def save_map (self, args):
self.area_shapefile=args["area_shapefile"]
self.outline_shapefile=args["outline_shapefile"]
svg=map2svg (args["width"], args["height"])
svg.load_shapefile(self.area_shapefile)
svg.autoscale()
svgtxt=svg.build_svg(None,args['shape_fieldID'],'regio')
mapdata=self.mapdata
outfile=args['outfile']
if self.outline_shapefile is not None:
# print 'outline'
outline_shp=shpUtils.loadShapefile(self.outline_shapefile)
svgtxt+=svg.build_svg(outline_shp, args['outline_fieldID'],'outline',include_data_regio=False)
# labelID=args['outline_labelID']
svgtxt=svg.embed_svg(svgtxt)
f=open (outfile+'.svg','w')
f.write(svgtxt)
f.close()
regio_ids=svg.get_shapeids(None, args['shape_fieldID'])
s=json.dumps(regio_ids)
f=open("js/shape_ids.js",'w')
f.write("var shape_ids=")
f.write(s)
f.write(';\n')
f.close()
def loadshapefile(filename):
print 'Loading shapefile %s' % filename
t1 = time.time()
shapefile = shpUtils.loadShapefile(filename)
t2 = time.time()
print '%0.3f seconds load time' % (t2 - t1)
return shapefile
def loadshapefile( filename ): print 'Loading shapefile %s' % filename t1 = time.time() shapefile = shpUtils.loadShapefile( filename ) t2 = time.time() print '%0.3f seconds load time' %( t2 - t1 ) return shapefile
def __init__(self,filename):
self.filename = filename # the filename and location of the shapefile
self.records = [] #list of easch poly in the shapefile
self.minX = 9999
self.maxX =-9999
self.minY= 9999
self.maxY= -9999
shpRecords = shpUtils.loadShapefile(self.filename)
for i in range(0,len(shpRecords)):
x=[]
y=[]
for j in range(0,len(shpRecords[i]['shp_data']['parts'][0]['points'])):
tempx = float(shpRecords[i]['shp_data']['parts'][0]['points'][j]['x'])
tempy = float(shpRecords[i]['shp_data']['parts'][0]['points'][j]['y'])
x.append(tempx)
y.append(tempy)
name = shpRecords[i]['dbf_data']['NAME']
#logging.info("reading name:"+name)
#name = 'test'
self.records.append(Poly(x,y,name))
# Calculates the spatial extents. ideally this information is calculated in the above for loop, but i'm lazy and this is fast.
for p in self.records: # for each poly
tX = min(p.coords[...,0]) # find the min value of X
tY = min(p.coords[...,1]) # find the min value of Y
if tX<self.minX: self.minX=tX # if the current poly's min x is smaller than recorded minX, set min to current
if tY<self.minY: self.minY=tY # if the current poly's min y is smaller than recorded miny, set min to current
tX = max(p.coords[...,0]) # find the max value of X
tY = max(p.coords[...,1]) # find the max value of Y
if tX>self.maxX: self.maxX=tX # if the current poly's max x is smaller than recorded maxX, set min to current
if tY>self.maxY: self.maxY=tY
def load_world():
shpRecords = shpUtils.loadShapefile('world_borders/world_borders.shp')['features']
colors = load_color_map()
plt.figure(figsize=(16, 9))
last = ''
for i in range(0,len(shpRecords)):
if shpRecords[i]['info']['CNTRY_NAME'] != last:
print shpRecords[i]['info']['CNTRY_NAME']
last = shpRecords[i]['info']['CNTRY_NAME']
