def query(self, queryId, iterationId, queriesParameters):
(eTime, result) = (-1, None)
connection = self.getConnection()
cursor = connection.cursor()
self.prepareQuery(cursor, queryId, queriesParameters, False)
monetdbops.dropTable(cursor, self.resultTable, True)
t0 = time.time()
(query, queryArgs) = dbops.getSelect(self.qp, self.flatTable,
self.addContainsCondition,
self.DM_FLAT)
if self.qp.queryMethod != 'stream': # disk or stat
monetdbops.mogrifyExecute(
cursor, "CREATE TABLE " + self.resultTable + " AS " + query +
" WITH DATA", queryArgs)
(eTime, result) = dbops.getResult(cursor, t0, self.resultTable,
self.DM_FLAT, True,
self.qp.columns,
self.qp.statistics)
else:
sqlFileName = str(queryId) + '.sql'
monetdbops.createSQLFile(sqlFileName, query, queryArgs)
result = monetdbops.executeSQLFileCount(self.dbName, sqlFileName)
eTime = time.time() - t0
connection.close()
return (eTime, result)
def initialize(self):
# Variables used during query
self.queryIndex = None
self.resultTable = None
self.qp = None
connection = self.getConnection()
cursor = connection.cursor()
logging.info("Getting SRID and extent from " + self.dbName)
monetdbops.mogrifyExecute(cursor, "SELECT srid, minx, miny, maxx, maxy, scalex, scaley from " + self.metaTable)
(self.srid, self.minX, self.minY, self.maxX, self.maxY, self.scaleX, self.scaleY) = cursor.fetchone()
# Create the quadtree
qtDomain = (0, 0, int((self.maxX - self.minX) / self.scaleX), int((self.maxY - self.minY) / self.scaleY))
self.quadtree = QuadTree(qtDomain, "auto")
# Differentiate QuadTree nodes that are fully in the query region
self.mortonDistinctIn = False
self.queryColsData = self.DM_FLAT.copy()
if not ("x" in self.columns and "y" in self.columns):
self.queryColsData["x"] = (
"GetX(morton2D, " + str(self.scaleX) + ", " + str(int(self.minX / self.scaleX)) + ")",
"DOUBLE PRECISION",
)
self.queryColsData["y"] = (
"GetY(morton2D, " + str(self.scaleY) + ", " + str(int(self.minY / self.scaleY)) + ")",
"DOUBLE PRECISION",
)
# Drops possible query table
monetdbops.dropTable(cursor, utils.QUERY_TABLE, check=True)
# Create query table
cursor.execute("CREATE TABLE " + utils.QUERY_TABLE + " (id integer, geom Geometry);")
connection.commit()
connection.close()
def initialize(self):
#Variables used during query
self.queryIndex = None
self.resultTable = None
self.qp = None
connection = self.getConnection()
cursor = connection.cursor()
logging.info('Getting SRID and extent from ' + self.dbName)
monetdbops.mogrifyExecute(cursor, "SELECT srid, minx, miny, maxx, maxy, scalex, scaley from " + self.metaTable)
(self.srid, self.minX, self.minY, self.maxX, self.maxY, self.scaleX, self.scaleY) = cursor.fetchone()
# Drops possible query table
monetdbops.dropTable(cursor, utils.QUERY_TABLE, check = True)
# Create query table
cursor.execute("CREATE TABLE " + utils.QUERY_TABLE + " (id integer, geom Geometry);")
connection.commit()
connection.close()
def query(self, queryId, iterationId, queriesParameters):
(eTime, result) = (-1, None)
connection = self.getConnection()
cursor = connection.cursor()
self.prepareQuery(cursor, queryId, queriesParameters, False)
monetdbops.dropTable(cursor, self.resultTable, True)
wkt = self.qp.wkt
if self.qp.queryType == 'nn':
g = loads(self.qp.wkt)
wkt = dumps(g.buffer(self.qp.rad))
t0 = time.time()
scaledWKT = wktops.scale(wkt, self.scaleX, self.scaleY, self.minX,
self.minY)
(mimranges,
mxmranges) = self.quadtree.getMortonRanges(scaledWKT,
self.mortonDistinctIn,
maxRanges=MAXIMUM_RANGES)
if len(mimranges) == 0 and len(mxmranges) == 0:
logging.info('None morton range in specified extent!')
