1 /*
2 * Navigational Stars plug-in
3 * Copyright (C) 2014-2016 Alexander Wolf
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA.
18 */
19
20 #include "StelProjector.hpp"
21 #include "StelPainter.hpp"
22 #include "StelApp.hpp"
23 #include "StelCore.hpp"
24 #include "StelGui.hpp"
25 #include "StelGuiItems.hpp"
26 #include "StelModuleMgr.hpp"
27 #include "StelTextureMgr.hpp"
28 #include "StelTranslator.hpp"
29 #include "StelFileMgr.hpp"
30 #include "StelObjectMgr.hpp"
31 #include "StarMgr.hpp"
32 #include "StelPropertyMgr.hpp"
33 #include "StelUtils.hpp"
34 #include "NavStars.hpp"
35 #include "NavStarsWindow.hpp"
36 #include "NavStarsCalculator.hpp"
37 #include "Planet.hpp"
38
39 #include <QList>
40 #include <QSharedPointer>
41 #include <QMetaEnum>
42
43 #include "planetsephems/sidereal_time.h"
44
getStelModule() const45 StelModule* NavStarsStelPluginInterface::getStelModule() const
46 {
47 return new NavStars();
48 }
49
getPluginInfo() const50 StelPluginInfo NavStarsStelPluginInterface::getPluginInfo() const
51 {
52 Q_INIT_RESOURCE(NavStars);
53
54 StelPluginInfo info;
55 info.id = "NavStars";
56 info.displayedName = N_("Navigational Stars");
57 info.authors = "Alexander Wolf, Andy Kirkham";
58 info.contact = STELLARIUM_URL;
59 info.description = N_("This plugin marks navigational stars from a selected set.");
60 info.version = NAVSTARS_PLUGIN_VERSION;
61 info.license = NAVSTARS_PLUGIN_LICENSE;
62 return info;
63 }
64
NavStars()65 NavStars::NavStars()
66 : currentNSSet(AngloAmerican)
67 , enableAtStartup(false)
68 , starLabelsState(true)
69 , upperLimb(false)
70 , highlightWhenVisible(false)
71 , limitInfoToNavStars(false)
72 , tabulatedDisplay(false)
73 , useUTCTime(false)
74 , toolbarButton(Q_NULLPTR)
75 {
76 setObjectName("NavStars");
77 conf = StelApp::getInstance().getSettings();
78 propMgr = StelApp::getInstance().getStelPropertyManager();
79 mainWindow = new NavStarsWindow();
80 permittedObjects.push_back(QStringLiteral("Sun"));
81 permittedObjects.push_back(QStringLiteral("Moon"));
82 permittedObjects.push_back(QStringLiteral("Venus"));
83 permittedObjects.push_back(QStringLiteral("Mars"));
84 permittedObjects.push_back(QStringLiteral("Jupiter"));
85 permittedObjects.push_back(QStringLiteral("Saturn"));
86 }
87
~NavStars()88 NavStars::~NavStars()
89 {
90 delete mainWindow;
91 }
92
getCallOrder(StelModuleActionName actionName) const93 double NavStars::getCallOrder(StelModuleActionName actionName) const
94 {
95 if (actionName == StelModule::ActionDraw)
96 return StelApp::getInstance()
97 .getModuleMgr()
98 .getModule("ConstellationMgr")->getCallOrder(actionName)+10.;
99 return 0;
100 }
101
init()102 void NavStars::init()
103 {
104 if (!conf->childGroups().contains("NavigationalStars"))
105 {
106 qDebug() << "[NavStars] no coordinates section exists in main config file - creating with defaults";
107 restoreDefaultConfiguration();
108 }
109 // save default state for star labels and time zone
110 starLabelsState = propMgr->getStelPropertyValue("StarMgr.flagLabelsDisplayed").toBool();
111 timeZone = propMgr->getStelPropertyValue("StelCore.currentTimeZone").toString();
112
113 // populate settings from main config file.
