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 follow_along(context,start,end,longwayround=False):
out=[]
for merc in follow_along13(context,
mapper.latlon2merc(start,13),
mapper.latlon2merc(end,13),longwayround=longwayround):
out.append( mapper.merc2latlon(merc,13) )
return out
def set_pos_zoom(self,latlon=None,zoom=None):
#print "Setting pos to %s"%(latlon,)
if latlon==None:
assert zoom==None
zoomlevel=session.get('zoom',None)
if zoomlevel==None:
zoomlevel=5
merc_x,merc_y=mapper.latlon2merc((58,18),zoomlevel)
else:
merc_x,merc_y=session['last_pos']
else:
assert zoom!=None
zoomlevel=zoom
if zoomlevel<5:
zoomlevel=5
if session.get('mapvariant',None)=='elev':
if zoomlevel>8: zoomlevel=8
else:
if zoomlevel>13: zoomlevel=13
merc_x,merc_y=mapper.latlon2merc(latlon,zoomlevel)
merc_limx1,merc_limy1,merc_limx2,merc_limy2=merc_limits(zoomlevel,conservative=False,hd=True)
if merc_x>merc_limx2: merc_x=merc_limx2
if merc_y>merc_limy2: merc_y=merc_limy2
if merc_x<merc_limx1: merc_x=merc_limx1
if merc_y<merc_limy1: merc_y=merc_limy1
session['last_pos']=(merc_x,merc_y)
session['zoom']=zoomlevel
print "Setting pos to %s, zoom = %d"%(mapper.merc2latlon(session['last_pos'],zoomlevel),zoomlevel)
session.save()
def weather(self):
dummy,routes=get_route(tripuser(),request.params['tripname'])
ret=[]
alts=request.params.get('alts','')
if alts==None:
altvec=[]
else:
altvec=alts.split(",")
for route,altitude in zip(routes,altvec):
#print("Looking for waypoint: %s"%(way.pos,))
try:
mapper.parse_elev(altitude)
except mapper.NotAnAltitude,cause:
ret.append(['',''])
continue #skip this alt
#N+1 selects....
merc1=mapper.latlon2merc(mapper.from_str(route.a.pos),14)
merc2=mapper.latlon2merc(mapper.from_str(route.a.pos),14)
center=(0.5*(merc1[0]+merc2[0]),0.5*(merc1[1]+merc2[1]))
lat,lon=mapper.merc2latlon(center,14)
#print "Fetching weather for %s,%s, %s"%(lat,lon,route.altitude)
when=route.depart_dt+(route.arrive_dt-route.depart_dt)/2
dummy1,dummy2,we=gfs_weather.get_prognosis(when)
if we==None:
return ""; #Fail completely we don't have the weather here. We only succeed if we have weather for all parts of the journey.
else:
try:
wi=we.get_wind(lat,lon,mapper.parse_elev(altitude))
except:
print traceback.format_exc()
return ""
#print "Got winds:",wi
ret.append([wi['direction'],wi['knots']])
def weather(self):
dummy, routes = get_route(tripuser(), request.params['tripname'])
ret = []
alts = request.params.get('alts', '')
if alts == None:
altvec = []
else:
altvec = alts.split(",")
for route, altitude in zip(routes, altvec):
#print("Looking for waypoint: %s"%(way.pos,))
try:
mapper.parse_elev(altitude)
except mapper.NotAnAltitude, cause:
ret.append(['', ''])
continue #skip this alt
#N+1 selects....
merc1 = mapper.latlon2merc(mapper.from_str(route.a.pos), 14)
merc2 = mapper.latlon2merc(mapper.from_str(route.a.pos), 14)
center = (0.5 * (merc1[0] + merc2[0]), 0.5 * (merc1[1] + merc2[1]))
lat, lon = mapper.merc2latlon(center, 14)
#print "Fetching weather for %s,%s, %s"%(lat,lon,route.altitude)
when = route.depart_dt + (route.arrive_dt - route.depart_dt) / 2
dummy1, dummy2, we = gfs_weather.get_prognosis(when)
if we == None:
return ""
#Fail completely we don't have the weather here. We only succeed if we have weather for all parts of the journey.