return (eTime, result)
(query, queryArgs) = dbops.getSelectMorton(mimranges, mxmranges,
self.qp, self.flatTable,
self.addContainsCondition,
self.queryColsData)
if self.qp.queryMethod != 'stream': # disk or stat
monetdbops.mogrifyExecute(
cursor, "CREATE TABLE " + self.resultTable + " AS " + query +
" WITH DATA", queryArgs)
(eTime, result) = dbops.getResult(cursor, t0, self.resultTable,
self.DM_FLAT, True,
self.qp.columns,
self.qp.statistics)
else:
sqlFileName = str(queryId) + '.sql'
monetdbops.createSQLFile(sqlFileName, query, queryArgs)
result = monetdbops.executeSQLFileCount(self.dbName, sqlFileName)
eTime = time.time() - t0
connection.close()
return (eTime, result)
def query(self, queryId, iterationId, queriesParameters):
(eTime, result) = (-1, None)
connection = self.getConnection()
cursor = connection.cursor()
self.prepareQuery(cursor, queryId, queriesParameters, False)
monetdbops.dropTable(cursor, self.resultTable, True)
t0 = time.time()
(query, queryArgs) = dbops.getSelect(self.qp, self.flatTable, self.addContainsCondition, self.DM_FLAT)
if self.qp.queryMethod != 'stream': # disk or stat
monetdbops.mogrifyExecute(cursor, "CREATE TABLE " + self.resultTable + " AS " + query + " WITH DATA", queryArgs)
(eTime, result) = dbops.getResult(cursor, t0, self.resultTable, self.DM_FLAT, True, self.qp.columns, self.qp.statistics)
else:
sqlFileName = str(queryId) + '.sql'
monetdbops.createSQLFile(sqlFileName, query, queryArgs)
result = monetdbops.executeSQLFileCount(self.dbName, sqlFileName)
eTime = time.time() - t0
connection.close()
return (eTime, result)
def initialize(self):
#Variables used during query
self.queryIndex = None
self.resultTable = None
self.qp = None
connection = self.getConnection()
cursor = connection.cursor()
logging.info('Getting SRID and extent from ' + self.dbName)
monetdbops.mogrifyExecute(
cursor,
"SELECT srid, minx, miny, maxx, maxy, scalex, scaley from " +
self.metaTable)
(self.srid, self.minX, self.minY, self.maxX, self.maxY, self.scaleX,
self.scaleY) = cursor.fetchone()
# Create the quadtree
qtDomain = (0, 0, int((self.maxX - self.minX) / self.scaleX),
int((self.maxY - self.minY) / self.scaleY))
self.quadtree = QuadTree(qtDomain, 'auto')
# Differentiate QuadTree nodes that are fully in the query region
self.mortonDistinctIn = False
self.queryColsData = self.DM_FLAT.copy()
if not ('x' in self.columns and 'y' in self.columns):
self.queryColsData['x'] = ('GetX(morton2D, ' + str(self.scaleX) +
', ' +
str(int(self.minX / self.scaleX)) + ')',
'DOUBLE PRECISION')
self.queryColsData['y'] = ('GetY(morton2D, ' + str(self.scaleY) +
', ' +
str(int(self.minY / self.scaleY)) + ')',
'DOUBLE PRECISION')
# Drops possible query table
monetdbops.dropTable(cursor, utils.QUERY_TABLE, check=True)
# Create query table
cursor.execute("CREATE TABLE " + utils.QUERY_TABLE +
" (id integer, geom Geometry);")
connection.commit()
connection.close()
def query(self, queryId, iterationId, queriesParameters):
(eTime, result) = (-1, None)
connection = self.getConnection()
cursor = connection.cursor()
self.prepareQuery(cursor, queryId, queriesParameters, False)
monetdbops.dropTable(cursor, self.resultTable, True)
wkt = self.qp.wkt
if self.qp.queryType == "nn":
g = loads(self.qp.wkt)
wkt = dumps(g.buffer(self.qp.rad))
t0 = time.time()
scaledWKT = wktops.scale(wkt, self.scaleX, self.scaleY, self.minX, self.minY)
(mimranges, mxmranges) = self.quadtree.getMortonRanges(
scaledWKT, self.mortonDistinctIn, maxRanges=MAXIMUM_RANGES
)
if len(mimranges) == 0 and len(mxmranges) == 0:
logging.info("None morton range in specified extent!")
