#include "od_gauge.hxx"
#include "wxradar.hxx"
+#include <iostream> // for cout, endl
+using std::cout;
+using std::endl;
static const float UNIT = 1.0f / 8.0f; // 8 symbols in a row/column in the texture
static const char *DEFAULT_FONT = "typewriter.txf";
wxRadarBg::wxRadarBg(SGPropertyNode *node) :
_name(node->getStringValue("name", "radar")),
_num(node->getIntValue("number", 0)),
- _interval(node->getDoubleValue("update-interval-sec", 1.0)),
_time(0.0),
+ _interval(node->getDoubleValue("update-interval-sec", 1.0)),
_sim_init_done(false),
_odg(0),
_last_switchKnob("off"),
+ _antenna_ht(node->getDoubleValue("antenna-ht-ft", 0.0)),
_resultTexture(0),
_wxEcho(0)
{
// texture name to use in 2D and 3D instruments
_texture_path = _Instrument->getStringValue("radar-texture-path",
- "Aircraft/Instruments/Textures/od_wxradar.rgb");
+ "Aircraft/Instruments/Textures/od_wxradar.rgb");
_resultTexture = FGTextureManager::createTexture(_texture_path.c_str(), false);
SGPath tpath(globals->get_fg_root());
string path = _Instrument->getStringValue("echo-texture-path",
- "Aircraft/Instruments/Textures/wxecho.rgb");
+ "Aircraft/Instruments/Textures/wxecho.rgb");
tpath.append(path);
// no mipmap or else alpha will mix with pixels on the border of shapes, ruining the effect
pset->setDataVariance(osg::Object::DYNAMIC);
_geom->addPrimitiveSet(pset);
_geom->setInitialBound(osg::BoundingBox(osg::Vec3f(-256.0f, -256.0f, 0.0f),
- osg::Vec3f(256.0f, 256.0f, 0.0f)));
+ osg::Vec3f(256.0f, 256.0f, 0.0f)));
_radarGeode->addDrawable(_geom);
_odg->allocRT();
// Texture in the 2D panel system
return;
}
_time += delta_time_sec;
- if (_time < _interval)
+ if (_time < _interval){
+// cout << "WXradar update too soon " << _time << endl;
return;
+ }
+// cout << "WXradar updating" << _time<< endl;
_time = 0.0;
center_map();
}
} else if (mode == "plan") {
- _display_mode = PLAN;
+ _display_mode = PLAN;}
+ else if (mode == "bscan") {
+ _display_mode = BSCAN;
} else {
_display_mode = ARC;
}
if (_radar_rotate_node->getBoolValue()) {
_angle_offset = -_view_heading;
}
+ } else if (_display_mode == BSCAN) {
+ _angle_offset = -_view_heading;
} else {
// rose
}
osg::DrawArrays *quadPSet
- = static_cast<osg::DrawArrays*>(_geom->getPrimitiveSet(0));
+ = static_cast<osg::DrawArrays*>(_geom->getPrimitiveSet(0));
quadPSet->set(osg::PrimitiveSet::QUADS, 0, _vertices->size());
quadPSet->dirty();
// erase what is out of sight of antenna
/*
- |\ /|
- | \ / |
- | \ / |
- ---------
- | |
- | |
- ---------
+ |\ /|
+ | \ / |
+ | \ / |
+ ---------
+ | |
+ | |
+ ---------
*/
osg::DrawArrays *maskPSet
- = static_cast<osg::DrawArrays*>(_geom->getPrimitiveSet(1));
+ = static_cast<osg::DrawArrays*>(_geom->getPrimitiveSet(1));
osg::DrawArrays *trimaskPSet
- = static_cast<osg::DrawArrays*>(_geom->getPrimitiveSet(2));
+ = static_cast<osg::DrawArrays*>(_geom->getPrimitiveSet(2));
if (_display_mode == ARC) {
float xOffset = 256.0f;
void
wxRadarBg::update_weather()
{
- string modeButton = _Instrument->getStringValue("mode", "wx");
+ string modeButton = _Instrument->getStringValue("mode", "WX");
_radarEchoBuffer = *sgEnviro.get_radar_echo();
// pretend we have a scan angle bigger then the FOV
continue;
float angle = (iradarEcho->heading - _angle_offset) //* fovFactor
- + 0.5 * SG_PI;
+ + 0.5 * SG_PI;
// Rotate echo into position, and rotate echo to have
// a constant orientation towards the
const osg::Vec2f texBase(col, (UNIT * (float) (4 + (cloudId & 3))));
osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
- * osg::Matrixf::translate(0.0f, radius, 0.0f)
- * wxRotate(angle) * _centerTrans);
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(angle) * _centerTrans);
addQuad(_vertices, _texCoords, m, texBase);
//SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: drawing clouds"
