AM_CPPFLAGS = $(GTK_CFLAGS) -I/usr/local/trmm/GVBOX/include/
-AM_CFLAGS = -Wall -Werror --std=gnu99
+AM_CFLAGS = -O3 -Wall -Werror --std=gnu99
bin_PROGRAMS = aweather
-aweather_SOURCES = aweather.c opengl.c cube.c radar.c
+aweather_SOURCES = aweather.c opengl.c radar.c ridge.c example.c
aweather_LDADD = $(GTK_LIBS) -L/usr/local/trmm/GVBOX/lib/ -lrsl
test: all
#include "opengl.h"
#include "radar.h"
-#include "cube.h"
+#include "ridge.h"
+#include "example.h"
static void destroy(GtkWidget *widget, gpointer data)
{
//gtk_notebook_append_page(GTK_NOTEBOOK(tab_area), contents, label);
/* Load plugins */
- opengl_init(GTK_DRAWING_AREA(drawing), GTK_NOTEBOOK(tab_area));
- radar_init (GTK_DRAWING_AREA(drawing), GTK_NOTEBOOK(tab_area));
- cube_init (GTK_DRAWING_AREA(drawing), GTK_NOTEBOOK(tab_area));
+ opengl_init (GTK_DRAWING_AREA(drawing), GTK_NOTEBOOK(tab_area));
+ ridge_init (GTK_DRAWING_AREA(drawing), GTK_NOTEBOOK(tab_area));
+ radar_init (GTK_DRAWING_AREA(drawing), GTK_NOTEBOOK(tab_area));
+ example_init(GTK_DRAWING_AREA(drawing), GTK_NOTEBOOK(tab_area));
gtk_widget_show_all(window);
gtk_main();
+++ /dev/null
-#include <config.h>
-#include <gtk/gtk.h>
-#include <gtk/gtkgl.h>
-#include <gdk/gdkkeysyms.h>
-#include <GL/gl.h>
-#include <math.h>
-
-static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data);
-static gboolean rotate(gpointer user_data);
-
-static GtkWidget *rotate_button;
-
-float boxv[][3] = {
- { -0.5, -0.5, -0.5 },
- { 0.5, -0.5, -0.5 },
- { 0.5, 0.5, -0.5 },
- { -0.5, 0.5, -0.5 },
- { -0.5, -0.5, 0.5 },
- { 0.5, -0.5, 0.5 },
- { 0.5, 0.5, 0.5 },
- { -0.5, 0.5, 0.5 }
-};
-#define ALPHA 0.5
-
-static float ang = 30.;
-
-static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
-{
- //GdkGLContext *glcontext = gtk_widget_get_gl_context (da);
- //GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable (da);
-
- /* draw in here */
- glPushMatrix();
-
- glRotatef (ang, 1, 0, 1);
-
- glShadeModel(GL_FLAT);
-
- glBegin (GL_LINES);
- glColor3f (1., 0., 0.);
- glVertex3f (0., 0., 0.);
- glVertex3f (1., 0., 0.);
- glEnd ();
-
- glBegin (GL_LINES);
- glColor3f (0., 1., 0.);
- glVertex3f (0., 0., 0.);
- glVertex3f (0., 1., 0.);
- glEnd ();
-
- glBegin (GL_LINES);
- glColor3f (0., 0., 1.);
- glVertex3f (0., 0., 0.);
- glVertex3f (0., 0., 1.);
- glEnd ();
-
- glBegin(GL_LINES);
- glColor3f (1., 1., 1.);
- glVertex3fv(boxv[0]);
- glVertex3fv(boxv[1]);
-
- glVertex3fv(boxv[1]);
- glVertex3fv(boxv[2]);
-
- glVertex3fv(boxv[2]);
- glVertex3fv(boxv[3]);
-
- glVertex3fv(boxv[3]);
- glVertex3fv(boxv[0]);
-
- glVertex3fv(boxv[4]);
- glVertex3fv(boxv[5]);
-
- glVertex3fv(boxv[5]);
- glVertex3fv(boxv[6]);
-
- glVertex3fv(boxv[6]);
- glVertex3fv(boxv[7]);
-
- glVertex3fv(boxv[7]);
- glVertex3fv(boxv[4]);
-
- glVertex3fv(boxv[0]);
- glVertex3fv(boxv[4]);
-
- glVertex3fv(boxv[1]);
- glVertex3fv(boxv[5]);
-
- glVertex3fv(boxv[2]);
- glVertex3fv(boxv[6]);
-
- glVertex3fv(boxv[3]);
- glVertex3fv(boxv[7]);
- glEnd();
-
- glPopMatrix ();
-
- return FALSE;
-}
-
-static gboolean rotate(gpointer user_data)
-{
- if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(rotate_button)))
- return TRUE;
-
- GtkWidget *da = GTK_WIDGET (user_data);
-
- ang++;
-
- gdk_window_invalidate_rect(da->window, &da->allocation, FALSE);