# x and y are empty lists to be populated with the coords of each geometry.
x = []
y = []
#print shpRecords[i]
for j in range(0,len(shpRecords[i]['shape']['parts'][0]['points'])):
tempx = float(shpRecords[i]['shape']['parts'][0]['points'][j][0])
tempy = float(shpRecords[i]['shape']['parts'][0]['points'][j][1])
x.append(tempx)
y.append(tempy) # Populate the lists
# Creates a polygon in matplotlib for each geometry in the shapefile
if shpRecords[i]['info']['CNTRY_NAME'] in colors:
if shpRecords[i]['info']['CNTRY_NAME'] == 'Congo' or shpRecords[i]['info']['CNTRY_NAME'] == 'Zaire':
plt.fill(x,y, facecolor=colors['Democratic Republic of the Congo'])
plt.fill(x,y, facecolor=colors[shpRecords[i]['info']['CNTRY_NAME']])
plt.axis('equal')
plt.savefig('world_calls.png', dpi=100, format='png')
plt.show()
def save_map(self, args):
self.width=800
self.height=800
shpRecords=shpUtils.loadShapefile(args["area_shapefile"])
outlineRecords=shpUtils.loadShapefile(args["outline_shapefile"])
centroidRecords=shpUtils.loadShapefile(args["centroid_shapefile"])
area_js=self.build_area_js(shpRecords, args['shape_fieldID'])
centroid_js=self.build_centroid_js(shpRecords, args['shape_fieldID'])
labelID=args['shape_labelID']
outfile=args['outfile']
f=open("js\\area.js","w")
f.write(area_js)
f.write("\n")
#f.write("var total_length=%d;\n" % self.total_length)
f.write("var minx=%d;\n" % self.minx)
f.write("var miny=%d;\n" % self.miny)
f.write("var maxx=%d;\n" % self.maxx)
f.write("var maxy=%d;\n" % self.maxy)
f.write("var dx=%d;\n" % self.dx)
f.write("var dy=%d;\n" % self.dy)
f.write("var width=%d;\n" % self.width)
f.write("var height=%d;\n" % self.height)
f.close()
f=open("js/centroids.js",'w')
f.write(centroid_js);
f.close()
regio_ids=self.get_shapeids(shpRecords, args['shape_fieldID'])
for regio,shapes in regio_ids.items():
regio_ids[regio]=[shape[1:] for shape in shapes]
# f=open("js/regioshapes2.js",'w')
# s=json.dumps(regiocoords);
# f.write("var regioshapes2="+s+';\n');
#f.close()
s='{}'
if labelID is not None:
self.write_keyfile('js/regiolabels.js',labels,'regio')
def read_points(shape_file):
shpRecords = shpUtils.loadShapefile(shape_file)
points = []
for record in shpRecords:
points.append(( record['dbf_data']['POINTID'], record['shp_data'],
record['dbf_data']['GRID_CODE'] ))
return points
def save_map(self, args):
self.width = 800
self.height = 800
shpRecords = shpUtils.loadShapefile(args["area_shapefile"])
outlineRecords = shpUtils.loadShapefile(args["outline_shapefile"])
centroidRecords = shpUtils.loadShapefile(args["centroid_shapefile"])
area_js = self.build_area_js(shpRecords, args['shape_fieldID'])
centroid_js = self.build_centroid_js(shpRecords, args['shape_fieldID'])
labelID = args['shape_labelID']
outfile = args['outfile']
f = open("js\\area.js", "w")
f.write(area_js)
f.write("\n")
#f.write("var total_length=%d;\n" % self.total_length)
f.write("var minx=%d;\n" % self.minx)
f.write("var miny=%d;\n" % self.miny)
f.write("var maxx=%d;\n" % self.maxx)
f.write("var maxy=%d;\n" % self.maxy)
f.write("var dx=%d;\n" % self.dx)
f.write("var dy=%d;\n" % self.dy)
f.write("var width=%d;\n" % self.width)
f.write("var height=%d;\n" % self.height)
f.close()
f = open("js/centroids.js", 'w')
f.write(centroid_js)
f.close()
regio_ids = self.get_shapeids(shpRecords, args['shape_fieldID'])
for regio, shapes in regio_ids.items():
