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#include <sys/time.h>
#include <cstdio>
#include <cstring>
#include <ctime>
#include <map>
#include <sstream>
#include <vector>
using namespace std;
#include "body.h"
#include "buildPlanetMap.h"
#include "config.h"
#include "createMap.h"
#include "findBodyXYZ.h"
#include "findFile.h"
#include "keywords.h"
#include "Map.h"
#include "Options.h"
#include "PlanetProperties.h"
#include "Ring.h"
#include "satrings.h"
#include "sphericalToPixel.h"
#include "View.h"
#include "xpUtil.h"
#include "libannotate/libannotate.h"
#include "libdisplay/libdisplay.h"
#include "libimage/Image.h"
#include "libmultiple/libmultiple.h"
#include "libplanet/Planet.h"
struct plotDetail
{
Planet *p;
double X, Y; // pixel location
double radius; // radius in pixels
double sun_lat, sun_lon; // sub-solar location
double obs_lat, obs_lon; // sub-observer location
};
extern void
arrangeMarkers(multimap<double, Annotation *> &annotationMap,
DisplayBase *display);
void
drawMultipleBodies(DisplayBase *display, Planet *target,
const double upX, const double upY, const double upZ,
map<double, Planet *> &planetsFromSunMap,
PlanetProperties *planetProperties[])
{
Options *options = Options::getInstance();
const int width = display->Width();
const int height = display->Height();
// Get the rectangular position of the origin
double oX, oY, oZ;
options->getOrigin(oX, oY, oZ);
// Get the rectangular position of the target
double tX, tY, tZ;
options->getTarget(tX, tY, tZ);
// Get the displacement from origin to target
double dX = tX - oX;
double dY = tY - oY;
double dZ = tZ - oZ;
double target_dist = sqrt(dX*dX + dY*dY + dZ*dZ);
if (target_dist == 0)
xpExit("Origin and target bodies can't be the same!\n",
__FILE__, __LINE__);
if (options->Verbosity() > 0)
{
if (options->TargetMode() != XYZ
&& (options->OriginMode() == BODY
|| options->OriginMode() == MAJOR
|| options->OriginMode() == RANDOM
|| options->OriginMode() == SYSTEM))
{
ostringstream msg;
msg << "Looking at "
<< planetProperties[options->Target()]->Name()
<< " from "
<< planetProperties[options->Origin()]->Name()
<< endl;
xpMsg(msg.str(), __FILE__, __LINE__);
if (options->Verbosity() > 1)
{
char buffer[128];
snprintf(buffer, 128,
"target dist = %12.6f, in units of radius = %12.6f\n",
target_dist,
target_dist
/ (planetProperties[target->Index()]->Magnify()
* target->Radius()));
xpMsg(buffer, __FILE__, __LINE__);
}
}
}
// Find the pixel radius and angle subtended by the target.
// This is used to get degrees per pixel.