- gdk_window_process_updates(da->window, FALSE);
-
- return TRUE;
-}
-
-gboolean cube_init(GtkDrawingArea *drawing, GtkNotebook *config)
-{
- /* Add configuration tab */
- GtkWidget *label = gtk_label_new("Cube");
- rotate_button = gtk_toggle_button_new_with_label("Rotate");
- gtk_notebook_append_page(GTK_NOTEBOOK(config), rotate_button, label);
-
- /* Set up OpenGL Stuff */
- g_signal_connect(drawing, "expose-event", G_CALLBACK(expose), NULL);
- g_timeout_add(1000/60, rotate, drawing);
- return TRUE;
-}
+++ /dev/null
-#ifndef CUBE_H
-#define CUBE_H
-
-gboolean cube_init(GtkDrawingArea *drawing, GtkNotebook *config);
-
-#endif
--- /dev/null
+#include <config.h>
+#include <gtk/gtk.h>
+#include <gtk/gtkgl.h>
+#include <gdk/gdkkeysyms.h>
+#include <GL/gl.h>
+#include <math.h>
+
+static GtkWidget *rotate_button;
+
+static float ang = 30.;
+
+static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
+{
+ glPushMatrix();
+ glLoadIdentity();
+ glTranslatef(0.5, -0.5, 0);
+
+ float light_ambient[] = {0.1f, 0.1f, 0.0f};
+ float light_diffuse[] = {0.9f, 0.9f, 0.9f};
+ float light_position[] = {-20.0f, 40.0f, -40.0f, 1.0f};
+ glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+ glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_COLOR_MATERIAL);
+ glEnable(GL_DEPTH_TEST);
+
+ glRotatef(ang, 1, 0, 1);
+ glColor3f(0.9, 0.9, 0.7);
+ gdk_gl_draw_teapot(TRUE, 0.25);
+ glColor3f(1.0, 1.0, 1.0);
+
+ glDisable(GL_LIGHT0);
+ glDisable(GL_LIGHTING);
+ glDisable(GL_COLOR_MATERIAL);
+ glDisable(GL_DEPTH_TEST);
+
+ glPopMatrix();
+ return FALSE;
+}
+
+static gboolean rotate(gpointer user_data)
+{
+ if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(rotate_button)))
+ return TRUE;
+
+ GtkWidget *da = GTK_WIDGET (user_data);
+
+ ang++;
+
+ gdk_window_invalidate_rect(da->window, &da->allocation, FALSE);
+ gdk_window_process_updates(da->window, FALSE);
+
+ return TRUE;
+}
+
+gboolean example_init(GtkDrawingArea *drawing, GtkNotebook *config)
+{
+ /* Add configuration tab */
+ GtkWidget *label = gtk_label_new("example");
+ rotate_button = gtk_toggle_button_new_with_label("Rotate");
+ gtk_notebook_append_page(GTK_NOTEBOOK(config), rotate_button, label);
+
+ /* Set up OpenGL Stuff */
+ g_signal_connect(drawing, "expose-event", G_CALLBACK(expose), NULL);
+ g_timeout_add(1000/60, rotate, drawing);
+ return TRUE;
+}
--- /dev/null
+#ifndef EXAMPLE_H
+#define EXAMPLE_H
+
+gboolean example_init(GtkDrawingArea *drawing, GtkNotebook *config);
+
+#endif
return FALSE;
}
-static gboolean configure(GtkWidget *da, GdkEventConfigure *event, gpointer user_data)
+static gboolean configure_start(GtkWidget *da, GdkEventConfigure *event, gpointer user_data)
{
- GdkGLContext *glcontext = gtk_widget_get_gl_context(da);
+ GdkGLContext *glcontext = gtk_widget_get_gl_context(da);
GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(da);
if (!gdk_gl_drawable_gl_begin(gldrawable, glcontext))
glLoadIdentity();
glViewport(0, 0, da->allocation.width, da->allocation.height);
- glOrtho(-10,10,-10,10,-20050,10000);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ //glEnable(GL_ALPHA_TEST);
+ //glAlphaFunc(GL_EQUAL, 0);
+ double scale = 500*1000; // 500 km
+ glOrtho(-scale,scale,-scale,scale,0,10000);
- glScalef(10., 10., 10.);
-
+ return FALSE;
+}