else:
try:
wi = we.get_wind(lat, lon, mapper.parse_elev(altitude))
except:
print traceback.format_exc()
return ""
#print "Got winds:",wi
ret.append([wi['direction'], wi['knots']])
def draw_cmds():
for d in ad['physical']:
yield (mapper.latlon2merc(mapper.from_str(getpos(d[0])),
20),
mapper.latlon2merc(mapper.from_str(getpos(d[1])),
20), d[0]['name'], d[1]['name'],
d[0]['threshold'], d[1]['threshold'])
def set_pos_zoom(self, latlon=None, zoom=None):
#print "Setting pos to %s"%(latlon,)
if latlon == None:
assert zoom == None
zoomlevel = session.get('zoom', None)
if zoomlevel == None:
zoomlevel = 5
merc_x, merc_y = mapper.latlon2merc((58, 18), zoomlevel)
else:
merc_x, merc_y = session['last_pos']
else:
assert zoom != None
zoomlevel = zoom
if zoomlevel < 5:
zoomlevel = 5
if session.get('mapvariant', None) == 'elev':
if zoomlevel > 8: zoomlevel = 8
else:
if zoomlevel > 13: zoomlevel = 13
merc_x, merc_y = mapper.latlon2merc(latlon, zoomlevel)
merc_limx1, merc_limy1, merc_limx2, merc_limy2 = merc_limits(
zoomlevel, conservative=False, hd=True)
if merc_x > merc_limx2: merc_x = merc_limx2
if merc_y > merc_limy2: merc_y = merc_limy2
if merc_x < merc_limx1: merc_x = merc_limx1
if merc_y < merc_limy1: merc_y = merc_limy1
session['last_pos'] = (merc_x, merc_y)
session['zoom'] = zoomlevel
print "Setting pos to %s, zoom = %d" % (mapper.merc2latlon(
session['last_pos'], zoomlevel), zoomlevel)
session.save()
def get_airspaces_on_line(latlon1,latlon2):
px1,py1=mapper.latlon2merc(latlon1,13)
px2,py2=mapper.latlon2merc(latlon2,13)
bb0=BoundingBox(min(px1,px2),min(py1,py2),max(px1,px2),max(py1,py2))
airsp=list(cache.get_airspaces_in_bb(bb0))
#print "Intsersecting with",list([a[1]['name'] for a in airsp])
spaces=get_polygons_on_line2(latlon1,latlon2,airsp)
return spaces
def follow_along(context, start, end, longwayround=False):
out = []
for merc in follow_along13(context,
mapper.latlon2merc(start, 13),
mapper.latlon2merc(end, 13),
longwayround=longwayround):
out.append(mapper.merc2latlon(merc, 13))
return out
def get_sigpoints(lat,lon,zoomlevel):
clickx,clicky=mapper.latlon2merc((lat,lon),13)
rad=8<<(13-zoomlevel)
bb=BoundingBox(clickx-rad,clicky-rad,clickx+rad,clicky+rad)
out=[]
for sigp in cache.get_sig_points_in_bb(bb):
x,y=mapper.latlon2merc(mapper.from_str(sigp['pos']),zoomlevel)
d=(clickx-x)**2+(clicky-y)**2
out.append((d,sigp))
return [sigp for d,sigp in sorted(out)]
def get_notampoints(lat,lon,zoomlevel):
clickx,clicky=mapper.latlon2merc((lat,lon),zoomlevel)
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)
radius=10
d=(clickx-x)**2+(clicky-y)**2
if d<=(radius)**2:
yield item
def get_polygons_on_line2(latlon1,latlon2,polyspaces):
zoomlevel=13
px1,py1=mapper.latlon2merc(latlon1,zoomlevel)
px2,py2=mapper.latlon2merc(latlon2,zoomlevel)
line=Line(Vertex(int(px1),int(py1)),Vertex(int(px2),int(py2)))
crosses=[]
for poly,space in polyspaces:
if len(poly.intersect_line(line))>0:
crosses.append(space)
#print "Is crossing"
else:
pass#print "Is NOT crossing"
return crosses
def get_airfields(lat,lon,zoomlevel):
clickx,clicky=mapper.latlon2merc((lat,lon),13)
rad=10
if zoomlevel>=10:
rad<<=(zoomlevel-10)
rad<<=(13-zoomlevel)
bb=BoundingBox(clickx-rad,clicky-rad,clickx+rad,clicky+rad)
out=[]
for airp in cache.get_airfields_in_bb(bb):
x,y=mapper.latlon2merc(mapper.from_str(airp['pos']),zoomlevel)
d=(clickx-x)**2+(clicky-y)**2
out.append((d,airp))
return [airp for d,airp in sorted(out)]
def get_all_tiles_near(routes,zoomlevel,dist_nm,tilesize):
resultset=set()
for rt in routes:
m1=mapper.latlon2merc(mapper.from_str(rt.a.pos),zoomlevel)
m2=mapper.latlon2merc(mapper.from_str(rt.b.pos),zoomlevel)
av=Vertex(int(m1[0]),int(m1[1]))
bv=Vertex(int(m2[0]),int(m2[1]))
l=Line(av,bv)
startmerc=clampmerc(m1,tilesize)
maxdist=mapper.approx_scale(startmerc,zoomlevel,dist_nm)
maxdist+=3*tilesize/2
fill(l,startmerc,zoomlevel=zoomlevel,maxdist=maxdist,tilesize=tilesize,result=resultset)
return resultset
def verify(src, zoomlevel):
limitx1, limity1 = mapper.latlon2merc((63, 15), zoomlevel)
limitx1 = int(limitx1)
limity1 = int(limity1)
tilesizemask = tilesize - 1
limitx1 &= ~tilesizemask
limity1 &= ~tilesizemask
srcblob = BlobFile(src + "%d" % (zoomlevel,), tilesize=tilesize)
f = 16
im = Image.new("RGB", (f * tilesize, f * tilesize))
basey = 0
for by in xrange(limity1, limity1 + f * tilesize, tilesize):
basex = 0
print "DOne: %f" % (basey / float(f * tilesize))
for bx in xrange(limitx1, limitx1 + f * tilesize, tilesize):
b = srcblob.get_tile(bx, by)
if b == None:
print "NO tile at ", bx, by
basex += tilesize
continue
print "found tile at ", bx, by
assert len(b) == 4 * tilesize * tilesize
fi = StringIO(b)
for i in xrange(tilesize):
for j in xrange(tilesize):
# lo=unpack(">h",fi.read(2))[0]
hi = unpack(">h", fi.read(2))[0]
im.putpixel((basex + j, basey + i), (hi / 6, hi / 6, hi / 6.0))
basex += tilesize
basey += tilesize
im.save("out-%d.png" % (zoomlevel,))
def follow_along13(context, start, end, longwayround=False):
if type(context) == list:
borders = [[
mapper.latlon2merc(mapper.from_str(x), 13) for x in points
] for points in context]
else:
borders = get_borders(context)
print "start,end", start, end
part1, idx1, pos1 = find_closest(borders, start)
part2, idx2, pos2 = find_closest(borders, end)
print "Found", pos1, pos2
if part1 != part2:
raise Exception("Start and endpoint are not on same island!")