double pixels_per_radian = -1;
switch (options->FOVMode())
{
case RADIUS:
{
double target_pixel_radius = (options->Radius() * height);
target_pixel_radius /= planetProperties[options->Target()]->Magnify();
if (target->Index() == SATURN) target_pixel_radius /= 2.32166;
const double target_angular_radius = target->Radius() / target_dist;
pixels_per_radian = target_pixel_radius / target_angular_radius;
options->FieldOfView(width / pixels_per_radian);
}
break;
case FOV:
{
pixels_per_radian = width / options->FieldOfView();
if (options->TargetMode() != XYZ)
{
const double target_angular_radius = target->Radius()/target_dist;
double target_pixel_radius = (target_angular_radius
* pixels_per_radian);
double scale = 1.0;
if (target->Index() == SATURN) scale *= 2.32166;
options->Radius(scale * target_pixel_radius / height);
}
}
break;
default:
xpExit("drawMultipleBodies: Unknown FOV mode???\n", __FILE__,
__LINE__);
}
// Linear distance per pixel
const double dist_per_pixel = target_dist / pixels_per_radian;
if (options->Verbosity() > 1)
{
ostringstream msg;
char buffer[128];
int year, month, day, hour, min;
double sec;
fromJulian(options->JulianDay(), year, month, day, hour, min, sec);
snprintf(buffer, 128, "Julian Date = %14.6f (%04d%02d%02d.%02d%02d%02d)\n",
options->JulianDay(), year, month, day, hour, min, (int) (sec+0.5));
msg << buffer;
snprintf(buffer, 128, "origin XYZ = %14.8f %14.8f %14.8f\n",
oX, oY, oZ);
msg << buffer;
snprintf(buffer, 128, "target XYZ = %14.8f %14.8f %14.8f\n",
tX, tY, tZ);
msg << buffer;
snprintf(buffer, 128, "up XYZ = %14.8f %14.8f %14.8f\n",
upX, upY, upZ);
msg << buffer;
snprintf(buffer, 128, "fov = %14.8f degrees\n",
options->FieldOfView()/deg_to_rad);
msg << buffer;
snprintf(buffer, 128, "dist_per_pixel = %14.8e AU (%14.8e km)\n",
dist_per_pixel, dist_per_pixel*AU_to_km);
msg << buffer;
xpMsg(msg.str(), __FILE__, __LINE__);
}
// Put the primary in the center of the field of view when looking
// from above or below
if (options->OriginMode() == ABOVE || options->OriginMode() == BELOW)
{
findBodyXYZ(options->JulianDay(), options->Primary(), -1, tX, tY, tZ);
}
View *view = new View(oX, oY, oZ, tX, tY, tZ,
upX * FAR_DISTANCE,
upY * FAR_DISTANCE,
upZ * FAR_DISTANCE,
dist_per_pixel,
options->Rotate());
multimap<double, Annotation *> annotationMap;
annotationMap.clear();
multimap<double, plotDetail> planetMap;
planetMap.clear();
// Now run through all of the other bodies to see if any of
// them are in the field of view
for (map<double, Planet *>::iterator it0 = planetsFromSunMap.begin();
it0 != planetsFromSunMap.end(); it0++)
{
Planet *current_planet = it0->second;
body b = current_planet->Index();
PlanetProperties *currentProperties = planetProperties[current_planet->Index()];
// Get the planet's position
double pX, pY, pZ;
current_planet->getPosition(pX, pY, pZ);
// Now get the position relative to the origin
dX = pX - oX;
dY = pY - oY;
dZ = pZ - oZ;
double dist = sqrt(dX*dX + dY*dY + dZ*dZ);
if (currentProperties->DrawOrbit())
{
double light_time = 0;
if (options->LightTime())
{
light_time = dist * AU_to_km / 299792.458;
light_time /= 86400;
}
addOrbits(options->JulianDay() - light_time,
view, width, height,
current_planet,
currentProperties,
annotationMap);
}
if (dist == 0) continue;
const double angularRadius = current_planet->Radius() / dist;
double pixel_radius = (angularRadius * pixels_per_radian
* currentProperties->Magnify());
// Get the pixel location of this body
double X, Y, Z;
view->XYZToPixel(pX, pY, pZ, X, Y, Z);
X += options->CenterX();
Y += options->CenterY();
// only annotate the image if it's big enough
if (currentProperties->MinRadiusForMarkers() < pixel_radius)
{
if (currentProperties->DrawArcs())
addArcs(currentProperties, current_planet, view, NULL,
annotationMap);
if (currentProperties->DrawMarkers())
addMarkers(currentProperties, current_planet, pixel_radius,
X, Y, Z, view, NULL, width, height,
planetsFromSunMap, annotationMap);
if (currentProperties->DrawSatellites())
addSatellites(currentProperties, current_planet,
view, NULL, annotationMap);
}
// Even if the disk of the Sun or Saturn is off the
// screen, we still want to draw the glare or the rings.