regio_ids[regio] = [shape[1:] for shape in shapes]
# f=open("js/regioshapes2.js",'w')
# s=json.dumps(regiocoords);
# f.write("var regioshapes2="+s+';\n');
#f.close()
s = '{}'
if labelID is not None:
self.write_keyfile('js/regiolabels.js', labels, 'regio')
def demoBetterDirectLoadSHAPE():
import shpUtils
ss=shpUtils.loadShapefile('/home/cpbl/rdc/inputData/healthRegions/shp/HR000b07_PZ.shp')
return(ss['features'])
# now do whatever you want with the resulting data
# i'm going to just print out the first feature in this shapefile
print shpRecords[0]['dbf_data']
for part in shpRecords[0]['shp_data']:
print part, shpRecords[0]['shp_data'][part]
def __init__(self):
self.db = database.DBConnection()
colors = self.get_color_map()
# Dict mapping country names to polygon coords
self.nations = {}
# Matplotlib canvases to draw on
self.figure = plt.figure(figsize=(16,9))
self.root = Tk.Tk()
self.root.title('Int\'l Calls to Rwanda')
self.canvas = FigureCanvasTkAgg(self.figure, master=self.root)
self.base = self.figure.add_subplot(111)
# Load countries from shape file into dictionary with self.nations
xmax, xmin, ymax, ymin = 0, 0, 0, 0
shpRecords = shpUtils.loadShapefile('world_borders/world_borders.shp')['features']
for i in range(0,len(shpRecords)):
# 'verts' is populated with tuples of each border point
verts = []
for j in range(0,len(shpRecords[i]['shape']['parts'][0]['points'])):
tempx = float(shpRecords[i]['shape']['parts'][0]['points'][j][0])
tempy = float(shpRecords[i]['shape']['parts'][0]['points'][j][1])
verts.append((tempx, tempy))
if tempx > xmax: xmax = tempx
if tempx < xmin: xmin = tempx
if tempy > ymax: ymax = tempy
if tempy < ymin: ymin = tempy
cntry_name = shpRecords[i]['info']['CNTRY_NAME']
if cntry_name in colors:
if cntry_name.find('Congo') >= 0 or cntry_name.find('Zaire') >= 0:
if cntry_name in self.nations:
self.nations[cntry_name].append(PolyCollection([verts], facecolor=colors['Democratic Republic of the Congo']))
else:
self.nations[cntry_name] = [PolyCollection([verts], facecolor=colors['Democratic Republic of the Congo'],edgecolor='black')]
else:
if cntry_name in self.nations:
self.nations[cntry_name].append(PolyCollection([verts], facecolor=colors[shpRecords[i]['info']['CNTRY_NAME']],edgecolor='black'))
else:
self.nations[cntry_name] = [PolyCollection([verts], facecolor=colors[shpRecords[i]['info']['CNTRY_NAME']],edgecolor='black')]
# Add countries loaded into self.nations to the canvas
for cntry, polys in self.nations.items():
# Each country can have multiple polygons representing it
for p in polys:
if p != []:
self.base.add_collection(p)
plt.xlim(xmin, xmax)
plt.ylim(ymin+20, ymax+20)
self.canvas.show()
self.figure.savefig('world', dpi=100, format='png')
def shape_to_dict(shapefile):
name = lambda d: d['STATE']+d['COUNTY']+('%-6s'%d['TRACT']).replace(' ','0')
shp = shpUtils.loadShapefile(shapefile)
out = {}
for sh in shp:
n = name(sh['dbf_data'])
parts = []
for shlist in sh['shp_data']['parts']:
points = []
for pt in shlist['points']:
points.append((pt['x'],pt['y']))
parts.append(np.asarray(points))
out[n] = parts
return out
def getInfoFromShp(shpFile):
"""Read polygon from shp file and place in tuple.
polyInfo = dictionary of polygon info (polygons are list of (x,y) pairs)
shpFile = shp file to read from
requires import of shpUtils module.
