X-Git-Url: https://git.rvb.name/pyrungps.git/blobdiff_plain/1690b8b7c8ccfdf60be2b33b314e6c26bdef86e6..94f62add438cdf546fdae207ede72c05daf66c00:/generate_image.py

diff --git a/generate_image.py b/generate_image.py
deleted file mode 100644
index 12169ca..0000000
--- a/generate_image.py
+++ /dev/null
@@ -1,167 +0,0 @@
-#!/usr/bin/env python
-
-import mapnik
-
-import sys, os
-
-from lxml import html,etree
-from optparse import OptionParser
-
-from pprint import pprint
-
-import pygpx
-
-# Set up projections
-# spherical mercator (most common target map projection of osm data imported with osm2pgsql)
-merc = mapnik.Projection('+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +no_defs +over')
-
-# long/lat in degrees, aka ESPG:4326 and "WGS 84" 
-longlat = mapnik.Projection('+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs')
-# can also be constructed as:
-#longlat = mapnik.Projection('+init=epsg:4326')
-
-# ensure minimum mapnik version
-if not hasattr(mapnik,'mapnik_version') and not mapnik.mapnik_version() >= 600:
-    raise SystemExit('This script requires Mapnik >=0.6.0)')
-
-
-def render_map(mapfile,map_uri,gpx_file,imgx,imgy):
-
-    with open(gpx_file,'r') as f:
-      data = f.read()
-
-    xml = etree.fromstring(data)
-    gpx = pygpx.GPX()
-    gpx.ReadTree(xml)
-
-    bbox = gpx.bound_box()
-    pprint(bbox)
-    cx=(bbox[0][1]+bbox[1][1])/2
-    cy=(bbox[0][0]+bbox[1][0])/2
-    print cx,cy
-    w=(bbox[1][1]-bbox[0][1])*1.2
-    h=(bbox[1][0]-bbox[0][0])*1.2
-    print w,h
-    bounds = (cx-w/2,cy-h/2,cx+w/2,cy+h/2)
-    print bounds
-
-    m = mapnik.Map(imgx,imgy)
-    mapnik.load_map(m,mapfile)
-
-    m.background = mapnik.Color('rgb(255,255,255)')
-    
-    # ensure the target map projection is mercator
-    m.srs = merc.params()
-
-    bbox = mapnik.Box2d(*bounds)
-
-    pprint(bbox)
-
-    transform = mapnik.ProjTransform(longlat,merc)
-    merc_bbox = transform.forward(bbox)
-    m.zoom_to_box(merc_bbox)
-
-    style = mapnik.Style()
-    rule = mapnik.Rule()
-
-    line_symbolizer = mapnik.LineSymbolizer()
-
-    line_symbolizer.stroke = mapnik.Color('rgb(0,0,127)')
-    line_symbolizer.stroke_width = 4.0
-    line_symbolizer.stroke_opacity = 0.5
-    
-    rule.symbols.append(line_symbolizer)
-
-    style.rules.append(rule)
-    m.append_style('GPS_tracking_points', style)
-
-    layer = mapnik.Layer('GPS_tracking_points')
-    layer.datasource = mapnik.Ogr(file=gpx_file, layer='tracks')
-    layer.styles.append('GPS_tracking_points')
-    m.layers.append(layer)
-
-    im = mapnik.Image(imgx,imgy)
-    mapnik.render(m, im)
-    im.save(map_uri,'png')
-    sys.stdout.write('output image to %s!\n' % map_uri)
-
-
-def render_all(db,mapfile,imgx,imgy):
-
-    import sqlite3
-    from os.path import dirname    
-
-    conn = sqlite3.connect(db)
-    conn.text_factory = str
-    cur = conn.cursor()
-    updcur = conn.cursor()
-
-    cur.execute ("select id,filename from tracks where preview_name is null")
-    
-    list=cur.fetchall()
-    
-    for rec in list:        
-    
-      id = rec[0]
-      filename = rec[1]
-      preview_name = dirname(filename) + '/' + str(id) + '.png'
-
-      print id,filename,preview_name
-
-      try:      
-        render_map(mapfile,preview_name.encode('utf8'),filename,imgx,imgy)
-        updcur.execute("update tracks set preview_name=? where id=?", (preview_name,id))
-        conn.commit()
-      except:
-        raise
-
-
-def main():
-
-    parser = OptionParser()
-    parser.add_option("-m", "--map", dest="mapfile",
-      help="use map file", metavar="MAP")
-    parser.add_option("-o", "--output", dest="outfile",
-      help="output image to file", metavar="OUT")
-    parser.add_option("-g", "--gpx", dest="gpxfile",
-      help="track to render", metavar="GPX")
-    parser.add_option("-x", "--x-size", dest="x",
-      help="image width", metavar="X")
-    parser.add_option("-y", "--y-size", dest="y",
-      help="image height", metavar="Y")
-    parser.add_option("-d", "--db", dest="db",
-      help="render all not process files in database", metavar="DB")
-    (options, args) = parser.parse_args()
-
-    if options.mapfile:  
-      mapfile = options.mapfile
-    else:
-      mapfile = "/etc/mapnik-osm-carto-data/veloroad-imposm.xml"
-
-    if options.outfile:  
-      map_uri = options.outfile
-    else:
-      map_uri = "image.png"
-
-    if options.x:  
-      imgx = int(options.x)
-    else:
-      imgx= 640
-    if options.y:  
-      imgy = int(options.y)
-    else:
-      imgy= 640
-
-    if options.db:
-      render_all(options.db,mapfile,imgx,imgy) 
-    else:
-      if options.gpxfile:  
-        gpx_file = options.gpxfile
-        render_map(mapfile,map_uri,gpx_file,imgx,imgy)
-      else:
-        print "No input file"
-        exit(1)
-
-if __name__ == "__main__":
-
-    main()