def generateGeoreferenceProcessForMapObj(mapObjId, request, log): """ Function generates a process process for a given map object id :type mapObjId: int :type request: pyramid.request :type log: logging.Logger :return: dict """ def getMtbGLSpecificGeoreferenceInformation(mapObj, request): """ Query the specific process base data for a messtischblatt/geological map :type mapObj: georeference.models.vkdb.map.Map :type request: pyramid.request :return: dict """ srid = mapObj.getSRID(request.db) extent = mapObj.getExtent(request.db, srid) return { 'georeference': { 'source':'pixel', 'target':'EPSG:%s'%srid, 'gcps': [ {"source":[], "target":[extent[0],extent[1]]}, {"source":[], "target":[extent[0],extent[3]]}, {"source":[], "target":[extent[2],extent[1]]}, {"source":[], "target":[extent[2],extent[3]]} ], 'algorithm': 'affine' }, 'extent':extent } mapObj = Map.by_id(mapObjId, request.db) # get general metadata log.debug('Get general process process information ...') generalMetadata = getGeneralMetadata(mapObj, request) # check if there exist already a activate process process for # this mapObj log.debug('Get specific process process information ...') if Georeferenzierungsprozess.isGeoreferenced(mapObj.id, request.db): # there does exist a process process for this mapObj georefProcessObj = Georeferenzierungsprozess.getActualGeoreferenceProcessForMapId(mapObj.id, request.db) georeferenceData = getSpecificGeoreferenceData(georefProcessObj, mapObj, 4326, request.db) else: # there does not exist a process process for this mapObj georeferenceData = { "timestamp": "", "type": "new" } # This blog could be used for attaching information regarding the boundingbox and the extent to the # response. In case no georeference information is registered yet this could be used by the client for # doing a matching of corner point coordinates and the extent corners. # # log.debug('Check if there is special behavior needed in case of messtischblatt') # mtbGeorefBaseData = {} # if mapObj.maptype == 'M' and 'georeference' not in georeferenceData and mapObj.boundingbox is not None: # mtbGeorefBaseData = getMtbGLSpecificGeoreferenceInformation(mapObj, request) # response.update(mtbGeorefBaseData) log.debug('Check if there are pending processes in the database') warnMsg = {} if checkIfPendingProcessesExist(mapObj, request): warnMsg["warn"] = 'Right now another users is working on the georeferencing of this map sheet. For preventing information losses please try again in 15 minutes.' # now merge dictionaries and create response response = { "recommendedsrid": mapObj.recommendedsrid } response.update(generalMetadata) response.update(georeferenceData) response.update(warnMsg) return response
def georeferenceConfirm(request): """ The function persistent saves a georeference confirmation request :type request: pyramid.request :return: dict :raise: HTTPBadRequest :raise: HTTPInternalServerError """ LOGGER.info('Receive georeference validation request with parameters: %s' % request.json_body) try: # extract validation data LOGGER.debug('Parse request params ...') requestData = parseGeoreferenceParamsFromRequest(request) # in case of type new, # check if there already exist an actual georeference process for this object with this type if requestData[ 'type'] == 'new' and Georeferenzierungsprozess.isGeoreferenced( requestData['mapObj'].id, request.db): msg = 'There exists already an active georeference process for this map id. It is therefore not possible to save a georeference process of type "new".' LOGGER.debug(msg) georeferenceid = Georeferenzierungsprozess.getActualGeoreferenceProcessForMapId( requestData['mapObj'].id, request.db).id return {'text': msg, 'georeferenceid': georeferenceid} LOGGER.debug('Save georeference parameter in datase ...') timestamp = convertTimestampToPostgisString(datetime.now()) georefParam = str(convertUnicodeDictToUtf(requestData['georeference'])) overwrites = requestData[ 'overwrites'] if 'overwrites' in requestData else 0 georefProcess = Georeferenzierungsprozess( messtischblattid=requestData['mapObj'].apsobjectid, nutzerid=requestData['userid'], georefparams=ast.literal_eval(georefParam), timestamp=timestamp, isactive=False, type=requestData['type'], overwrites=overwrites, adminvalidation='', processed=False, mapid=requestData['mapObj'].id, algorithm=requestData['georeference']['algorithm']) request.db.add(georefProcess) request.db.flush() # add polygon if 'clip' in requestData: clipParam = convertUnicodeDictToUtf(requestData['clip']) polygonAsString = convertListToPostgisString( clipParam['polygon'], 'POLYGON') georefProcess.setClip(polygonAsString, stripSRIDFromEPSG(clipParam['source']), request.db) LOGGER.debug('Create response ...') # @TODO has to be updated points = int(len(requestData['georeference']['gcps']) * 5) return { 'text': 'Georeference result saved. It will soon be ready for use.', 'georeferenceid': georefProcess.id, 'points': points } except ParameterException as e: LOGGER.error(e) LOGGER.error(traceback.format_exc()) raise HTTPBadRequest(ERROR_MSG) except Exception as e: LOGGER.error(e) LOGGER.error(traceback.format_exc()) raise HTTPInternalServerError(ERROR_MSG)