def loadShapefile(file_name):
global db
shp_bounding_box = []
shp_type = 0
file_name = file_name
records = []
# open dbf file and get records as a list
dbf_file = file_name[0:-4] + '.dbf'
dbf = open(dbf_file, 'rb')
db = list(dbfUtils.dbfreader(dbf))
dbf.close()
fp = open(file_name, 'rb')
# get basic shapefile configuration
fp.seek(32)
shp_type = readAndUnpack('i', fp.read(4))
shp_bounding_box = readBoundingBox(fp)
# fetch Records
fp.seek(100)
while True:
shp_record = createRecord(fp)
if shp_record == False:
break
records.append(shp_record)
return records
def loadShapefile(file_name):
global db
shp_bounding_box = []
shp_type = 0
file_name = file_name
records = []
# open dbf file and get records as a list
dbf_file = file_name[0:-4] + '.dbf'
dbf = open(dbf_file, 'rb')
db = list(dbfUtils.dbfreader(dbf))
dbf.close()
fp = open(file_name, 'rb')
# get basic shapefile configuration
fp.seek(32)
shp_type = readAndUnpack('i', fp.read(4))
shp_bounding_box = readBoundingBox(fp)
# fetch Records
fp.seek(100)
while True:
shp_record = createRecord(fp)
if shp_record == False:
break
records.append(shp_record)
return records
def loadShapefile( filename ):
# open dbf file and get features as a list
global db
dbfile = open( filename[0:-4] + '.dbf', 'rb' )
db = list( dbfUtils.dbfreader(dbfile) )
dbfile.close()
fp = open( filename, 'rb' )
# get basic shapefile configuration
fp.seek(32)
filetype = readAndUnpack('i', fp.read(4))
bounds = readBounds( fp )
# fetch Records
fp.seek(100)
features = []
while True:
feature = createRecord(fp)
if feature == False: break
getPolyInfo( feature )
features.append( feature )
return { 'type': filetype, 'bounds': bounds, 'features': features }
def loadShapefile(filename):
# open dbf file and get features as a list
global db
dbfile = open(filename[0:-4] + '.dbf', 'rb')
db = list(dbfUtils.dbfreader(dbfile))
dbfile.close()
fp = open(filename, 'rb')
# get basic shapefile configuration
fp.seek(32)
filetype = readAndUnpack('i', fp.read(4))
bounds = readBounds(fp)
# fetch Records
fp.seek(100)
features = []
while True:
feature = createRecord(fp)
if feature == False: break
getPolyInfo(feature)
features.append(feature)
return {'type': filetype, 'bounds': bounds, 'features': features}
def _readDbfTable(self):
dbfFile = self.filePath[0:-4] + '.dbf'
dbf = open(dbfFile, 'rb')
db = list(dbfUtils.dbfreader(dbf))
dbf.close()
return db
})
#'http://prj2epsg.cloudfoundry.com/search.json'
url = 'http://prj2epsg.org/search.json'
webres = urlopen(url, query)
jres = json.loads(webres.read())
if 'errors' in jres and 0 < length(jres['errors']):
srid = None
if jres['codes']:
srid = int(jres['codes'][0]['code'])
except:
srid = None # ensure set back to 4326 whatever happens
try:
# Try to detect the encoding
dbf = open(dbf_file.strip(), 'rb')
db = dbfUtils.dbfreader(dbf)
fnames = db.next()
ftypes = db.next()
# find string fields
sfields = []
for fno in range(len(fnames)):
if (ftypes[fno][0] == 'C'): sfields.append(fno)
detector = UniversalDetector()
# 100 rows should be enough to figure encoding
# TODO: more broader and automated testing, allow
# setting limit by command line param
for row in itertools.islice(db, 100):
query = urlencode({
'exact' : True,
'error' : True,
'mode' : 'wkt',
'terms' : prj_string})
webres = urlopen('http://prj2epsg.org/search.json', query)
jres = json.loads(webres.read())
if jres['codes']:
srid = int(jres['codes'][0]['code'])
except:
srid=4326 # ensure set back to 4326 whatever happens
try:
#Try to detect the encoding
dbf = open(dbf_file, 'rb')
db = dbfUtils.dbfreader(dbf)
fnames = db.next()
ftypes = db.next()
# find string fields
sfields = []
for fno in range(len(fnames)):
if ( ftypes[fno][0] == 'C' ) : sfields.append(fno)
detector = UniversalDetector()
# 100 rows should be enough to figure encoding
# TODO: more broader and automated testing, allow
# setting limit by command line param
for row in itertools.islice(db, 100):
def _readDbfTable(self):
dbfFile = self.filePath[0:-4] + '.dbf'
dbf = open(dbfFile, 'rb')
db = list(dbfUtils.dbfreader(dbf))
dbf.close()
return db