"""
import shpUtils
polyInfo = {}
shpRecs = shpUtils.loadShapefile(shpFile)
numRecords = len(shpRecs)
for irec in range(numRecords):
polyInfo[irec] = {}
polyInfo[irec]['POINTS'] = []
numVertices = len(shpRecs[irec]['shp_data']['parts'][0]['points'])
for ivert in range(numVertices):
lon = shpRecs[irec]['shp_data']['parts'][0]['points'][ivert]['x']
lat = shpRecs[irec]['shp_data']['parts'][0]['points'][ivert]['y']
polyInfo[irec]['POINTS'].append((lon, lat))
return polyInfo
m[zipcode] = occurencyNumb
return m
#Declare inputs
zipcodefile = "chicago.csv"
shapefile = "ZipCodes.shp"
#define colours
colours = {0:"#F7FCF0", 1:"#E0F3DB", 2:"#CCEBC5", 3:"#A8DDB5", 4:"#7BCCC4", 5:"#4EB3D3", 6:"#2B8CBE", 7:"#0868AC", 8:"#084081"}
colours = {0:"#ffffff", 1:"#fcfcff", 2:"#ebecff", 3:"#ebecff", 4:"#dadcff", 5:"#c9ccff", 6:"#b8bcff", 7:"#a7acff", 8:"#969cff", 9:"#858cff", 10:"#747cff", 11:"#636cff", 12:"#525dff", 13:"#414dff", 14:"#303dff", 15:"#1f2dff", 16:"#0e1dff", 17:"#0010fc", 18:"#000feb", 19:"#000eda", 20:"#000dc9", 21:"#000bb8", 22:"#000aa7"}
colours = {0:"#ffffff", 1:"#ebecff", 2:"#dadcff", 3:"#a7acff", 4:"#a7acff", 5:"#414dff", 6:"#0e1dff", 7:"#000eda", 8:"#000aa7"}
#colours = {0:"#F7FCF0", 1:"#F7FCF0", 2:"#E0F3DB", 3:"#E0F3DB", 4:"#CCEBC5", 5:"#CCEBC5", 6:"#A8DDB5", 7:"#7BCCC4", 8:"#4EB3D3", 9:"#2B8CBE", 10:"#0868AC", 11:"#084081"}
#colours = {0:"", 1:"", 2:"", 3:"", 4:"", 5:"", 6:"", 7:"", 8:""}
#colours = {0:"#FFF7EC", 1:"#FEE8C8", 2:"#FDD49E", 3:"#FDBB84", 4:"#FC8D59", 5:"#EF6548", 6:"#D7301F", 7:"#B30000", 8:"#7F0000"}
# load the shapefile
shpRecords = shpUtils.loadShapefile(shapefile)
# load zipcodefile
m = loadZipcode(zipcodefile)
max = 0
for i in range(0,len(shpRecords)):
zipcode = shpRecords[i]["dbf_data"]["ZIP"]
if m[zipcode] > max:
max = m[zipcode]
unit = max/8
print max
for i in range(0,len(shpRecords)):
# x and y are empty lists to be populated with the coordinates of each geometry.
x = []
y = []
for j in range(0,len(shpRecords[i]['shp_data']['parts'][0]['points'])):
def collate_zones(shape_file):
# First collate the polygons by zone name
print "Loading SHP file..."