114 loadConfiguration();
115
116 // populate list of navigational stars
117 populateNavigationalStarsSet();
118
119 setNavStarsMarks(getEnableAtStartup());
120
121 // Marker texture - using the same texture as the planet hints.
122 QString path = StelFileMgr::findFile("textures/planet-indicator.png");
123 markerTexture = StelApp::getInstance().getTextureManager().createTexture(path);
124
125 // key bindings and other actions
126 addAction("actionShow_NavStars", N_("Navigational Stars"), N_("Mark the navigational stars"), "navStarsVisible");
127 addAction("actionShow_NavStars_dialog", N_("Navigational Stars"), N_("Show settings dialog"), mainWindow, "visible");
128
129 connect(StelApp::getInstance().getCore(), SIGNAL(configurationDataSaved()), this, SLOT(saveSettings()));
130 connect(&StelApp::getInstance(), SIGNAL(flagShowDecimalDegreesChanged(bool)), this, SLOT(setUseDecimalDegrees(bool)));
131 setUseDecimalDegrees(StelApp::getInstance().getFlagShowDecimalDegrees());
132
133 // Toolbar button
134 StelGui* gui = dynamic_cast<StelGui*>(StelApp::getInstance().getGui());
135 if (gui!=Q_NULLPTR)
136 {
137 if (toolbarButton == Q_NULLPTR)
138 {
139 // Create the nav. stars button
140 toolbarButton = new StelButton(Q_NULLPTR,
141 QPixmap(":/NavStars/btNavStars-on.png"),
142 QPixmap(":/NavStars/btNavStars-off.png"),
143 QPixmap(":/graphicGui/miscGlow32x32.png"),
144 "actionShow_NavStars",
145 false,
146 "actionShow_NavStars_dialog");
147 }
148 gui->getButtonBar()->addButton(toolbarButton, "065-pluginsGroup");
149 }
150 }
151
deinit()152 void NavStars::deinit()
153 {
154 if (getFlagUseUTCTime())
155 propMgr->setStelPropertyValue("StelCore.currentTimeZone", timeZone);
156 markerTexture.clear();
157 stars.clear();
158 starNumbers.clear();
159 }
160
configureGui(bool show)161 bool NavStars::configureGui(bool show)
162 {
163 if (show)
164 {
165 mainWindow->setVisible(true);
166 }
167
168 return true;
169 }
170
draw(StelCore * core)171 void NavStars::draw(StelCore* core)
172 {
173 // Drawing is enabled?
174 if (markerFader.getInterstate() <= 0.0f)
175 {
176 return;
177 }
178
179 QList<int> sn = getStarsNumbers();
180
181 if (stars.isEmpty())
182 {
183 StelObjectMgr* omgr = GETSTELMODULE(StelObjectMgr);
184 stars.fill(StelObjectP(), sn.size());
185 for (int i = 0; i < sn.size(); ++i)
186 {
187 QString name = QString("HIP %1").arg(sn.at(i));
188 stars[i] = omgr->searchByName(name);
189 }
190 }
191
192 StelProjectorP prj = core->getProjection(StelCore::FrameJ2000);
193 StelPainter painter(prj);
194 float mlimit = core->getSkyDrawer()->getLimitMagnitude();
195
196 Vec3d pos;
197 for (int i = 0; i < sn.size(); ++i)
198 {
199 if (stars[i].isNull())
200 continue;
201
202 // Don't show if magnitude too low for visibility.
203 if (highlightWhenVisible && stars[i]->getVMagnitude(core) > mlimit)
204 continue;
205
206 // Get the current position of the navigational star...
