def georeferenceGetProcess(request):
log.info('Receive request GetGeoreferenceProcess')
try:
request_data = None
if request.method == 'POST':
request_data = request.json_body
objectid = None
if 'objectid' in request_data:
validateId(request_data['objectid'])
objectid = int(request_data['objectid'])
log.debug('Objectid is valide: %s'%request_data)
georeferenceid = None
if 'georeferenceid' in request_data:
georeferenceid = int(request_data['georeferenceid'])
if georeferenceid:
response = createResponseForSpecificGeoreferenceProcess(objectid, georeferenceid, request)
else:
response = createGeneralResponse(objectid, request)
return json.dumps(response, ensure_ascii=False, encoding='utf-8')
except GeoreferenceParameterError as e:
message = 'Wrong or missing service parameter - %s'%e.value
log.error(message)
return HTTPBadRequest(message)
except Exception as e:
message = 'Problems while creating response for getprocess request - %s'%e
log.error(message)
return HTTPInternalServerError(message)
def georeferenceGetProcess(request):
log.info('Receive request GetGeoreferenceProcess')
try:
request_data = None
if request.method == 'POST':
request_data = request.json_body
objectid = None
if 'objectid' in request_data:
validateId(request_data['objectid'])
objectid = int(request_data['objectid'])
log.debug('Objectid is valide: %s' % request_data)
georeferenceid = None
if 'georeferenceid' in request_data:
georeferenceid = int(request_data['georeferenceid'])
if georeferenceid:
response = createResponseForSpecificGeoreferenceProcess(
objectid, georeferenceid, request)
else:
response = createGeneralResponse(objectid, request)
return json.dumps(response, ensure_ascii=False, encoding='utf-8')
except GeoreferenceParameterError as e:
message = 'Wrong or missing service parameter - %s' % e.value
log.error(message)
return HTTPBadRequest(message)
except Exception as e:
message = 'Problems while creating response for getprocess request - %s' % e
log.error(message)
return HTTPInternalServerError(message)
def parseMapObjForId(request_data, name, dbsession):
""" This functions parses a map objectid from an objectid """
if name in request_data:
validateId(request_data[name])
# @deprecated
# do mapping for support of new name schema
mapObj = Map.by_id(int(request_data[name]), dbsession)
if mapObj is None:
raise GeoreferenceParameterError('Missing or wrong objectid parameter.')
else:
return mapObj
raise GeoreferenceParameterError('Missing or wrong objectid parameter.')
def parseMapObjForId(request_data, name, dbsession):
""" This functions parses a map objectid from an objectid """
if name in request_data:
validateId(request_data[name])
# @deprecated
# do mapping for support of new name schema
mapObj = Map.by_id(int(request_data[name]), dbsession)
if mapObj is None:
raise GeoreferenceParameterError(
'Missing or wrong objectid parameter.')
else:
return mapObj
raise GeoreferenceParameterError('Missing or wrong objectid parameter.')
def georeferenceUpdate(request):
log.info('Receive request for processing georeference update result')
try:
userid = checkIsUser(request)
request_data = None
if request.method == 'POST':
request_data = request.json_body
if request_data:
validateId(request_data['id'])
log.debug('Request data is valide: %s'%request_data)
log.debug('Check if there exists a registered georeference process for this messtischblatt ...')
messtischblatt = Messtischblatt.by_id(request_data['id'], request.db)
isAlreadyGeorefProcess = Georeferenzierungsprozess.by_messtischblattid(messtischblatt.id, request.db)
if isAlreadyGeorefProcess is None:
response = {'text':'There is no registered georeference process for this messtischblatt. Please move back to the confirm process.'}
return json.dumps(response, ensure_ascii=False, encoding='utf-8')
# actual only support this option if target srs is EPSG:4314
log.debug('Saving georeference process in the database ...')
if request_data['georeference']:
encoded_clip_params = convertUnicodeDictToUtf(request_data['georeference'])
georefProcess = registerNewGeoreferenceProcessInDb(messtischblatt.id, userid, str(encoded_clip_params), 'update', request.db)
log.debug('Set update status for messtischblatt ...')
messtischblatt.setIsUpdated(True)
log.debug('Create response ...')
# right now the premise is that for the updated gcps are equal to the removed gcps. For every
# updated gcps the users get new points
achievement_points = len(request_data['georeference']['remove']['gcps'])*5
#gcps = getJsonDictPasspointsForMapObject(messtischblatt.id, request.db)
response = {'text':'Georeference result updated. It will soon be ready for use.','georeferenceid':georefProcess.id, 'points':achievement_points,
'gcps':request_data['georeference']['new'] ,'type':'update'}
return json.dumps(response, ensure_ascii=False, encoding='utf-8')
else:
log.error('The remove and new parameters are not valide - %s')
raise GeoreferenceParameterError('The remove and new parameters are not valide.')
except GeoreferenceParameterError as e:
message = 'Wrong or missing service parameter - %s'%e.value
log.error(message)
return HTTPBadRequest(message)
except Exception as e:
message = 'Problems while computing validation result - %s'%e
log.error(message)
return HTTPInternalServerError(message)
def georeferenceValidation(request):
log.info('Receive request for processing georeference validation result')
try:
request_data = None
if request.method == 'POST':
request_data = request.json_body
if request_data:
validateId(request_data['id'])
log.debug('Request data is valide: %s'%request_data)
log.debug('Start creating validation result ...')
