def test_line_closest(): l=Line(Vertex(0,0),Vertex(10,0)) assert l.approx_closest(Vertex(5,0))==Vertex(5,0) assert l.approx_closest(Vertex(-5,0))==Vertex(0,0) assert l.approx_closest(Vertex(15,0))==Vertex(10,0) assert l.approx_closest(Vertex(5,5))==Vertex(5,0) assert abs(l.approx_dist(Vertex(5,5))-5)<1e-5 l=Line(Vertex(1127808,639680),Vertex(1120704,642752)) p=Vertex(1141685,587443) dist=l.approx_dist(p) print "Dist: ",dist assert abs(dist)<1141685
def get_notampoints_on_line(latlon1,latlon2,dist_nm): zoomlevel=13 distmax=mapper.approx_scale(mapper.latlon2merc(latlon1,zoomlevel),zoomlevel,dist_nm) px1,py1=mapper.latlon2merc(latlon1,zoomlevel) px2,py2=mapper.latlon2merc(latlon2,zoomlevel) a=Vertex(int(px1),int(py1)) b=Vertex(int(px2),int(py2)) line=Line(a,b) crosses=[] for kind,items in get_notam_objs_cached().items(): if kind!="areas": for item in items: x,y=mapper.latlon2merc(mapper.from_str(item['pos']),zoomlevel) d=line.approx_dist(Vertex(int(x),int(y))) clo=line.approx_closest(Vertex(int(x),int(y))) alongd=(clo-a).approxlength() totd=(a-b).approxlength() #print "AlongD: %s, totd: %s"%(alongd,totd) #print "Line: %s, notam coord: %s, closest: %s"%((a,b),(x,y),clo) #print "Item %s, d: %s, distmax: %s"%(item,d,distmax) if totd<1e-6: perc=0 else: perc=alongd/totd if d<distmax: #print "Yielding item." yield dict(item=item,alongperc=perc)
def get_airspace(self): utcnow = datetime.utcnow() try: zoomlevel = int(request.params['zoom']) except Exception: zoomlevel = session.get('zoom', 5) lat = float(request.params.get('lat')) lon = float(request.params.get('lon')) clickmerc = mapper.latlon2merc((lat, lon), zoomlevel) user = session.get('user', None) out = [] spaces = chain(get_airspaces(lat, lon), userdata.get_airspaces(lat, lon, user)) print "Spaces:", spaces def anydate(s): if not 'date' in s: return "" d = s['date'] age = utcnow - d if age > timedelta(367): return "<span style=\"font-size:10px\">[%d]</span>" % ( d.year, ) if age > timedelta(2): return "<span style=\"font-size:10px\">[%d%02d%02d]</span>" % ( d.year, d.month, d.day) return "" spacelist = spaces spaces = u"".join(u"<li><b>%s</b>%s: %s - %s%s</li>" % (space['name'], anydate(space), space['floor'], space['ceiling'], format_freqs(space['freqs'])) for space in sorted(spacelist, key=sort_airspace_key) if space['type'] != 'sector') #sectors=u"".join(u"<li><b>%s</b>%s: %s - %s%s</li>"%( # space['name'],anydate(space),space['floor'],space['ceiling'],format_freqs(space['freqs'])) for space in sorted( # spacelist,key=sort_airspace_key) if space['type']=='sectoasdfr') try: sectors = u"".join( u"<li><b>%s</b>%s: %s - %s%s</li>" % (space['name'], anydate(space), space['floor'], space['ceiling'], format_freqs(space['freqs'])) for space in sorted(spacelist, key=sort_airspace_key) if space['type'] == 'sector') if sectors != "": sectors = "<b>Sectors:</b><ul>" + sectors + "</ul>" except: print traceback.format_exc() sectors = "" if spaces == "": spaces = "No airspace found" mapviewurl = h.url_for(controller="mapview", action="index") notamlist = chain(get_notam_areas(lat, lon), get_notampoints(lat, lon, zoomlevel)) notams = dict([(n['notam'].strip(), (n['notam_ordinal'], n['notam_line'])) for n in notamlist]) notamareas = "".join( "<li>%s <b><u><a href=\"javascript:navigate_to('%s#notam')\">Link</a></u></b></li>" % (text, h.url_for(controller="notam", action="show_ctx", backlink=mapviewurl, notam=notam, line=line)) for text, (notam, line) in notams.items()) if notamareas != "": notamareas = "<b>Area Notams:</b><ul>" + notamareas + "</ul>" aip_sup_strs = "".join([ "<li>%s <a href=\"%s\">link</a></li>" % (x['name'], x['url'].replace(" ", "%20")) for x in get_aip_sup_areas(lat, lon) ]) if aip_sup_strs: aip_sup_strs = "<b>AIP SUP:</b><ul>" + aip_sup_strs + "</ul>" obstbytype = dict() for obst in chain(get_obstacles(lat, lon, zoomlevel), userdata.get_obstacles(lat, lon, zoomlevel, user)): obstbytype.setdefault(obst['kind'], []).append(obst) print "processing", obst obstacles = [] if len(obstbytype): for kind, obsts in sorted(obstbytype.items()): obstacles.append("<b>" + kind + ":</b>") obstacles.append(u"<ul>") for obst in obsts: obstacles.append(u"<li><b>%s</b>: %s ft</li>" % (obst['name'], obst['elev'])) obstacles.append(u"</ul>") tracks = [] if session.get('showtrack', None) != None: track = session.get('showtrack') #print "%d points"%(len(track.points)) mindiff = 1e30 found = dict() hdg = 0 speed = 0 clickvec = Vertex(int(clickmerc[0]), int(clickmerc[1])) if len(track.points) > 0 and len(track.points[0]) == 2: pass #Old style track, not supported anymore else: for a, b in izip(track.points, track.points[1:]): merc = mapper.latlon2merc(a[0], zoomlevel) nextmerc = mapper.latlon2merc(b[0], zoomlevel) l = Line(Vertex(int(merc[0]), int(merc[1])), Vertex(int(nextmerc[0]), int(nextmerc[1]))) diff = l.approx_dist(clickvec) if diff < mindiff: mindiff = diff found = (a, b) if mindiff < 10: tracks.append( u"<b>GPS track:</b><ul><li>%(when)s - %(altitude)d ft hdg:%(heading)03d spd: %(speed)d kt</li></ul>" % (get_stats(*found))) airports = [] fields = list( chain(get_airfields(lat, lon, zoomlevel), userdata.get_airfields(lat, lon, zoomlevel, user))) if len(fields): airports.append("<b>Airfield:</b><ul>") for airp in fields: #print "clicked on ",airp linksstr = "" links = [] if 'flygkartan_id' in airp: links.append(('http://www.flygkartan.se/0%s' % (airp['flygkartan_id'].strip(), ), 'www.flygkartan.se')) if 'aiptexturl' in airp: links.append((airp['aiptexturl'], 'AIP Text')) if 'aipvacurl' in airp: links.append( (airp['aipvacurl'], 'AIP Visual Approach Chart')) if False and 'aipsup' in airp: #Using AIP SUP for opening hours has stopped. links.append((extracted_cache.get_se_aip_sup_hours_url(), "AIP SUP Opening Hours")) weather = "" if airp.get('icao', 'ZZZZ').upper() != 'ZZZZ': icao = airp['icao'].upper() metar = metartaf.get_metar(icao) taf = metartaf.get_taf(icao) weather = "<table>" def colorize(item, colfac=1): if item == None: col = "ffffff" agestr = "" else: age = metartaf.get_data_age(item) if age == None: col = "ffffff" agestr = "" elif age < timedelta(0, 60 * 35 * colfac): col = "c5c5c5" agestr = "%d minutes" % (int(age.seconds / 60)) elif age < timedelta(0, 60 * 60 * colfac): col = "ffff30" agestr = "%d minutes" % (int(age.seconds / 60)) else: col = "ff3030" if age < timedelta(2): if age < timedelta(0, 3600 * 1.5): agestr = "%d minutes" % int( age.seconds / 60) else: agestr = "%d hours" % int( 0.5 + (age.seconds) / 3600.0) else: agestr = "%d days" % (int(age.days)) return "style=\"background:#" + col + "\" title=\"" + agestr + " old.