rows = shpUtils.loadShapefile(shape_file)
collated = {}
for row in rows:
name = row["dbf_data"]["TZID"].strip()
if name == "uninhabited":
continue
sys.stderr.write("Processing row for '%s'\n" % name)
collated[name] = collated.get(name, [])
for p in row["shp_data"]["parts"]:
collated[name].append({
"points": p["points"],
})
# Then add some information and try to simplify/reduce the polygons
zones = {}
collation_now = time.time()
for name, shp_data in collated.iteritems():
sys.stderr.write("Simpifying %s\n" % name)
transition_info = []
tz = pytz.timezone(name)
if "_utc_transition_times" in dir(tz):
last_info = [sys.maxint, 0, '']
for i, transition_time in enumerate(tz._utc_transition_times):
transition_time = int(time.mktime(transition_time.timetuple()))
td = tz._transition_info[i][0]
info = [
transition_time,
timedelta_to_minutes(td),
tz._transition_info[i][2]
]
if transition_time < collation_now:
last_info = info
continue
# Include the last timezone prior to now
if last_info[0] < collation_now:
transition_info.append(last_info)
transition_info.append(info)
last_info = info
if len(transition_info) == 0:
# Assume no daylight savings
now = datetime.datetime.now()
td = tz.utcoffset(now)
transition_info.append([0, timedelta_to_minutes(td),
tz.tzname(now)])
# calculate a collation key based on future timezone transitions
collation_key = ''
for t in transition_info:
if t[0] >= collation_now:
collation_key += "%d>%d," % (t[0], t[1])
# for non-daylight savings regions, just use the utc_offset
if len(collation_key) == 0:
collation_key = "0>%d" % transition_info[-1][1]
zones[collation_key] = zones.get(collation_key, {
"bounding_box": {
"xmin": sys.maxint,
"ymin": sys.maxint,
"xmax":-sys.maxint - 1,
"ymax":-sys.maxint - 1
},
"polygons": [],
"transitions": {},
"name": name
})
zones[collation_key]["transitions"][name] = transition_info
polygons = reduce_polygons(shp_data, 0.1, 0.01, 4, 5000, 0, 0.05)
for part in polygons:
polygonInfo = simplify(part["points"])
polygonInfo["name"] = name
zones[collation_key]["polygons"].append(polygonInfo)
b = zones[collation_key]["bounding_box"]
b["xmin"] = min(b["xmin"], polygonInfo["bounds"][0])
b["ymin"] = min(b["ymin"], polygonInfo["bounds"][1])
b["xmax"] = max(b["xmax"], polygonInfo["bounds"][2])
b["ymax"] = max(b["ymax"], polygonInfo["bounds"][3])
del polygonInfo["bounds"]
return zones
#!/usr/bin/env python
# readshape.py - test
import sys
import time
import shpUtils
t1 = time.time()
# load the shapefile, populating a list of dictionaries
#features = shpUtils.loadShapefile( 'states/st99_d00_shp/st99_d00.shp')
shapefile = shpUtils.loadShapefile('states/st99_d00_shp-90/st99_d00.shp')
features = shapefile['features']
t2 = time.time()
print '%0.3f seconds load time' % (t2 - t1)
print '%d features' % len(features)
#for feature in features:
for i in xrange(len(features)):
feature = features[i]
info = feature['info']
shape = feature['shape']
type = shape['type']
if type == 0:
pass
elif type == 5:
parts = shape['parts']
if len(parts) > 1:
def load_shapefile(self, infile):
self.shaperecords = shpUtils.loadShapefile(infile)
return self.shaperecords
def collate_zones(shape_file):
# First collate the polygons by zone name
print "Loading SHP file..."