part = part1
print "from,to", idx1, idx2
if idx1 == idx2:
return [start, end]
res1, dist1 = circle(borders[part], pos1, idx1, idx2, pos2, -1)
res2, dist2 = circle(borders[part], pos1, idx1, idx2, pos2, 1)
if dist1 < dist2:
if longwayround:
ret = res2
else:
ret = res1
else:
if longwayround:
ret = res1
else:
ret = res2
return [start] + ret + [end]
def clean_up_polygon(poss):
print "Clean poly:", poss
def tov(merc):
return Vertex(int(merc[0]), int(merc[1]))
def fromv(v):
return (v.get_x(), v.get_y())
vertices = []
last = None
for pos in poss:
#print pos
if pos == last: continue
last = pos
vertices.append(tov(mapper.latlon2merc(mapper.from_str(pos), 13)))
poly = Polygon(vvector(vertices))
#print "calling tidy-up"
shape = tidy_up_polygon(poly)
ret = []
for poly in shape.get_polys():
#print "Got poly"
vs = poly.get_vertices()
out = []
for v in vs:
out.append(mapper.to_str(mapper.merc2latlon(fromv(v), 13)))
ret.append(out)
return ret
def verify(src, zoomlevel):
limitx1, limity1 = mapper.latlon2merc((63, 15), zoomlevel)
limitx1 = int(limitx1)
limity1 = int(limity1)
tilesizemask = tilesize - 1
limitx1 &= ~tilesizemask
limity1 &= ~tilesizemask
srcblob = BlobFile(src + "%d" % (zoomlevel, ), tilesize=tilesize)
f = 16
im = Image.new("RGB", (f * tilesize, f * tilesize))
basey = 0
for by in xrange(limity1, limity1 + f * tilesize, tilesize):
basex = 0
print "DOne: %f" % (basey / float(f * tilesize))
for bx in xrange(limitx1, limitx1 + f * tilesize, tilesize):
b = srcblob.get_tile(bx, by)
if b == None:
print "NO tile at ", bx, by
basex += tilesize
continue
print "found tile at ", bx, by
assert len(b) == 4 * tilesize * tilesize
fi = StringIO(b)
for i in xrange(tilesize):
for j in xrange(tilesize):
#lo=unpack(">h",fi.read(2))[0]
hi = unpack(">h", fi.read(2))[0]
im.putpixel((basex + j, basey + i),
(hi / 6, hi / 6, hi / 6.0))
basex += tilesize
basey += tilesize
im.save("out-%d.png" % (zoomlevel, ))
def get_airspaces(routes):
for routename,coords,altspec in routes:
sig=getsig(coords,altspec)
if (routename,sig) in predef:
#pobj=None
#for sroutename,ssig in predef:
# if routename==sroutename:
pobj=(routename,sig)
width_nm,floor,ceiling,coordstr=predef[pobj]
rawcoords=re.findall(ur"(\d{6}N)\s*(\d{7}E)",coordstr)
coords=[mapper.latlon2merc(mapper.from_str(mapper.parse_coords(lats,lons)),13) for lats,lons in rawcoords]
width=float(mapper.approx_scale(coords[0],13,1.25*width_nm))
try:
outline=get_outline(coords,width)
except Exception:
uprint(u"Trouble parsing %s"%(routename,))
raise
yield dict(name=routename,
floor=floor,
ceiling=ceiling,
freqs=[],
type="RNAV",
points=[mapper.to_str(mapper.merc2latlon(x,13)) for x in outline])
else:
uprint("Need to have predefine for route %s, with md5: %s"%(routename,sig))
uprint("Altitude, and points")
raise Exception('Missing predef for route. Use: ("%s","%s") : ( 10,"FL 65","FL 95","""\n\n """),'%(routename,sig))
def get_stuff_near_route(rts,items,dist,vertdist):
for item in items:
try:
itemmerc=mapper.latlon2merc(mapper.from_str(item['pos']),13)
except Exception:
print "Bad coord:",item['pos']
continue
itemv=Vertex(int(itemmerc[0]),int(itemmerc[1]))
onenm=mapper.approx_scale(itemmerc,13,1.0)
for rt in rts:
if rt.dt==None: continue
#print "========================================="
av=Vertex(int(rt.subposa[0]),int(rt.subposa[1]))
bv=Vertex(int(rt.subposb[0]),int(rt.subposb[1]))
l=Line(av,bv)
linelen=(bv-av).approxlength()
actualclosest=l.approx_closest(itemv)
#print item['name'],"A: ",av,"B: ",bv,"clo:",actualclosest
actualdist=(actualclosest-itemv).approxlength()/onenm
#print "Actualdist: ",actualdist
ls=(actualclosest-av).approxlength()
#print "Length from start:",ls
#print "Linelen:",linelen
if linelen>1e-3:
along=ls/linelen
else:
along=0
#print "Along:",along
#print "Startalt:",rt.startalt," endalt: ",rt.endalt
alongnm=rt.d*along
alongnm_a=rt.relstartd+alongnm
#print "NM from ",rt.a.waypoint," is ",alongnm_a
closealt=rt.startalt+(rt.endalt-rt.startalt)*along
#print "Altitude at point: ",closealt, " before: ",rt.a.waypoint,rt.b.waypoint
altmargin=0
if 'elev' in item:
itemalt=mapper.parse_elev(item['elev'])
altmargin=closealt-itemalt
else:
itemalt=None
altmargin=0
if actualdist<dist and altmargin<vertdist:
bear=mapper.approx_bearing_vec(actualclosest,itemv)
d=dict(item)
#print "Yielding."