207 if (prj->projectCheck(stars[i]->getJ2000EquatorialPos(core), pos))
208 {
209 // ... and draw a marker around it
210 if (!markerTexture.isNull())
211 {
212 painter.setBlending(true);
213 painter.setColor(markerColor[0], markerColor[1], markerColor[2], markerFader.getInterstate());
214 markerTexture->bind();
215 painter.drawSprite2dMode(static_cast<float>(pos[0]), static_cast<float>(pos[1]), 11.f);
216 }
217
218 // Draw the localized name of the star and its ordinal number
219 QString label = stars[i]->getNameI18n();
220 if (label.isEmpty())
221 label = QString("%1").arg(i+1);
222 else
223 label = QString("%1 (%2)").arg(label).arg(i+1);
224 painter.drawText(static_cast<float>(pos[0]), static_cast<float>(pos[1]), label, 0, 10.f, 10.f, false);
225 }
226 }
227
228 addExtraInfo(core);
229 }
230
update(double deltaTime)231 void NavStars::update(double deltaTime)
232 {
233 markerFader.update(static_cast<int>(deltaTime*1000));
234 }
235
setNavStarsMarks(const bool b)236 void NavStars::setNavStarsMarks(const bool b)
237 {
238 if (b==getNavStarsMarks())
239 return;
240
241 propMgr->setStelPropertyValue("StarMgr.flagLabelsDisplayed", b ? !b : starLabelsState);
242
243 if (getFlagUseUTCTime())
244 propMgr->setStelPropertyValue("StelCore.currentTimeZone", b ? "UTC" : timeZone);
245
246 markerFader = b;
247 emit navStarsMarksChanged(b);
248 }
249
getNavStarsMarks() const250 bool NavStars::getNavStarsMarks() const
251 {
252 return markerFader;
253 }
254
setEnableAtStartup(bool b)255 void NavStars::setEnableAtStartup(bool b)
256 {
257 if (b!=getEnableAtStartup())
258 {
259 enableAtStartup=b;
260 emit enableAtStartupChanged(b);
261 }
262 }
263
setHighlightWhenVisible(bool b)264 void NavStars::setHighlightWhenVisible(bool b)
265 {
266 if (b!=getHighlightWhenVisible())
267 {
268 highlightWhenVisible=b;
269 emit highlightWhenVisibleChanged(b);
270 }
271 }
272
setLimitInfoToNavStars(bool b)273 void NavStars::setLimitInfoToNavStars(bool b)
274 {
275 if (b!=getLimitInfoToNavStars())
276 {
277 limitInfoToNavStars=b;
278 emit limitInfoToNavStarsChanged(b);
279 }
280 }
281
setUpperLimb(bool b)282 void NavStars::setUpperLimb(bool b)
283 {
284 if (b!=getUpperLimb())
285 {
286 upperLimb=b;
287 emit upperLimbChanged(b);
288 }
289 }
290
setTabulatedDisplay(bool b)291 void NavStars::setTabulatedDisplay(bool b)
292 {
293 if (b!=getTabulatedDisplay())
294 {
295 tabulatedDisplay=b;
296 emit tabulatedDisplayChanged(b);
297 }
298 }
299
setFlagUseUTCTime(bool b)300 void NavStars::setFlagUseUTCTime(bool b)
301 {
302 if (b!=getFlagUseUTCTime())
303 {
304 useUTCTime=b;
305 emit flagUseUTCTimeChanged(b);
306
307 if (getNavStarsMarks())
308 propMgr->setStelPropertyValue("StelCore.currentTimeZone", b ? "UTC" : timeZone);
309 }
310 }
311
setShowExtraDecimals(bool b)312 void NavStars::setShowExtraDecimals(bool b)
313 {
314 if (b!=getShowExtraDecimals())
315 {
316 NavStarsCalculator::useExtraDecimals=b;
317 emit showExtraDecimalsChanged(b);
318 }
319 }
320
setUseDecimalDegrees(bool flag)321 void NavStars::setUseDecimalDegrees(bool flag)
322 {
323 NavStarsCalculator::useDecimalDegrees = flag;
324 }
325
restoreDefaultConfiguration(void)326 void NavStars::restoreDefaultConfiguration(void)
327 {
328 // Remove the whole section from the configuration file
329 conf->remove("NavigationalStars");
330 // Load the default values...
331 loadConfiguration();
332 // ... then save them.
