Multi Lasers planetarium improvements
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nrhck
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@ -5,6 +5,16 @@ Multi Laser planetarium in python3
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Remember : LJ will automatically warp geometry according to alignement data. See webUI.
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Todo:
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- Validate aa2radec() with online calculator. Rewrite it to remove need for Astropy.
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- Findout how to use OSC in python 3.
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- Code WebUI page.
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- UpdateStars() in each laser sky. Get magnitude. See UpdateSolar for example.
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- Draw operations should also check visibility in the given laser altitude range.
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- Rewrite CityPosition() with proper search in a python dictionnary.
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- Better python code. Better varuable to understand easily Update() methods.
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LICENCE : CC
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'''
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@ -20,6 +30,7 @@ from astropy.time import Time
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from skyfield.api import Star, load, Topos,Angle
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from skyfield.data import hipparcos
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import json
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'''
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is_py2 = sys.version[0] == '2'
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@ -41,6 +52,8 @@ argsparser = argparse.ArgumentParser(description="Planetarium for LJ")
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argsparser.add_argument("-r","--redisIP",help="IP of the Redis server used by LJ (127.0.0.1 by default) ",type=str)
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argsparser.add_argument("-c","--client",help="LJ client number (0 by default)",type=int)
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argsparser.add_argument("-l","--laser",help="Laser number to be displayed (0 by default)",type=int)
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#argsparser.add_argument("-n","--name",help="City Name of the observer",type=str)
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#argsparser.add_argument("-r","--redisIP",help="Country code of the observer ",type=str)
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args = argsparser.parse_args()
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@ -51,9 +64,9 @@ else:
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ljclient = 0
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if args.laser:
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plnumber = args.laser
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lasernumber = args.laser
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else:
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plnumber = 0
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lasernumber = 0
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# Redis Computer IP
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if args.redisIP != None:
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@ -79,6 +92,8 @@ samparray = [0] * 100
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# Green rectangular shape :
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pl0 = [(100,300,65280),(200,300,65280),(200,200,65280),(100,200,65280),(100,300,65280)]
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# If you want to use rgb for color :
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def rgb2int(r,g,b):
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return int('0x%02x%02x%02x' % (r,g,b),0)
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@ -89,6 +104,7 @@ blue = rgb2int(0,0,255)
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green = rgb2int(0,255,0)
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def Proj(x,y,z,angleX,angleY,angleZ):
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rad = angleX * math.pi / 180
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@ -120,106 +136,323 @@ def Proj(x,y,z,angleX,angleY,angleZ):
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return (x,y)
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#
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# Objects in Planetarium Field of View
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# All the coordinates base functions
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#
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# Compute Equatorial Right Ascension and Declinaison from given observator Altitude and Azimuth
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'''
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To minize number of sky objects coordinates conversion : Change planetarium FOV in Ra Dec to select objects
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(planets, hipparcos,..). Then get those objects in AltAz coordinates.
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aa2radec compute Equatorial Right Ascension and Declinaison coordinates from given observator Altitude and Azimuth.