d['name']=d['kind']+': ' +d['name']
d['dist_from_a']=alongnm_a
d['dist_from_b']=rt.outer_d-alongnm_a
d['dir_from_a']=describe_dir(rt.tt)
d['dir_from_b']=describe_dir((rt.tt+180.0)%360.0)
d['dist']=actualdist
d['bearing']=bear
d['elevf']=itemalt
if itemalt!=None:
d['vertmargin']=altmargin
d['closestalt']=closealt
d['a']=rt.a
d['b']=rt.b
d['id']=rt.a.id
yield d
def follow_along13(context,start,end,longwayround=False):
if type(context)==list:
borders=[[mapper.latlon2merc(mapper.from_str(x),13) for x in points] for points in context]
else:
borders=get_borders(context)
print "start,end",start,end
part1,idx1,pos1=find_closest(borders,start)
part2,idx2,pos2=find_closest(borders,end)
print "Found",pos1,pos2
if part1!=part2: raise Exception("Start and endpoint are not on same island!")
part=part1
print "from,to",idx1,idx2
if idx1==idx2:
return [start,end]
res1,dist1=circle(borders[part],pos1,idx1,idx2,pos2,-1)
res2,dist2=circle(borders[part],pos1,idx1,idx2,pos2,1)
if dist1<dist2:
if longwayround:
ret=res2
else:
ret=res1
else:
if longwayround:
ret=res1
else:
ret=res2
return [start]+ret+[end]
def clean_up_polygon(poss):
print "Clean poly:",poss
def tov(merc):
return Vertex(int(merc[0]),int(merc[1]))
def fromv(v):
return (v.get_x(),v.get_y())
vertices=[]
last=None
for pos in poss:
#print pos
if pos==last: continue
last=pos
vertices.append(tov(mapper.latlon2merc(mapper.from_str(pos),13)))
poly=Polygon(vvector(vertices))
#print "calling tidy-up"
shape=tidy_up_polygon(poly)
ret=[]
for poly in shape.get_polys():
#print "Got poly"
vs=poly.get_vertices()
out=[]
for v in vs:
out.append(mapper.to_str(mapper.merc2latlon(fromv(v),13)))
ret.append(out)
return ret
def get_pixel_radius(o,zoomlevel):
merc=mapper.latlon2merc(mapper.from_str(o['pos']),zoomlevel)
draw_radius_nm=(int(o['height'])*2.0*0.16e-3)
draw_radius_pixels=mapper.approx_scale(merc,zoomlevel,draw_radius_nm)
radius=draw_radius_pixels
if radius<4:
radius=4
return radius
def get_latlon_outline(latlonseq,width_nm):
print "Width nm:",width_nm
mercseq=[mapper.latlon2merc(mapper.from_str(ll),13) for ll in latlonseq]
width=float(mapper.approx_scale(mercseq[0],13,width_nm))
mercout=get_merc_outline(mercseq,width)
points=[mapper.to_str(mapper.merc2latlon(x,13)) for x in mercout]
return points
def get_weather(lat,lon):
zoomlevel=13
px,py=mapper.latlon2merc((lat,lon),zoomlevel)
w=Weather()
areas=weather_chart_areas.get_areas()
insides=[]
dists=[]
for name,area in areas.items():
poly_coords=[]
centerx=0.0
centery=0.0
for coord in area:
x,y=mapper.latlon2merc(coord,zoomlevel)
centerx+=x+0.0
centery+=y+0.0
poly_coords.append(Vertex(int(x),int(y)))
if len(poly_coords)<3:
print "Weather area %s has few points: %s "%(name,area)
continue
centerx/=len(poly_coords)
centery/=len(poly_coords)
cdist=(centerx-px)**2+(centery-py)**2
poly=Polygon(vvector(poly_coords))
if poly.is_inside(Vertex(int(px),int(py))):
cdist*=1e-3
insides.append((cdist,name,area))
#print "insides:",insides
insides.sort()
dist,name,area=insides[0]
if dist>20000**2:
return None
w.weather_area=name
mainarea,rest=name.split("_")
part=rest[:-2]
seg=rest[-2:]
try:
fc=get_parsed_weather()
except Exception,cause:
print "Couldn't fetch weather: ",cause #there's no weather service at certain times.