+static gboolean configure_end(GtkWidget *da, GdkEventConfigure *event, gpointer user_data)
+{
+ GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(da);
gdk_gl_drawable_gl_end(gldrawable);
-
return FALSE;
}
gboolean opengl_init(GtkDrawingArea *drawing, GtkNotebook *config)
{
/* Set up OpenGL Stuff */
- g_signal_connect(drawing, "configure-event", G_CALLBACK(configure), NULL);
-
- //g_signal_connect(drawing, "expose-event", G_CALLBACK(expose), NULL);
- g_signal_connect (drawing, "expose-event", G_CALLBACK(expose_start), NULL);
- g_signal_connect_after(drawing, "expose-event", G_CALLBACK(expose_end), NULL);
+ g_signal_connect (drawing, "configure-event", G_CALLBACK(configure_start), NULL);
+ g_signal_connect_after(drawing, "configure-event", G_CALLBACK(configure_end), NULL);
+ g_signal_connect (drawing, "expose-event", G_CALLBACK(expose_start), NULL);
+ g_signal_connect_after(drawing, "expose-event", G_CALLBACK(expose_end), NULL);
return TRUE;
}
#include "radar.h"
GtkWidget *drawing;
-static Sweep *cur_sweep; // make this not global
+static Sweep *cur_sweep = NULL; // make this not global
static int nred, ngreen, nblue;
static char red[256], green[256], blue[256];
+static guint sweep_tex = 0;
+
+static guint8 get_alpha(guint8 db)
+{
+ if (db == BADVAL) return 0;
+ if (db == RFVAL ) return 0;
+ if (db == APFLAG) return 0;
+ if (db == NOECHO) return 0;
+ if (db == 0 ) return 0;
+ //if (db > 60) return 0;
+ //else if (db < 10) return 0;
+ //else if (db < 25) return (db-10)*(255.0/15);
+ else return 255;
+}
+
+//#ifdef USE_TWO_BYTE_PRECISION
+//#define F_FACTOR 100.0
+//#define F_DR_FACTOR 1000.0
+//#define F_DZ_RANGE_OFFSET 50
+//#else
+//#define F_FACTOR 2.0
+//#define F_DR_FACTOR 10.0
+//#define F_DZ_RANGE_OFFSET 32
+//#endif
+//#define F_OFFSET 4
+//static float dz_f(Range x)
+//{
+// if (x >= F_OFFSET)
+// return (((float)x-F_OFFSET)/F_FACTOR - F_DZ_RANGE_OFFSET);
+// if (x == 0) return BADVAL;
+// if (x == 1) return RFVAL;
+// if (x == 2) return APFLAG;
+// if (x == 3) return NOECHO;
+// return BADVAL;
+//}
/* Convert a sweep to an 2d array of data points */
static void bscan_sweep(Sweep *sweep, guint8 **data, int *width, int *height)
max_bins = MAX(max_bins, sweep->ray[i]->h.nbins);
/* Allocate buffer using max number of bins for each ray */
- guint8 *buf = g_malloc0(sweep->h.nrays * max_bins * 3);
+ guint8 *buf = g_malloc0(sweep->h.nrays * max_bins * 4);
/* Fill the data */
int ri, bi;
for (ri = 0; ri < sweep->h.nrays; ri++) {
- Ray *ray = sweep->ray[ri];
+ Ray *ray = sweep->ray[ri];
for (bi = 0; bi < ray->h.nbins; bi++) {
- Range bin = ray->range[bi];
- /* copy RGB into buffer */
- buf[(ri*max_bins+bi)*3+0] = red[(gint8)ray->h.f(bin)];
- buf[(ri*max_bins+bi)*3+1] = green[(gint8)ray->h.f(bin)];
- buf[(ri*max_bins+bi)*3+2] = blue[(gint8)ray->h.f(bin)];
+ /* copy RGBA into buffer */
+ //guint val = dz_f(ray->range[bi]);
+ guint val = ray->h.f(ray->range[bi]);
+ guint buf_i = (ri*max_bins+bi)*4;
+ buf[buf_i+0] = red[val];
+ buf[buf_i+1] = green[val];
+ buf[buf_i+2] = blue[val];
+ buf[buf_i+3] = get_alpha(val);
}
}
*width = max_bins;
*height = sweep->h.nrays;
*data = buf;
-
- /* debug */
- //static int fi = 0;
- //char fname[128];
- //sprintf(fname, "image-%d.ppm", fi);
- //FILE *fp = fopen(fname, "w+");
- //fprintf(fp, "P6\n");
- //fprintf(fp, "# Foo\n");