double multFactor = fabs(current_planet->Radius() / Z);
if (multFactor < 1) multFactor = 1;
if (b == SUN)
multFactor = 28;
else if (b == SATURN)
multFactor = 5 * multFactor;
pixel_radius *= multFactor;
// if it's behind us or off the screen, skip this one
if (Z < -current_planet->Radius() * multFactor
|| X < -pixel_radius || X > width + pixel_radius
|| Y < -pixel_radius || Y > height + pixel_radius) continue;
pixel_radius /= multFactor;
// Now calculate the sub-solar and sub-observer points
double sun_lat, sun_lon;
current_planet->XYZToPlanetographic(0, 0, 0, sun_lat, sun_lon);
double obs_lat, obs_lon;
current_planet->XYZToPlanetographic(oX, oY, oZ, obs_lat, obs_lon);
// Label this body with its name
if (pixel_radius >= currentProperties->MinRadiusForLabel()
&& pixel_radius <= currentProperties->MaxRadiusForLabel())
{
Text *t = new Text(currentProperties->TextColor(),
static_cast<int> (X + 0.5),
static_cast<int> (Y + 0.5),
static_cast<int> (pixel_radius + 1),
static_cast<int> (pixel_radius + 1),
AUTO, currentProperties->Name());
annotationMap.insert(pair<const double, Annotation*>(Z, t));
}
// And save for plotting
plotDetail planetDetail = {current_planet, X, Y, pixel_radius,
sun_lat, sun_lon, obs_lat, obs_lon};
planetMap.insert(pair<const double, plotDetail>(Z, planetDetail));
}
if (options->Verbosity() > 0)
{
ostringstream msg;
char buffer[256];
snprintf(buffer, 256, "%10s%10s%8s%8s%8s%8s%8s%8s%8s\n",
"Name", "Dist", "X", "Y", "radius",
"sun lat", "sun lon","obs lat", "obs lon");
msg << buffer;
xpMsg(msg.str(), __FILE__, __LINE__);
}
drawStars(display, view);
#ifdef HAVE_CSPICE
if (!options->SpiceFiles().empty())
addSpiceObjects(planetsFromSunMap, view, NULL, annotationMap);
#endif
if (!options->ArcFiles().empty())
addArcs(view, annotationMap);
if (!options->MarkerFiles().empty())
addMarkers(view, width, height, planetsFromSunMap, annotationMap);
// place markers so that they don't overlap one another, if
// possible
arrangeMarkers(annotationMap, display);
// draw all of the annotations
if (!annotationMap.empty())
{
multimap<double, Annotation *>::iterator annotationIterator;
for (annotationIterator = annotationMap.begin();
annotationIterator != annotationMap.end();
annotationIterator++)
{
(annotationIterator->second)->Draw(display);
}
}
// planetMap contains a list of bodies to plot, sorted by
// distance to the observer
multimap<double, plotDetail>::iterator planetIterator = planetMap.end();
while (planetIterator != planetMap.begin())
{
planetIterator--;
const double dist_to_planet = planetIterator->first;
Planet *current_planet = planetIterator->second.p;
const double pX = planetIterator->second.X;
const double pY = planetIterator->second.Y;
double pR = planetIterator->second.radius;
const double sLat = planetIterator->second.sun_lat;
const double sLon = planetIterator->second.sun_lon;
const double oLat = planetIterator->second.obs_lat;
const double oLon = planetIterator->second.obs_lon;
PlanetProperties *currentProperties = planetProperties[current_planet->Index()];
if (options->Verbosity() > 0)
{
ostringstream msg;
char buffer[256];
snprintf(buffer, 256,
"%10s%10.4f%8.1f%8.1f%8.1f%8.2f%8.2f%8.2f%8.2f\n",
currentProperties->Name().c_str(),
dist_to_planet, pX, pY, pR,
sLat/deg_to_rad, sLon/deg_to_rad,
oLat/deg_to_rad, oLon/deg_to_rad);
msg << buffer;
xpMsg(msg.str(), __FILE__, __LINE__);
}
if (pR <= 1)
{
display->setPixel(pX, pY, currentProperties->Color());