messtischblatt = Messtischblatt.by_id(request_data['id'], request.db)
# actual only support this option if target srs is EPSG:4314
epsg_code = int(str(request_data['georeference']['target']).split(':')[1])
if request_data['georeference']['source'] == 'pixel' and epsg_code == 4314:
log.debug('Parse gcps ...')
gcps = parseGcps(request_data['georeference']['gcps'])
log.debug('Process georeference parameter ...')
destPath = georeference(messtischblatt.original_path, os.path.join(GEOREFERENCE_MAPFILE_FOLDER,messtischblatt.dateiname+"::"+str(getUniqueId())+".vrt"),
GEOREFERENCE_TMP_DIR, gcps, epsg_code, epsg_code, 'polynom', log)
log.debug('Create temporary mapfile ...')
wms_url = createMapfile(messtischblatt.dateiname, destPath, GEOREFERENCE_MAPFILE_TEMPLATE, GEOREFERENCE_MAPFILE_FOLDER, GEOREFERENCE_MAPFILE_DEFAULT_PARAMS)
log.debug('Create response ...')
response = {'wms_url':wms_url,'layer_id':messtischblatt.dateiname,'extent':Messtischblatt.getExtent(messtischblatt.id, request.db)}
return json.dumps(response, ensure_ascii=False, encoding='utf-8')
else:
raise GeoreferenceParameterError('Wrong or missing service parameter')
except GeoreferenceParameterError as e:
message = 'Wrong or missing service parameter - %s'%e.value
log.error(message)
return HTTPBadRequest(message)
except Exception as e:
message = 'Problems while computing validation result - %s'%e.value
log.error(message)
return HTTPInternalServerError(message)
def georeferenceConfirm(request):
log.info('Receive request for processing georeference validation result')
try:
userid = checkIsUser(request)
user = Users.by_username(userid, request.db)
request_data = None
if request.method == 'POST':
request_data = request.json_body
if request_data:
validateId(request_data['id'])
log.debug('Request data is valide: %s'%request_data)
log.debug('Check if there is already a registered georeference process for this messtischblatt ...')
messtischblatt = Messtischblatt.by_id(request_data['id'], request.db)
isAlreadyGeorefProcess = Georeferenzierungsprozess.by_messtischblattid(messtischblatt.id, request.db)
if isAlreadyGeorefProcess is not None:
response = {'text':'There is already a registered georeference process for this messtischblatt. Please move forward to the update process.','georeferenceid':isAlreadyGeorefProcess.id}
return json.dumps(response, ensure_ascii=False, encoding='utf-8')
# actual only support this option if target srs is EPSG:4314
log.debug('Start saving georeference process in the database ...')
epsg_code = int(str(request_data['georeference']['target']).split(':')[1])
if request_data['georeference']['source'] == 'pixel' and epsg_code == 4314:
log.debug('Create georeference process record ...')
timestamp = getTimestampAsPGStr()
georeference_parameter = str(convertUnicodeDictToUtf(request_data['georeference']))
georefProcess = Georeferenzierungsprozess(messtischblattid = messtischblatt.id, nutzerid = userid,
clipparameter = georeference_parameter, timestamp = timestamp, isvalide = True, type = 'new', refzoomify = True, publish = False, processed = False)
request.db.add(georefProcess)
request.db.flush()
log.debug('Creating passpoints ...')
# gcps = request_data['georeference']['gcps']
# passpoints = []
# for i in range(0,len(gcps)):
# unrefPoint = [gcps[i]['source'][0],gcps[i]['source'][1]]
# refPoint = 'POINT(%s %s)'%(gcps[i]['target'][0], gcps[i]['target'][1])
# passpoint = Passpoint(objectid = messtischblatt.id, userid = user.id, unrefpoint = unrefPoint,
# refpoint = refPoint, deprecated = False, timestamp = timestamp, georeferenceprocessid = georefProcess.id)
# request.db.add(passpoint)
# passpoints.append(passpoints)
log.debug('Create response ...')
##gcps = getJsonDictPasspointsForMapObject(messtischblatt.id, request.db)
response = {'text':'Georeference result saved. It will soon be ready for use.','georeferenceid':georefProcess.id, 'points':20,
'gcps':request_data['georeference'] ,'type':'confirm'}
return json.dumps(response, ensure_ascii=False, encoding='utf-8')
else:
raise GeoreferenceParameterError('Wrong or missing service parameter')
except GeoreferenceParameterError as e:
message = 'Wrong or missing service parameter - %s'%e.value
log.error(message)
return HTTPBadRequest(message)
except Exception as e:
message = 'Problems while computing validation result - %s'%e
log.error(message)
return HTTPInternalServerError(message)
def georeferenceConfirm(request):
log.info('Receive request for processing georeference validation result')
try:
userid = checkIsUser(request)
user = Users.by_username(userid, request.db)
request_data = None
if request.method == 'POST':
request_data = request.json_body
if request_data:
validateId(request_data['id'])
log.debug('Request data is valide: %s' % request_data)
log.debug(
'Check if there is already a registered georeference process for this messtischblatt ...'
