n", m->name, m->height);
found++;
@@ -177,8 +190,9 @@ Panorama::get_pos(const char *name, double *phi, double *lam) {
}
if (found == 1) {
- *phi = p;
- *lam = l;
+ *phi = p;
+ *lam = l;
+ *height = h;
}
return found;
@@ -190,8 +204,9 @@ Panorama::update_visible_mountains() {
visible_mountains = NULL;
while (m) {
+ m->dist = distance(m->phi, m->lam);
if ((m->phi != view_phi || m->lam != view_lam) &&
- (m->height / (distance(m->phi, m->lam)* 6368000)
+ (m->height / (m->dist * 6368000)
> height_dist_ratio)) {
m->alph = alpha(m->phi, m->lam);
@@ -203,10 +218,11 @@ Panorama::update_visible_mountains() {
}
// fprintf(stderr, "==> %s %f, dist %f km %f\n", m->name, m->alph, distance(m->phi, m->lam)* 6368, m->a_view);
- if (m->a_view < pi / 2.0 &&
- m->a_view > - pi / 2.0) {
-
+ if (m->a_view < pi / 2.0 && m->a_view > - pi / 2.0) {
+
+ m->a_nick = nick(m->dist, m->height);
m->x = get_x(m);
+ m->y = get_y(m);
m->clear_next_visible();
if (visible_mountains) {
visible_mountains->append_visible(m);
@@ -266,3 +282,17 @@ Panorama::center_angle(double alph_a, double alph_b, double d1, double d2) {
fprintf(stderr, "tan_b=%f\n", tan_b);
return alph_a + atan(tan_b);
}
+
+double
+Panorama::nick(double dist, double height) {
+ double a, b, c;
+ double beta;
+
+ b = height + 6368000.0;
+ c = view_height + 6368000.0;
+
+ a = pow(((b * (b - (2.0 * c * cos(dist)))) + (c * c)), (1.0 / 2.0));
+ beta = acos((-(b*b) + (a*a) + (c*c))/(2 * a * c));
+
+ return beta - pi / 2.0;
+}
diff --git a/src/gipfel.cxx b/src/gipfel.cxx
index 4db18ae..471bb3e 100644
--- a/src/gipfel.cxx
+++ b/src/gipfel.cxx
@@ -1,5 +1,5 @@
//
-// "$Id: gipfel.cxx,v 1.7 2005/04/14 19:54:58 hofmann Exp $"
+// "$Id: gipfel.cxx,v 1.8 2005/04/14 21:15:45 hofmann Exp $"
//
// flpsed program.
//
@@ -66,6 +66,12 @@ void angle_cb(Fl_Slider* o, void*) {
}
}
+void nick_cb(Fl_Slider* o, void*) {
+ if (gipf) {
+ gipf->set_nick_angle((double)(o->value()));
+ }
+}
+
void h_d_cb(Fl_Slider* o, void*) {
if (gipf) {
gipf->set_height_dist_ratio((double)(o->value()));
@@ -139,8 +145,8 @@ int main(int argc, char** argv) {
img_file = my_argv[0];
}
- win = new Fl_Window(600,700);
- m = new Fl_Menu_Bar(0, 0, 600, 30);
+ win = new Fl_Window(800,700);
+ m = new Fl_Menu_Bar(0, 0, 800, 30);
m->menu(menuitems);
Fl_Slider* s = new Fl_Slider(0, 30, 160, 15, "scale");
s->type(1);
@@ -158,7 +164,15 @@ int main(int argc, char** argv) {
a->bounds(-3.14, 3.14);
a->slider(FL_UP_BOX);
a->callback((Fl_Callback*)angle_cb);
- Fl_Slider* r = new Fl_Slider(320, 30, 160, 15, "height-dist");
+ Fl_Slider* n = new Fl_Slider(320, 30, 160, 15, "nick");
+ n->type(1);
+ n->box(FL_THIN_DOWN_BOX);
+ n->labelsize(10);
+ n->step(0.00001);
+ n->bounds(-0.5, 0.5);
+ n->slider(FL_UP_BOX);
+ n->callback((Fl_Callback*)nick_cb);
+ Fl_Slider* r = new Fl_Slider(480, 30, 160, 15, "height-dist");
r->type(1);
r->box(FL_THIN_DOWN_BOX);
r->labelsize(10);
generated by cgit v1.2.3 (git 2.39.1) at 2025-10-31 06:19:59 +0000