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Example ra,dec = aa2radec( azimuth = 0, altitude = 90, lati = 48.85341, longi = 2.3488, elevation = 100, t =AstroPyNow )
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with AstroPyNow = Time.now()
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'''
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def aa2radec(azimuth,altitude,lati,longi,elevation,t):
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#print ("az",azimuth,"alt",altitude,"lati",lati,"long",longi,"elev",elevation,"time",t)
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Observer = EarthLocation(lat=lati * u.deg, lon=longi *u.deg, height= elevation*u.m,)
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ObjectCoord = SkyCoord(alt = altitude * u.deg, az = azimuth *u.deg, obstime = t, frame = 'altaz', location = Observer)
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print("icrs",ObjectCoord.icrs)
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print("ICRS Right Ascension", ObjectCoord.icrs.ra)
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print("ICRS Declination", ObjectCoord.icrs.dec)
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#print("icrs",ObjectCoord.icrs)
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#print("ICRS Right Ascension", ObjectCoord.icrs.ra)
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#print("ICRS Declination", ObjectCoord.icrs.dec)
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return ObjectCoord.icrs.ra.degree, ObjectCoord.icrs.dec.degree
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# Compute given object apparent positions (ra,dec,alt,az) and distance from given gps earth position (in decimal degrees) at UTC time (in skyfield format)
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# Compute given object apparent positions (ra,dec,alt,az) and distance from given gps earth position (in decimal degrees) at UTC time (in skyfield format)
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def EarthObjPosition(gpslat,gpslong,object,t):
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Observer = earth + Topos(gpslat, gpslong)
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astrometric = earth.at(t).observe(object)
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ra, dec, distance = astrometric.radec()
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print("Right ascencion",ra)
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print("RA in degree",ra._degrees)
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print("RA in radians",ra.radians)
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print("declinaison",dec)
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print (distance)
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ApparentPosition = Observer.at(t).observe(object).apparent()
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alt, az, distance = ApparentPosition.altaz('standard')
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print("UTC",t.utc_iso())
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print ("Altitude",alt)
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print("Altitude in radians",alt.radians)
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print("Altitude in degrees",alt.degrees)
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print("Altitude in dms",alt.dms(0))
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print("Altitude in signed_dms",alt.signed_dms(0))
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print("Azimuth", az.dstr())
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print ("Distance from position", distance)
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return ra._degrees, dec, alt.degrees, az, distance
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#print (object, 'at', t.utc_iso())
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Observer = earth + Topos(gpslat, gpslong)
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astrometric = earth.at(t).observe(object)
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ra, dec, distance = astrometric.radec()
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'''
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print("Right ascencion",ra)
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print("RA in degree",ra._degrees)
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print("RA in radians",ra.radians)
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print("declinaison",dec)
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print (distance)
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'''
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ApparentPosition = Observer.at(t).observe(object).apparent()
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alt, az, distance = ApparentPosition.altaz('standard')
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'''
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print("UTC",t.utc_iso())
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print ("Altitude",alt)
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print("Altitude in radians",alt.radians)
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print("Altitude in degrees",alt.degrees)
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print("Altitude in dms",alt.dms(0))
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print("Altitude in signed_dms",alt.signed_dms(0))
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print("Azimuth", az.dstr())
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print ("Distance from position", distance)
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'''
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#return ra._degrees, dec, alt.degrees, az, distance
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return alt.degrees, az.degrees
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# Add Radec coordinates for all lasers from user defined Altaz coordinates in LaserSkies variable at given earth position and time.
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# LaserSkies : [LeftAzi, RightAzi, TopAlt, BotAlt, LeftRa, RightRa, TopDec, BottomDec]
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# 0 1 2 3 4 5 6 7
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def RadecSkies(LaserSkies,Skylat,Skylong,Skyelevation,AstroSkyTime):
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print()
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print("Converting", lasernumber, "LaserSkies limits in Right Ascension & Declination (radec) coordinates ")
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for laser in range(lasernumber):
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# Left top point
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LaserSkies[laser][4],LaserSkies[laser][6] = aa2radec(azimuth = LaserSkies[laser][0], altitude =LaserSkies[laser][2], lati = Skylat, longi = Skylong, elevation = Skyelevation, t =AstroSkyTime)
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# Right Bottom point
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LaserSkies[laser][5],LaserSkies[laser][7] = aa2radec(azimuth = LaserSkies[laser][1], altitude =LaserSkies[laser][3], lati = Skylat, longi = Skylong, elevation = Skyelevation, t =AstroSkyTime)
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print(LaserSkies)
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print ("Done.")