return (eTime, result)
(query, queryArgs) = dbops.getSelectMorton(
mimranges, mxmranges, self.qp, self.flatTable, self.addContainsCondition, self.queryColsData
)
if self.qp.queryMethod != "stream": # disk or stat
monetdbops.mogrifyExecute(
cursor, "CREATE TABLE " + self.resultTable + " AS " + query + " WITH DATA", queryArgs
)
(eTime, result) = dbops.getResult(
cursor, t0, self.resultTable, self.DM_FLAT, True, self.qp.columns, self.qp.statistics
)
else:
sqlFileName = str(queryId) + ".sql"
monetdbops.createSQLFile(sqlFileName, query, queryArgs)
result = monetdbops.executeSQLFileCount(self.dbName, sqlFileName)
eTime = time.time() - t0
connection.close()
return (eTime, result)
def initialize(self):
#Variables used during query
self.queryIndex = None
self.resultTable = None
self.qp = None
connection = self.getConnection()
cursor = connection.cursor()
logging.info('Getting SRID and extent from ' + self.dbName)
monetdbops.mogrifyExecute(
cursor,
"SELECT srid, minx, miny, maxx, maxy, scalex, scaley from " +
self.metaTable)
(self.srid, self.minX, self.minY, self.maxX, self.maxY, self.scaleX,
self.scaleY) = cursor.fetchone()
# Drops possible query table
monetdbops.dropTable(cursor, utils.QUERY_TABLE, check=True)
# Create query table
cursor.execute("CREATE TABLE " + utils.QUERY_TABLE +
" (id integer, geom Geometry);")
connection.commit()
connection.close()
def processInputFolder(self, index, inputFolder):
# Create connection
connection = self.getConnection()
cursor = connection.cursor()
# Add the meta-data to the meta table
metaArgs = (self.flatTable, self.srid, self.minX, self.minY, self.maxX,
self.maxY, self.scaleX, self.scaleY)
monetdbops.mogrifyExecute(
cursor, "INSERT INTO " + self.metaTable +
" VALUES (%s,%s,%s,%s,%s,%s,%s,%s)", metaArgs)
l2colCols = []
for c in self.columns:
l2colCols.append(self.DM_LAS2COL[c])
if self.partitioning:
for m in sorted(self.tilesFiles):
# Split the list of input files in bunches of maximum MAX_FILES files
inputFilesLists = numpy.array_split(
self.tilesFiles[m],
int(
math.ceil(
float(len(self.tilesFiles[m])) /
float(MAX_FILES))))
for i in range(len(inputFilesLists)):
# Create the file with the list of PC files
listFile = self.tempDir + '/' + str(m) + '_' + str(
i) + '_listFile'
outputFile = open(listFile, 'w')
for f in inputFilesLists[i]:
outputFile.write(f + '\n')
outputFile.close()
# Generate the command for the NLeSC Binary converter
inputArg = '-f ' + listFile
tempFile = self.tempDir + '/' + str(m) + '_' + str(
i) + '_tempFile'
c = 'las2col ' + inputArg + ' ' + tempFile + ' --parse ' + ''.join(
l2colCols) + ' --num_read_threads ' + str(
self.numProcessesLoad)
if 'k' in self.columns:
c += ' --moffset ' + str(int(
self.minX / self.scaleX)) + ',' + str(
int(self.minY /
self.scaleY)) + ' --check ' + str(
self.scaleX) + ',' + str(self.scaleY)
# Execute the converter
logging.info(c)
os.system(c)
#The different binary files have a pre-defined name
bs = []
for col in self.columns:
bs.append("'" + tempFile + "_col_" + col + ".dat'")
if not self.imprints:
ftName = self.tempFlatTable
else:
ftName = self.flatTable
monetdbops.mogrifyExecute(
cursor, "COPY BINARY INTO " + ftName + str(m) +
