//
// Name: List of largest known stars
// Author: Alexander Wolf
// License: Public Domain
// Version: 1.1
// Description: This script helps you make an excursion around largest known stars.
//

include("i18n.inc");

// HIP, FOV, Name, Solar radii, Note
var largeststar = [[117078,  1.0, tr("PZ Cassiopeiae"), 1565, 
		  tr("PZ Cas is located in a region with heavy dust extinction.\nThe quoted size is the average size parameter, the true\nvalue is from 1,340-1,940.")],
		  [  88838,  1.0, tr("VX Sagittarii"), 1520,
		  tr("VX Sgr is a pulsating variable with a large visual range\nand varies significantly in size.")],
		  [ 108317,  5.0, tr("VV Cephei A"), 1475, 
		  tr("VV Cep A is a highly distorted star in a binary system,\nlosing mass to its B-type companion VV Cephei B for at least\npart of its orbit.")],
		  [ 110504,  1.0, tr("RW Cephei"), 1435, 
		  tr("RW Cep is variable both in brightness (by at least a factor\nof 3) and spectral type (observed from G8 to M), thus\nprobably also in diameter.")],
		  [  35793,  0.2, tr("VY Canis Majoris"), 1420, 
		  tr("Once thought to be a red hypergiant star so large that it\ncontradicted stellar evolutionary theory, improved measurements\nand estimates have brought it down to size.")],
		  [  84071,  0.4, tr("AH Scorpii"), 1411, 
		  tr("AH Sco is variable by nearly 3 magnitudes in the visual range,\nand an estimated 20% in total luminosity. The variation in diameter\nis not clear because the temperature also varies.")],
		  [  67261,  0.2, tr("V766 Centauri A"), 1316, 
		  tr("V766 Centauri A is a highly distorted star in a close binary system,\nlosing mass to the secondary.")],
		  [  87433,  0.5, tr("KW Sagittarii"), 1235, ""],
		  [ 100404,  0.8, tr("BC Cygni"), 1140, ""],
		  [  52562,  0.2, tr("RT Carinae"), 1090, ""],
		  [  27989, 10.0, tr("Betelgeuse"), 1075, 
		  tr("Ninth brightest star in the night sky.")],
		  [ 107259,  5.0, tr("Mu Cephei (Herschel's \"Garnet Star\")"), 1035, ""],
		  [  11093,  2.0, tr("S Persei"), 1005, 
		  tr("In the Perseus Double Cluster.")],
		  [ 101023,  0.7, tr("RW Cygni"), 980, ""],
		  [  80763,  5.0, tr("Antares A"), 883, ""],
		  [  64094,  1.5, tr("Theta Muscae"), 878, ""],
		  [ 104029,  1.0, tr("V1749 Cygni"), 830, ""],
		  [ 117763,  0.3, tr("TZ Cassiopeiae"), 800, ""],
		  [  52991,  0.4, tr("IX Carinae"), 790, ""],
		  [  29416,  1.3, tr("TV Geminorum"), 770, ""],
		  [ 104451,  1.3, tr("T Cephei"), 742, ""],
		  [  54283,  0.5, tr("V382 Carinae"), 700, 
		  tr("Yellow hypergiant, one of the rarest types of star.")],
		  [ 113561,  0.5, tr("V509 Cassiopeiae"),650, 
		  tr("Yellow hypergiant, one of the rarest types of star.")],
		  [  25945,  0.5, tr("CE Tauri (\"Ruby Star\")"), 608, 
		  tr("Can be occulted by the Moon, allowing accurate determination\nof its apparent diameter.")],
		  [  23203,  1.0, tr("R Leporis (\"Hind's Crimson Star\")"), 500, 
		  tr("One of the largest carbon stars existent in the Milky Way Galaxy.")],
		  [  84345,  5.0, tr("Alpha Herculis (\"Ras Algethi\")"), 460, ""],
		  [ 117863,  1.8, tr("Rho Cassiopeiae"), 450, 
		  tr("A yellow hypergiant, one of the rarest types of a star.")],
		  [  10826,  0.5, tr("Mira A (Omicron Ceti)"), 400, 
		  tr("Prototype Mira variable")],
		  [  21479,  1.5, tr("R Doradus"), 370, 
		  tr("Star with the second largest apparent size after the Sun.")],
		  [  62223,  1.0, tr("La Superba (Y Canum Venaticorum)"), 215, 
		  tr("One of the coolest and reddest known stars.")],
		  [ 102098,  5.0, tr("Deneb (Alpha Cygni)"), 203, 
		  tr("19th brightest star in the night sky.")],
		  [  24436, 20.0, tr("Rigel A (Beta Orionis A)"), 78, 
		  tr("Seventh brightest star in the night sky.")],
		  [  30438, 20.0, tr("Canopus (Alpha Carinae)"), 65, 
		  tr("Second brightest star in the night sky.")],
		  [  21421, 20.0, tr("Aldebaran (Alpha Tauri)"), 44.2, ""],
		  [  108317, 0.5, tr("VV Cephei B"), 10, 
		  tr("The B-type main sequence companion of VV Cephei A.")]
		 ];

var color="#00AAFF";

core.clear("starchart");
GridLinesMgr.setFlagEquatorGrid(false);

core.setGuiVisible(false);
ConstellationMgr.setFlagArt(false);
ConstellationMgr.setFlagBoundaries(false);
ConstellationMgr.setFlagLines(false);
ConstellationMgr.setFlagLabels(false);
core.wait(3);

var vshift = 30;
var vstart = 90;

for (i=0; i<largeststar.length; i++)
{
	core.selectObjectByName("HIP" + largeststar[i][0], false);
	StelMovementMgr.setFlagTracking(true);
	StelMovementMgr.zoomTo(largeststar[i][1], 3);

	var lsname  = LabelMgr.labelScreen("#" + (i+1) + " - " + largeststar[i][2], 20, 20, false, 30, color);
	var lsinfo  = LabelMgr.labelScreen(largeststar[i][3] + " " + tr("Solar radii"), 20, 60, false, 20, color);
	var notes = largeststar[i][4].split("\n");
	var lsnotes = [];
	var cnt = notes.length;
	for (j=0; j<cnt; j++)
	{
		lsnotes[j] = LabelMgr.labelScreen(notes[j], 20, vstart + (vshift*j), false, 20, color);
	}

	LabelMgr.setLabelShow(lsname, true);
	LabelMgr.setLabelShow(lsinfo, true);
	for (j=0; j<cnt; j++)
	{
		LabelMgr.setLabelShow(lsnotes[j], true);
	}

	core.wait(5);

	LabelMgr.setLabelShow(lsname, false);
	LabelMgr.setLabelShow(lsinfo, false);
	for (j=0; j<cnt; j++)
	{
		LabelMgr.setLabelShow(lsnotes[j], false);
	}
	
	core.wait(1);
}
core.clear("natural");
core.setGuiVisible(true);
core.goHome();