\"" if taf and taf.text: weather += "<tr valign=\"top\"><td>TAF:</td><td " + colorize( taf, 5) + ">" + taf.text + "</td></tr>" if metar and metar.text: weather += "<tr valign=\"top\"><td>METAR:</td><td " + colorize( metar) + ">" + metar.text + "</td></tr>" ack_cnt = meta.Session.query( NotamAck.appearnotam, NotamAck.appearline, sa.func.count('*').label('acks')).filter( NotamAck.user == session.get( 'user', None)).group_by( NotamAck.appearnotam, NotamAck.appearline).subquery() notams = meta.Session.query( NotamUpdate, ack_cnt.c.acks, Notam.downloaded ).outerjoin( (ack_cnt, sa.and_( NotamUpdate.appearnotam == ack_cnt.c.appearnotam, NotamUpdate.appearline == ack_cnt.c.appearline)) ).outerjoin( (Notam, Notam.ordinal == NotamUpdate.appearnotam)).order_by( sa.desc(Notam.downloaded)).filter( sa.and_( NotamUpdate.disappearnotam == sa.null(), NotamUpdate.category.like(icao.upper() + "/%"))).all() print "notams:", repr(notams) if notams: nots = [] for notam, ack, downloaded in notams: nots.append( "<div style=\"border:1px solid;margin:3px;border-color:#B8B8B8;padding:3px;\">%s</div>" % (cgi.escape(notam.text))) weather += "<tr valign=\"top\"><td colspan=\"2\">NOTAM:</td></tr><tr><td colspan=\"2\">%s</td></tr>" % ( "".join(nots)) weather += "</table>" meta.Session.flush() meta.Session.commit() if len(links) > 0 and 'icao' in airp: linksstr = helpers.foldable_links(airp['icao'] + "links", links) rwys = [] if 'runways' in airp: for rwy in airp['runways']: ends = [] for end in rwy['ends']: ends.append(end['thr']) surf = "" if 'surface' in rwy: surf = "(" + rwy['surface'] + ")" rwys.append("/".join(ends) + surf) if len(rwys): rwys = ["<b> Runways</b>: "] + [", ".join(rwys)] remark = "" if airp.get('remark'): remark = "<div style=\"border:1px solid;margin:3px;border-color:#B8B8B8;padding:3px;background-color:#ffffe0\"><b>Remark:</b> " + cgi.escape( airp['remark']) + "</div>" airports.append(u"<li><b>%s</b> - %s%s%s%s%s</li>" % (airp.get('icao', 'ZZZZ'), airp['name'], linksstr, remark, " ".join(rwys), weather)) airports.append("</ul>") sigpoints = [] sigps = list( chain(get_sigpoints(lat, lon, zoomlevel), userdata.get_sigpoints(lat, lon, zoomlevel, user))) if len(sigps): sigpoints.append("<b>Sig. points</b><ul>") for sigp in sigps: sigpoints.append( u"<li><b>%s</b>(%s)</li>" % (sigp['name'], sigp.get('kind', 'unknown point'))) sigpoints.append("</ul>") firs = [] for fir in list(get_firs( (lat, lon))) + list(userdata.get_firs(lat, lon, user)): if 'icao' in fir: firs.append("%s (%s)" % (fir['name'], fir['icao'])) if not firs: firs.append("Unknown") variation = '?' terrelev = get_terrain_elev((lat, lon), zoomlevel) try: varf = geomag.calc_declination((lat, lon), utcnow, (terrelev + 1000)) variation = u"%+.1f°" % (varf, ) except Exception: pass weather = "" try: when, valid, fct = gfs_weather.get_prognosis(datetime.utcnow()) qnh = fct.get_qnh(lat, lon) out = [ "<b>Weather</b><br/>Forecast: %sZ, valid: %sZ<br />" % (when.strftime("%Y-%m-%d %H:%M"), valid.strftime("%H:%M")) ] try: out.append("Surface wind: %.0f deg, %.1f knots<br />" % fct.get_surfacewind(lat, lon)) out.append("Surface RH: %.0f%%<br />" % (fct.get_surfacerh(lat, lon), )) except: print traceback.format_exc() out.append("<ul>") for fl, dir, st, temp in fct.get_winds(lat, lon): out.append("<li>FL%02d: %03d deg, %.1fkt, %.1f °C" % (int(fl), int(dir), float(st), temp)) out.append("</ul>QNH: %d<br/><br/>" % (qnh, )) weather = "".join(out) except Exception: print traceback.format_exc() return "<b>Airspace:</b><ul><li><b>FIR:</b> %s</li>%s</ul>%s%s%s%s%s%s%s<br/>%s<b>Terrain: %s ft, Var: %s</b>" % ( ", ".join(firs), spaces, sectors, aip_sup_strs, "".join(obstacles), "".join(airports), "".join(tracks), "".join(sigpoints), notamareas, weather, terrelev, variation)
def get_airspace(self): utcnow=datetime.utcnow() try: zoomlevel=int(request.params['zoom']) except Exception: zoomlevel=session.get('zoom',5) lat=float(request.params.get('lat')) lon=float(request.params.get('lon')) clickmerc=mapper.latlon2merc((lat,lon),zoomlevel) user=session.get('user',None) out=[] spaces=chain(get_airspaces(lat,lon),userdata.get_airspaces(lat,lon,user)) print "Spaces:",spaces def anydate(s): if not 'date' in s: return "" d=s['date'] age=utcnow-d if age>timedelta(367): return "<span style=\"font-size:10px\">[%d]</span>"%(d.year,) if age>timedelta(2): return "<span style=\"font-size:10px\">[%d%02d%02d]</span>"%( d.year,d.month,d.day) return "" spacelist=spaces spaces=u"".join(u"<li><b>%s</b>%s: %s - %s%s</li>"%( space['name'],anydate(space),space['floor'],space['ceiling'],format_freqs(space['freqs'])) for space in sorted( spacelist,key=sort_airspace_key) if space['type']!='sector') #sectors=u"".join(u"<li><b>%s</b>%s: %s - %s%s</li>"%( # space['name'],anydate(space),space['floor'],space['ceiling'],format_freqs(space['freqs'])) for space in sorted( # spacelist,key=sort_airspace_key) if space['type']=='sectoasdfr') try: sectors=u"".join(u"<li><b>%s</b>%s: %s - %s%s</li>"%( space['name'],anydate(space),space['floor'],space['ceiling'],format_freqs(space['freqs'])) for space in sorted( spacelist,key=sort_airspace_key) if space['type']=='sector') if sectors!="": sectors="<b>Sectors:</b><ul>"+sectors+"</ul>" except: print traceback.format_exc() sectors="" if spaces=="": spaces="No airspace found" mapviewurl=h.url_for(controller="mapview",action="index") notamlist=chain(get_notam_areas(lat,lon),get_notampoints(lat,lon,zoomlevel)) notams=dict([(n['notam'].strip(),(n['notam_ordinal'],n['notam_line']) ) for n in notamlist]) notamareas="".join("<li>%s <b><u><a href=\"javascript:navigate_to('%s#notam')\">Link</a></u></b></li>"%( text,h.url_for(controller="notam",action="show_ctx",backlink=mapviewurl,notam=notam,line=line)) for text,(notam,line) in notams.items()) if notamareas!