" from (" + ','.join(bs) + ")")
else:
# Split the list of input files in bunches of maximum MAX_FILES files
inputFilesLists = numpy.array_split(
self.inputFiles,
int(math.ceil(float(len(self.inputFiles)) / float(MAX_FILES))))
for i in range(len(inputFilesLists)):
# Create the file with the list of PC files
listFile = self.tempDir + '/' + str(i) + '_listFile'
outputFile = open(listFile, 'w')
for f in inputFilesLists[i]:
outputFile.write(f + '\n')
outputFile.close()
# Generate the command for the NLeSC Binary converter
inputArg = '-f ' + listFile
tempFile = self.tempDir + '/' + str(i) + '_tempFile'
c = 'las2col ' + inputArg + ' ' + tempFile + ' --parse ' + ''.join(
l2colCols) + ' --num_read_threads ' + str(
self.numProcessesLoad)
if 'k' in self.columns:
c += ' --moffset ' + str(int(
self.minX / self.scaleX)) + ',' + str(
int(self.minY / self.scaleY)) + ' --check ' + str(
self.scaleX) + ',' + str(self.scaleY)
# Execute the converter
logging.info(c)
os.system(c)
# The different binary files have a pre-defined name
bs = []
for col in self.columns:
bs.append("'" + tempFile + "_col_" + col + ".dat'")
if not self.imprints:
ftName = self.tempFlatTable
else:
ftName = self.flatTable
monetdbops.mogrifyExecute(
cursor, "COPY BINARY INTO " + ftName + " from (" +
','.join(bs) + ")")
connection.close()
def initialize(self):
if self.partitioning and not self.imprints:
raise Exception('Partitioning without imprints is not supported!')
if self.createDB:
logging.info('Creating DB ' + self.dbName)
# Drop previous DB if exist and create a new one
os.system('monetdb stop ' + self.dbName)
os.system('monetdb destroy ' + self.dbName + ' -f')
os.system('monetdb create ' + self.dbName)
os.system('monetdb release ' + self.dbName)
connection = self.getConnection()
cursor = connection.cursor()
# monetdbops.mogrifyExecute(cursor, """CREATE FUNCTION GetX(morton BIGINT, scaleX DOUBLE, globalOffset BIGINT) RETURNS DOUBLE external name geom."GetX";""")
# monetdbops.mogrifyExecute(cursor, """CREATE FUNCTION GetY(morton BIGINT, scaleY DOUBLE, globalOffset BIGINT) RETURNS DOUBLE external name geom."GetY";""")
logging.info('Getting files, extent and SRID from input folder ' +
self.inputFolder)
(self.inputFiles, inputFilesBoundingCube, _, _, boundingCube,
scales) = lasops.getPCFolderDetails(self.inputFolder,
numProc=self.numProcessesLoad)
(self.minX, self.minY, self.minZ, self.maxX, self.maxY,
self.maxZ) = boundingCube
(self.scaleX, self.scaleY, _) = scales
if not self.imprints:
# If we want to create a final indexed table we need to put the
# points in a temporal table
self.tempFlatTable = 'TEMP_' + self.flatTable
ftName = self.tempFlatTable
else:
ftName = self.flatTable
connection = self.getConnection()
cursor = connection.cursor()
if self.partitioning:
rangeX = self.maxX - self.minX
rangeY = self.maxY - self.minY
nX = int(
math.ceil(
math.sqrt(self.numPartitions) *
(float(rangeX) / float(rangeY))))
nY = int(
math.ceil(
math.sqrt(self.numPartitions) /
(float(rangeX) / float(rangeY))))
self.tilesFiles = {}
for i in range(len(self.inputFiles)):
(fminX, fminY, _, fmaxX, fmaxY, _) = inputFilesBoundingCube[i]
pX = fminX + ((fmaxX - fminX) / 2.)
