def processSingleGeorefProc(georefProc, dbsession, logger, testing=False):
logger.debug('Process single georeference process with id %s ...' %
georefProc.id)
# calculate georeference result
logger.debug('Create persistent georeference result ...')
messtischblatt = Messtischblatt.by_id(georefProc.messtischblattid,
dbsession)
if str(georefProc.type) == 'update':
parsedGeorefParameter = ast.literal_eval(str(
georefProc.clipparameter))['new']
else:
parsedGeorefParameter = ast.literal_eval(str(georefProc.clipparameter))
epsg_code = int(str(parsedGeorefParameter['target']).split(':')[1])
if parsedGeorefParameter['source'] == 'pixel' and epsg_code == 4314:
gcps = parseGcps(parsedGeorefParameter['gcps'])
clip_polygon = messtischblatt.BoundingBoxObj.asShapefile(
os.path.join(TMP_DIR, messtischblatt.dateiname + 'clip_polygon'))
destPath = georeference(
messtischblatt.original_path,
os.path.join(GEOREF_TARGET_DIR,
messtischblatt.dateiname + '.tif'), TMP_DIR, gcps,
epsg_code, epsg_code, 'polynom', logger, clip_polygon)
addOverviews(destPath, '2 4 8 16 32', logger)
if destPath is None:
logger.error(
'Something went wrong while trying to process a georeference process.'
)
raise GeoreferenceProcessingError(
'Something went wrong while trying to process a georeference process.'
)
if not testing:
# push metadata to catalogue
logger.debug(
'Push metadata record for messtischblatt %s to cataloge service ...'
% messtischblatt.id)
insertMetadata(id=messtischblatt.id, db=dbsession, logger=logger)
# update database
logger.debug('Update database ...')
# update verzeichnispfad for messtischblatt
georefProc.processed = True
messtischblatt.verzeichnispfad = destPath
messtischblatt.isttransformiert = True
refmtblayer = RefMtbLayer.by_id(MTB_LAYER_ID, messtischblatt.id, dbsession)
if not refmtblayer:
refmtblayer = RefMtbLayer(layer=MTB_LAYER_ID,
messtischblatt=messtischblatt.id)
dbsession.add(refmtblayer)
dbsession.flush()
return str(destPath)
def resetGeorefParameters(request):
try:
log.info('Receive a reset georeference parameter requests.')
login = checkIsUser(request)
dbsession = request.db
messtischblatt_id = request.params['mtbid']
georeference_process = Georeferenzierungsprozess.by_messtischblattid(messtischblatt_id, dbsession)
referenz = georeference_process.clipparameter
fehlerbeschreibung = 'Zuruecksetzen von Georeferenzierungsparameter für GeorefId=%s'%georeference_process.id
if login and messtischblatt_id and referenz and fehlerbeschreibung and Users.by_username(login, dbsession):
log.debug('Save reset process in table fehlermeldungen ...')
newFehlermeldung = Fehlermeldung(objektid = messtischblatt_id, referenz = referenz, nutzerid = login,
fehlerbeschreibung = fehlerbeschreibung, timestamp = getTimestampAsPGStr())
dbsession.add(newFehlermeldung)
log.debug('Remove georeference process ...')
dbsession.delete(georeference_process)
log.debug('Remove refmtblayer ...')
try:
refmtblayer = RefMtbLayer.by_id(MTB_LAYER_ID, messtischblatt_id, dbsession)
dbsession.delete(refmtblayer)
except:
log.debug('No entry for refmtblayer found ...')
pass
log.debug('Update messtischblatt db ...')
messtischblatt = Messtischblatt.by_id(messtischblatt_id, dbsession)
messtischblatt.isttransformiert = False
return json.dumps({'status':'confirmed'}, ensure_ascii=False, encoding='utf-8')
except DBAPIError:
log.error('Problems while trying to remove georeference parameter from the database ...')
return Response(conn_err_msg, content_type='text/plain', status_int=500)
def resetGeorefParameters(request):
try:
log.info('Receive a reset georeference parameter requests.')
login = checkIsUser(request)
dbsession = request.db
messtischblatt_id = request.params['mtbid']
georeference_process = Georeferenzierungsprozess.by_messtischblattid(
messtischblatt_id, dbsession)
referenz = georeference_process.clipparameter
fehlerbeschreibung = 'Zuruecksetzen von Georeferenzierungsparameter für GeorefId=%s' % georeference_process.id
if login and messtischblatt_id and referenz and fehlerbeschreibung and Users.by_username(
login, dbsession):
log.debug('Save reset process in table fehlermeldungen ...')
newFehlermeldung = Fehlermeldung(
objektid=messtischblatt_id,
referenz=referenz,
nutzerid=login,
fehlerbeschreibung=fehlerbeschreibung,
timestamp=getTimestampAsPGStr())
dbsession.add(newFehlermeldung)
log.debug('Remove georeference process ...')
