+++ /dev/null
-#!/usr/bin/env python
-# coding: UTF-8
-
-import sqlite3
-import math
-from pprint import pprint
-
-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=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,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,backend="renderd"):
-
- from os import system
-
- conn = sqlite3.connect(db)
- cur = conn.cursor()
- cur.execute('select id,minlat,maxlat,minlon,maxlon,minzoom,maxzoom from render_queue')
- list=cur.fetchall()
-
- 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
-
- if miny>maxy:
- ty=miny
- maxy=miny
- miny=ty
-
- 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
-
- if system(command)<>0:
- return
-
- dcur=conn.cursor()
- dcur.execute('delete from render_queue where id=?',(id,))
- conn.commit()
-
-def main():
-
- from optparse import OptionParser
-
- parser = OptionParser()
- parser.add_option("-d", "--data", dest="directory",
- help="Data directory", metavar="DIR")
- parser.add_option("-m", "--map", dest="map",
- help="Map name", metavar="MAP")
- parser.add_option("-z", "--zoom", dest="zoom",
- 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()
-
- db=options.directory+'/gpx.db'
- map=options.map
- zoom=options.zoom
- if not zoom:
- zoom=12
- force=(options.force=='on')
-
- 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:
- print "Processing map(s) "+map+"\n"
- process_queue(db,map,force,renderer)
-
-if __name__ == "__main__":
-
- main()
-
\ No newline at end of file
projects / pyrungps.git / blobdiff