333 saveConfiguration();
334 }
335
loadConfiguration(void)336 void NavStars::loadConfiguration(void)
337 {
338 conf->beginGroup("NavigationalStars");
339
340 setCurrentNavigationalStarsSetKey(conf->value("current_ns_set", "AngloAmerican").toString());
341 markerColor = Vec3f(conf->value("marker_color", "0.8,0.0,0.0").toString());
342 enableAtStartup = conf->value("enable_at_startup", false).toBool();
343 highlightWhenVisible = conf->value("highlight_when_visible", false).toBool();
344 limitInfoToNavStars = conf->value("limit_info_to_nav_stars", false).toBool();
345 tabulatedDisplay = conf->value("tabulated_display", false).toBool();
346 upperLimb = conf->value("upper_limb", false).toBool();
347 setShowExtraDecimals(conf->value("extra_decimals", false).toBool());
348 useUTCTime = conf->value("use_utc_time", false).toBool();
349
350 conf->endGroup();
351 }
352
saveConfiguration(void)353 void NavStars::saveConfiguration(void)
354 {
355 conf->beginGroup("NavigationalStars");
356
357 conf->setValue("current_ns_set", getCurrentNavigationalStarsSetKey());
358 conf->setValue("marker_color", markerColor.toStr());
359 conf->setValue("enable_at_startup", getEnableAtStartup());
360 conf->setValue("highlight_when_visible", getHighlightWhenVisible());
361 conf->setValue("limit_info_to_nav_stars", getLimitInfoToNavStars());
362 conf->setValue("tabulated_display", getTabulatedDisplay());
363 conf->setValue("upper_limb", getUpperLimb());
364 conf->setValue("extra_decimals", getShowExtraDecimals());
365 conf->setValue("use_utc_time", getFlagUseUTCTime());
366
367 conf->endGroup();
368 }
369
setCurrentNavigationalStarsSetKey(QString key)370 void NavStars::setCurrentNavigationalStarsSetKey(QString key)
371 {
372 const QMetaEnum& en = metaObject()->enumerator(metaObject()->indexOfEnumerator("NavigationalStarsSet"));
373 NavigationalStarsSet nsSet = static_cast<NavigationalStarsSet>(en.keyToValue(key.toLatin1().data()));
374 if (nsSet<0)
375 {
376 qWarning() << "Unknown navigational stars set:" << key << "setting \"AngloAmerican\" instead";
377 nsSet = AngloAmerican;
378 }
379 setCurrentNavigationalStarsSet(nsSet);
380 populateNavigationalStarsSet();
381 }
382
getCurrentNavigationalStarsSetKey() const383 QString NavStars::getCurrentNavigationalStarsSetKey() const
384 {
385 return metaObject()->enumerator(metaObject()->indexOfEnumerator("NavigationalStarsSet")).key(currentNSSet);
386 }
387
getCurrentNavigationalStarsSetDescription() const388 QString NavStars::getCurrentNavigationalStarsSetDescription() const
389 {
390 QString txt = "";
391
392 switch(getCurrentNavigationalStarsSet())
393 {
394 case AngloAmerican:
395 {
396 // TRANSLATORS: The emphasis tags mark a title.
397 txt = q_("The 57 \"selected stars\" that are listed in <em>The Nautical Almanac</em> jointly published by Her Majesty's Nautical Almanac Office and the US Naval Observatory since 1958; consequently, these stars are also used in navigational aids such as the <em>2102D Star Finder</em> and <em>Identifier</em>.");
398 break;
399 }
400 case French:
401 {
402 // TRANSLATORS: The emphasis tags mark a book title.
403 txt = q_("The 81 stars that are listed in the French Nautical Almanac (The original French title is <em>%1</em>) published by the French Bureau des Longitudes.").arg("Ephémérides Nautiques");
404 break;
405 }
406 case Russian:
407 {
408 // TRANSLATORS: The emphasis tags mark a book title.
409 txt = q_("The 160 stars that are listed in the Russian Nautical Almanac (The original Russian title is <em>%1</em>).").arg("Морской астрономический ежегодник");
410 break;
411 }
412 case German:
413 {
414 // TRANSLATORS: The emphasis tags mark a book title.