return None
def get_weather(lat, lon):
zoomlevel = 13
px, py = mapper.latlon2merc((lat, lon), zoomlevel)
w = Weather()
areas = weather_chart_areas.get_areas()
insides = []
dists = []
for name, area in areas.items():
poly_coords = []
centerx = 0.0
centery = 0.0
for coord in area:
x, y = mapper.latlon2merc(coord, zoomlevel)
centerx += x + 0.0
centery += y + 0.0
poly_coords.append(Vertex(int(x), int(y)))
if len(poly_coords) < 3:
print "Weather area %s has few points: %s " % (name, area)
continue
centerx /= len(poly_coords)
centery /= len(poly_coords)
cdist = (centerx - px)**2 + (centery - py)**2
poly = Polygon(vvector(poly_coords))
if poly.is_inside(Vertex(int(px), int(py))):
cdist *= 1e-3
insides.append((cdist, name, area))
#print "insides:",insides
insides.sort()
dist, name, area = insides[0]
if dist > 20000**2:
return None
w.weather_area = name
mainarea, rest = name.split("_")
part = rest[:-2]
seg = rest[-2:]
try:
fc = get_parsed_weather()
except Exception, cause:
print "Couldn't fetch weather: ", cause #there's no weather service at certain times.
return None
def run(path):
f = open(path)
lines = list(f)
calib = None
for line in lines:
if line.strip() == "": continue
name, coords = parse_line(line)
if name.count("(") == 1 and name.count(")") == 1:
#print "Calib:",name,coords
assert calib == None #only one calibration line per file, please
dummy, rest = name.split("(")
assert rest.endswith(")")
rest = rest[:-1]
geo_points = []
for c_str in rest.split("-"):
geo_point = []
for comp_str in c_str.split(","):
geo_point.append(float(comp_str.strip()))
geo_points.append(
tuple(
mapper.latlon2merc((geo_point[0], geo_point[1]),
zoomlevel)))
assert len(geo_points) == 2
#print "Geo_points:",geo_points
#print "Coords:",coords
geo_dist = vec_len(vec_sub(*geo_points))
coord_dist = vec_len(vec_sub(*coords))
geo_angle = get_angle(vec_sub(geo_points[1], geo_points[0]))
coord_angle = get_angle(vec_sub(coords[1], coords[0]))
##print "Geo angle: %f"%(geo_angle*180.0/math.pi)
#print "Coord angle: %f"%(coord_angle*180.0/math.pi)
coord_offset = vec_sub(geo_points[0], coords[0])
calib = dict(center_coord=coords[0],
center_geo_points=geo_points[0],
rotate=geo_angle - coord_angle,
scale=float(geo_dist) / float(coord_dist))
assert calib != None
#print calib
ret = dict()
for line in lines:
if line.strip() == "": continue
name, coords = parse_line(line)
#if name.count("(")!=1 or name.count(")")!=1:
geo_points = []
for cd in coords:
geo_points.append(fixup(cd, calib))
ret[name] = [mapper.merc2latlon(c, zoomlevel) for c in geo_points]
#print "Coords: %s, geo points: %s"%(coords,geo_points)
#print name,":","; ".join(format_latlon(mapper.merc2latlon(c,zoomlevel)) for c in geo_points)
return ret
def get_polygons_around(lat,lon,polys):
zoomlevel=13
px,py=mapper.latlon2merc((lat,lon),zoomlevel)
insides=[]
for space in polys:
poly_coords=[]
for coord in space['points']:
x,y=mapper.latlon2merc(mapper.from_str(coord),zoomlevel)
poly_coords.append(Vertex(int(x),int(y)))
if len(poly_coords)<3:
#print "Space %s has few points: %s "%(space['name'],space['points'])
continue
poly=Polygon(vvector(poly_coords))
#print "Checking if inside poly:",space
if poly.is_inside(Vertex(int(px),int(py))):
insides.append(space)
#print "Is inside"
else:
pass#print "Is NOT inside"
return insides
def get_obstacles(lat,lon,zoomlevel):
clickx,clicky=mapper.latlon2merc((lat,lon),13)
rad=8
if zoomlevel>=11:
rad+=(zoomlevel-11)*6
rad<<=(13-zoomlevel)
bb=BoundingBox(clickx-rad,clicky-rad,clickx+rad,clicky+rad)
#print "Looking for stuff in bb",bb
for obst in cache.get_obstacles_in_bb(bb):
#print "Got obstacle ",obst
yield obst
def get_terrain_elev_in_box_approx(latlon,nautmiles):
#nautmiles/=2
zoomlevel=8
merc_=mapper.latlon2merc(latlon,zoomlevel)
merc=(int(merc_[0]),int(merc_[1]))
pixels=mapper.approx_scale(merc, zoomlevel, nautmiles)
#print "Num pixels on zoomlevel 8",pixels," naut",nautmiles
del merc
del merc_
while pixels>4 and zoomlevel>0:
zoomlevel-=1
pixels/=2
#print "Pixels on zoom",zoomlevel,": ",pixels
pixels=int(pixels+0.5)
if pixels<=1: pixels=1
if zoomlevel>=8: zoomlevel=8
