def CopyMap(self, name, tmp=False, update=False):
"""Make a copy of open vector map
Note: Attributes are not copied
:param name: name for a copy
:param tmp: True for temporary map
:param bool update: True if copy target vector map (poMapInfoNew)
exist
:return: number of copied features
:return: -1 on error
"""
if not self.poMapInfo:
# nothing to copy
return -1
poMapInfoNew = pointer(Map_info())
if not tmp:
if update:
open_fn = Vect_open_update
else:
open_fn = Vect_open_new
else:
if update:
open_fn = Vect_open_tmp_update
else:
open_fn = Vect_open_tmp_new
if update:
if open_fn(poMapInfoNew, name, "") == -1:
return -1
else:
is3D = bool(Vect_is_3d(self.poMapInfo))
if open_fn(poMapInfoNew, name, is3D) == -1:
return -1
verbose = G_verbose()
G_set_verbose(-1) # be silent
if Vect_copy_map_lines(self.poMapInfo, poMapInfoNew) == 1:
G_set_verbose(verbose)
return -1
Vect_build(poMapInfoNew)
G_set_verbose(verbose)
ret = Vect_get_num_lines(poMapInfoNew)
Vect_close(poMapInfoNew)
return ret
def CloseMap(self):
"""Close training areas map - be quiet"""
verbosity = G_verbose()
G_set_verbose(0)
DisplayDriver.CloseMap(self)
G_set_verbose(verbosity)