X-Git-Url: https://git.rvb.name/pyrungps.git/blobdiff_plain/b8e66f213d0df36cb584685a34276d8c45882e71..94f62add438cdf546fdae207ede72c05daf66c00:/render_tiles.py?ds=inline diff --git a/render_tiles.py b/render_tiles.py deleted file mode 100644 index 1c57b0b..0000000 --- a/render_tiles.py +++ /dev/null @@ -1,52 +0,0 @@ -#!/usr/bin/env python -# coding: UTF-8 - -import sqlite3 - -import math - -def queue_render(db,filename): - - conn = sqlite3.connect(db) - cur = conn.cursor() - - cur.execute("select minlat,minlon,maxlat,maxlon from tracks where filename=?" , (filename.decode('UTF-8'),)) - - minlat,minlon,maxlat,maxlon=cur.fetchone() - - # определяем примерный стартовый зум - - minlatrad = math.radians(minlat) - maxlatrad = math.radians(maxlat) - - minx = (minlon + 180.0)/360.0 - maxx = (maxlon + 180.0)/360.0 - - miny = (1.0 - math.log(math.tan(minlatrad) + (1 / math.cos(minlatrad))) / math.pi) / 2.0 - maxy = (1.0 - math.log(math.tan(maxlatrad) + (1 / math.cos(maxlatrad))) / math.pi) / 2.0 - - if minx>maxx: - minx,maxx = maxx,minx - - if miny>maxy: - miny,maxy = maxy,miny - - for zoom in range(9,16): - - n = 2 ** zoom - - minxt = int(minx * n) - minyt = int(miny * n) - maxxt = int(maxx * n) - maxyt = int(maxy * n) - - ins = conn.cursor() - print zoom,minxt,maxxt,minyt,maxyt - ins.execute('insert into render_queue(zoom,minx,maxx,miny,maxy) values(?,?,?,?,?)',(zoom,minxt,maxxt,minyt,maxyt)) - - if (maxxt-minxt>16) or (maxyt-minyt>12): - conn.commit() - break - - conn.commit() - \ No newline at end of file