merc_=mapper.latlon2merc(latlon,zoomlevel)
merc=(int(merc_[0]),int(merc_[1]))
#print "Getting terrain zoomlevel ",zoomlevel
return get_terrain_elev_merc(merc,zoomlevel,(pixels,pixels))
def get_terrain_elev_in_box_approx(latlon, nautmiles):
#nautmiles/=2
zoomlevel = 8
merc_ = mapper.latlon2merc(latlon, zoomlevel)
merc = (int(merc_[0]), int(merc_[1]))
pixels = mapper.approx_scale(merc, zoomlevel, nautmiles)
#print "Num pixels on zoomlevel 8",pixels," naut",nautmiles
del merc
del merc_
while pixels > 4 and zoomlevel > 0:
zoomlevel -= 1
pixels /= 2
#print "Pixels on zoom",zoomlevel,": ",pixels
pixels = int(pixels + 0.5)
if pixels <= 1: pixels = 1
if zoomlevel >= 8: zoomlevel = 8
merc_ = mapper.latlon2merc(latlon, zoomlevel)
merc = (int(merc_[0]), int(merc_[1]))
#print "Getting terrain zoomlevel ",zoomlevel
return get_terrain_elev_merc(merc, zoomlevel, (pixels, pixels))
def run(path):
f=open(path)
lines=list(f)
calib=None
for line in lines:
if line.strip()=="": continue
name,coords=parse_line(line)
if name.count("(")==1 and name.count(")")==1:
#print "Calib:",name,coords
assert calib==None #only one calibration line per file, please
dummy,rest=name.split("(")
assert rest.endswith(")")
rest=rest[:-1]
geo_points=[]
for c_str in rest.split("-"):
geo_point=[]
for comp_str in c_str.split(","):
geo_point.append(float(comp_str.strip()))
geo_points.append(tuple(mapper.latlon2merc((geo_point[0],geo_point[1]),zoomlevel)))
assert len(geo_points)==2
#print "Geo_points:",geo_points
#print "Coords:",coords
geo_dist=vec_len(vec_sub(*geo_points))
coord_dist=vec_len(vec_sub(*coords))
geo_angle=get_angle(vec_sub(geo_points[1],geo_points[0]))
coord_angle=get_angle(vec_sub(coords[1],coords[0]))
##print "Geo angle: %f"%(geo_angle*180.0/math.pi)
#print "Coord angle: %f"%(coord_angle*180.0/math.pi)
coord_offset=vec_sub(geo_points[0],coords[0])
calib=dict(
center_coord=coords[0],
center_geo_points=geo_points[0],
rotate=geo_angle-coord_angle,
scale=float(geo_dist)/float(coord_dist))
assert calib!=None
#print calib
ret=dict()
for line in lines:
if line.strip()=="": continue
name,coords=parse_line(line)
#if name.count("(")!=1 or name.count(")")!=1:
geo_points=[]
for cd in coords:
geo_points.append(fixup(cd,calib))
ret[name]=[mapper.merc2latlon(c,zoomlevel) for c in geo_points]
#print "Coords: %s, geo points: %s"%(coords,geo_points)
#print name,":","; ".join(format_latlon(mapper.merc2latlon(c,zoomlevel)) for c in geo_points)
return ret
def filter_bad_airfields(bad,good):
toadd=[]
try:
bspitems=[]
for item in good:
bspitems.append(BspTree.Item(
mapper.latlon2merc(mapper.from_str(item['pos']),13),item) )
bsp=BspTree(bspitems)
for abad in bad:
m=mapper.latlon2merc(mapper.from_str(abad['pos']),13)
twonm=mapper.approx_scale(m,13,2)
bb=BoundingBox(m[0],m[1],m[0],m[1]).expanded(twonm)
for ap in bsp.findall_in_bb(bb):
print "Not adding bad airfield:",ap.val['name']
break
else:
toadd.append(abad)
except:
print "Failed to add bad airfields"
raise
return toadd
def get_fir_crossing(latlon1,latlon2):
"""
Returns tuple of:
* airspace-dict
* latlon of crossing
"""
px1,py1=mapper.latlon2merc(latlon1,13)
px2,py2=mapper.latlon2merc(latlon2,13)
bb0=BoundingBox(min(px1,px2),min(py1,py2),max(px1,px2),max(py1,py2))
line=Line(Vertex(int(px1),int(py1)),Vertex(int(px2),int(py2)))
for poly,space in cache.get_firs_in_bb(bb0):
a=poly.is_inside(Vertex(int(px1),int(py1)))
b=poly.is_inside(Vertex(int(px2),int(py2)))
print "Considering space %s, starting: %s, ending: %s"%(
space['name'],a,b)
if b and not a:
cross=list(poly.first_entrance(line))
if cross:
outlatlon=(cross[0].get_x(),cross[0].get_y())
return space,mapper.merc2latlon(outlatlon,13)
return None
def get_polygons_on_line(latlon1,latlon2,polys):
zoomlevel=13
px1,py1=mapper.latlon2merc(latlon1,zoomlevel)
px2,py2=mapper.latlon2merc(latlon2,zoomlevel)
line=Line(Vertex(int(px1),int(py1)),Vertex(int(px2),int(py2)))
crosses=[]
for space in polys:
poly_coords=[]
for coord in space['points']:
x,y=mapper.latlon2merc(mapper.from_str(coord),zoomlevel)
poly_coords.append(Vertex(int(x),int(y)))
if len(poly_coords)<3:
#print "Space %s has few points: %s "%(space['name'],space['points'])