)
messtischblatt = Messtischblatt.by_id(request_data['id'], request.db)
isAlreadyGeorefProcess = Georeferenzierungsprozess.by_messtischblattid(
messtischblatt.id, request.db)
if isAlreadyGeorefProcess is not None:
response = {
'text':
'There is already a registered georeference process for this messtischblatt. Please move forward to the update process.',
'georeferenceid': isAlreadyGeorefProcess.id
}
return json.dumps(response, ensure_ascii=False, encoding='utf-8')
# actual only support this option if target srs is EPSG:4314
log.debug('Start saving georeference process in the database ...')
epsg_code = int(
str(request_data['georeference']['target']).split(':')[1])
if request_data['georeference'][
'source'] == 'pixel' and epsg_code == 4314:
log.debug('Create georeference process record ...')
timestamp = getTimestampAsPGStr()
georeference_parameter = str(
convertUnicodeDictToUtf(request_data['georeference']))
georefProcess = Georeferenzierungsprozess(
messtischblattid=messtischblatt.id,
nutzerid=userid,
clipparameter=georeference_parameter,
timestamp=timestamp,
isvalide=True,
type='new',
refzoomify=True,
publish=False,
processed=False)
request.db.add(georefProcess)
request.db.flush()
log.debug('Creating passpoints ...')
# gcps = request_data['georeference']['gcps']
# passpoints = []
# for i in range(0,len(gcps)):
# unrefPoint = [gcps[i]['source'][0],gcps[i]['source'][1]]
# refPoint = 'POINT(%s %s)'%(gcps[i]['target'][0], gcps[i]['target'][1])
# passpoint = Passpoint(objectid = messtischblatt.id, userid = user.id, unrefpoint = unrefPoint,
# refpoint = refPoint, deprecated = False, timestamp = timestamp, georeferenceprocessid = georefProcess.id)
# request.db.add(passpoint)
# passpoints.append(passpoints)
log.debug('Create response ...')
##gcps = getJsonDictPasspointsForMapObject(messtischblatt.id, request.db)
response = {
'text':
'Georeference result saved. It will soon be ready for use.',
'georeferenceid': georefProcess.id,
'points': 20,
'gcps': request_data['georeference'],
'type': 'confirm'
}
return json.dumps(response, ensure_ascii=False, encoding='utf-8')
else:
raise GeoreferenceParameterError(
'Wrong or missing service parameter')
except GeoreferenceParameterError as e:
message = 'Wrong or missing service parameter - %s' % e.value
log.error(message)
return HTTPBadRequest(message)
except Exception as e:
message = 'Problems while computing validation result - %s' % e
log.error(message)
return HTTPInternalServerError(message)
def georeferenceUpdate(request):
log.info('Receive request for processing georeference update result')
try:
userid = checkIsUser(request)
request_data = None
if request.method == 'POST':
request_data = request.json_body
if request_data:
validateId(request_data['id'])
log.debug('Request data is valide: %s' % request_data)
log.debug(
'Check if there exists a registered georeference process for this messtischblatt ...'
)
messtischblatt = Messtischblatt.by_id(request_data['id'], request.db)
isAlreadyGeorefProcess = Georeferenzierungsprozess.by_messtischblattid(
messtischblatt.id, request.db)
if isAlreadyGeorefProcess is None:
response = {
'text':
'There is no registered georeference process for this messtischblatt. Please move back to the confirm process.'
}
return json.dumps(response, ensure_ascii=False, encoding='utf-8')
# actual only support this option if target srs is EPSG:4314
log.debug('Saving georeference process in the database ...')
if request_data['georeference']:
encoded_clip_params = convertUnicodeDictToUtf(
request_data['georeference'])
georefProcess = registerNewGeoreferenceProcessInDb(
messtischblatt.id, userid, str(encoded_clip_params), 'update',
request.db)
log.debug('Set update status for messtischblatt ...')
messtischblatt.setIsUpdated(True)
log.debug('Create response ...')
# right now the premise is that for the updated gcps are equal to the removed gcps. For every
# updated gcps the users get new points
achievement_points = len(
request_data['georeference']['remove']['gcps']) * 5
#gcps = getJsonDictPasspointsForMapObject(messtischblatt.id, request.db)
response = {
'text':
'Georeference result updated. It will soon be ready for use.',
'georeferenceid': georefProcess.id,
'points': achievement_points,
'gcps': request_data['georeference']['new'],
'type': 'update'
}
return json.dumps(response, ensure_ascii=False, encoding='utf-8')
else:
log.error('The remove and new parameters are not valide - %s')
raise GeoreferenceParameterError(
'The remove and new parameters are not valide.')
except GeoreferenceParameterError as e:
message = 'Wrong or missing service parameter - %s' % e.value
log.error(message)
return HTTPBadRequest(message)
except Exception as e:
message = 'Problems while computing validation result - %s' % e
log.error(message)
return HTTPInternalServerError(message)