="": notamareas="<b>Area Notams:</b><ul>"+notamareas+"</ul>" aip_sup_strs="".join(["<li>%s <a href=\"%s\">link</a></li>"%(x['name'],x['url'].replace(" ","%20")) for x in get_aip_sup_areas(lat,lon)]) if aip_sup_strs: aip_sup_strs="<b>AIP SUP:</b><ul>"+aip_sup_strs+"</ul>" obstbytype=dict() for obst in chain(get_obstacles(lat,lon,zoomlevel),userdata.get_obstacles(lat,lon,zoomlevel,user)): obstbytype.setdefault(obst['kind'],[]).append(obst) print "processing",obst obstacles=[] if len(obstbytype): for kind,obsts in sorted(obstbytype.items()): obstacles.append("<b>"+kind+":</b>") obstacles.append(u"<ul>") for obst in obsts: obstacles.append(u"<li><b>%s</b>: %s ft</li>"%(obst['name'],obst['elev'])) obstacles.append(u"</ul>") tracks=[] if session.get('showtrack',None)!=None: track=session.get('showtrack') #print "%d points"%(len(track.points)) mindiff=1e30 found=dict() hdg=0 speed=0 clickvec=Vertex(int(clickmerc[0]),int(clickmerc[1])) if len(track.points)>0 and len(track.points[0])==2: pass #Old style track, not supported anymore else: for a,b in izip(track.points,track.points[1:]): merc=mapper.latlon2merc(a[0],zoomlevel) nextmerc=mapper.latlon2merc(b[0],zoomlevel) l=Line(Vertex(int(merc[0]),int(merc[1])),Vertex(int(nextmerc[0]),int(nextmerc[1]))) diff=l.approx_dist(clickvec) if diff<mindiff: mindiff=diff found=(a,b) if mindiff<10: tracks.append(u"<b>GPS track:</b><ul><li>%(when)s - %(altitude)d ft hdg:%(heading)03d spd: %(speed)d kt</li></ul>"%(get_stats(*found))) airports=[] fields=list(chain(get_airfields(lat,lon,zoomlevel),userdata.get_airfields(lat,lon,zoomlevel,user))) if len(fields): airports.append("<b>Airfield:</b><ul>") for airp in fields: #print "clicked on ",airp linksstr="" links=[] if 'flygkartan_id' in airp: links.append(('http://www.flygkartan.se/0%s'%(airp['flygkartan_id'].strip(),), 'www.flygkartan.se')) if 'aiptexturl' in airp: links.append((airp['aiptexturl'], 'AIP Text')) if 'aipvacurl' in airp: links.append((airp['aipvacurl'], 'AIP Visual Approach Chart')) if False and 'aipsup' in airp: #Using AIP SUP for opening hours has stopped. links.append(( extracted_cache.get_se_aip_sup_hours_url(), "AIP SUP Opening Hours")) weather="" if airp.get('icao','ZZZZ').upper()!='ZZZZ': icao=airp['icao'].upper() metar=metartaf.get_metar(icao) taf=metartaf.get_taf(icao) weather="<table>" def colorize(item,colfac=1): if item==None: col="ffffff" agestr="" else: age=metartaf.get_data_age(item) if age==None: col="ffffff" agestr="" elif age<timedelta(0,60*35*colfac): col="c5c5c5" agestr="%d minutes"%(int(age.seconds/60)) elif age<timedelta(0,60*60*colfac): col="ffff30" agestr="%d minutes"%(int(age.seconds/60)) else: col="ff3030" if age<timedelta(2): if age<timedelta(0,3600*1.5): agestr="%d minutes"%int(age.seconds/60) else: agestr="%d hours"%int(0.5+(age.seconds)/3600.0) else: agestr="%d days"%(int(age.days)) return "style=\"background:#"+col+"\" title=\""+agestr+" old.