continue
poly=Polygon(vvector(poly_coords))
#print "Checking if intersect poly:",space
if len(poly.intersect_line(line))>0:
crosses.append(space)
#print "Is crossing"
else:
pass#print "Is NOT crossing"
return crosses
def get_polygons_around2(lat,lon,polyspaces):
"""for Polygon,Space-pairs"""
zoomlevel=13
px,py=mapper.latlon2merc((lat,lon),zoomlevel)
insides=[]
for polyspace in polyspaces:
poly,space=polyspace
#print "Checking if inside poly:",space
if poly.is_inside(Vertex(int(px),int(py))):
insides.append(space)
#print "Is inside"
else:
pass#print "Is NOT inside"
return insides
def merc_limits(zoomlevel,conservative=False,hd=False):
def ints(xs): return [int(x) for x in xs]
if (zoomlevel,conservative,hd) in mlim:
return mlim[(zoomlevel,conservative,hd)]
if hd:
lat1,lon1,lat2,lon2=latlon_limits_hd()
else:
lat1,lon1,lat2,lon2=latlon_limits()
limitx1,limity1=ints(mapper.latlon2merc((lat2,lon1),zoomlevel))
limitx2,limity2=ints(mapper.latlon2merc((lat1,lon2),zoomlevel))
if conservative:
mlim[(zoomlevel,conservative,hd)]=(limitx1,limity1,limitx2,limity2)
return limitx1,limity1,limitx2,limity2
else:
tilesize=256
tilesizemask=tilesize-1
limitx1&=~tilesizemask
limity1&=~tilesizemask
limitx2&=~tilesizemask
limity2&=~tilesizemask
limitx2+=tilesize
limity2+=tilesize
mlim[(zoomlevel,conservative,hd)]=(limitx1,limity1,limitx2,limity2)
return limitx1,limity1,limitx2,limity2
def filter_bad_airfields(bad, good):
toadd = []
try:
bspitems = []
for item in good:
bspitems.append(
BspTree.Item(
mapper.latlon2merc(mapper.from_str(item['pos']), 13),
item))
bsp = BspTree(bspitems)
for abad in bad:
m = mapper.latlon2merc(mapper.from_str(abad['pos']), 13)
twonm = mapper.approx_scale(m, 13, 2)
bb = BoundingBox(m[0], m[1], m[0], m[1]).expanded(twonm)
for ap in bsp.findall_in_bb(bb):
print "Not adding bad airfield:", ap.val['name']
break
else:
toadd.append(abad)
except:
print "Failed to add bad airfields"
raise
return toadd
def invent_matrix(self,cksum,variant):
print "Variant:",variant
for ad in ec.get_airfields():
if not 'adcharts' in ad: continue
dbb=False
for adchart in ad['adcharts'].values():
if adchart['checksum']==cksum:
lat,lon=mapper.from_str(ad['pos'])
w,h=adchart['render_width'],adchart['render_height']
print "adpos:",ad['pos'],lat,lon
dbb=True
break
if dbb:break
else:
raise Exception("Can't find this chart in aipdata")
if variant.lower().count('vac'):
mercsizex=w
mercsizey=h
scale=7
else:
mercsizex=w
mercsizey=h
scale=1
print "lat,lon",lat,lon
m1=mapper.latlon2merc((lat,lon),13)
print "corner merc",m1
ns=[]
for offx,offy in [(0,0),
(mercsizex,0),
(0,mercsizey),
(mercsizex,mercsizey)]:
merc2=(m1[0]+(offx-mercsizex/2)*scale,m1[1]+(offy-mercsizey/2)*scale)
n=AirportMarker()
n.latitude,n.longitude=mapper.merc2latlon(merc2,13)
n.x,n.y=(offx,offy)
ns.append(n)
error,A,T=customproj.solve(ns)
matrix=list(A)+list(T)
print "Fake projection:",matrix
return matrix
def invent_matrix(self, cksum, variant):
print "Variant:", variant
for ad in ec.get_airfields():
if not 'adcharts' in ad: continue
dbb = False
for adchart in ad['adcharts'].values():
if adchart['checksum'] == cksum:
lat, lon = mapper.from_str(ad['pos'])
w, h = adchart['render_width'], adchart['render_height']
print "adpos:", ad['pos'], lat, lon
dbb = True
break
if dbb: break
else:
raise Exception("Can't find this chart in aipdata")
if variant.lower().count('vac'):
mercsizex = w
mercsizey = h
scale = 7
else:
mercsizex = w
mercsizey = h
scale = 1
print "lat,lon", lat, lon
m1 = mapper.latlon2merc((lat, lon), 13)
print "corner merc", m1
ns = []
for offx, offy in [(0, 0), (mercsizex, 0), (0, mercsizey),
(mercsizex, mercsizey)]:
merc2 = (m1[0] + (offx - mercsizex / 2) * scale,
m1[1] + (offy - mercsizey / 2) * scale)
n = AirportMarker()
n.latitude, n.longitude = mapper.merc2latlon(merc2, 13)
n.x, n.y = (offx, offy)
ns.append(n)
error, A, T = customproj.solve(ns)
matrix = list(A) + list(T)
print "Fake projection:", matrix
return matrix
def cleanup_poly(latlonpoints, name="?"):
for minstep in [0, 10, 100, 1000, 10000, 100000]:
mercpoints = []
lastmerc = None
for latlon in latlonpoints:
