def ReprojectENFromMap(self, e, n, useDefinedProjection, precision, format):
"""Reproject east, north to user defined projection.
:param e,n: coordinate
@throws SbException if useDefinedProjection is True and projection is not defined in UserSettings
"""
if useDefinedProjection:
settings = UserSettings.Get(
group="projection", key="statusbar", subkey="proj4"
)
if not settings:
raise SbException(_("Projection not defined (check the settings)"))
else:
# reproject values
proj, coord = utils.ReprojectCoordinates(
coord=(e, n), projOut=settings, flags="d"
)
if coord:
e, n = coord
if proj in ("ll", "latlong", "longlat") and format == "DMS":
return utils.Deg2DMS(e, n, precision=precision)
else:
return "%.*f; %.*f" % (precision, e, precision, n)
else:
raise SbException(_("Error in projection (check the settings)"))
else:
if self.mapFrame.GetMap().projinfo["proj"] == "ll" and format == "DMS":
return utils.Deg2DMS(e, n, precision=precision)
else:
return "%.*f; %.*f" % (precision, e, precision, n)
def GetCenterString(self, map):
"""Get current map center in appropriate format"""
region = map.GetCurrentRegion()
precision = int(
UserSettings.Get(group="projection",
key="format",
subkey="precision"))
format = UserSettings.Get(group="projection",
key="format",
subkey="ll")
projection = UserSettings.Get(group="projection",
key="statusbar",
subkey="proj4")
if self.mapFrame.GetProperty("projection"):
if not projection:
raise SbException(
_("Projection not defined (check the settings)"))
else:
proj, coord = utils.ReprojectCoordinates(
coord=(region["center_easting"],
region["center_northing"]),
projOut=projection,
flags="d",
)
if coord:
if proj in ("ll", "latlong",
"longlat") and format == "DMS":
return "%s" % utils.Deg2DMS(
coord[0], coord[1], precision=precision)
else:
return "%.*f; %.*f" % (precision, coord[0], precision,
coord[1])
else:
raise SbException(
_("Error in projection (check the settings)"))
else:
if self.mapFrame.GetMap(
).projinfo["proj"] == "ll" and format == "DMS":
return "%s" % utils.Deg2DMS(
region["center_easting"],
region["center_northing"],
precision=precision,
)
else:
return "%.*f; %.*f" % (
precision,
region["center_easting"],
precision,
region["center_northing"],
)
def OnGoTo(self, event):
"""Go to position
"""
try:
e, n = self.GetValue().split(';')
e, n = self.ReprojectENToMap(
e, n, self.mapFrame.GetProperty('projection'))
self.mapFrame.GetWindow().GoTo(e, n)
self.widget.SetFocus()
except ValueError:
# FIXME: move this code to MapWindow/BufferedWindow/MapFrame
region = self.mapFrame.GetMap().GetCurrentRegion()
precision = int(
UserSettings.Get(group='projection',
key='format',
subkey='precision'))
format = UserSettings.Get(group='projection',
key='format',
subkey='ll')
if self.mapFrame.GetMap(
).projinfo['proj'] == 'll' and format == 'DMS':
self.SetValue("%s" % utils.Deg2DMS(region['center_easting'],
region['center_northing'],
precision=precision))
else:
self.SetValue("%.*f; %.*f" % \
(precision, region['center_easting'],
precision, region['center_northing']))
except SbException as e:
# FIXME: this may be useless since statusbar update checks user defined projection and this exception raises when user def proj does not exists
self.statusbar.SetStatusText(str(e), 0)
def GetCenterString(self, map):
"""Get current map center in appropriate format"""
region = map.GetCurrentRegion()
precision = int(
UserSettings.Get(group='projection',
key='format',
subkey='precision'))
format = UserSettings.Get(group='projection',
key='format',
subkey='ll')
projection = UserSettings.Get(group='projection',
key='statusbar',
subkey='proj4')
if self.mapFrame.GetProperty('projection'):
if not projection:
raise SbException(
_("Projection not defined (check the settings)"))
else:
proj, coord = utils.ReprojectCoordinates(
coord=(region['center_easting'],
region['center_northing']),
projOut=projection,
flags='d')
if coord:
if proj in ('ll', 'latlong',
'longlat') and format == 'DMS':
return "%s" % utils.Deg2DMS(
coord[0], coord[1], precision=precision)
else:
return "%.*f; %.*f" % (precision, coord[0], precision,
coord[1])
else:
raise SbException(
_("Error in projection (check the settings)"))
else:
if self.mapFrame.GetMap(
).projinfo['proj'] == 'll' and format == 'DMS':
return "%s" % utils.Deg2DMS(region['center_easting'],
region['center_northing'],
precision=precision)
else:
return "%.*f; %.*f" % (precision, region['center_easting'],
precision, region['center_northing'])
def ReprojectENFromMap(self, e, n, useDefinedProjection, precision,
format):
"""!Reproject east, north to user defined projection.
