def getTimestampsForId(request):
""" Returns a json document which contains a a list of messtischblatt tuples which
have the same blattnumber like the given object. """
try:
log.info('Receive request for timestamps for a given object number.')
dbsession = request.db
object_id = request.GET.get('id')
metadataObj = Metadata.by_id(object_id, dbsession)
spatial_relation_objects = VBlattschnittMtb.allForBlattnr(
metadataObj.blattnr, dbsession)
#create response
response = []
for rel_object in spatial_relation_objects:
if rel_object.isttransformiert:
response.append({
'id':
rel_object.mapid,
'time':
rel_object.time,
'extent':
Map.getExtent(rel_object.map, dbsession, DATABASE_SRID)
})
return {'maps': response}
except DBAPIError as e:
log.error(e)
log.error(traceback.format_exc())
raise HTTPInternalServerError(GENERAL_ERROR_MESSAGE)
def createResponseForSpecificGeoreferenceProcess(mapObj,
request,
georeferenceid=None):
log.debug('Create response for specific georeference process ...')
mtb_extent = Map.getExtent(mapObj.id, request.db)
if georeferenceid is None:
georeferenceprocess = Georeferenzierungsprozess.getActualGeoreferenceProcessForMapId(
mapObj.id, request.db)
else:
georeferenceprocess = Georeferenzierungsprozess.by_id(
georeferenceid, request.db)
pure_clipparameters = georeferenceprocess.georefparams
# get the actual valide gcps
gcps = None
if georeferenceprocess.type == 'new':
# in case of a new registered clip_parameter
gcps = pure_clipparameters
else:
# in case of an update process
gcps = pure_clipparameters['new']
# get zoomify and metadata information
log.debug('Create response ...')
metadata = Metadata.by_id(mapObj.id, request.db)
response = {
'type': 'update',
'objectid': mapObj.id,
'georeferenceid': georeferenceprocess.id,
'timestamp': str(georeferenceprocess.timestamp),
'gcps': gcps,
'extent': mtb_extent,
'zoomify': metadata.imagezoomify,
'metadata': {
'dateiname': mapObj.apsdateiname,
'titel_long': metadata.title,
'titel_short': metadata.titleshort
}
}
# check if there is an other user is working on this map right now
# @TODO use babel lingua fpr translation
try:
areTherePendingUpdateProcesses = Georeferenzierungsprozess.arePendingProcessForMapId(
mapObj.id, request.db)
if areTherePendingUpdateProcesses:
if request.locale_name == 'de':
warnMsg = 'Aktuell wird das Kartenblatt von anderen Nutzern bearbeitet. Um Informationsverluste zu vermeiden versuchen Sie es bitte noch einmal in ein 15 Minuten.'
else:
warnMsg = 'Right now another users is working on the georeferencing of this map sheet. For preventing information losses please try again in 15 minutes.'
response['warn'] = warnMsg
return response
except ProcessIsInvalideException as e:
pass
return response
def createResponseForSpecificGeoreferenceProcess(mapObj, request, georeferenceid = None):
log.debug('Create response for specific georeference process ...')
mtb_extent = Map.getExtent(mapObj.id, request.db)
if georeferenceid is None:
georeferenceprocess = Georeferenzierungsprozess.getActualGeoreferenceProcessForMapId(mapObj.id, request.db)
else:
georeferenceprocess = Georeferenzierungsprozess.by_id(georeferenceid, request.db)
pure_clipparameters = georeferenceprocess.georefparams
# get the actual valide gcps
gcps = None
if georeferenceprocess.type == 'new':
# in case of a new registered clip_parameter
gcps = pure_clipparameters
else:
# in case of an update process
gcps = pure_clipparameters['new']
# get zoomify and metadata information
log.debug('Create response ...')
metadata = Metadata.by_id(mapObj.id, request.db)
response = {
'type':'update',
'objectid': mapObj.id,
'georeferenceid':georeferenceprocess.id,
'timestamp':str(georeferenceprocess.timestamp),
'gcps':gcps,
'extent': mtb_extent,
'zoomify': metadata.imagezoomify,
'metadata': {
'dateiname': mapObj.apsdateiname,
'titel_long': metadata.title,
'titel_short': metadata.titleshort
}
}
# check if there is an other user is working on this map right now
# @TODO use babel lingua fpr translation
try:
areTherePendingUpdateProcesses = Georeferenzierungsprozess.arePendingProcessForMapId(mapObj.id, request.db)
if areTherePendingUpdateProcesses:
if request.locale_name == 'de':
warnMsg = 'Aktuell wird das Kartenblatt von anderen Nutzern bearbeitet. Um Informationsverluste zu vermeiden versuchen Sie es bitte noch einmal in ein 15 Minuten.'
else:
warnMsg = 'Right now another users is working on the georeferencing of this map sheet. For preventing information losses please try again in 15 minutes.'
response['warn'] = warnMsg
return response
except ProcessIsInvalideException as e:
pass
return response
def createGeneralResponse(mapObj, request):
log.debug('Create general response ...')
isAlreadyGeorefProcess = Georeferenzierungsprozess.isGeoreferenced(
mapObj.id, request.db)
if isAlreadyGeorefProcess:
return createResponseForSpecificGeoreferenceProcess(mapObj, request)
else:
mtb_extent = Map.getExtent(mapObj.id, request.db)
gcps = {
'source':
'pixel',
'target':
'EPSG:4314',
'gcps': [{
"source": [],
"target": [mtb_extent[0], mtb_extent[1]]
}, {
"source": [],
"target": [mtb_extent[0], mtb_extent[3]]
}, {
"source": [],
"target": [mtb_extent[2], mtb_extent[1]]
}, {
"source": [],
"target": [mtb_extent[2], mtb_extent[3]]
}]
}
# get zoomify and metadata information
log.debug('Create response ...')
metadata = Metadata.by_id(mapObj.id, request.db)
return {
'type': 'new',
'objectid': mapObj.id,
'georeferenceid': "",
'timestamp': "",
'gcps': gcps,
'extent': mtb_extent,
'zoomify': metadata.imagezoomify,
'metadata': {
'dateiname': mapObj.apsdateiname,
'titel_long': metadata.title,
'titel_short': metadata.titleshort
}
}
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
mapObj = parseMapObjForId(request_data, 'id', request.db)
log.debug('Id is valide: %s'%request_data)
log.debug('Start creating validation result ...')
# 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(mapObj.originalimage, os.path.join(GEOREFERENCE_MAPFILE_FOLDER,mapObj.apsdateiname+"::"+str(getUniqueId())+".vrt"),
GEOREFERENCE_TMP_DIR, gcps, epsg_code, epsg_code, 'polynom', log)
log.debug('Create temporary mapfile ...')
wms_url = createMapfile(mapObj.apsdateiname, destPath, GEOREFERENCE_MAPFILE_TEMPLATE, GEOREFERENCE_MAPFILE_FOLDER, GEOREFERENCE_MAPFILE_DEFAULT_PARAMS)
log.debug('Create response ...')
response = {'wms_url':wms_url,'layer_id':mapObj.apsdateiname,'extent':Map.getExtent(mapObj.id, request.db)}
return response
else:
raise GeoreferenceParameterError('Wrong or missing service parameter')
except GeoreferenceParameterError as e:
log.error(e)
log.error(traceback.format_exc())
raise HTTPBadRequest(ERROR_MSG)
except Exception as e:
log.error(e)
log.error(traceback.format_exc())
raise HTTPInternalServerError(ERROR_MSG)
def createGeneralResponse(mapObj, request):
log.debug('Create general response ...')
isAlreadyGeorefProcess = Georeferenzierungsprozess.isGeoreferenced(mapObj.id, request.db)
if isAlreadyGeorefProcess:
return createResponseForSpecificGeoreferenceProcess(mapObj, request)
else:
mtb_extent = Map.getExtent(mapObj.id, request.db)
gcps = {
'source':'pixel',
'target':'EPSG:4314',
'gcps': [
{"source":[], "target":[mtb_extent[0],mtb_extent[1]]},
{"source":[], "target":[mtb_extent[0],mtb_extent[3]]},
{"source":[], "target":[mtb_extent[2],mtb_extent[1]]},
{"source":[], "target":[mtb_extent[2],mtb_extent[3]]}
]
}
# get zoomify and metadata information
log.debug('Create response ...')
metadata = Metadata.by_id(mapObj.id, request.db)
return {
'type':'new',
'objectid': mapObj.id,
'georeferenceid':"",
'timestamp':"",
'gcps':gcps,
'extent': mtb_extent,
'zoomify': metadata.imagezoomify,
'metadata': {
'dateiname': mapObj.apsdateiname,
'titel_long': metadata.title,
'titel_short': metadata.titleshort
}
}
def getTimestampsForId(request):
""" Returns a json document which contains a a list of messtischblatt tuples which
have the same blattnumber like the given object. """
try:
log.info('Receive request for timestamps for a given object number.')
dbsession = request.db
object_id = request.GET.get('id')
metadataObj = Metadata.by_id(object_id, dbsession)
spatial_relation_objects = VBlattschnittMtb.allForBlattnr(metadataObj.blattnr, dbsession)
#create response
response = []
for rel_object in spatial_relation_objects:
if rel_object.isttransformiert:
response.append({'id':rel_object.mapid,'time':rel_object.time,'extent': Map.getExtent(rel_object.map, dbsession, DATABASE_SRID)})
return {'maps':response}
except DBAPIError as e:
log.error(e)
log.error(traceback.format_exc())
raise HTTPInternalServerError(GENERAL_ERROR_MESSAGE)