pY = fminY + ((fmaxY - fminY) / 2.)
m = morton.EncodeMorton2D(
*self.getTileIndex(pX, pY, self.minX, self.minY, self.maxX,
self.maxY, nX, nY))
if m not in self.tilesFiles:
self.tilesFiles[m] = []
self.tilesFiles[m].append(self.inputFiles[i])
logging.info('Real number of partitions is ' +
str(len(self.tilesFiles)))
monetdbops.mogrifyExecute(
cursor, "CREATE MERGE TABLE " + ftName + " (" +
(', '.join(self.getDBColumns())) + ")")
for m in sorted(self.tilesFiles):
monetdbops.mogrifyExecute(
cursor, "CREATE TABLE " + ftName + str(m) + " (" +
(', '.join(self.getDBColumns())) + ")")
else:
monetdbops.mogrifyExecute(
cursor, "CREATE TABLE " + ftName + " (" +
(', '.join(self.getDBColumns())) + ")")
# Create the meta-data table
monetdbops.mogrifyExecute(
cursor, "CREATE TABLE " + self.metaTable +
" (tablename text, srid integer, minx DOUBLE PRECISION, miny DOUBLE PRECISION, maxx DOUBLE PRECISION, maxy DOUBLE PRECISION, scalex DOUBLE PRECISION, scaley DOUBLE PRECISION)"
)
# Close connection
connection.close()
def close(self):
# Restart DB to flush data in memory to disk
logging.info('Restarting DB')
os.system('monetdb stop ' + self.dbName)
os.system('monetdb start ' + self.dbName)
connection = self.getConnection()
cursor = connection.cursor()
if not self.imprints:
ftName = self.tempFlatTable
else:
ftName = self.flatTable
# We set the table to read only
if self.partitioning:
for m in sorted(self.tilesFiles):
partitionName = ftName + str(m)
monetdbops.mogrifyExecute(
cursor, "alter table " + partitionName + " set read only")
else:
monetdbops.mogrifyExecute(
cursor, "alter table " + ftName + " set read only")
if self.imprints:
if self.partitioning:
# Create imprints index
logging.info(
'Creating imprints for different partitions and columns')
for m in sorted(self.tilesFiles):
partitionName = ftName + str(m)
for c in self.columns:
colName = self.DM_FLAT[c][0]
if c == 'x':
minDim = self.minX - 10
maxDim = self.minX - 9
elif c == 'y':
minDim = self.minY - 10
maxDim = self.minY - 9
elif c == 'z':
minDim = self.minZ - 10
maxDim = self.minZ - 9
else:
minDim = 0
maxDim = 1
monetdbops.mogrifyExecute(
cursor,
"select " + colName + " from " + partitionName +
" where " + colName + " between %s and %s",
[minDim, maxDim])
monetdbops.mogrifyExecute(
cursor, "analyze sys." + partitionName + " (" +
dbops.getSelectCols(self.columns, self.DM_FLAT) +
") minmax")
else:
logging.info('Creating imprints')
for c in self.columns:
colName = self.DM_FLAT[c][0]
if c == 'x':
minDim = self.minX - 10
maxDim = self.minX - 9
elif c == 'y':
minDim = self.minY - 10
maxDim = self.minY - 9
elif c == 'z':
minDim = self.minZ - 10
maxDim = self.minZ - 9
else:
minDim = 0
maxDim = 1
monetdbops.mogrifyExecute(
cursor,
"select " + colName + " from " + self.flatTable +
" where " + colName + " between %s and %s",
[minDim, maxDim])
monetdbops.mogrifyExecute(
cursor, "analyze sys." + self.flatTable + " (" +
dbops.getSelectCols(self.columns, self.DM_FLAT) +
") minmax")
else:
if self.partitioning:
for m in sorted(self.tilesFiles):
partitionName = ftName + str(m)
newPartitionName = self.flatTable + str(m)
monetdbops.mogrifyExecute(
cursor, 'CREATE TABLE ' + newPartitionName +
' AS SELECT * FROM ' + partitionName + ' ORDER BY ' +
dbops.getSelectCols(self.index, self.DM_FLAT) +
' WITH DATA')
monetdbops.mogrifyExecute(
cursor,
"alter table " + newPartitionName + " set read only")
monetdbops.mogrifyExecute(cursor,