rows = shpUtils.loadShapefile(shape_file)
collated = {}
for row in rows:
name = row["dbf_data"]["TZID"].strip()
if name == "uninhabited":
continue
sys.stderr.write("Processing row for '%s'\n" % name)
collated[name] = collated.get(name, [])
for p in row["shp_data"]["parts"]:
collated[name].append({
"points": p["points"],
})
# Then add some information and try to simplify/reduce the polygons
zones = {}
collation_now = time.time()
for name, shp_data in collated.iteritems():
sys.stderr.write("Simpifying %s\n" % name)
transition_info = []
tz = pytz.timezone(name)
if "_utc_transition_times" in dir(tz):
last_info = [sys.maxint, 0, '']
for i, transition_time in enumerate(tz._utc_transition_times):
transition_time = int(time.mktime(transition_time.timetuple()))
td = tz._transition_info[i][0]
info = [
transition_time,
timedelta_to_minutes(td), tz._transition_info[i][2]
]
if transition_time < collation_now:
last_info = info
continue
# Include the last timezone prior to now
if last_info[0] < collation_now:
transition_info.append(last_info)
transition_info.append(info)
last_info = info
if len(transition_info) == 0:
# Assume no daylight savings
now = datetime.datetime.now()
td = tz.utcoffset(now)
transition_info.append(
[0, timedelta_to_minutes(td),
tz.tzname(now)])
# calculate a collation key based on future timezone transitions
collation_key = ''
for t in transition_info:
if t[0] >= collation_now:
collation_key += "%d>%d," % (t[0], t[1])
# for non-daylight savings regions, just use the utc_offset
if len(collation_key) == 0:
collation_key = "0>%d" % transition_info[-1][1]
zones[collation_key] = zones.get(
collation_key, {
"bounding_box": {
"xmin": sys.maxint,
"ymin": sys.maxint,
"xmax": -sys.maxint - 1,
"ymax": -sys.maxint - 1
},
"polygons": [],
"transitions": {},
"name": name
})
zones[collation_key]["transitions"][name] = transition_info
polygons = reduce_polygons(shp_data, 0.1, 0.01, 4, 5000, 0, 0.05)
for part in polygons:
polygonInfo = simplify(part["points"])
polygonInfo["name"] = name
zones[collation_key]["polygons"].append(polygonInfo)
b = zones[collation_key]["bounding_box"]
b["xmin"] = min(b["xmin"], polygonInfo["bounds"][0])
b["ymin"] = min(b["ymin"], polygonInfo["bounds"][1])
b["xmax"] = max(b["xmax"], polygonInfo["bounds"][2])
b["ymax"] = max(b["ymax"], polygonInfo["bounds"][3])
del polygonInfo["bounds"]
return zones
fnDbf = os.path.basename(dbf.filename)
open("upload/" + fnDbf, "wb").write(dbf.file.read())
message = "2"
# this needs to be generalized
connection = Connection()
db = connection.opendata
my_collection = db[coll]
my_collection.ensure_index([("location", GEO2D)])
att_collection = db.attributes
try:
attributes = set()
# load the shapefile
shpRecords = shpUtils.loadShapefile("upload/" + fnShp)
# add all the records in the shapefile to the new collection
for record in shpRecords:
if "x" in record["location"]:
point = (record["location"]["x"], record["location"]["y"])
elif "xmax" in record["location"]:
xmax = record["location"]["xmax"]
xmin = record["location"]["xmin"]
ymax = record["location"]["ymax"]
ymin = record["location"]["ymin"]
x = xmin + ((xmax - xmin) / 2)
y = ymin + ((ymax - ymin) / 2)
point = (x, y)
else:
continue
#
t = tarfile.open(shpfile)
t.extractall()
shp = shpfile.replace(".tar.gz", "")
shp = "%s/%s.shp" % (shp, shp)
#
polys = []
print shp
for record in shpUtils.loadShapefile(shp) :
print record
continue
for part in record['shp_data']['parts'] :
poly = []
for pt in part['points'] :
if pt.has_key('x') and pt.has_key('y') :
poly.append((pt['x'], pt['y']))
poly = tuple(poly)
p = Polygon(poly)
#!/usr/bin/env python
# Analyze the WWF Terrestrial Ecoregions of the World shape files,
# http://www.worldwildlife.org/publications/terrestrial-ecoregions-of-the-world
# Dependencies: shpUtils.py and dbfUtils.py, both from
# http://indiemaps.com/blog/2008/03/easy-shapefile-loading-in-python/
import shpUtils
shpRecords = shpUtils.loadShapefile("wwf_terr_ecos.shp")
print "Loaded the shape file"
