* text_tools: module to contain simple text utilities.

master
wirawan 15 years ago
parent 6e1b0c505c
commit 887ca7e16e
  1. 21
      graph_digitizer.py
  2. 31
      text_tools.py

@ -1,6 +1,6 @@
#!/usr/bin/ipython -pylab #!/usr/bin/ipython -pylab
# #
# $Id: graph_digitizer.py,v 1.1 2009-12-04 19:30:26 wirawan Exp $ # $Id: graph_digitizer.py,v 1.2 2009-12-04 19:57:22 wirawan Exp $
# #
# Created: 20091204 # Created: 20091204
# Wirawan Purwanto # Wirawan Purwanto
@ -10,24 +10,7 @@
# #
import numpy import numpy
from wpylib.text_tools import make_matrix
def make_matrix(Str, debug=None):
"""Simple tool to convert a string like
'''1 2 3
4 5 6
7 8 9'''
into a numpy matrix (or, actually, an array object)."""
if isinstance(Str, numpy.matrix):
return numpy.array(Str)
elif isinstance(Str, numpy.ndarray):
if len(Str.shape) == 2:
return Str.copy()
else:
raise ValueError, "Cannot make matrix out of non-2D array"
Str2 = ";".join([ row.rstrip().rstrip(";") for row in Str.split("\n") if row.strip() != "" ])
rslt = numpy.matrix(Str2)
if debug: print rslt
return numpy.array(rslt)
def get_axis_scaler(data, axis): def get_axis_scaler(data, axis):
"""Simple routine to obtain the scaling factor from pixel coordinate to """Simple routine to obtain the scaling factor from pixel coordinate to

@ -0,0 +1,31 @@
# $Id: text_tools.py,v 1.1 2009-12-04 19:57:22 wirawan Exp $
#
# Created: 20091204
# Wirawan Purwanto
#
# Simple and dirty text tools
#
import numpy
def make_matrix(Str, debug=None):
"""Simple tool to convert a string like
'''1 2 3
4 5 6
7 8 9'''
into a numpy matrix (or, actually, an array object).
This is for convenience in programming quick scripts, much like octave matrix
format (but without the evaluation of math expressions that octave has,
of course)."""
if isinstance(Str, numpy.matrix):
return numpy.array(Str)
elif isinstance(Str, numpy.ndarray):
if len(Str.shape) == 2:
return Str.copy()
else:
raise ValueError, "Cannot make matrix out of non-2D array"
Str2 = ";".join([ row.rstrip().rstrip(";") for row in Str.split("\n") if row.strip() != "" ])
rslt = numpy.matrix(Str2)
if debug: print rslt
return numpy.array(rslt)
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