def parse_central_point(cpoint):
"""
parses central point latitude, longitude and height
in degrees and meters
numbers are separated by commas
cpoint: string: latitude,longitude,height (height is optional)
return: CoordSystemLocal instance
"""
cpoint = cpoint.split(",")
if len(cpoint) < 2:
raise ParseCentralPointError, "latitude and longitude not set: %s"%\
cpoint
if len(cpoint) > 3:
raise ParseCentralPointError, "too namy numbers set: %s" % cpoint
from gizela.util.Converter import Converter
lat = Converter.deg2rad_(float(cpoint[0]))
lon = Converter.deg2rad_(float(cpoint[1]))
if len(cpoint) is 3:
height = float(cpoint[2])
else:
height = 0.0
#csl = CoordSystemLocal(
return lat, lon, height
def proj_xy(self, pointCart):
lat, lon, height = self.get_tran_llh()(pointCart.x, pointCart.y,
pointCart.z)
from gizela.util.Converter import Converter
proj = self.get_proj_local_e2()
import sys
#print >>sys.stderr, proj.srs
#print >>sys.stderr, Converter.rad2deg_(lon)
#print >>sys.stderr, Converter.rad2deg_(lat)
y, x = self.get_proj_local_e2()(Converter.rad2deg_(lon),
Converter.rad2deg_(lat))
#print >>sys.stderr, x, y
pointCart.x = x
pointCart.y = y
pointCart.z = None
def _get_proj_ll2xy(self, lon, lat):
"""
returns projection instance from geodetic coordinate system
lon, lat in radians to local E2 system xy in meters
This transformation is set from proj4String of parameters
for pyproj.Proj projection
Warning: parameters radians, errcheck and inverse do not work
"""
from pyproj import Proj
from gizela.util.Converter import Converter
# self.projDict["radians"] = True
# self.projDict["errcheck"] = True
# self.projDict["inverse"] = inverse
# import sys
# print >>sys.stderr, self
(y, x) = Proj(self.proj4String)(Converter.rad2deg_(lon), Converter.rad2deg_(lat))
return x, y
def make_table_row(self):
return self.textTable.make_table_row(self.id,
Converter.rad2deg_(self.lat),
Converter.rad2deg_(self.lon),
self.height)
obs2.parse_file(file2)
# set central point
if options.central_point is not None:
cpoint = options.central_point.split(",")
if len(cpoint) is not 2:
print >>sys.stderr, "Cannot read central point: %s" % \
options.central_point
sys.exit(1)
print >>sys.stderr, "Local system: Central point: lat=%s, lon=%s deg" %\
(cpoint[0], cpoint[1])
from gizela.util.Converter import Converter
lat = Converter.deg2rad_(float(cpoint[0]))
lon = Converter.deg2rad_(float(cpoint[1]))
obs1.centralPointGeo.lat=lat
obs1.centralPointGeo.lon=lon
obs2.centralPointGeo.lat=lat
obs2.centralPointGeo.lon=lon
# transform vector to local system
if options.vecl and options.central_point:
obs1.tran_vec_local_ne()
obs1.set_axes_ori("ne")
#print obs1.make_gama_xml()
obs2.tran_vec_local_ne()
obs2.set_axes_ori("ne")