\"" if taf and taf.text: weather+="<tr valign=\"top\"><td>TAF:</td><td "+colorize(taf,5)+">"+taf.text+"</td></tr>" if metar and metar.text: weather+="<tr valign=\"top\"><td>METAR:</td><td "+colorize(metar)+">"+metar.text+"</td></tr>" ack_cnt = meta.Session.query(NotamAck.appearnotam,NotamAck.appearline,sa.func.count('*').label('acks')).filter(NotamAck.user==session.get('user',None)).group_by(NotamAck.appearnotam,NotamAck.appearline).subquery() notams=meta.Session.query(NotamUpdate,ack_cnt.c.acks,Notam.downloaded).outerjoin( (ack_cnt,sa.and_( NotamUpdate.appearnotam==ack_cnt.c.appearnotam, NotamUpdate.appearline==ack_cnt.c.appearline))).outerjoin( (Notam,Notam.ordinal==NotamUpdate.appearnotam) ).order_by(sa.desc(Notam.downloaded)).filter( sa.and_(NotamUpdate.disappearnotam==sa.null(), NotamUpdate.category.like(icao.upper()+"/%") )).all() print "notams:",repr(notams) if notams: nots=[] for notam,ack,downloaded in notams: nots.append("<div style=\"border:1px solid;margin:3px;border-color:#B8B8B8;padding:3px;\">%s</div>"%(cgi.escape(notam.text))) weather+="<tr valign=\"top\"><td colspan=\"2\">NOTAM:</td></tr><tr><td colspan=\"2\">%s</td></tr>"%("".join(nots)) weather+="</table>" meta.Session.flush() meta.Session.commit() if len(links)>0 and 'icao' in airp: linksstr=helpers.foldable_links(airp['icao']+"links",links) rwys=[] if 'runways' in airp: for rwy in airp['runways']: ends=[] for end in rwy['ends']: ends.append(end['thr']) surf="" if 'surface' in rwy: surf="("+rwy['surface']+")" rwys.append("/".join(ends)+surf) if len(rwys): rwys=["<b> Runways</b>: "]+[", ".join(rwys)] remark="" if airp.get('remark'): remark="<div style=\"border:1px solid;margin:3px;border-color:#B8B8B8;padding:3px;background-color:#ffffe0\"><b>Remark:</b> "+cgi.escape(airp['remark'])+"</div>" airports.append(u"<li><b>%s</b> - %s%s%s%s%s</li>"%(airp.get('icao','ZZZZ'),airp['name'],linksstr,remark," ".join(rwys),weather)) airports.append("</ul>") sigpoints=[] sigps=list(chain(get_sigpoints(lat,lon,zoomlevel),userdata.get_sigpoints(lat,lon,zoomlevel,user))) if len(sigps): sigpoints.append("<b>Sig. points</b><ul>") for sigp in sigps: sigpoints.append(u"<li><b>%s</b>(%s)</li>"%(sigp['name'],sigp.get('kind','unknown point'))) sigpoints.append("</ul>") firs=[] for fir in list(get_firs((lat,lon)))+list(userdata.get_firs(lat,lon,user)): if 'icao' in fir: firs.append("%s (%s)"%(fir['name'],fir['icao'])) if not firs: firs.append("Unknown") variation='?' terrelev=get_terrain_elev((lat,lon),zoomlevel) try: varf=geomag.calc_declination((lat,lon),utcnow,(terrelev+1000)) variation=u"%+.1f°"%(varf,) except Exception: pass weather="" try: when,valid,fct=gfs_weather.get_prognosis(datetime.utcnow()) qnh=fct.get_qnh(lat,lon) out=["<b>Weather</b><br/>Forecast: %sZ, valid: %sZ<br />"%(when.strftime("%Y-%m-%d %H:%M"),valid.strftime("%H:%M"))] try: out.append("Surface wind: %.0f deg, %.1f knots<br />"%fct.get_surfacewind(lat,lon)) out.append("Surface RH: %.0f%%<br />"%(fct.get_surfacerh(lat,lon),)) except: print traceback.format_exc() out.append("<ul>") for fl,dir,st,temp in fct.get_winds(lat,lon): out.append("<li>FL%02d: %03d deg, %.1fkt, %.1f °C"%(int(fl),int(dir),float(st),temp)) out.append("</ul>QNH: %d<br/><br/>"%(qnh,)) weather="".join(out) except Exception: print traceback.format_exc() return "<b>Airspace:</b><ul><li><b>FIR:</b> %s</li>%s</ul>%s%s%s%s%s%s%s<br/>%s<b>Terrain: %s ft, Var: %s</b>"%(", ".join(firs),spaces,sectors,aip_sup_strs,"".join(obstacles),"".join(airports),"".join(tracks),"".join(sigpoints),notamareas,weather,terrelev,variation)