415 txt = q_("The 80 stars that are listed in the German Nautical Almanac (The original German title is <em>%1</em>) published by the Federal Maritime and Hydrographic Agency of Germany.").arg("Nautisches Jahrbuch");
416 break;
417 }
418 }
419
420 return txt;
421 }
422
populateNavigationalStarsSet(void)423 void NavStars::populateNavigationalStarsSet(void)
424 {
425 bool currentState = getNavStarsMarks();
426
427 setNavStarsMarks(false);
428 stars.clear();
429 starNumbers.clear();
430
431 // List of HIP numbers of the navigational stars:
432 switch(getCurrentNavigationalStarsSet())
433 {
434 case AngloAmerican:
435 {
436 // 57 "selected stars" from The Nautical Almanac.
437 starNumbers << 677 << 2081 << 3179 << 3419 << 7588 << 9884 << 13847
438 << 14135 << 15863 << 21421 << 24436 << 24608 << 25336 << 25428
439 << 26311 << 27989 << 30438 << 32349 << 33579 << 37279 << 37826
440 << 41037 << 44816 << 45238 << 46390 << 49669 << 54061 << 57632
441 << 59803 << 60718 << 61084 << 62956 << 65474 << 67301 << 68702
442 << 68933 << 69673 << 71683 << 72603 << 72607 << 76267 << 80763
443 << 82273 << 84012 << 85927 << 86032 << 87833 << 90185 << 91262
444 << 92855 << 97649 << 100751 << 102098 << 107315 << 109268 << 113368
445 << 113963;
446 break;
447 }
448 case French:
449 {
450 // 81 stars from French Nautical Almanac
451 // Original French name: Ephémérides Nautiques
452 starNumbers << 677 << 746 << 1067 << 2081 << 3179 << 3419 << 4427
453 << 5447 << 7588 << 9884 << 11767 << 14135 << 14576 << 15863
454 << 21421 << 24436 << 24608 << 25336 << 25428 << 26311 << 26727
455 << 27989 << 28360 << 30324 << 30438 << 31681 << 32349 << 33579
456 << 34444 << 36850 << 37279 << 37826 << 39429 << 39953 << 41037
457 << 42913 << 44816 << 45238 << 45556 << 46390 << 49669 << 53910
458 << 54061 << 54872 << 57632 << 58001 << 59803 << 60718 << 61084
459 << 61932 << 62434 << 62956 << 65378 << 65474 << 67301 << 68702
460 << 68933 << 69673 << 71683 << 72607 << 76267 << 80763 << 82273
461 << 82396 << 85927 << 86032 << 87833 << 90185 << 91262 << 92855
462 << 97649 << 100453 << 100751 << 102098 << 105199 << 107315 << 109268
463 << 112122 << 113368 << 113881 << 113963;
464 break;
465 }
466 case Russian:
467 {
468 // 160 stars from Russian Nautical Almanac
469 // Original Russian name: Морской астрономический ежегодник.