dbsession.delete(georeference_process)
log.debug('Remove refmtblayer ...')
try:
refmtblayer = RefMtbLayer.by_id(MTB_LAYER_ID,
messtischblatt_id, dbsession)
dbsession.delete(refmtblayer)
except:
log.debug('No entry for refmtblayer found ...')
pass
log.debug('Update messtischblatt db ...')
messtischblatt = Messtischblatt.by_id(messtischblatt_id, dbsession)
messtischblatt.isttransformiert = False
return json.dumps({'status': 'confirmed'},
ensure_ascii=False,
encoding='utf-8')
except DBAPIError:
log.error(
'Problems while trying to remove georeference parameter from the database ...'
)
return Response(conn_err_msg,
content_type='text/plain',
status_int=500)
def resetMapObject(mapObjectId, dbsession, logger, testing = False):
logger.debug('Reset map object into unreferenced state.')
messtischblatt = Messtischblatt.by_id(mapObjectId, dbsession)
messtischblatt.isttransformiert = False
messtischblatt.hasgeorefparams = 0
messtischblatt.verzeichnispfad = messtischblatt.original_path
refmtblayer = RefMtbLayer.by_id(MTB_LAYER_ID, messtischblatt.id, dbsession)
if refmtblayer:
dbsession.delete(refmtblayer)
if testing:
dbsession.rollback()
logger.debug('Remove metadata record from catalog instance')
if not testing:
gn_transaction_delete('vk20-md-%s'%messtischblatt.id, GN_SETTINGS['gn_username'], GN_SETTINGS['gn_password'], logger)
return True
def resetMapObject(mapObjectId, dbsession, logger, testing=False):
logger.debug('Reset map object into unreferenced state.')
messtischblatt = Messtischblatt.by_id(mapObjectId, dbsession)
messtischblatt.isttransformiert = False
messtischblatt.hasgeorefparams = 0
messtischblatt.verzeichnispfad = messtischblatt.original_path
refmtblayer = RefMtbLayer.by_id(MTB_LAYER_ID, messtischblatt.id, dbsession)
if refmtblayer:
dbsession.delete(refmtblayer)
if testing:
dbsession.rollback()
logger.debug('Remove metadata record from catalog instance')
if not testing:
gn_transaction_delete('vk20-md-%s' % messtischblatt.id,
GN_SETTINGS['gn_username'],
GN_SETTINGS['gn_password'], logger)
return True
def processSingleGeorefProc(georefProc, dbsession, logger, testing = False):
logger.debug('Process single georeference process with id %s ...'%georefProc.id)
# calculate georeference result
logger.debug('Create persistent georeference result ...')
messtischblatt = Messtischblatt.by_id(georefProc.messtischblattid, dbsession)
if str(georefProc.type) == 'update':
parsedGeorefParameter = ast.literal_eval(str(georefProc.clipparameter))['new']
else:
parsedGeorefParameter = ast.literal_eval(str(georefProc.clipparameter))
epsg_code = int(str(parsedGeorefParameter['target']).split(':')[1])
if parsedGeorefParameter['source'] == 'pixel' and epsg_code == 4314:
gcps = parseGcps(parsedGeorefParameter['gcps'])
clip_polygon = messtischblatt.BoundingBoxObj.asShapefile(os.path.join(TMP_DIR, messtischblatt.dateiname+'clip_polygon'))
destPath = georeference(messtischblatt.original_path, os.path.join(GEOREF_TARGET_DIR,messtischblatt.dateiname+'.tif'),
TMP_DIR, gcps, epsg_code, epsg_code, 'polynom', logger, clip_polygon)
addOverviews(destPath, '2 4 8 16 32', logger)
if destPath is None:
logger.error('Something went wrong while trying to process a georeference process.')
raise GeoreferenceProcessingError('Something went wrong while trying to process a georeference process.')
if not testing:
# push metadata to catalogue
logger.debug('Push metadata record for messtischblatt %s to cataloge service ...'%messtischblatt.id)
insertMetadata(id=messtischblatt.id,db=dbsession,logger=logger)
# update database
logger.debug('Update database ...')
# update verzeichnispfad for messtischblatt
georefProc.processed = True
messtischblatt.verzeichnispfad = destPath
messtischblatt.isttransformiert = True
refmtblayer = RefMtbLayer.by_id(MTB_LAYER_ID, messtischblatt.id, dbsession)
if not refmtblayer:
refmtblayer = RefMtbLayer(layer=MTB_LAYER_ID, messtischblatt=messtischblatt.id)
dbsession.add(refmtblayer)
dbsession.flush()
return str(destPath)