# The list of biomes defined in wwf_terr_ecos.htm :
biomes = [
"BIOME 0", # should never occur
"Tropical & Subtropical Moist Broadleaf Forests",
"Tropical & Subtropical Dry Broadleaf Forests",
"Tropical & Subtropical Coniferous Forests",
"Temperate Broadleaf & Mixed Forests",
"Temperate Conifer Forests",
"Boreal Forests/Taiga",
"Tropical & Subtropical Grasslands, Savannas & Shrublands",
"Temperate Grasslands, Savannas & Shrublands",
"Flooded Grasslands & Savannas",
"Montane Grasslands & Shrublands",
"Tundra",
"Mediterranean Forests, Woodlands & Scrub",
"Deserts & Xeric Shrublands",
"Mangroves",
# WWF, at least, uses 99 for unknown biome.
]
0: "#ffffff",
1: "#ebecff",
2: "#dadcff",
3: "#a7acff",
4: "#a7acff",
5: "#414dff",
6: "#0e1dff",
7: "#000eda",
8: "#000aa7"
}
#colours = {0:"#F7FCF0", 1:"#F7FCF0", 2:"#E0F3DB", 3:"#E0F3DB", 4:"#CCEBC5", 5:"#CCEBC5", 6:"#A8DDB5", 7:"#7BCCC4", 8:"#4EB3D3", 9:"#2B8CBE", 10:"#0868AC", 11:"#084081"}
#colours = {0:"", 1:"", 2:"", 3:"", 4:"", 5:"", 6:"", 7:"", 8:""}
#colours = {0:"#FFF7EC", 1:"#FEE8C8", 2:"#FDD49E", 3:"#FDBB84", 4:"#FC8D59", 5:"#EF6548", 6:"#D7301F", 7:"#B30000", 8:"#7F0000"}
# load the shapefile
shpRecords = shpUtils.loadShapefile(shapefile)
# load zipcodefile
m = loadZipcode(zipcodefile)
max = 0
for i in range(0, len(shpRecords)):
zipcode = shpRecords[i]["dbf_data"]["ZIP"]
if m[zipcode] > max:
max = m[zipcode]
unit = max / 8
print max
for i in range(0, len(shpRecords)):
# x and y are empty lists to be populated with the coordinates of each geometry.
x = []
y = []
for j in range(0, len(shpRecords[i]['shp_data']['parts'][0]['points'])):
import shpUtils
import re
shpRecords = shpUtils.loadShapefile('santiago/cl_13comunas_geo.shp')
all_coords = []
for i in range(0, len(shpRecords)):
coords = []
name = re.sub("[^\w\s]", "",
shpRecords[i]['dbf_data']["NOMBRE"].lower().strip())
if name in ("san jose de maipo", "lo barnechea", "curacavi", "melipilla",
"maria pinto", "pirque", "buin", "el monte", "talagante",
"lampa", "colina", "peaflor"):
print(name)
else:
print(name)
for j in range(0,
len(shpRecords[i]['shp_data']['parts'][0]['points'])):
tempx = float(
shpRecords[i]['shp_data']['parts'][0]['points'][j]['x'])
tempy = float(
shpRecords[i]['shp_data']['parts'][0]['points'][j]['y'])
coords.append((tempx, tempy))
coords = ["[%s, %s]" % row for row in coords]
coords = ',\n '.join(coords)
all_coords.append("{'name':'" + name + "','coords':[" + coords + "]}")
all_coords = ',\n'.join(all_coords)
import shpUtils
import re
shpRecords = shpUtils.loadShapefile('santiago/cl_13comunas_geo.shp')
all_coords = []
for i in range(0, len(shpRecords)):
coords = []
name = re.sub("[^\w\s]", "",
shpRecords[i]['dbf_data']["NOMBRE"].lower().strip())
if name in ("san jose de maipo", "lo barnechea", "curacavi", "melipilla",
"maria pinto", "pirque", "buin", "el monte", "talagante",
"lampa", "colina", "peaflor"):
print(name)
else:
print(name)
for j in range(0,
len(shpRecords[i]['shp_data']['parts'][0]['points'])):
tempx = float(
shpRecords[i]['shp_data']['parts'][0]['points'][j]['x'])
tempy = float(