470 starNumbers << 677 << 746 << 1067 << 2021 << 2081 << 3179 << 3419
471 << 4427 << 5447 << 6686 << 7588 << 8886 << 8903 << 9236
472 << 9640 << 9884 << 13847 << 14135 << 14576 << 15863 << 17702
473 << 18246 << 18532 << 21421 << 23015 << 23875 << 24436 << 24608
474 << 25336 << 25428 << 25606 << 25930 << 25985 << 26241 << 26311
475 << 26451 << 26634 << 26727 << 27913 << 27989 << 28360 << 28380
476 << 30324 << 30438 << 31681 << 32349 << 32768 << 33579 << 33152
477 << 34444 << 35264 << 35904 << 36188 << 36850 << 37279 << 37826
478 << 39429 << 39757 << 39953 << 41037 << 42913 << 44816 << 45238
479 << 45556 << 46390 << 46701 << 49669 << 50583 << 52419 << 52727
480 << 53910 << 54061 << 54872 << 57632 << 58001 << 59196 << 59747
481 << 59774 << 59803 << 60718 << 61084 << 61359 << 61585 << 61932
482 << 61941 << 62434 << 62956 << 63121 << 63608 << 65109 << 65378
483 << 65474 << 66657 << 67301 << 67927 << 68002 << 68702 << 68933
484 << 69673 << 71075 << 71352 << 71681 << 71860 << 72105 << 72603
485 << 72607 << 73273 << 74946 << 74785 << 76297 << 76267 << 77070
486 << 78401 << 78820 << 79593 << 80331 << 80763 << 80816 << 81266
487 << 81377 << 81693 << 82273 << 82396 << 83081 << 84012 << 85258
488 << 85792 << 85670 << 85927 << 86032 << 86228 << 79540 << 86742
489 << 87833 << 88635 << 89931 << 90185 << 90496 << 91262 << 95347
490 << 93506 << 93747 << 94141 << 97165 << 97278 << 97649 << 100453
491 << 100751 << 102098 << 102488 << 105199 << 107315 << 107556 << 109268
492 << 110130 << 112122 << 113368 << 113881 << 113963 << 11767;
493 break;
494 }
495 case German:
496 {
497 // 80 stars from German Nautical Almanac
498 // Original German name: Nautisches Jahrbuch
499 // The numbers are identical to the "Nautisches Jahrbuch"
500 starNumbers << 677 << 1067 << 2081 << 3179 << 3419 << 4427
501 << 5447 << 7588 << 11767 << 9640 << 9884 << 14135
502 << 14576 << 15863 << 17702 << 21421 << 24436 << 24608
503 << 25336 << 25428 << 26311 << 26727 << 27366 << 27989
504 << 28360 << 30324 << 30438 << 31681 << 32349 << 33579
505 << 34444 << 36850 << 37279 << 37826 << 41037 << 44816
506 << 45238 << 46390 << 49669 << 52419 << 54061 << 57632
507 << 60718 << 61084 << 62434 << 62956 << 63608 << 65378
508 << 65474 << 67301 << 68702 << 68933 << 69673 << 71683
509 << 72105 << 72622 << 72607 << 74785 << 76267 << 77070
510 << 80763 << 82273 << 82396 << 85927 << 86032 << 86228
511 << 87833 << 90185 << 91262 << 92855 << 97649 << 100751
512 << 102098 << 105199 << 107315 << 109268 << 112122 << 113368
513 << 113881 << 113963;
514 break;
515 }
516 }
517
518 setNavStarsMarks(currentState);
519 }
520
addExtraInfo(StelCore * core)521 void NavStars::addExtraInfo(StelCore *core)
522 {
523 if (0 == stars.size() || "Earth" != core->getCurrentPlanet()->getEnglishName())
524 return;
525
526 StelApp& stelApp = StelApp::getInstance();
527 bool isSource = stelApp.getStelObjectMgr().getWasSelected();
528
529 if (isSource)
530 {
531 bool doExtraInfo = true;
532 StelObjectP selectedObject = stelApp.getStelObjectMgr().getSelectedObject()[0];
533 if (limitInfoToNavStars)
534 {
535 doExtraInfo = false;
536 QString type = selectedObject->getType();
537 if(selectedObject->getType() == QStringLiteral("Star")) {
538 for (QVector<StelObjectP>::const_iterator itor = stars.begin();
539 itor != stars.end();
540 itor++)
541 {
542 StelObjectP p = *itor;
543 if (p->getEnglishName() == selectedObject->getEnglishName())
544 {