- //fprintf(fp, "%d %d\n", *width, *height);
- //fprintf(fp, "255\n");
- //fwrite(buf, 3, *width * *height, fp);
- //fclose(fp);
- //fi++;
}
/* Load a sweep as the active texture */
int height, width;
guint8 *data;
bscan_sweep(sweep, &data, &width, &height);
+ glGenTextures(1, &sweep_tex);
+ glBindTexture(GL_TEXTURE_2D, sweep_tex);
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
g_free(data);
- glEnable(GL_TEXTURE_2D);
gdk_window_invalidate_rect(drawing->window, &drawing->allocation, FALSE);
}
/* Load the default sweep */
static gboolean configure(GtkWidget *da, GdkEventConfigure *event, gpointer user_data)
{
- GdkGLContext *glcontext = gtk_widget_get_gl_context(da);
- GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(da);
-
- if (!gdk_gl_drawable_gl_begin(gldrawable, glcontext))
- g_assert_not_reached();
-
- /* Load the texture */
- load_sweep(cur_sweep);
-
- gdk_gl_drawable_gl_end(gldrawable);
-
+ Sweep *first = (Sweep*)user_data;
+ if (cur_sweep == NULL)
+ load_sweep(first);
return FALSE;
}
static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
{
+ //g_message("radar:expose");
Sweep *sweep = cur_sweep;
- //GdkGLContext *glcontext = gtk_widget_get_gl_context(da);
- //GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(da);
-
- /* draw in here */
- glPushMatrix();
- glRotatef(0, 0, 0, 0);
-
/* Draw the rays */
+ glBindTexture(GL_TEXTURE_2D, sweep_tex);
glEnable(GL_TEXTURE_2D);
+
glBegin(GL_QUAD_STRIP);
int _ri; // not really used, creates strange fragments..
for (_ri = 0; _ri < sweep->h.nrays; _ri++) {
double lx = sin(left);
double ly = cos(left);
- /* TODO: change this to meters instead of 0..1 */
- double max_dist = ray->h.nbins*ray->h.gate_size + ray->h.range_bin1;
- double near_dist = (double)(ray->h.range_bin1) / max_dist;
- double far_dist = (double)(ray->h.nbins*ray->h.gate_size + ray->h.range_bin1) / max_dist;
+ double near_dist = ray->h.range_bin1;
+ double far_dist = ray->h.nbins*ray->h.gate_size + ray->h.range_bin1;
/* (find middle of bin) / scale for opengl */
- glTexCoord2d(0.0, ((double)ri)/sweep->h.nrays); glVertex3f(lx*near_dist, ly*near_dist, 0.); // near left
- glTexCoord2d(0.7, ((double)ri)/sweep->h.nrays); glVertex3f(lx*far_dist, ly*far_dist, 0.); // far left
+ // near left
+ glTexCoord2f(0.0, (double)ri/sweep->h.nrays);
+ glVertex3f(lx*near_dist, ly*near_dist, 0.0);
+
+ // far left
+ glTexCoord2f(1.0, (double)ri/sweep->h.nrays);
+ glVertex3f(lx*far_dist, ly*far_dist, 0.0);
}
//g_print("ri=%d, nr=%d, bw=%f\n", _ri, sweep->h.nrays, sweep->h.beam_width);
glEnd();
+
/* Texture debug */
//glBegin(GL_QUADS);
//glTexCoord2d( 0., 0.); glVertex3f(-1., 0., 0.); // bot left
//glTexCoord2d( 1., 1.); glVertex3f( 0., 1., 0.); // top right
//glTexCoord2d( 1., 0.); glVertex3f( 0., 0., 0.); // bot right
//glEnd();
- glDisable(GL_TEXTURE_2D);
/* Print the color table */
+ glDisable(GL_TEXTURE_2D);
+ glPushMatrix();
+ glLoadIdentity();
glBegin(GL_QUADS);
int i;
for (i = 0; i < nred; i++) {
- glColor3ub(red[i], green[i], blue[i]);
+ glColor4ub(red[i], green[i], blue[i], get_alpha(i));
glVertex3f(-1., (float)((i ) - nred/2)/(nred/2), 0.); // bot left
glVertex3f(-1., (float)((i+1) - nred/2)/(nred/2), 0.); // top left
glVertex3f(-.9, (float)((i+1) - nred/2)/(nred/2), 0.); // top right
