Source code for

"""Tensor 27."""

# --- import --------------------------------------------------------------------------------------

import os
import pathlib

import numpy as np

from ._data import Data
from .. import exceptions as wt_exceptions

# --- define --------------------------------------------------------------------------------------

__all__ = ["from_Tensor27"]

# --- from function -------------------------------------------------------------------------------

[docs]def from_Tensor27(filepath, name=None, parent=None, verbose=True) -> Data: """Create a data object from a Tensor27 FTIR file. .. plot:: >>> import WrightTools as wt >>> import matplotlib.pyplot as plt >>> from WrightTools import datasets >>> p = datasets.Tensor27.CuPCtS_powder_ATR >>> data = >>> artist = wt.artists.quick1D(data) >>> plt.xlim(1300,1700) >>> plt.ylim(-0.005,.02) Parameters ---------- filepath : path-like Path to Tensor27 output file (.dpt). Can be either a local or remote file (http/ftp). Can be compressed with gz/bz2, decompression based on file name. name : string (optional) Name to give to the created data object. If None, filename is used. Default is None. parent : WrightTools.Collection (optional) Collection to place new data object within. Default is None. verbose : boolean (optional) Toggle talkback. Default is True. Returns ------- data New data object. """ # parse filepath filestr = os.fspath(filepath) filepath = pathlib.Path(filepath) if not ".dpt" in filepath.suffixes: wt_exceptions.WrongFileTypeWarning.warn(filepath, ".dpt") # parse name if not name: name =".")[0] # create data kwargs = {"name": name, "kind": "Tensor27", "source": filestr} if parent is None: data = Data(**kwargs) else: data = parent.create_data(**kwargs) # array ds = np.DataSource(None) f =, "rt") arr = np.genfromtxt(f, skip_header=0).T f.close() # chew through all scans data.create_variable(name="energy", values=arr[0], units="wn") data.create_channel(name="signal", values=arr[1]) data.transform("energy") # finish if verbose: print("data created at {0}".format(data.fullpath)) print(" range: {0} to {1} (wn)".format([0],[-1])) print(" size: {0}".format(data.size)) return data