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def azimuth2scrX(leftAzi,rightAzi,s):
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a1, a2 = leftAzi,rightAzi
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b1, b2 = -width/2, width/2
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return b1 + ((s - a1) * (b2 - b1) / (a2 - a1))
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def altitude2scrY(topAlti,botAlti,s):
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a1, a2 = botAlti, topAlti
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b1, b2 = -heigth/2, heigth/2
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return b1 + ((s - a1) * (b2 - b1) / (a2 - a1))
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#
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# Solar System
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#
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def LoadSolar():
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global planets, SolarObjects, earth
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print("Loading Solar System (de421)...")
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# de421.bps https://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/planets/a_old_versions/de421.bsp
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planets = load('data/de421.bsp')
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earth = planets['earth']
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print('Loaded.')
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# de421 objects
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# [Object name, object altitude, object azimuth]
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SolarObjects = [['MERCURY',0.0, 0.0], ['VENUS', 0.0, 0.0], ['JUPITER BARYCENTER', 0.0, 0.0], ['SATURN BARYCENTER', 0.0, 0.0], ['URANUS BARYCENTER', 0.0, 0.0], ['NEPTUNE BARYCENTER', 0.0, 0.0], ['PLUTO BARYCENTER', 0.0, 0.0], ['SUN', 0.0, 0.0], ['MOON', 0.0, 0.0], ['MARS', 0.0, 0.0]]
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def UpdateSolar():
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global SolarObjects
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print()
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print("Updating solar system (de421) objects position for observer at", Skylat, Skylong, "time", SkyfieldTime.utc_iso())
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# Compute Alt Az coordinates for all solar objects for observer.
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for number,object in enumerate(SolarObjects):
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#print(object[0],number)
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SolarObjects[number][1],SolarObjects[number][2] = EarthObjPosition(Skylat,Skylong,planets[object[0]],SkyfieldTime)
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print (SolarObjects)
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print ("Done.")
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# Draw the SolarShapeObject for any Solar object is in the laser Sky
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def DrawSolar(LaserSkies, laser):
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for number,object in enumerate(SolarObjects):
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# Solar object is in given laser sky aeimuth range ?
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# Need to add an altitude check.
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if LaserSkies[laser][0] < SolarObjects[number][2] < LaserSkies[laser][1]:
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lj3.rPolyLineOneColor(SolarObjectShape, c = white, PL = laser, closed = False, xpos = azimuth2scrX(LaserSkies[laser][0],LaserSkies[laser][1],SolarObjects[number][2]), ypos = azimuth2scrY(LaserSkies[laser][2],LaserSkies[laser][3],SolarObjects[number][0]), resize = 2.5, rotx =0, roty =0 , rotz=0)
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#
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# Stars Objects
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#
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def LoadHipparcos(ts):
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global hipdata
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print("Loading hipparcos catalog...")
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#hipparcosURL = 'ftp://cdsarc.u-strasbg.fr/cats/I/239/hip_main.dat.gz'
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hipparcosURL = 'data/hip_main.dat.gz'
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with load.open(hipparcosURL) as f:
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hipdata = hipparcos.load_dataframe(f)
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print("Loaded.")
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hipparcos_epoch = ts.tt(1991.25)
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# CODE IMPORTED HERE FROM TESTS. NEEDS TO ADAPT
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# Star selection
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def StarSelect():
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hipparcos_epoch = ts.tt(1991.25)
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barnards_star = Star.from_dataframe(hipdata.loc[87937])
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polaris = Star.from_dataframe(hipdata.loc[11767])
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print()
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print ("Selecting sky portion")
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hipdatafilt = hipdata[hipdata['magnitude'] <= 2.5]
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print(('After filtering, there are {} stars with magnitude <= 2.5'.format(len(hipdatafilt))))
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bright_stars = Star.from_dataframe(hipdatafilt)
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print (hipdatafilt)
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#print (bright_stars)
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t = ts.utc(2018, 9, 3)
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'''
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Observer = earth + Topos(gpslat, gpslong)
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ApparentPosition = Observer.at(t).observe(bright_stars).apparent()
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alt, az, distance = ApparentPosition.altaz('standard')
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print(('Now there are {} azimuth'.format(len(az))))
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print(('and {} altitute'.format(len(alt))))
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'''
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print("Loading hipparcos catalog...")
