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comparison python/storage.py @ 587:cf578ba866da

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added code to load bounding box corners as trajectories
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Thu, 04 Dec 2014 17:46:32 -0500
parents ff4f0ce46ca6
children c5406edbcf12
comparison
equal deleted inserted replaced
586:ff4f0ce46ca6 587:cf578ba866da
247 247
248 def getTrajectoryIdQuery(objectNumbers, trajectoryType): 248 def getTrajectoryIdQuery(objectNumbers, trajectoryType):
249 if trajectoryType == 'feature': 249 if trajectoryType == 'feature':
250 statementBeginning = 'where trajectory_id ' 250 statementBeginning = 'where trajectory_id '
251 elif trajectoryType == 'object': 251 elif trajectoryType == 'object':
252 statementBeginning = 'and OF.object_id ' 252 statementBeginning = 'and OF.object_id '
253 elif trajectoryType == 'bbtop' or 'bbbottom':
254 statementBeginning = 'where object_id '
253 else: 255 else:
254 print('no trajectory type was chosen') 256 print('no trajectory type was chosen')
255 257
256 if objectNumbers is None: 258 if objectNumbers is None:
257 query = '' 259 query = ''
267 269
268 returns a moving object''' 270 returns a moving object'''
269 cursor = connection.cursor() 271 cursor = connection.cursor()
270 272
271 try: 273 try:
274 trajectoryIdQuery = getTrajectoryIdQuery(objectNumbers, trajectoryType)
272 if trajectoryType == 'feature': 275 if trajectoryType == 'feature':
273 trajectoryIdQuery = getTrajectoryIdQuery(objectNumbers, trajectoryType) 276 queryStatement = 'SELECT * from '+tableName+' '+trajectoryIdQuery+'ORDER BY trajectory_id, frame_number'
274 queryStatement = 'SELECT * from '+tableName+' '+trajectoryIdQuery+'order by trajectory_id, frame_number'
275 cursor.execute(queryStatement) 277 cursor.execute(queryStatement)
276 logging.debug(queryStatement) 278 logging.debug(queryStatement)
277 elif trajectoryType == 'object': 279 elif trajectoryType == 'object':
278 objectIdQuery = getTrajectoryIdQuery(objectNumbers, trajectoryType) 280 queryStatement = 'SELECT OF.object_id, P.frame_number, avg(P.x_coordinate), avg(P.y_coordinate) from '+tableName+' P, objects_features OF where P.trajectory_id = OF.trajectory_id '+objectIdQuery+'group by OF.object_id, P.frame_number ORDER BY OF.object_id, P.frame_number'
279 queryStatement = 'SELECT OF.object_id, P.frame_number, avg(P.x_coordinate), avg(P.y_coordinate) from '+tableName+' P, objects_features OF where P.trajectory_id = OF.trajectory_id '+objectIdQuery+'group by OF.object_id, P.frame_number order by OF.object_id, P.frame_number' 281 cursor.execute(queryStatement)
282 logging.debug(queryStatement)
283 elif trajectoryType == 'bbtop' or trajectoryType == 'bbbottom':
284 if trajectoryType == 'bbtop':
285 corner = 'top_left'
286 elif trajectoryType == 'bbbottom':
287 corner = 'bottom_right'
288 queryStatement = 'SELECT object_id, frame_number, x_'+corner+', y_'+corner+' FROM '+tableName+' '+trajectoryIdQuery+'ORDER BY object_id, frame_number'
280 cursor.execute(queryStatement) 289 cursor.execute(queryStatement)
281 logging.debug(queryStatement) 290 logging.debug(queryStatement)
282 else: 291 else:
283 print('no trajectory type was chosen') 292 print('no trajectory type was chosen')
284 except sqlite3.OperationalError as error: 293 except sqlite3.OperationalError as error:
289 obj = None 298 obj = None
290 objects = [] 299 objects = []
291 for row in cursor: 300 for row in cursor:
292 if row[0] != objId: 301 if row[0] != objId:
293 objId = row[0] 302 objId = row[0]
294 if obj: 303 if obj != None:
295 objects.append(obj) 304 objects.append(obj)
296 obj = moving.MovingObject(row[0], timeInterval = moving.TimeInterval(row[1], row[1]), positions = moving.Trajectory([[row[2]],[row[3]]])) 305 obj = moving.MovingObject(row[0], timeInterval = moving.TimeInterval(row[1], row[1]), positions = moving.Trajectory([[row[2]],[row[3]]]))
297 else: 306 else:
298 obj.timeInterval.last = row[1] 307 obj.timeInterval.last = row[1]
299 obj.positions.addPositionXY(row[2],row[3]) 308 obj.positions.addPositionXY(row[2],row[3])
495 printDBError(error) 504 printDBError(error)
496 return boundingBoxes 505 return boundingBoxes
497 connection.close() 506 connection.close()
498 return boundingBoxes 507 return boundingBoxes
499 508
509 def loadBoundingBoxTable(filename):
510 connection = sqlite3.connect(filename)
511 cursor = connection.cursor()
512 boundingBoxes = []
513
514 try:
515 pass
516 except sqlite3.OperationalError as error:
517 printDBError(error)
518 return boundingBoxes
519 connection.close()
520 return boundingBoxes
521
500 522
501 ######################### 523 #########################
502 # txt files 524 # txt files
503 ######################### 525 #########################
504 526