@param e,n coordinate
@throws SbException if useDefinedProjection is True and projection is not defined in UserSettings
"""
if useDefinedProjection:
settings = UserSettings.Get(group='projection',
key='statusbar',
subkey='proj4')
if not settings:
raise SbException(
_("Projection not defined (check the settings)"))
else:
# reproject values
proj, coord = utils.ReprojectCoordinates(coord=(e, n),
projOut=settings,
flags='d')
if coord:
e, n = coord
if proj in ('ll', 'latlong',
'longlat') and format == 'DMS':
return utils.Deg2DMS(e, n, precision=precision)
else:
return "%.*f; %.*f" % (precision, e, precision, n)
else:
raise SbException(
_("Error in projection (check the settings)"))
else:
if self.mapFrame.GetMap(
).projinfo['proj'] == 'll' and format == 'DMS':
return utils.Deg2DMS(e, n, precision=precision)
else:
return "%.*f; %.*f" % (precision, e, precision, n)
def OnGoTo(self, event):
"""Go to position"""
try:
e, n = self.GetValue().split(";")
e, n = self.ReprojectENToMap(
e, n, self.mapFrame.GetProperty("useDefinedProjection")
)
self.mapFrame.GetWindow().GoTo(e, n)
self.widget.SetFocus()
except ValueError:
# FIXME: move this code to MapWindow/BufferedWindow/MapFrame
region = self.mapFrame.GetMap().GetCurrentRegion()
precision = int(
UserSettings.Get(group="projection", key="format", subkey="precision")
)
format = UserSettings.Get(group="projection", key="format", subkey="ll")
if self.mapFrame.GetMap().projinfo["proj"] == "ll" and format == "DMS":
self.SetValue(
"%s"
% utils.Deg2DMS(
region["center_easting"],
region["center_northing"],
precision=precision,
)
)
else:
self.SetValue(
"%.*f; %.*f"
% (
precision,
region["center_easting"],
precision,
region["center_northing"],
)
)
except SbException as e:
# FIXME: this may be useless since statusbar update checks user
# defined projection and this exception raises when user def proj
# does not exists
self.statusbar.SetStatusText(str(e), 0)
def ReprojectRegionFromMap(self, region, useDefinedProjection, precision,
format):
"""Reproject region values
.. todo::
reorganize this method to remove code useful only for derived class SbCompRegionExtent
"""
if useDefinedProjection:
settings = UserSettings.Get(group='projection',
key='statusbar',
subkey='proj4')
if not settings:
raise SbException(
_("Projection not defined (check the settings)"))
else:
projOut = settings
proj, coord1 = utils.ReprojectCoordinates(coord=(region["w"],
region["s"]),
projOut=projOut,
flags='d')
proj, coord2 = utils.ReprojectCoordinates(coord=(region["e"],
region["n"]),
projOut=projOut,
flags='d')
# useless, used in derived class
proj, coord3 = utils.ReprojectCoordinates(coord=(0.0, 0.0),
projOut=projOut,
flags='d')
proj, coord4 = utils.ReprojectCoordinates(
coord=(region["ewres"], region["nsres"]),
projOut=projOut,
flags='d')
if coord1 and coord2:
if proj in ('ll', 'latlong',
'longlat') and format == 'DMS':
w, s = utils.Deg2DMS(coord1[0],
coord1[1],
string=False,
precision=precision)
e, n = utils.Deg2DMS(coord2[0],
coord2[1],
string=False,
precision=precision)
ewres, nsres = utils.Deg2DMS(
abs(coord3[0]) - abs(coord4[0]),
abs(coord3[1]) - abs(coord4[1]),
string=False,
hemisphere=False,
precision=precision)
return self._formatRegion(w=w,
s=s,
e=e,
n=n,
ewres=ewres,
nsres=nsres)
else:
w, s = coord1
e, n = coord2
ewres, nsres = coord3
return self._formatRegion(w=w,
s=s,
e=e,
n=n,
ewres=ewres,
nsres=nsres,
precision=precision)
else:
raise SbException(
_("Error in projection (check the settings)"))
else:
if self.mapFrame.GetMap(
).projinfo['proj'] == 'll' and format == 'DMS':
w, s = utils.Deg2DMS(region["w"],
region["s"],
string=False,
precision=precision)
e, n = utils.Deg2DMS(region["e"],
region["n"],
string=False,
precision=precision)
ewres, nsres = utils.Deg2DMS(region['ewres'],
region['nsres'],
string=False,
precision=precision)
return self._formatRegion(w=w,
s=s,
e=e,
n=n,
ewres=ewres,
nsres=nsres)
else:
w, s = region["w"], region["s"]
e, n = region["e"], region["n"]
ewres, nsres = region['ewres'], region['nsres']
return self._formatRegion(w=w,
s=s,
e=e,
n=n,
ewres=ewres,
nsres=nsres,
precision=precision)