545 doExtraInfo = true;
546 break;
547 }
548 }
549 }
550 else
551 {
552 QString englishName = selectedObject->getEnglishName();
553 if (isPermittedObject(englishName))
554 {
555 doExtraInfo = true;
556 }
557 }
558 }
559 if (doExtraInfo)
560 extraInfo(core, selectedObject);
561 }
562 }
563
extraInfo(StelCore * core,const StelObjectP & selectedObject)564 void NavStars::extraInfo(StelCore* core, const StelObjectP& selectedObject)
565 {
566 double jd, jde, x = 0., y = 0.;
567 QString extraText = "", englishName = selectedObject->getEnglishName();
568
569 jd = core->getJD();
570 jde = core->getJDE();
571
572 NavStarsCalculator calc;
573 calc.setUTC(StelUtils::julianDayToISO8601String(jd))
574 .setLatDeg(core->getCurrentLocation().latitude)
575 .setLonDeg(core->getCurrentLocation().longitude)
576 .setJd(jd)
577 .setJde(jde)
578 .setGmst(get_mean_sidereal_time(jd, jde));
579
580 StelUtils::rectToSphe(&x, &y, selectedObject->getEquinoxEquatorialPos(core));
581 calc.setRaRad(x).setDecRad(y);
582
583 StelUtils::rectToSphe(&x,&y,selectedObject->getAltAzPosGeometric(core));
584 calc.setAzRad(x).setAltRad(y);
585
586 StelUtils::rectToSphe(&x,&y,selectedObject->getAltAzPosApparent(core));
587 calc.setAzAppRad(x).setAltAppRad(y);
588
589 calc.execute();
590
591 if ("Sun" == englishName || "Moon" == englishName)
592 {
593 // Adjust Ho if target is Sun or Moon by adding/subtracting the angular radius.
594 double obj_radius_in_degrees = selectedObject->getAngularSize(core);
595 if (!upperLimb)
596 obj_radius_in_degrees *= -1;
597 calc.addAltAppRad((obj_radius_in_degrees * M_PI) / 180.);
598 extraText = upperLimb ?
599 " (" + QString(qc_("upper limb", "the highest part of the Sun or Moon")) + ")" :
600 " (" + QString(qc_("lower limb", "the lowest part of the Sun or Moon")) + ")";
601 }
602
603 if (tabulatedDisplay)
604 displayTabulatedInfo(selectedObject, calc, extraText);
605 else
606 displayStandardInfo(selectedObject, calc, extraText);
607 }
608
displayStandardInfo(const StelObjectP & selectedObject,NavStarsCalculator & calc,const QString & extraText)609 void NavStars::displayStandardInfo(const StelObjectP& selectedObject, NavStarsCalculator& calc, const QString& extraText)
610 {
611 Q_UNUSED(extraText)
612 QString temp;
613 StelObject::InfoStringGroup infoGroup = StelObject::OtherCoord;
614 selectedObject->addToExtraInfoString(infoGroup,
615 oneRowTwoCells(qc_("GHA", "Greenwich Hour Angle") + "♈", calc.gmstPrintable(), "", false));
616 selectedObject->addToExtraInfoString(infoGroup,
617 oneRowTwoCells(qc_("SHA", "object Sidereal Hour Angle (ERA, Earth rotation angle)"), calc.shaPrintable(), "", false));
618 selectedObject->addToExtraInfoString(infoGroup,
619 oneRowTwoCells(qc_("LHA", "Local Hour Angle"), calc.lhaPrintable(), "", false));
620 temp = calc.ghaPrintable() + "/" + calc.decPrintable();
621 selectedObject->addToExtraInfoString(infoGroup,
622 oneRowTwoCells(qc_("GP: GHA/DEC", "Ground Position of object"), temp, "", false));
623 temp = calc.gplatPrintable() + "/" + calc.gplonPrintable();
624 selectedObject->addToExtraInfoString(infoGroup,
625 oneRowTwoCells(qc_("GP: LAT/LON", "geodetic coordinate system, latitude and longitude of ground point"), temp, "", false));
626 temp = calc.latPrintable() + "/" + calc.lonPrintable();
627 selectedObject->addToExtraInfoString(infoGroup,
628 oneRowTwoCells(qc_("AP: LAT/LON", "geodetic coordinate system, assumed latitude and longitude of user"), temp, "", false));
629 temp = calc.hcPrintable() + "/" + calc.znPrintable();
630 selectedObject->addToExtraInfoString(infoGroup,
631 oneRowTwoCells(qc_("Hc/Zn", "Navigation/horizontal coordinate system, calculated altitude and azimuth"), temp, "", false));
632 }
633
displayTabulatedInfo(const StelObjectP & selectedObject,NavStarsCalculator & calc,const QString & extraText)634 void NavStars::displayTabulatedInfo(const StelObjectP& selectedObject, NavStarsCalculator& calc, const QString& extraText)
635 {
636 StelObject::InfoStringGroup infoGroup = StelObject::OtherCoord;
637 selectedObject->addToExtraInfoString(infoGroup,
638 oneRowTwoCells(qc_("UTC", "Universal Time Coordinated"), calc.getUTC(), "", false));
639 selectedObject->addToExtraInfoString(infoGroup, "<table style='margin:0em 0em 0em -0.125em;border-spacing:0px;border:0px;'>");
640 selectedObject->addToExtraInfoString(infoGroup,
641 oneRowTwoCells(qc_("Ho", "Navigation/horizontal coordinate system, sextant measured altitude"), calc.altAppPrintable(), extraText, true));
642 selectedObject->addToExtraInfoString(infoGroup,
643 oneRowTwoCells(qc_("GHA", "Greenwich Hour Angle") + "♈", calc.gmstPrintable(), "", true));
644 selectedObject->addToExtraInfoString(infoGroup,
645 oneRowTwoCells(qc_("LMST", "Local Hour Angle"), calc.lmstPrintable(), "", true));
646 selectedObject->addToExtraInfoString(infoGroup,
647 oneRowTwoCells(qc_("SHA", "object Sidereal Hour Angle (ERA, Earth rotation angle)"), calc.shaPrintable(), "", true));
648 selectedObject->addToExtraInfoString(infoGroup,
649 oneRowTwoCells(qc_("GHA", "Greenwich Hour Angle"), calc.ghaPrintable(), "", true));
650 selectedObject->addToExtraInfoString(infoGroup,
651 oneRowTwoCells(qc_("DEC", "Declination"), calc.decPrintable(), "", true));
652 selectedObject->addToExtraInfoString(infoGroup,
653 oneRowTwoCells(qc_("LHA", "Local Hour Angle"), calc.lhaPrintable(), "", true));
654 selectedObject->addToExtraInfoString(infoGroup,
655 oneRowTwoCells(qc_("LAT", "geodetic coordinate system, latitude"), calc.gplatPrintable(), "", true));
656 selectedObject->addToExtraInfoString(infoGroup,
657 oneRowTwoCells(qc_("LON", "geodetic coordinate system, longitude"), calc.gplonPrintable(), "", true));
658 selectedObject->addToExtraInfoString(infoGroup,
659 oneRowTwoCells(qc_("Hc", "Navigation/horizontal coordinate system, calculated altitude"), calc.hcPrintable(), "", true));
660 selectedObject->addToExtraInfoString(infoGroup,
661 oneRowTwoCells(qc_("Zn", "Navigation/horizontal coordinate system, calculated azimuth"), calc.znPrintable(), "", true));
662 selectedObject->addToExtraInfoString(infoGroup, "</table>");
663 }
664
oneRowTwoCells(const QString & a,const QString & b,const QString & extra,bool tabulatedView)665 QString NavStars::oneRowTwoCells(const QString& a, const QString& b, const QString &extra, bool tabulatedView)
666 {
667 QString rval;
668 if (tabulatedView)
669 rval += QString("<tr><td>%1:</td><td style='text-align:right;'>%2</td><td>%3</td></tr>").arg(a, b, extra);
670 else
671 rval += QString("%1: %2 %3<br />").arg(a, b, extra);
672 return rval;
673 }
674
isPermittedObject(const QString & s)675 bool NavStars::isPermittedObject(const QString& s)
676 {
677 QVector<QString>::const_iterator itor = permittedObjects.begin();
678 while (itor != permittedObjects.end())
679 {
680 if (*itor == s)
681 return true;
682 ++itor;
683 }
684 return false;
685 }
686