shpRecords[i]['shp_data']['parts'][0]['points'][j]['y'])
coords.append((tempx, tempy))
coords = ["[%s, %s]" % row for row in coords]
coords = ',\n '.join(coords)
all_coords.append("{'name':'" + name + "','coords':[" + coords + "]}")
all_coords = ',\n'.join(all_coords)
santiago = open("santiago.js", "w")
#!/usr/bin/env python
# Analyze the WWF Terrestrial Ecoregions of the World shape files,
# http://www.worldwildlife.org/publications/terrestrial-ecoregions-of-the-world
# Dependencies: shpUtils.py and dbfUtils.py, both from
# http://indiemaps.com/blog/2008/03/easy-shapefile-loading-in-python/
import shpUtils
shpRecords = shpUtils.loadShapefile('wwf_terr_ecos.shp')
print "Loaded the shape file"
# The list of biomes defined in wwf_terr_ecos.htm :
biomes = [
"BIOME 0", # should never occur
"Tropical & Subtropical Moist Broadleaf Forests",
"Tropical & Subtropical Dry Broadleaf Forests",
"Tropical & Subtropical Coniferous Forests",
"Temperate Broadleaf & Mixed Forests",
"Temperate Conifer Forests",
"Boreal Forests/Taiga",
"Tropical & Subtropical Grasslands, Savannas & Shrublands",
"Temperate Grasslands, Savannas & Shrublands",
"Flooded Grasslands & Savannas",
"Montane Grasslands & Shrublands",
"Tundra",
"Mediterranean Forests, Woodlands & Scrub",
"Deserts & Xeric Shrublands",
"Mangroves",
# WWF, at least, uses 99 for unknown biome.
]
def load_shapefile(self,infile):
self.shaperecords=shpUtils.loadShapefile(infile)
return self.shaperecords
#original script from Vadim Ogievetsky modified by Vincent Hiribarren
# load the shapefile, populating a list of dictionaries
import shpUtils
shpRecords = shpUtils.loadShapefile('your_file.shp')
# now do whatever you want with the resulting data
# i'm going to just print out the first feature in this shapefile
#print '[[[', shpRecords[3] , ']]]'
print '{"type":"FeatureCollection","features":['
for record in shpRecords:
dbf = record['dbf_data']
shp = record['shp_data']
name = dbf['NAME'].strip().replace("'","\\'")
code = dbf['ID'] # or FIPS or ISO3 or UN
borders = []
for part in shp.get('parts', []):
border = []
for point in part['points']:
border.append('[%.6f, %.6f]' % (point['x'], point['y']))
border = ','.join(border)
borders.append('[' + border + ']')
borders = '[' + ','.join(borders) + ']'
str = '{"type":"Feature","properties":{"name":"%s","code":"%s"},"geometry":{"type":"MultiPolygon","coordinates":[%s]}},' % (name, code, borders)
#!/usr/bin/env python # readshape.py - test import sys import time import shpUtils t1 = time.time() # load the shapefile, populating a list of dictionaries #features = shpUtils.loadShapefile( 'states/st99_d00_shp/st99_d00.shp') shapefile = shpUtils.loadShapefile( 'states/st99_d00_shp-90/st99_d00.shp') features = shapefile['features'] t2 = time.time() print '%0.3f seconds load time' %( t2 - t1 ) print '%d features' % len(features) #for feature in features: for i in xrange(len(features)): feature = features[i] info = feature['info'] shape = feature['shape'] type = shape['type'] if type == 0: pass elif type == 5: parts = shape['parts'] if len(parts) > 1:
