#!/usr/bin/env python
# coding: utf8
#
# Copyright (c) 2025 Centre National d'Etudes Spatiales (CNES).
#
# This file is part of CARS
# (see https://github.com/CNES/cars).
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
"""
this module contains the abstract dtm generation application class.
"""
import logging
from abc import ABCMeta, abstractmethod
from typing import Dict
from cars.applications.application import Application
from cars.applications.application_template import ApplicationTemplate
[docs]
@Application.register("dtm_generation")
class DtmGeneration(ApplicationTemplate, metaclass=ABCMeta):
"""
DsmMerging
"""
available_applications: Dict = {}
default_application = "bulldozer"
def __new__(cls, conf=None): # pylint: disable=W0613
"""
Return the required application
:raises:
- KeyError when the required application is not registered
:param orchestrator: orchestrator used
:param conf: configuration for merging
:return: an application_to_use object
"""
dtm_generation_method = cls.default_application
if bool(conf) is False or "method" not in conf:
logging.info(
"dtm_generation method not specified, default"
" {} is used".format(dtm_generation_method)
)
else:
dtm_generation_method = conf["method"]
if dtm_generation_method not in cls.available_applications:
logging.error(
"No dtm_generation application named {} registered".format(
dtm_generation_method
)
)
raise KeyError(
"No dtm_generation application named {} registered".format(
dtm_generation_method
)
)
logging.info(
"The DtmGeneration {} application will be used".format(
dtm_generation_method
)
)
return super(DtmGeneration, cls).__new__(
cls.available_applications[dtm_generation_method]
)
[docs]
def __init_subclass__(cls, short_name, **kwargs): # pylint: disable=E0302
super().__init_subclass__(**kwargs)
cls.available_applications[short_name] = cls
def __init__(self, conf=None):
"""
Init function of DTM generation
:param conf: configuration
:return: an application_to_use object
"""
super().__init__(conf=conf)
[docs]
@abstractmethod
def run(self):
"""
Run dtm generation
"""