def tile(self, z, x, y): """ Render the specified tile with Mapnik """ logger.debug(_("Render tile %s") % ((z, x, y), )) proj = GoogleProjection(self.tilesize, [z]) return self.render(proj.tile_bbox((z, x, y)))
def tile(self, z, x, y): """ Render the specified tile with Mapnik """ logger.debug(_("Render tile %s") % ((z, x, y),)) proj = GoogleProjection(self.tilesize, [z]) return self.render(proj.tile_bbox((z, x, y)))
def grid(self, z, x, y, fields, layer): """ Render the specified grid with Mapnik """ logger.debug(_("Render grid %s") % ((z, x, y),)) proj = GoogleProjection(self.tilesize, [z]) return self.render_grid(proj.tile_bbox((z, x, y)), fields, layer)
def grid(self, z, x, y, fields, layer): """ Render the specified grid with Mapnik """ logger.debug(_("Render grid %s") % ((z, x, y), )) proj = GoogleProjection(self.tilesize, [z]) return self.render_grid(proj.tile_bbox((z, x, y)), fields, layer)
def tile(self, z, x, y): logger.debug(_("Request WMS tile %s") % ((z, x, y),)) proj = GoogleProjection(self.tilesize, [z]) bbox = proj.tile_bbox((z, x, y)) bbox = proj.project(bbox[:2]) + proj.project(bbox[2:]) bbox = ','.join(map(str, bbox)) # Build WMS request URL encodedparams = urllib.urlencode(self.wmsParams) url = "%s?%s" % (self.url, encodedparams) url += "&bbox=%s" % bbox # commas are not encoded r = DOWNLOAD_RETRIES sleeptime = 1 while r > 0: try: logger.debug(_("Download '%s'") % url) request = urllib2.Request(url) for header, value in self.headers.items(): request.add_header(header, value) f = urllib2.urlopen(request) header = f.info().typeheader assert header == self.wmsParams['format'], "Invalid WMS response type : %s" % header return f.read() except (AssertionError, IOError, httplib.HTTPException), e: logger.debug(_("Download error, retry (%s left). (%s)") % (r, e)) r -= 1 time.sleep(sleeptime) # progressivly sleep longer to wait for this tile if (sleeptime <= 10) and (r % 2 == 0): sleeptime += 1 # increase wait
def tile(self, z, x, y): proj = GoogleProjection(self.tilesize, [z]) bbox = proj.tile_bbox((z, x, y)) bbox = proj.project(bbox[:2]) + proj.project(bbox[2:]) bbox = ','.join(map(str, bbox)) # Build WMS request URL encodedparams = urllib.urlencode(self.wmsParams) url = "%s?%s" % (self.url, encodedparams) url += "&bbox=%s" % bbox # commas are not encoded try: logger.debug(_("Download '%s'") % url) f = urllib.urlopen(url) header = f.info().typeheader assert header == self.wmsParams['format'], "Invalid WMS response type : %s" % header return f.read() except (AssertionError, IOError), e: raise ExtractionError
def tile(self, z, x, y): logger.debug(_("Request WMS tile %s") % ((z, x, y), )) proj = GoogleProjection(self.tilesize, [z]) bbox = proj.tile_bbox((z, x, y)) bbox = proj.project(bbox[:2]) + proj.project(bbox[2:]) bbox = ','.join(map(str, bbox)) # Build WMS request URL encodedparams = urllib.urlencode(self.wmsParams) url = "%s?%s" % (self.url, encodedparams) url += "&bbox=%s" % bbox # commas are not encoded try: logger.debug(_("Download '%s'") % url) f = urllib2.urlopen(url) header = f.info().typeheader assert header == self.wmsParams[ 'format'], "Invalid WMS response type : %s" % header return f.read() except (AssertionError, IOError): raise ExtractionError