def get_layer_points_wfs(self, layer, bbox, max_features):
# Get points in bbox by creating/dispatching an WFS GetFeature
# internally. This is a nice abstraction from various source types like
# PostGIS, Shape etc.
wfs_req = mapscript.OWSRequest()
wfs_req.setParameter("SERVICE", "WFS")
wfs_req.setParameter("VERSION", "1.1.0")
wfs_req.setParameter("REQUEST", "GetFeature")
wfs_req.setParameter("TYPENAME", layer)
wfs_req.setParameter("BBOX", bbox)
wfs_req.setParameter("VERSION", "1.1.0")
# wfs_req.setParameter( 'SRSNAME', "EPSG:4326") ?????
# TODO: reproject response points
mapscript.msIO_installStdoutToBuffer()
self.map.OWSDispatch(wfs_req)
# print 'bbox=' + wms_req.getValueByName('BBOX')
mapscript.msIO_stripStdoutBufferContentType()
content = mapscript.msIO_getStdoutBufferString()
# Parse WFS result into array of Point (slooow, TODO optimize)
parser = WFSParser(mapscript.msGetVersionInt() >= 50600, max_features)
return parser.parse(content)
### System imports, Standard Libraries
import os
import sys
import zlib
import math
import struct
import base64
### Custom Imports, these need to be installed.
import mapscript as ms
assert ms.msGetVersionInt() >= 50200 #require 5.2.0 or above
assert 'OUTPUT=PNG' in ms.msGetVersion() #require PNG support
assert 'INPUT=SHAPEFILE' in ms.msGetVersion() #require PNG support
### Local imports. included
from common import SPHEREMERC_GROUND_SIZE,MAPFILE
WGS = ms.projectionObj('init=epsg:4326')
#GMERC = ms.projectionObj('init=epsg:900913')
GMERC = ms.projectionObj('init=epsg:3857')
ID_OFFSET = 2 # 0==background,1==borders
class Tiler:
def __init__(self,mapobj):
if issubclass(type(mapobj),basestring):
mapobj = ms.mapObj(mapobj)
self.map = mapobj
def getScales(self):
#print "Zoom: "
scales = []
for i in range(20):
def debug(self, msg=None):
print("Content-type: text/plain\n\n")
print(mapscript.msGetVersion())
print("version int=" + str(mapscript.msGetVersionInt()))
if msg:
print(msg)