if (current_planet->Index() == SUN)
drawSunGlare(display, pX, pY, 1, currentProperties->Color());
continue;
}
double X, Y, Z;
current_planet->getPosition(X, Y, Z);
Ring *ring = NULL;
// Draw the far side of Saturn's rings
if (current_planet->Index() == SATURN)
{
const double r_in = (currentProperties->Magnify()
* inner_radius/saturn_radius);
const double r_out = (currentProperties->Magnify()
* outer_radius/saturn_radius);
ring = new Ring(r_in, r_out,
ring_brightness, LIT, ring_transparency,
TRANSP, sLon, sLat,
currentProperties->Shade(),
planetsFromSunMap,
current_planet);
const bool lit_side = (sLat * oLat > 0);
drawRings(current_planet, display, view, ring, pX, pY, pR,
oLat, oLon, lit_side, true);
}
Map *m = NULL;
m = createMap(sLat, sLon, oLat, oLon, width, height, pR,
current_planet, ring, planetsFromSunMap,
currentProperties);
if (!options->OutputMapRect().empty())
{
if (current_planet->Index() == options->Target())
{
if (!m->Write(options->OutputMapRect().c_str()))
{
ostringstream errStr;
errStr << "Can't create " << options->OutputMapRect()
<< "\n";
xpWarn(errStr.str(), __FILE__, __LINE__);
}
}
}
if (current_planet->Index() == JUPITER
|| current_planet->Index() == SATURN)
{
drawEllipsoid(pX, pY, pR, oX, oY, oZ,
X, Y, Z, display, view, m,
current_planet, currentProperties);
}
else
{
drawSphere(pX, pY, pR, oX, oY, oZ,
X, Y, Z, display, view, m,
current_planet, currentProperties);
}
delete m;
// Draw the grid
if (currentProperties->Grid())
{
const double grid1 = currentProperties->Grid1();
const double grid2 = currentProperties->Grid2();
const unsigned char *color = currentProperties->GridColor();
for (double lat = -M_PI_2; lat <= M_PI_2; lat += M_PI_2/grid1)
{
const double radius = current_planet->Radius(lat);
for (double lon = -M_PI; lon <= M_PI; lon += M_PI_2/(grid1 * grid2))
{
double X, Y, Z;
sphericalToPixel(lat, lon,
radius * currentProperties->Magnify(),
X, Y, Z, current_planet, view, NULL);
if (Z < dist_to_planet) display->setPixel(X, Y, color);
}
}
for (double lat = -M_PI_2; lat <= M_PI_2; lat += M_PI_2/(grid1 * grid2))
{
const double radius = current_planet->Radius(lat);
for (double lon = -M_PI; lon <= M_PI; lon += M_PI_2/grid1)
{
double X, Y, Z;
sphericalToPixel(lat, lon,
radius * currentProperties->Magnify(),
X, Y, Z, current_planet, view, NULL);
if (Z < dist_to_planet) display->setPixel(X, Y, color);
}
}
}
if (current_planet->Index() == SUN)
{
drawSunGlare(display, pX, pY, pR, currentProperties->Color());
}
// Draw the near side of Saturn's rings
if (current_planet->Index() == SATURN)
{
const bool lit_side = (sLat * oLat > 0);
drawRings(current_planet, display, view, ring, pX, pY, pR,
oLat, oLon, lit_side, false);
}
delete ring;
// draw all of the annotations in front of this body
if (!annotationMap.empty())
{
multimap<double, Annotation *>::iterator annotationIterator = annotationMap.begin();
while (annotationIterator != annotationMap.end()
&& annotationIterator->first < dist_to_planet)
{
(annotationIterator->second)->Draw(display);
annotationIterator++;
}
}
}
// clean up the annotationMap
if (!annotationMap.empty())
{
multimap<double, Annotation *>::iterator annotationIterator;
for (annotationIterator = annotationMap.begin();
annotationIterator != annotationMap.end();
annotationIterator++)
delete annotationIterator->second;
}
delete view;
}
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