#define FOV_DIST 2000.0
#define MPPX(dist) (4*dist/FOV_DIST)
+// #define ROAM_DEBUG
/*************
* ROAM Code *
{
GisOpenGL *self = _self;
+ gdouble lat, lon, elev;
+ xyz2lle(point->x, point->y, point->z, &lat, &lon, &elev);
+
+#ifdef ROAM_DEBUG
+ lle2xyz(lat, lon, 0, &point->x, &point->y, &point->z);
+ return;
+#endif
+
gdouble cam_lle[3], cam_xyz[3];
gis_view_get_location(self->view, &cam_lle[0], &cam_lle[1], &cam_lle[2]);
lle2xyz(cam_lle[0], cam_lle[1], cam_lle[2], &cam_xyz[0], &cam_xyz[1], &cam_xyz[2]);
- gdouble lat, lon, elev;
- xyz2lle(point->x, point->y, point->z, &lat, &lon, &elev);
-
gdouble res = MPPX(distd(cam_xyz, (double*)point));
//g_message("lat=%f, lon=%f, res=%f", lat, lon, res);
- WmsCacheNode *node = wms_info_fetch_cache(self->srtm, res, lat, lon, NULL, roam_queue_draw, self);
+ point->node = wms_info_fetch_cache(self->srtm, point->node,
+ res, lat, lon, NULL, roam_queue_draw, self);
- if (node) {
- WmsBil *bil = node->data;
+ if (point->node) {
+ WmsBil *bil = point->node->data;
gint w = bil->width;
gint h = bil->height;
- gdouble xmin = node->latlon[0];
- gdouble ymin = node->latlon[1];
- gdouble xmax = node->latlon[2];
- gdouble ymax = node->latlon[3];
+ gdouble xmin = point->node->latlon[0];
+ gdouble ymin = point->node->latlon[1];
+ gdouble xmax = point->node->latlon[2];
+ gdouble ymax = point->node->latlon[3];
gdouble xdist = xmax - xmin;
gdouble ydist = ymax - ymin;
void roam_tri_func(RoamTriangle *tri, gpointer _self)
{
+#ifdef ROAM_DEBUG
+ glBegin(GL_TRIANGLES);
+ glNormal3dv(tri->p.r->norm); glVertex3dv((double*)tri->p.r);
+ glNormal3dv(tri->p.m->norm); glVertex3dv((double*)tri->p.m);
+ glNormal3dv(tri->p.l->norm); glVertex3dv((double*)tri->p.l);
+ glEnd();
+ return;
+#endif
+
GisOpenGL *self = _self;
if (tri->error < 0) return;
xyz2lle(tri->p.l->x, tri->p.l->y, tri->p.l->z, &lat[2], &lon[2], &elev[2]);
gdouble lat_max = MAX(MAX(lat[0], lat[1]), lat[2]);
gdouble lat_min = MIN(MIN(lat[0], lat[1]), lat[2]);
+ gdouble lat_avg = (lat_min+lat_max)/2;
gdouble lon_max = MAX(MAX(lon[0], lon[1]), lon[2]);
gdouble lon_min = MIN(MIN(lon[0], lon[1]), lon[2]);
+ gdouble lon_avg = (lon_min+lon_max)/2;
/* Get target resolution */
gdouble cam_lle[3], cam_xyz[3];
* - Also fetch center textures that aren't touched by a corner
* - Idea: send {lat,lon}{min,max} to fetch_cache and handle it in the recursion */
/* Fetch textures */
- WmsCacheNode *textures[4] = {
- wms_info_fetch_cache(self->bmng, res, lat_min, lon_min, NULL, roam_queue_draw, self),
- wms_info_fetch_cache(self->bmng, res, lat_max, lon_min, NULL, roam_queue_draw, self),
- wms_info_fetch_cache(self->bmng, res, lat_min, lon_max, NULL, roam_queue_draw, self),
- wms_info_fetch_cache(self->bmng, res, lat_max, lon_max, NULL, roam_queue_draw, self),
- };