float size = UNIT * 0.5f;
float radius = iradarEcho->dist * _scale;
float angle = iradarEcho->heading * SG_DEGREES_TO_RADIANS
- - _angle_offset;
+ - _angle_offset;
osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
- * wxRotate(-angle)
- * osg::Matrixf::translate(0.0f, radius, 0.0f)
- * wxRotate(angle) * _centerTrans);
+ * wxRotate(-angle)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(angle) * _centerTrans);
addQuad(_vertices, _texCoords, m, texBase);
}
}
void
wxRadarBg::update_data(const SGPropertyNode *ac, double altitude, double heading,
- double radius, double bearing, bool selected)
+ double radius, double bearing, bool selected)
{
osgText::Text *callsign = new osgText::Text;
callsign->setFont(_font.get());
callsign->setCharacterSize(_font_size);
callsign->setColor(selected ? osg::Vec4(1, 1, 1, 1) : _font_color);
osg::Matrixf m(wxRotate(-bearing)
- * osg::Matrixf::translate(0.0f, radius, 0.0f)
- * wxRotate(bearing) * _centerTrans);
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(bearing) * _centerTrans);
osg::Vec3 pos = m.preMult(osg::Vec3(16, 16, 0));
// cast to int's, otherwise text comes out ugly
stringstream text;
text << identity << endl
- << setprecision(0) << fixed
- << setw(3) << setfill('0') << heading * SG_RADIANS_TO_DEGREES << "\xB0 "
- << setw(0) << altitude << "ft" << endl
- << ac->getDoubleValue("velocities/true-airspeed-kt") << "kts";
+ << setprecision(0) << fixed
+ << setw(3) << setfill('0') << heading * SG_RADIANS_TO_DEGREES << "\xB0 "
+ << setw(0) << altitude << "ft" << endl
+ << ac->getDoubleValue("velocities/true-airspeed-kt") << "kts";
callsign->setText(text.str());
_textGeode->addDrawable(callsign);
void
wxRadarBg::update_aircraft()
{
+ double diff;
+ double age_factor = 1.0;
+ double test_rng;
+ double test_brg;
+ double range;
+ double bearing;
+ float echo_radius;
+ double angle;
+
+ if (!ground_echoes.empty()){
+ ground_echoes_iterator = ground_echoes.begin();
+
+ while(ground_echoes_iterator != ground_echoes.end()) {
+ diff = _elapsed_time - (*ground_echoes_iterator)->elapsed_time;
+
+ if( diff > _persistance) {
+ ground_echoes.erase(ground_echoes_iterator);
+ } else {
+// double test_brg = (*ground_echoes_iterator)->bearing;
+// double bearing = test_brg * SG_DEGREES_TO_RADIANS;
+// float angle = calcRelBearing(bearing, _view_heading);
+ double bumpinessFactor = (*ground_echoes_iterator)->bumpiness;
+ float heading = get_heading();
+ if ( _display_mode == BSCAN ){
+ test_rng = (*ground_echoes_iterator)->elevation * 6;
+ test_brg = (*ground_echoes_iterator)->bearing;
+ angle = calcRelBearingDeg(test_brg, heading) * 6;
+ range = sqrt(test_rng * test_rng + angle * angle);
+ bearing = atan2(angle, test_rng);
+ //cout << "angle " << angle <<" bearing "
+ // << bearing / SG_DEGREES_TO_RADIANS << endl;
+ echo_radius = (0.1 + (1.9 * bumpinessFactor)) * 240 * age_factor;
+ } else {
+ test_rng = (*ground_echoes_iterator)->range;
+ range = test_rng * SG_METER_TO_NM;
+ test_brg = (*ground_echoes_iterator)->bearing;
+ bearing = test_brg * SG_DEGREES_TO_RADIANS;
+ echo_radius = (0.1 + (1.9 * bumpinessFactor)) * 120 * age_factor;
+ bearing += _angle_offset;
+ }
+
+ float radius = range * _scale;
+ //double heading = 90 * SG_DEGREES_TO_RADIANS;
+ //heading += _angle_offset;
+
+ age_factor = 1;
+
+ if (diff != 0)
+ age_factor = 1 - (0.5 * diff/_persistance);
+
+ float size = echo_radius * UNIT;
+
+ const osg::Vec2f texBase(3 * UNIT, 3 * UNIT);
+ osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(bearing) * _centerTrans);
+ addQuad(_vertices, _texCoords, m, texBase);
+
+ ++ground_echoes_iterator;
+
+ //cout << "test bearing " << test_brg
+ //<< " test_rng " << test_rng * SG_METER_TO_NM
+ //<< " persistance " << _persistance
+ //<< endl;
+ }
+
+ }
+
+ }
if (!_ai_enabled_node->getBoolValue())
return;