glVertex3f(-.9, (float)((i ) - nred/2)/(nred/2), 0.); // bot right
}
glEnd();
-
glPopMatrix();
return FALSE;
gboolean radar_init(GtkDrawingArea *_drawing, GtkNotebook *config)
{
drawing = GTK_WIDGET(_drawing);
- /* Set up OpenGL Stuff */
- g_signal_connect(drawing, "expose-event", G_CALLBACK(expose), NULL);
- g_signal_connect(drawing, "configure-event", G_CALLBACK(configure), NULL);
/* Parse hard coded file.. */
RSL_read_these_sweeps("all", NULL);
//RSL_read_these_sweeps("all", NULL);
- Radar *radar = RSL_wsr88d_to_radar("/scratch/aweather/data/KNQA_20090501_1925.raw", "KNQA");
+ Radar *radar = RSL_wsr88d_to_radar("/scratch/aweather/data/level2/KNQA_20090501_1925.raw", "KNQA");
RSL_load_refl_color_table();
RSL_get_color_table(RSL_RED_TABLE, red, &nred);
RSL_get_color_table(RSL_GREEN_TABLE, green, &ngreen);
RSL_get_color_table(RSL_BLUE_TABLE, blue, &nblue);
if (radar->h.nvolumes < 1 || radar->v[0]->h.nsweeps < 1)
g_print("No sweeps found\n");
- cur_sweep = radar->v[0]->sweep[6];
/* Add configuration tab */
GtkWidget *hbox = gtk_hbox_new(TRUE, 0);
}
GtkWidget *label = gtk_label_new("Radar");
gtk_notebook_append_page(GTK_NOTEBOOK(config), hbox, label);
+
+ /* Set up OpenGL Stuff */
+ g_signal_connect(drawing, "expose-event", G_CALLBACK(expose), NULL);
+ g_signal_connect(drawing, "configure-event", G_CALLBACK(configure), radar->v[0]->sweep[0]);
+
return TRUE;
}
--- /dev/null
+#include <config.h>
+#include <gtk/gtk.h>
+#include <gtk/gtkgl.h>
+#include <gdk/gdkkeysyms.h>
+#include <GL/gl.h>
+#include <math.h>
+
+static guint topo_tex;
+
+guint load_texture(char *filename)
+{
+ /* Load image */
+ GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, NULL);
+ guchar *pixels = gdk_pixbuf_get_pixels(pixbuf);
+ int width = gdk_pixbuf_get_width(pixbuf);
+ int height = gdk_pixbuf_get_height(pixbuf);
+
+ /* Create Texture */
+ guint id;
+ glGenTextures(1, &id);
+ glBindTexture(GL_TEXTURE_2D, id); // 2d texture (x and y size)
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glTexImage2D(GL_TEXTURE_2D, 0, 3, width, height, 0,
+ GL_RGB, GL_UNSIGNED_BYTE, pixels);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+
+ g_message("loaded %s: w=%d h=%d", filename, width, height);
+ return id;
+}
+
+static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
+{
+ //g_message("ridge:expose");
+ glPushMatrix();
+ glScaled(500*1000, 500*1000, 0);
+
+ glBindTexture(GL_TEXTURE_2D, topo_tex);
+ glEnable(GL_TEXTURE_2D);
+
+ glBegin(GL_POLYGON);
+ glTexCoord2f(0.0, 0.0); glVertex3f(-1.0, 1.0, 0.1);
+ glTexCoord2f(0.0, 1.0); glVertex3f(-1.0, -1.0, 0.1);
+ glTexCoord2f(1.0, 1.0); glVertex3f( 1.0, -1.0, 0.1);
+ glTexCoord2f(1.0, 0.0); glVertex3f( 1.0, 1.0, 0.1);
+ glEnd();
+
+ glPopMatrix();
+ return FALSE;
+}
+
+static gboolean configure(GtkWidget *da, GdkEventConfigure *event, gpointer user_data)
+{
+ topo_tex = load_texture("../data/topo.jpg");
+ return FALSE;
+}
+
+gboolean ridge_init(GtkDrawingArea *drawing, GtkNotebook *config)
+{
+ /* Set up OpenGL Stuff */
+ g_signal_connect(drawing, "expose-event", G_CALLBACK(expose), NULL);
+ g_signal_connect(drawing, "configure-event", G_CALLBACK(configure), NULL);
+ return TRUE;
+}
--- /dev/null
+#ifndef RIDGE_H
+#define RIDGE_H
+
+gboolean ridge_init(GtkDrawingArea *drawing, GtkNotebook *config);
+
+#endif