def crop(request, project_id=None, stack_ids=None, x_min=None, x_max=None, y_min=None, y_max=None, z_min=None, z_max=None, zoom_level=None, logged_in_user=None):
""" Crops out the specified region of the stack. The region is expected to
be given in terms of real world units (e.g. nm).
"""
# Make sure tmp dir exists and is writable
if not os.path.exists( settings.TMP_DIR ) or not os.access( settings.TMP_DIR, os.W_OK ):
json_message = "Please make sure your temporary folder (TMP_DIR in settings.py) exists and is writable."
err_response = json_error_response( err_message )
err_response['Connection'] = 'close'
return err_response
# Make a list out of the stack ids
string_list = stack_ids.split(",")
stack_ids = [int( x ) for x in string_list]
# Crate a new cropping job
job = CropJob(logged_in_user, project_id, stack_ids, x_min, x_max, y_min, y_max, z_min, z_max, zoom_level)
# Parameter check
errors = sanity_check( job )
if len(errors) > 0:
err_message = "Some problems with the cropping parameters were found: "
for n, e in enumerate( errors ):
if n == 0:
err_message += str( n+1 ) + ". " + e
else:
err_message += ", " + str( n+1 ) + ". " + e
err_response = json_error_response( err_message )
err_response['Connection'] = 'close'
return err_response
result = start_asynch_process( job )
return result
def decorated_with_catmaid_can_edit_project(request, *args, **kwargs):
u = valid_catmaid_login(request)
if not u:
return json_error_response(request.get_full_path()+" is not accessible unless you are logged in")
p = Project(pk=kwargs['project_id'])
if u in p.users.all():
kwargs['logged_in_user'] = u
return f(request, *args, **kwargs)
else:
return json_error_response("The user '%s' may not edit project %d" % (u.longname, kwargs['project_id']))
def decorated_with_catmaid_can_edit_project(request, *args, **kwargs):
u = valid_catmaid_login(request)
if not u:
return json_error_response(
request.get_full_path() +
" is not accessible unless you are logged in")
p = Project(pk=kwargs['project_id'])
if u in p.users.all():
kwargs['logged_in_user'] = u
return f(request, *args, **kwargs)
else:
return json_error_response(
"The user '%s' may not edit project %d" %
(u.longname, kwargs['project_id']))