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#hipparcosURL = 'ftp://cdsarc.u-strasbg.fr/cats/I/239/hip_main.dat.gz'
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hipparcosURL = 'data/hip_main.dat.gz'
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with load.open(hipparcosURL) as f:
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hipdata = hipparcos.load_dataframe(f)
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print("Loaded")
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astrometric = earth.at(t).observe(bright_stars)
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ra, dec, distance = astrometric.radec()
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print(('Now there are {} right ascensions'.format(len(ra.hours))))
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print(('and {} declinations'.format(len(dec.degrees))))
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Observer = earth + Topos(gpslat, gpslong)
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AP = Observer.at(t).observe(bright_stars)
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print ("AP",AP.apparent())
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# Sky objects
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ts = load.timescale()
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hipparcos_epoch = ts.tt(1991.25)
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barnards_star = Star.from_dataframe(hipdata.loc[87937])
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polaris = Star.from_dataframe(hipdata.loc[11767])
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# de421.bps https://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/planets/a_old_versions/de421.bsp
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planets = load('data/de421.bsp')
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print('de421 loaded.')
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earth = planets['earth']
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mars = planets['mars']
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# WORK IN PROGRESS
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# On Earth Gps positions
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# https://github.com/lutangar/cities.json.git
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#
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def LoadCities():
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global cities
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print("Loading World Cities GPS position...")
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f=open("data/cities.json","r")
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s = f.read()
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cities = json.loads(s)
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print("Loaded.")
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# search a city to get longitude and latitude. Need to understand python dictionnaries.
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def CityPositiion(cityname, countrycode):
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for city in range(len(cities['cities'])):
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if cities['cities'][city]['name']==cityname and cities['cities'][city]['country']==countrycode:
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'''
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print (cities['cities'][city]['country'])
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print (cities['cities'][city]['name'])
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print (cities['cities'][city]['lat'])
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print (cities['cities'][city]['lng'])
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'''
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return float(cities['cities'][city]['lat']), float(cities['cities'][city]['lng'])
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# Add Kompass letter to given laser point list if it is in laser sky at Y axis 300
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def DrawOrientation(LaserSkies, laser):
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# North direction is in given laser sky azimuth range?
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if LaserSkies[laser][0] < 0 < LaserSkies[laser][1]:
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lj3.Text("N",white,laser,azimuth2scrX(LaserSkies[laser][0],LaserSkies[laser][1],0),300)
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# East direction is in given laser sky azimuth range ?
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if LaserSkies[laser][0] < 90 < LaserSkies[laser][1]:
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lj3.Text("E",white,laser,azimuth2scrX(LaserSkies[laser][0],LaserSkies[laser][1],90),300)
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# South direction is in given laser sky azimuth range ?
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if LaserSkies[laser][0] < 180 < LaserSkies[laser][1]:
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lj3.Text("S",white,laser,azimuth2scrX(LaserSkies[laser][0],LaserSkies[laser][1],180),300)
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# West direction is in given laser sky azimuth range ?
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if LaserSkies[laser][0] < 270 < LaserSkies[laser][1]:
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lj3.Text("W",white,laser,azimuth2scrX(LaserSkies[laser][0],LaserSkies[laser][1],270),300)
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# Compute LaserSkies Coordinates
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def UpdateObserver(SkyCity, SkyCountryCode, time,ts):
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global LaserSkies, Skylat, Skylong, SkyfieldTime
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# Observer position i.e : Paris FR
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#Skylat = 48.85341 # decimal degree
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#Skylong = 2.3488 # decimal degree
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print()
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print("Observer GPS position and time...")