+ tri->nodes[0] = wms_info_fetch_cache(self->bmng, tri->nodes[0], res, lat_min, lon_min, NULL, roam_queue_draw, self);
+ tri->nodes[1] = wms_info_fetch_cache(self->bmng, tri->nodes[1], res, lat_max, lon_min, NULL, roam_queue_draw, self);
+ tri->nodes[2] = wms_info_fetch_cache(self->bmng, tri->nodes[2], res, lat_min, lon_max, NULL, roam_queue_draw, self);
+ tri->nodes[3] = wms_info_fetch_cache(self->bmng, tri->nodes[3], res, lat_max, lon_max, NULL, roam_queue_draw, self);
+ tri->nodes[4] = wms_info_fetch_cache(self->bmng, tri->nodes[4], res, lat_avg, lon_avg, NULL, roam_queue_draw, self);
+ /* Hopefully get all textures at the same resolution to prevent overlaps */
+ //gdouble maxres = 0;
+ //for (int i = 0; i < 5; i++)
+ // if (tri->nodes[i] && tri->nodes[i]->res > maxres)
+ // maxres = tri->nodes[i]->res;
+ //if (maxres != 0) {
+ // tri->nodes[0] = wms_info_fetch_cache(self->bmng, tri->nodes[0], maxres, lat_min, lon_min, NULL, roam_queue_draw, self);
+ // tri->nodes[1] = wms_info_fetch_cache(self->bmng, tri->nodes[1], maxres, lat_max, lon_min, NULL, roam_queue_draw, self);
+ // tri->nodes[2] = wms_info_fetch_cache(self->bmng, tri->nodes[2], maxres, lat_min, lon_max, NULL, roam_queue_draw, self);
+ // tri->nodes[3] = wms_info_fetch_cache(self->bmng, tri->nodes[3], maxres, lat_max, lon_max, NULL, roam_queue_draw, self);
+ // tri->nodes[4] = wms_info_fetch_cache(self->bmng, tri->nodes[4], maxres, lat_avg, lon_avg, NULL, roam_queue_draw, self);
+ //}
/* Vertex color for hieght map viewing, 8848m == Everest */
gfloat colors[] = {
/* TODO: Prevent double exposure when of hi-res textures on top of
* low-res textures when some high-res textures are not yet loaded. */
glBlendFunc(GL_ONE, GL_ZERO);
- for (int i = 0; i < 4; i++) {
+ for (int i = 0; i < 5; i++) {
/* Skip missing textures */
- if (textures[i] == NULL)
+ if (tri->nodes[i] == NULL)
continue;
/* Skip already drawn textures */
switch (i) {
- case 3: if (textures[i] == textures[2]) continue;
- case 2: if (textures[i] == textures[1]) continue;
- case 1: if (textures[i] == textures[0]) continue;
+ case 4: if (tri->nodes[i] == tri->nodes[3]) continue;
+ case 3: if (tri->nodes[i] == tri->nodes[2]) continue;
+ case 2: if (tri->nodes[i] == tri->nodes[1]) continue;
+ case 1: if (tri->nodes[i] == tri->nodes[0]) continue;
}
- WmsCacheNode *node = textures[i];
+ WmsCacheNode *node = tri->nodes[i];
if (node->latlon[0] == -180) {
if (lon[0] < -90 || lon[1] < -90 || lon[2] < -90) {
/* Lighting */
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
+#ifdef ROAM_DEBUG
+ float light_ambient[] = {0.7f, 0.7f, 0.7f, 1.0f};
+ float light_diffuse[] = {2.0f, 2.0f, 2.0f, 1.0f};
+#else
float light_ambient[] = {0.2f, 0.2f, 0.2f, 1.0f};
float light_diffuse[] = {5.0f, 5.0f, 5.0f, 1.0f};
+#endif
float light_position[] = {-13*EARTH_R, 1*EARTH_R, 3*EARTH_R, 1.0f};
glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
+#ifndef ROAM_DEBUG
glCullFace(GL_BACK);
glEnable(GL_CULL_FACE);
+#endif
glClearDepth(1.0);
glDepthFunc(GL_LEQUAL);
double ang = atan(height/FOV_DIST);
gluPerspective(rad2deg(ang)*2, width/height, 1, 20*EARTH_R);
- if (self->sphere)
- roam_sphere_update_errors(self->sphere);
+#ifndef ROAM_DEBUG
+ roam_sphere_update(self->sphere);
+#endif
gis_opengl_end(self);
return FALSE;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+#ifndef ROAM_DEBUG
set_visuals(self);
glEnable(GL_TEXTURE_2D);
roam_sphere_draw(self->sphere);
+#endif
+
+#ifdef ROAM_DEBUG
+ set_visuals(self);
+ glColor4f(0.0, 0.0, 9.0, 0.6);
+ glDisable(GL_TEXTURE_2D);
+ glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+ roam_sphere_draw(self->sphere);
+#endif
//glDisable(GL_TEXTURE_2D);
//glEnable(GL_COLOR_MATERIAL);
//glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
//roam_sphere_draw(self->sphere);
- //glColor4f(0.0, 0.0, 9.0, 0.6);
- //glDisable(GL_TEXTURE_2D);
- //glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
- //roam_sphere_draw(self->sphere);
-
gis_plugins_foreach(self->plugins, G_CALLBACK(on_expose_plugin), self);
set_visuals(self);
else if (kv == GDK_Right || kv == GDK_l) gis_view_pan(self->view, 0, pan, 0);
else if (kv == GDK_minus || kv == GDK_o) gis_view_zoom(self->view, 10./9);
else if (kv == GDK_plus || kv == GDK_i) gis_view_zoom(self->view, 9./10);
- else if (kv == GDK_H ) gis_view_rotate(self->view, 0, 0, -10);
- else if (kv == GDK_J ) gis_view_rotate(self->view, 10, 0, 0);
- else if (kv == GDK_K ) gis_view_rotate(self->view, -10, 0, 0);
- else if (kv == GDK_L ) gis_view_rotate(self->view, 0, 0, 10);
+ else if (kv == GDK_H) gis_view_rotate(self->view, 0, 0, -10);
+ else if (kv == GDK_J) gis_view_rotate(self->view, 10, 0, 0);
+ else if (kv == GDK_K) gis_view_rotate(self->view, -10, 0, 0);
+ else if (kv == GDK_L) gis_view_rotate(self->view, 0, 0, 10);
+
+ /* Testing */
+#ifdef ROAM_DEBUG
+ else if (kv == GDK_n) roam_sphere_split_one(self->sphere);
+ else if (kv == GDK_p) roam_sphere_merge_one(self->sphere);
+ else if (kv == GDK_r) roam_sphere_split_merge(self->sphere);
+ else if (kv == GDK_u) roam_sphere_update(self->sphere);
+ gtk_widget_queue_draw(GTK_WIDGET(self));
+#endif
+
return TRUE;
}
{
gis_opengl_begin(self);
set_visuals(self);
- roam_sphere_update_errors(self->sphere);
+#ifndef ROAM_DEBUG
+ roam_sphere_update(self->sphere);
+#endif
gis_opengl_redraw(self);
gis_opengl_end(self);
}
GDK_KEY_PRESS_MASK);
g_object_set(self, "can-focus", TRUE, NULL);
+#ifndef ROAM_DEBUG
self->sm_source = g_timeout_add(10, (GSourceFunc)on_idle, self);
+#endif
g_signal_connect(self, "realize", G_CALLBACK(on_realize), NULL);
g_signal_connect(self, "configure-event", G_CALLBACK(on_configure), NULL);