merc = mapper.latlon2merc(latlon, 13)
if lastmerc != None:
dist = math.sqrt(
sum([(lastmerc[i] - merc[i])**2 for i in xrange(2)]))
if dist < minstep:
continue
if merc == lastmerc:
continue
lastmerc = merc
mercpoints.append(Vertex(int(merc[0]), int(merc[1])))
if len(mercpoints) < 50:
break
if len(mercpoints) <= 2: return None
if mercpoints[0] == mercpoints[-1]:
del mercpoints[-1]
if len(mercpoints) <= 2: return None
poly = Polygon(vvector(mercpoints))
if len(mercpoints) == 4:
swapped = [mercpoints[1], mercpoints[0]] + mercpoints[2:]
swappedpoly = Polygon(vvector(swapped))
#print "Found 4-corner area: ",name," areas:",swappedpoly.calc_area(),poly.calc_area()
if abs(swappedpoly.calc_area()) > abs(1.1 * poly.calc_area()):
print "Untwisting an area", name
mercpoints = swapped
poly = swappedpoly
backtomerc = [
mapper.merc2latlon((m.get_x(), m.get_y()), 13) for m in mercpoints
]
if poly.is_ccw():
return backtomerc
else:
#print "Reversed "+latlonpoints
return reversed(backtomerc)
def get_borders(pcountry):
#print "Getting for",pcountry
global borders
if not borders:
if not os.path.exists("fplan/extract/lands.bin"):
if os.system("bunzip2 fplan/extract/lands.bin.bz2") != 0:
raise Exception("Couldn't unbzip2 lands.bin.bz2")
f = open("fplan/extract/lands.bin")
tborders = pickle.load(f)
f.close()
out = dict()
for country, parts in tborders.items():
outparts = []
tot = 0
for part in parts:
outpart = []
poly_coords = []
last = None
for coord in part:
merc = mapper.latlon2merc(mapper.from_str(coord), 13)
if merc == last: continue
last = merc
outpart.append(merc)
tot += 1
poly_coords.append(Vertex(int(merc[0]), int(merc[1])))
assert len(outpart) >= 3
if outpart[0] == outpart[-1]:
outpart = outpart[:-1]
poly_coords = poly_coords[:-1]
poly = Polygon(vvector(poly_coords))
assert poly.is_ccw()
outparts.append(outpart)
#print "Parts in ",country,len(outparts),tot
out[country] = outparts
borders = out
#if pcountry!="sweden":
# raise Exception("Debug, just allow sweden for now. just remove this after.")
return borders[pcountry]
def get_borders(pcountry):
#print "Getting for",pcountry
global borders
if not borders:
if not os.path.exists("fplan/extract/lands.bin"):
if os.system("bunzip2 fplan/extract/lands.bin.bz2")!=0:
raise Exception("Couldn't unbzip2 lands.bin.bz2")
f=open("fplan/extract/lands.bin")
tborders=pickle.load(f)
f.close()
out=dict()
for country,parts in tborders.items():
outparts=[]
tot=0
for part in parts:
outpart=[]
poly_coords=[]
last=None
for coord in part:
merc=mapper.latlon2merc(mapper.from_str(coord),13)
if merc==last: continue
last=merc
outpart.append(merc)
tot+=1
poly_coords.append(Vertex(int(merc[0]),int(merc[1])))
assert len(outpart)>=3
if outpart[0]==outpart[-1]:
outpart=outpart[:-1]
poly_coords=poly_coords[:-1]
poly=Polygon(vvector(poly_coords))
assert poly.is_ccw()
outparts.append(outpart)
#print "Parts in ",country,len(outparts),tot
out[country]=outparts
borders=out
#if pcountry!="sweden":
# raise Exception("Debug, just allow sweden for now. just remove this after.")
return borders[pcountry]
def cleanup_poly(latlonpoints,name="?"):
for minstep in [0,10,100,1000,10000,100000]:
mercpoints=[]
lastmerc=None
for latlon in latlonpoints:
merc=mapper.latlon2merc(latlon,13)
if lastmerc!=None:
dist=math.sqrt(sum([(lastmerc[i]-merc[i])**2 for i in xrange(2)]))
if dist<minstep:
continue
if merc==lastmerc:
continue
lastmerc=merc
mercpoints.append(Vertex(int(merc[0]),int(merc[1])))
if len(mercpoints)<50:
break
if len(mercpoints)<=2: return None
if mercpoints[0]==mercpoints[-1]:
del mercpoints[-1]
if len(mercpoints)<=2: return None
poly=Polygon(vvector(mercpoints))
if len(mercpoints)==4:
swapped=[mercpoints[1],mercpoints[0]]+mercpoints[2:]
swappedpoly=Polygon(vvector(swapped))
#print "Found 4-corner area: ",name," areas:",swappedpoly.calc_area(),poly.calc_area()
if abs(swappedpoly.calc_area())>abs(1.1*poly.calc_area()):
print "Untwisting an area",name
mercpoints=swapped
poly=swappedpoly
backtomerc=[mapper.merc2latlon((m.get_x(),m.get_y()),13) for m in mercpoints]
if poly.is_ccw():
return backtomerc
else:
#print "Reversed "+latlonpoints
return reversed(backtomerc)
