def ConvertPoint(pt):
try:
(x,y,h) = OSTN02.OSGB36_to_ETRS89 (*pt)
(gla, glo) = OSGB.grid_to_ll(x, y)
return gla, glo
except:
print "OSTN02 not valid at", pt
raise OSTN02Err("OSTN02 not valid at position")
def TryTransform(x, y, lats, lons): try: (xa,ya,ha) = OSTN02.OSGB36_to_ETRS89 (x, y) (gla1, glo1) = OSGB.grid_to_ll(xa, ya) lats.append(gla1) lons.append(glo1) except: pass
def ReadGeometry(self, geo):
for ch in geo:
if ch.tag == "{http://www.opengis.net/gml/3.2}LineString":
posListEl = ch.find('{http://www.opengis.net/gml/3.2}posList')
posFloats = map(float, posListEl.text.split(" "))
est = posFloats[0::2]
nth = posFloats[1::2]
pts = []
for e, n in zip(est, nth):
try:
(x,y,h) = OSTN02.OSGB36_to_ETRS89 (e, n)
(gla, glo) = OSGB.grid_to_ll(x, y)
#print e, n, gla, glo, h
p = cart.LatLonToCart(math.radians(gla), math.radians(glo), 0.)
pts.append(p)
except:
pass
if len(pts) < 2: return None
shp = LineString(pts)
return shp
if ch.tag == "{http://www.opengis.net/gml/3.2}Point":
posEl = ch.find("{http://www.opengis.net/gml/3.2}pos")
posFloat = map(float, posEl.text.split(" "))
try:
(x,y,h) = OSTN02.OSGB36_to_ETRS89 (posFloat[0], posFloat[1])
(gla, glo) = OSGB.grid_to_ll(x, y)
shp = Point(cart.LatLonToCart(math.radians(gla), math.radians(glo), 0.))
return shp
except:
pass
#print shp
return None
#print ch.tag
return None
def ConvertPolygon(rings):
rings2 = []
for ring in rings:
ring2 = []
for pt in ring:
try:
(x,y,h) = OSTN02.OSGB36_to_ETRS89 (*pt)
(gla, glo) = OSGB.grid_to_ll(x, y)
except:
print "OSTN02 not valid at", pt
raise OSTN02Err("OSTN02 not valid at position")
#print pt, gla, glo
ring2.append((gla, glo))
rings2.append(ring2)
return rings2
import csv
from ostn02python import OSGB, OSTN02
if __name__=="__main__":
outPollution = open("outPollution.js", "wt")
receptorPosDict = {}
for row in csv.DictReader(open("measuredno2.csv")):
receptorNum = row["Site ID"]
(x,y,h) = OSTN02.OSGB36_to_ETRS89 (float(row["X"]), float(row["Y"]))
(gla, glo) = OSGB.grid_to_ll(x, y)
if len(row["2017"]) > 0:
m2017 = float(row["2017"])
popupHtml = "<b>Receptor {}</b>".format(receptorNum)
for year in range(2012, 2018):
if len(row[str(year)]) == 0: continue
popupHtml += "<br/>NO2 {}: {}".format(year, float(row[str(year)]))
outPollution.write(("\tL.marker([{}, {}], {{icon: caution{}sIcon}}).addTo(mymap).bindPopup(\""
+"{}\");\n").format(
gla, glo, int(m2017/10)*10, popupHtml))
else:
popupHtml = "<b>Receptor {}</b>".format(receptorNum)
except:
pass
if __name__=="__main__":
#lats = [50.7595692, 50.7724678]
#lons = [-3.7165585, -3.6989885]
gridCode = "SX"
if len(sys.argv) >= 2:
gridCode = sys.argv[1]
username = "******" #raw_input("Username:"******"Password:"******"ST", 00000, 00000)
xin2 = xin + 100000
yin2 = yin + 100000
print "Start corner", gridCode, xin, yin
#print xin, yin
#print xin2, yin2
for x in range(xin, xin2, 1000):
for y in range(yin, yin2, 1000):
lats, lons = [], []
TryTransform(x, y, lats, lons)
out.write("<?xml version='1.0' encoding='UTF-8'?>\n")
out.write("<osm version='0.6' upload='true' generator='py'>\n")
#lats, lons = [51.383075,50.50], [-1.955713,-0.729294] #Hampshire
#lats, lons = [50.703, 51.167], [-0.955, 0.040] #West sussex
#lats, lons = [50.7217072, 51.1475977], [-0.1424041, 0.8675128] #East sussex
lats, lons = [51.8251473, 52.3967369], [-3.1446227, -2.3441835] #Herefordshire
collectEastings = []
collectNorthings = []
#Convert to OS grid
for lat in lats:
for lon in lons:
(x2,y2) = OSGB.ll_to_grid(lat, lon)
try:
e, n, h = OSTN02.ETRS89_to_OSGB36(x2,y2,0.)
except:
print "Error: OSTN02 not defined here, using approximation"
e, n, h = x2, y2, 0.
print e, n, OSGB.grid_to_os_streetview_tile((e, n))
collectEastings.append(e)
collectNorthings.append(n)
#Convert to rectangular area
minE = min(collectEastings)
minN = min(collectNorthings)
minE = int(round(minE - (minE % 10000)))
minN = int(round(minN - (minN % 10000)))
fi.write("<osm version='0.6' upload='true' generator='JOSM'>\n")
for li in data2:
if len(li["oseast1m"]) == 0:
continue
e = float(li["oseast1m"])
n = float(li["osnrth1m"])
qual = int(li["osgrdind"])
pcs = li["pcds"]
doterm = li["doterm"]
if len(doterm) > 0 and skipDeleted:
continue
try:
(x, y, h) = OSTN02.OSGB36_to_ETRS89(e, n)
(gla, glo) = OSGB.grid_to_ll(x, y)
if count % 100 == 0:
print pcs, doterm, qual, gla, glo, count
count += 1
fi.write("<node id='{0}' lat='{1}' lon='{2}'>\n".format(nodeId, gla, glo))
fi.write("<tag k='name' v='{0}' />\n".format(pcs))
fi.write("<tag k='onspd_postcode_centre' v='yes' />\n")
fi.write("</node>\n")
nodeId -= 1
except:
print pcs, "conversion failed"
fi.write("</osm>\n")