'DROP TABLE ' + partitionName)
else:
monetdbops.mogrifyExecute(
cursor, 'CREATE TABLE ' + self.flatTable +
' AS SELECT * FROM ' + self.tempFlatTable + ' ORDER BY ' +
dbops.getSelectCols(self.index, self.DM_FLAT) +
' WITH DATA')
monetdbops.mogrifyExecute(
cursor, "alter table " + self.flatTable + " set read only")
monetdbops.mogrifyExecute(cursor,
'DROP TABLE ' + self.tempFlatTable)
if self.partitioning:
for m in sorted(self.tilesFiles):
partitionName = self.flatTable + str(m)
monetdbops.mogrifyExecute(
cursor, "ALTER TABLE " + self.flatTable + " add table " +
partitionName)
connection.close()
def close(self):
# Restart DB to flush data in memory to disk
logging.info('Restarting DB')
os.system('monetdb stop ' + self.dbName)
os.system('monetdb start ' + self.dbName)
connection = self.getConnection()
cursor = connection.cursor()
if not self.imprints:
ftName = self.tempFlatTable
else:
ftName = self.flatTable
# We set the table to read only
if self.partitioning:
for m in sorted(self.tilesFiles):
partitionName = ftName + str(m)
monetdbops.mogrifyExecute(cursor, "alter table " + partitionName + " set read only")
else:
monetdbops.mogrifyExecute(cursor, "alter table " + ftName + " set read only")
if self.imprints:
if self.partitioning:
# Create imprints index
logging.info('Creating imprints for different partitions and columns')
for m in sorted(self.tilesFiles):
partitionName = ftName + str(m)
for c in self.columns:
colName = self.DM_FLAT[c][0]
if c == 'x':
minDim = self.minX - 10
maxDim = self.minX - 9
elif c == 'y':
minDim = self.minY - 10
maxDim = self.minY - 9
elif c == 'z':
minDim = self.minZ - 10
maxDim = self.minZ - 9
else:
minDim = 0
maxDim = 1
monetdbops.mogrifyExecute(cursor, "select " + colName + " from " + partitionName + " where " + colName + " between %s and %s", [minDim, maxDim])
monetdbops.mogrifyExecute(cursor, "analyze sys." + partitionName + " (" + dbops.getSelectCols(self.columns, self.DM_FLAT) + ") minmax")
else:
logging.info('Creating imprints')
for c in self.columns:
colName = self.DM_FLAT[c][0]
if c == 'x':
minDim = self.minX - 10
maxDim = self.minX - 9
elif c == 'y':
minDim = self.minY - 10
maxDim = self.minY - 9
elif c == 'z':
minDim = self.minZ - 10
maxDim = self.minZ - 9
else:
minDim = 0
maxDim = 1
monetdbops.mogrifyExecute(cursor, "select " + colName + " from " + self.flatTable + " where " + colName + " between %s and %s", [minDim, maxDim])
monetdbops.mogrifyExecute(cursor, "analyze sys." + self.flatTable + " (" + dbops.getSelectCols(self.columns, self.DM_FLAT) + ") minmax")
else:
if self.partitioning:
for m in sorted(self.tilesFiles):
partitionName = ftName + str(m)
newPartitionName = self.flatTable + str(m)
monetdbops.mogrifyExecute(cursor, 'CREATE TABLE ' + newPartitionName + ' AS SELECT * FROM ' + partitionName + ' ORDER BY ' + dbops.getSelectCols(self.index, self.DM_FLAT) + ' WITH DATA')
monetdbops.mogrifyExecute(cursor, "alter table " + newPartitionName + " set read only")
monetdbops.mogrifyExecute(cursor, 'DROP TABLE ' + partitionName)
else:
monetdbops.mogrifyExecute(cursor, 'CREATE TABLE ' + self.flatTable + ' AS SELECT * FROM ' + self.tempFlatTable + ' ORDER BY ' + dbops.getSelectCols(self.index, self.DM_FLAT) + ' WITH DATA')
monetdbops.mogrifyExecute(cursor, "alter table " + self.flatTable + " set read only")
monetdbops.mogrifyExecute(cursor, 'DROP TABLE ' + self.tempFlatTable)
if self.partitioning:
for m in sorted(self.tilesFiles):
partitionName = self.flatTable + str(m)
monetdbops.mogrifyExecute(cursor, "ALTER TABLE " + self.flatTable + " add table " + partitionName)
connection.close()
def processInputFolder(self, index, inputFolder):
# Create connection
connection = self.getConnection()
cursor = connection.cursor()
# Add the meta-data to the meta table
metaArgs = (self.flatTable, self.srid, self.minX, self.minY, self.maxX, self.maxY, self.scaleX, self.scaleY)
monetdbops.mogrifyExecute(cursor, "INSERT INTO " + self.metaTable + " VALUES (%s,%s,%s,%s,%s,%s,%s,%s)" , metaArgs)
l2colCols = []
for c in self.columns:
l2colCols.append(self.DM_LAS2COL[c])
if self.partitioning:
for m in sorted(self.tilesFiles):
# Split the list of input files in bunches of maximum MAX_FILES files
inputFilesLists = numpy.array_split(self.tilesFiles[m], int(math.ceil(float(len(self.tilesFiles[m]))/float(MAX_FILES))))
for i in range(len(inputFilesLists)):
# Create the file with the list of PC files
listFile = self.tempDir + '/' + str(m) + '_' + str(i) + '_listFile'
outputFile = open(listFile, 'w')
for f in inputFilesLists[i]:
outputFile.write(f + '\n')
outputFile.close()
# Generate the command for the NLeSC Binary converter
inputArg = '-f ' + listFile
tempFile = self.tempDir + '/' + str(m) + '_' + str(i) + '_tempFile'
c = 'las2col ' + inputArg + ' ' + tempFile + ' --parse ' + ''.join(l2colCols) + ' --num_read_threads ' + str(self.numProcessesLoad)
if 'k' in self.columns:
c += ' --moffset ' + str(int(self.minX / self.scaleX)) + ','+ str(int(self.minY / self.scaleY)) + ' --check ' + str(self.scaleX) + ',' + str(self.scaleY)
# Execute the converter
logging.info(c)
os.system(c)
#The different binary files have a pre-defined name
bs = []
for col in self.columns:
bs.append("'" + tempFile + "_col_" + col + ".dat'")
if not self.imprints:
ftName = self.tempFlatTable
else:
ftName = self.flatTable
monetdbops.mogrifyExecute(cursor, "COPY BINARY INTO " + ftName + str(m) + " from (" + ','.join(bs) + ")")
else:
# Split the list of input files in bunches of maximum MAX_FILES files
inputFilesLists = numpy.array_split(self.inputFiles, int(math.ceil(float(len(self.inputFiles))/float(MAX_FILES))))
for i in range(len(inputFilesLists)):
# Create the file with the list of PC files
listFile = self.tempDir + '/' + str(i) + '_listFile'
outputFile = open(listFile, 'w')
for f in inputFilesLists[i]:
outputFile.write(f + '\n')
outputFile.close()
# Generate the command for the NLeSC Binary converter
inputArg = '-f ' + listFile
tempFile = self.tempDir + '/' + str(i) + '_tempFile'
c = 'las2col ' + inputArg + ' ' + tempFile + ' --parse ' + ''.join(l2colCols) + ' --num_read_threads ' + str(self.numProcessesLoad)
if 'k' in self.columns:
c += ' --moffset ' + str(int(self.minX / self.scaleX)) + ','+ str(int(self.minY / self.scaleY)) + ' --check ' + str(self.scaleX) + ',' + str(self.scaleY)
# Execute the converter
logging.info(c)
os.system(c)
# The different binary files have a pre-defined name
bs = []
for col in self.columns:
bs.append("'" + tempFile + "_col_" + col + ".dat'")
if not self.imprints:
ftName = self.tempFlatTable
else:
ftName = self.flatTable
monetdbops.mogrifyExecute(cursor, "COPY BINARY INTO " + ftName + " from (" + ','.join(bs) + ")")
connection.close()
def initialize(self):
if self.partitioning and not self.imprints:
raise Exception('Partitioning without imprints is not supported!')