double echo_radius, sigma;
const string name = model->getName();
+
+ //cout << "name "<<name << endl;
if (name == "aircraft" || name == "tanker")
echo_radius = 1, sigma = 1;
else if (name == "multiplayer" || name == "wingman" || name == "static")
echo_radius = 1.5, sigma = 1;
- else if (name == "ship" || name == "carrier" || name == "storm")
+ else if (name == "ship" || name == "carrier" || name == "escort" ||name == "storm")
echo_radius = 1.5, sigma = 100;
else if (name == "thermal")
echo_radius = 2, sigma = 100;
else if (name == "ballistic")
echo_radius = 0.001, sigma = 0.001;
else
- continue;
+ continue;
double lat = model->getDoubleValue("position/latitude-deg");
double lon = model->getDoubleValue("position/longitude-deg");
double range, bearing;
calcRangeBearing(user_lat, user_lon, lat, lon, range, bearing);
-
+ //cout << _antenna_ht << _interval<< endl;
bool isVisible = withinRadarHorizon(user_alt, alt, range);
if (!isVisible)
const osg::Vec2f texBase(3 * UNIT, 3 * UNIT);
osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
- * osg::Matrixf::translate(0.0f, radius, 0.0f)
- * wxRotate(bearing) * _centerTrans);
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(bearing) * _centerTrans);
addQuad(_vertices, _texCoords, m, texBase);
}
const osg::Vec2f texBase(0, 3 * UNIT);
float size = 600 * UNIT;
osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
- * wxRotate(heading - bearing)
- * osg::Matrixf::translate(0.0f, radius, 0.0f)
- * wxRotate(bearing) * _centerTrans);
+ * wxRotate(heading - bearing)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(bearing) * _centerTrans);
addQuad(_vertices, _texCoords, m, texBase);
}
float size = 600 * UNIT;
float radius = _tacan_distance_node->getFloatValue() * _scale;
float angle = _tacan_bearing_node->getFloatValue() * SG_DEGREES_TO_RADIANS
- + _angle_offset;
+ + _angle_offset;
const osg::Vec2f texBase(1 * UNIT, 3 * UNIT);
osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
- * wxRotate(-angle)
- * osg::Matrixf::translate(0.0f, radius, 0.0f)
- * wxRotate(angle) * _centerTrans);
+ * wxRotate(-angle)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(angle) * _centerTrans);
addQuad(_vertices, _texCoords, m, texBase);
//SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: drawing TACAN"
const osg::Vec2f texBase(2 * UNIT, 3 * UNIT);
float size = 600 * UNIT;
osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
- * wxRotate(_view_heading + _angle_offset));
+ * wxRotate(_view_heading + _angle_offset));
m *= _centerTrans;
addQuad(_vertices, _texCoords, m, texBase);
{
// Radar Horizon = 1.23(ht^1/2 + hr^1/2),
//don't allow negative altitudes (an approximation - yes altitudes can be negative)
+ // Allow antenna ht to be set, but only on ground
+ _antenna_ht = _Instrument->getDoubleValue("antenna-ht-ft");
- if (user_alt < 0)
- user_alt = 0;
+ if (user_alt <= 0)
+ user_alt = _antenna_ht;
- if (alt < 0)
- alt = 0;
+ if (alt <= 0)
+ alt = 0; // to allow some vertical extent of target
double radarhorizon = 1.23 * (sqrt(alt) + sqrt(user_alt));
- //SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: horizon " << radarhorizon);
+// SG_LOG(SG_GENERAL, SG_ALERT, "Radar: radar horizon " << radarhorizon);
return radarhorizon >= range_nm;
}
void
wxRadarBg::calcRangeBearing(double lat, double lon, double lat2, double lon2,
- double &range, double &bearing) const
+ double &range, double &bearing) const
{
// calculate the bearing and range of the second pos from the first
double az2, distance;
return angle;
}
+float
+wxRadarBg::calcRelBearingDeg(float bearing, float heading)
+{
+ float angle = bearing - heading;
+
+ if (angle >= 180)
+ return angle -= 360;
+
+ if (angle < -180)
+ return angle += 360;
+
+ return angle;
+}
+
void
wxRadarBg::updateFont()
projects / flightgear.git / blobdiff