# This shows how to use the cols accessors for table columns
from tables import *
class Particle(IsDescription):
    name        = StringCol(16, pos=1)   # 16-character String
    lati        = Int32Col(pos=2)        # integer
    longi       = Int32Col(pos=3)        # integer
    vector      = Int32Col(shape=(2,), pos=4)    # Integer
    matrix2D    = Float64Col(shape=(2, 2), pos=5)      # double (double-precision)

# Open a file in "w"rite mode
fileh = open_file("table2.h5", mode = "w")
table = fileh.create_table(fileh.root, 'table', Particle, "A table")
# Append several rows in only one call
table.append([("Particle:     10", 10, 0, (10*9, 1), [[10**2, 11*3]]*2),
              ("Particle:     11", 11, -1, (11*10, 2), [[11**2, 10*3]]*2),
              ("Particle:     12", 12, -2, (12*11, 3), [[12**2, 9*3]]*2),
              ("Particle:     13", 13, -3, (13*11, 4), [[13**2, 8*3]]*2),
              ("Particle:     14", 14, -4, (14*11, 5), [[14**2, 7*3]]*2)])

print "str(Cols)-->", table.cols
print "repr(Cols)-->", repr(table.cols)
print "Column handlers:"
for name in table.colnames:
    print table.cols._f_col(name)

print "Select table.cols.name[1]-->", table.cols.name[1]
print "Select table.cols.name[1:2]-->", table.cols.name[1:2]
print "Select table.cols.name[:]-->", table.cols.name[:]
print "Select table.cols._f_col('name')[:]-->", table.cols._f_col('name')[:]
print "Select table.cols.lati[1]-->", table.cols.lati[1]
print "Select table.cols.lati[1:2]-->", table.cols.lati[1:2]
print "Select table.cols.vector[:]-->", table.cols.vector[:]
print "Select table.cols['matrix2D'][:]-->", table.cols.matrix2D[:]

fileh.close()