if self.createDB:
logging.info('Creating DB ' + self.dbName)
# Drop previous DB if exist and create a new one
os.system('monetdb stop ' + self.dbName)
os.system('monetdb destroy ' + self.dbName + ' -f')
os.system('monetdb create ' + self.dbName)
os.system('monetdb release ' + self.dbName)
connection = self.getConnection()
cursor = connection.cursor()
# monetdbops.mogrifyExecute(cursor, """CREATE FUNCTION GetX(morton BIGINT, scaleX DOUBLE, globalOffset BIGINT) RETURNS DOUBLE external name geom."GetX";""")
# monetdbops.mogrifyExecute(cursor, """CREATE FUNCTION GetY(morton BIGINT, scaleY DOUBLE, globalOffset BIGINT) RETURNS DOUBLE external name geom."GetY";""")
logging.info('Getting files, extent and SRID from input folder ' + self.inputFolder)
(self.inputFiles, inputFilesBoundingCube, _, _, boundingCube, scales) = lasops.getPCFolderDetails(self.inputFolder, numProc = self.numProcessesLoad)
(self.minX, self.minY, self.minZ, self.maxX, self.maxY, self.maxZ) = boundingCube
(self.scaleX, self.scaleY, _) = scales
if not self.imprints:
# If we want to create a final indexed table we need to put the
# points in a temporal table
self.tempFlatTable = 'TEMP_' + self.flatTable
ftName = self.tempFlatTable
else:
ftName = self.flatTable
connection = self.getConnection()
cursor = connection.cursor()
if self.partitioning:
rangeX = self.maxX - self.minX
rangeY = self.maxY - self.minY
nX = int(math.ceil(math.sqrt(self.numPartitions) * (float(rangeX)/float(rangeY))))
nY = int(math.ceil(math.sqrt(self.numPartitions) / (float(rangeX)/float(rangeY))))
self.tilesFiles = {}
for i in range(len(self.inputFiles)):
(fminX, fminY, _, fmaxX, fmaxY, _) = inputFilesBoundingCube[i]
pX = fminX + ((fmaxX - fminX) / 2.)
pY = fminY + ((fmaxY - fminY) / 2.)
m = morton.EncodeMorton2D(*self.getTileIndex(pX, pY, self.minX, self.minY, self.maxX, self.maxY, nX, nY))
if m not in self.tilesFiles:
self.tilesFiles[m] = []
self.tilesFiles[m].append(self.inputFiles[i])
logging.info('Real number of partitions is ' + str(len(self.tilesFiles)))
monetdbops.mogrifyExecute(cursor, "CREATE MERGE TABLE " + ftName + " (" + (', '.join(self.getDBColumns())) + ")")
for m in sorted(self.tilesFiles):
monetdbops.mogrifyExecute(cursor, "CREATE TABLE " + ftName + str(m) + " (" + (', '.join(self.getDBColumns())) + ")")
else:
monetdbops.mogrifyExecute(cursor, "CREATE TABLE " + ftName + " (" + (', '.join(self.getDBColumns())) + ")")
# Create the meta-data table
monetdbops.mogrifyExecute(cursor, "CREATE TABLE " + self.metaTable + " (tablename text, srid integer, minx DOUBLE PRECISION, miny DOUBLE PRECISION, maxx DOUBLE PRECISION, maxy DOUBLE PRECISION, scalex DOUBLE PRECISION, scaley DOUBLE PRECISION)")
# Close connection
connection.close()