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Skylat, Skylong = CityPositiion(SkyCity,SkyCountryCode)
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print ("GPS Position of",SkyCity, "in", SkyCountryCode, ":",Skylat,Skylong)
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# City GPS altitude not in Cities database... Let's say it's :
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Skyelevation = 100 # meters
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# Observer Time : Now
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# Other time in Astropy style
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# times = '1999-01-01T00:00:00.123456789'
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# t = Time(times, format='isot', scale='utc')
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print()
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AstroSkyTime = time
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print ("AstroPyNow", AstroSkyTime)
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SkyfieldTime = ts.from_astropy(AstroSkyTime)
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print("Time from AstropyUTC",SkyfieldTime.utc_iso())
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print("Skyfield UTC",SkyfieldTime.utc_iso())
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# Computer for all Laser "skies" their Right Ascension/Declinaison coordinates from their Altitude/azimuth Coordinates.
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# to later select their visible objects in radec catalogs like hipparcos.
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# LaserSky definition for one laser (in decimal degrees) : [LeftAzi, RightAzi, TopAlt, BotAlt, LeftRa, RightRa, TopDec, BottomDec]
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# With 4 lasers with each one a quarter of the 360 ° real sky, there is 4 LaserSky :
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LaserSkies = [[0.0,90.0,90.0,0.0,0.0,0.0,0.0,0.0],[90,180,90,0,0,0,0,0],[180,270,90,0,0,0,0,0],[270,360,90,0,0,0,0,0]]
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RadecSkies(LaserSkies, Skylat, Skylong, Skyelevation, AstroSkyTime)
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#
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# Main functions
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#
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def DrawPL():
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def Planetarium():
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ts = load.timescale()
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LoadHipparcos(ts)
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LoadSolar()
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LoadCities()
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SkyCity = 'Paris'
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SkyCountryCode = 'FR'
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UpdateObserver(SkyCity, SkyCountryCode, Time.now(),ts)
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print()
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print ("Updating Sky Objects for current observer...")
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UpdateSolar()
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# UpdateStars() Todo
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DisplayStars = False
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DisplaySolar = True
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DisplayOrientation = True
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Shape = []
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counter =0
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||||
|
||||
while 1:
|
||||
t = ts.now()
|
||||
|
||||
gpslat = '48.866669 N'
|
||||
gpslong = '2.33333 E'
|
||||
'''
|
||||
for curve in np.arange(-1, 1, 0.2):
|
||||
zsine = ssine(100,5,curve+counter)
|
||||
for laser in range(lasernumber):
|
||||
|
||||
if DisplayOrientation:
|
||||
DrawOrientation(LaserSkies, laser)
|
||||
if DisplaySolar:
|
||||
DrawSolar()
|
||||
if DisplayStars:
|
||||
pass
|
||||
|
||||
lj3.DrawPL(laser)
|
||||
time.sleep(0.01)
|
||||
|
||||
|
||||
|
||||
Planetarium()
|
||||
|
||||
|
||||
zfactor = 7
|
||||
Shape = []
|
||||
x = curve
|
||||
#x = 0
|
||||
y = -1
|
||||
for step in zsine:
|
||||
Shape.append( Proj(x,y,step/zfactor,0,0,0))
|
||||
y += 0.02
|
||||
lj3.rPolyLineOneColor(Shape, c = white, PL = 0, closed = False, xpos = -450, ypos = -350, resize = 2.5, rotx =0, roty =0 , rotz=0)
|
||||
|
||||
lj3.DrawPL(0)
|
||||
'''
|
||||
counter += 0.001
|
||||
time.sleep(0.01)
|
||||
print("Running...")
|
||||
DrawPL()
|
||||
|
|
@ -129,7 +129,7 @@
|
|||
height: 323px;
|
||||
width: 124px;
|
||||
grid-template-columns: 62px 62px;
|
||||
grid-template-rows: 30px 19px 8px 55px 20px 19px 8px 55px 25px 19px 8px 55px 19px;
|
||||
grid-template-rows: 30px 19px 8px 55px 19px 20px 8px 55px 19px 25px 8px 55px 19px;
|
||||
background-color: #111;
|
||||
line-height: 1;
|
||||
justify-items: center;
|
||||
|
|
|
|||
Loading…
Reference in New Issue