def queue_render(db,filename,forced_max_zoom=None):
conn = sqlite3.connect(db)
+ conn.text_factory = str
cur = conn.cursor()
cur.execute("select minlat,minlon,maxlat,maxlon from tracks where filename=?" , (filename.decode('UTF-8'),))
minlat,minlon,maxlat,maxlon=cur.fetchone()
queue_tiles(db,minlat,minlon,maxlat,maxlon,forced_max_zoom)
+
+def deg2num(lat_deg, lon_deg, zoom):
+ lat_rad = math.radians(lat_deg)
+ n = 2.0 ** zoom
+ xtile = int((lon_deg + 180.0) / 360.0 * n)
+ ytile = int((1.0 - math.log(math.tan(lat_rad) + (1 / math.cos(lat_rad))) / math.pi) / 2.0 * n)
+ return (xtile, ytile)
def queue_tiles(db,minlat,minlon,maxlat,maxlon,forced_max_zoom=None):
conn = sqlite3.connect(db)
# определяем примерный стартовый зум
-
+
minzoom=8
+
if forced_max_zoom:
maxzoom=forced_max_zoom
else:
- maxzoom=16
+ maxzoom=minzoom
+ while True:
+ minx,miny=deg2num(minlat,minlon,maxzoom)
+ maxx,maxy=deg2num(maxlat,maxlon,maxzoom)
+
+ print maxzoom,':',minx,'-',maxx,'/',miny,'-',maxy
+ if (maxx-minx>16) or (maxy-miny>12) or (maxzoom==16):
+ break
+ else:
+ maxzoom=maxzoom+1
+
+ if maxzoom<minzoom:
+ minzoom=maxzoom
ins = conn.cursor()
- print minlat,maxlat,minlon,maxlon,minzoom,maxzoom
+ print minlat,minlon,maxlat,maxlon,minzoom,maxzoom
ins.execute('insert into render_queue(minlat,maxlat,minlon,maxlon,minzoom,maxzoom) values(?,?,?,?,?,?)',(minlat,maxlat,minlon,maxlon,minzoom,maxzoom))
conn.commit()
-def process_queue(db,map,force=False):
+def process_queue(db,map,force=False,backend="renderd"):
from os import system
for rec in list:
id,minlat,maxlat,minlon,maxlon,minzoom,maxzoom=rec
+
+ if backend == "tirex" or backend == "default":
+
+ command = 'map='+map+ \
+ ' z='+str(minzoom)+'-'+str(maxzoom)+ \
+ ' lat='+str(minlat)+','+str(maxlat)+ \
+ ' lon='+str(minlon)+','+str(maxlon)
+
+ if force:
+ command = 'tirex-batch -n 0 --prio=50 '+command
+ else:
+ command = 'tirex-batch -n 0 --prio=50 '+command+' -f not-exists'
+
+ print command
+
+ if system(command)==0:
+ dcur=conn.cursor()
+ dcur.execute('delete from render_queue where id=?',(id,))
+ conn.commit()
+
+ elif backend == "renderd":
+
+ print minlat,minlon,maxlat,maxlon
+
+ for zoom in range(minzoom,maxzoom+1):
+ minx,miny=deg2num(minlat,minlon,zoom)
+ maxx,maxy=deg2num(maxlat,maxlon,zoom)
+
+ if minx>maxx:
+ tx=minx
+ maxx=minx
+ minx=tx
- command = 'map='+map+ \
- ' z='+str(minzoom)+'-'+str(maxzoom)+ \
- ' lat='+str(minlat)+','+str(maxlat)+ \
- ' lon='+str(minlon)+','+str(maxlon)
+ if miny>maxy:
+ ty=miny
+ maxy=miny
+ miny=ty
- if force:
- command = 'tirex-batch -n 0 '+command
- else:
- command = 'tirex-batch -n 0 '+command+' -f not-exists'
+ print zoom,minx,miny,maxx,maxy
+
+ maps = map.split(',')
+
+ for map_name in maps:
+
+ command = 'render_list -a -m '+map+ \
+ ' -z '+str(zoom)+' -Z '+str(zoom)+ \
+ ' -x '+str(minx)+' -X '+str(maxx)+ \
+ ' -y '+str(miny)+' -Y '+str(maxy)
+ if force:
+ command = command+ ' --force'
- print command
+ print command
- if system(command)==0:
+ if system(command)<>0:
+ return
+
dcur=conn.cursor()
dcur.execute('delete from render_queue where id=?',(id,))
conn.commit()
help="Maximal zoom (forced), used with coordinates pairs (minlat minlon maxlat maxlon) or filename in arguments", metavar="MAP")
parser.add_option("-f", "--force", dest="force",
help="Force tile regeneration (on/off), default off")
+ parser.add_option("-r", "--renderer", dest="renderer",
+ help="Rendering backend: tirex or renderd")
(options, args) = parser.parse_args()
- print options,args
-
db=options.directory+'/gpx.db'
map=options.map
zoom=options.zoom
+ if not zoom:
+ zoom=12
force=(options.force=='on')
- if zoom:
- if len(args)==1:
- filename,=args
- print "Rendering file: "+filename+"\n"
- queue_render(db,filename)
- else:
- minlat,minlon,maxlat,maxlon=args
- queue_tiles(db,float(minlat),float(minlon),float(maxlat),float(maxlon),int(zoom))
+ if options.renderer:
+ renderer=options.renderer
+ else:
+ print "Using default rendering backend..."
+ renderer="default"
+
+ if len(args)==1:
+ filename,=args
+ print "Rendering file: "+filename+"\n"
+ queue_render(db,filename)
+ elif len(args)==4:
+ minlat,minlon,maxlat,maxlon=args
+ print "Rendering region "+minlat+'..'+maxlat+' / '+minlon+'..'+maxlon+"\n"
+ queue_tiles(db,float(minlat),float(minlon),float(maxlat),float(maxlon),int(zoom))
if map:
- process_queue(db,map,force)
+ print "Processing map(s) "+map+"\n"
+ process_queue(db,map,force,renderer)
if __name__ == "__main__":