source: sasview/src/sas/sascalc/fit/Loader.py @ 0b1a677

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
Last change on this file since 0b1a677 was b699768, checked in by Piotr Rozyczko <piotr.rozyczko@…>, 7 years ago

Initial commit of the refactored SasCalc? module.

  • Property mode set to 100644
File size: 2.6 KB
Line 
1# class Loader  to load any king of file
2#import wx
3#import string
4import numpy
5
6class Load:
7    """
8    This class is loading values from given file or value giving by the user
9    """
10    def __init__(self, x=None, y=None, dx=None, dy=None):
11        raise NotImplementedError("a code search shows that this code is not active, and you are not seeing this message")
12        # variable to store loaded values
13        self.x = x
14        self.y = y
15        self.dx = dx
16        self.dy = dy
17        self.filename = None
18       
19    def set_filename(self, path=None):
20        """
21        Store path into a variable.If the user doesn't give
22        a path as a parameter a pop-up
23        window appears to select the file.
24       
25        :param path: the path given by the user
26       
27        """
28        self.filename = path
29       
30    def get_filename(self):
31        """ return the file's path"""
32        return self.filename
33   
34    def set_values(self):
35        """ Store the values loaded from file in local variables"""
36        if not self.filename == None:
37            input_f =  open(self.filename, 'r')
38            buff = input_f.read()
39            lines = buff.split('\n')
40            self.x = []
41            self.y = []
42            self.dx = [] 
43            self.dy = []
44            for line in lines:
45                try:
46                    toks = line.split()
47                    x = float(toks[0])
48                    y = float(toks[1])
49                    dy = float(toks[2])
50                   
51                    self.x.append(x)
52                    self.y.append(y)
53                    self.dy.append(dy)
54                    self.dx = numpy.zeros(len(self.x))
55                except:
56                    print "READ ERROR", line
57            # Sanity check
58            if not len(self.x) == len(self.dx):
59                raise ValueError, "x and dx have different length"
60            if not len(self.y) == len(self.dy):
61                raise ValueError, "y and dy have different length"
62           
63           
64    def get_values(self):
65        """ Return x, y, dx, dy"""
66        return self.x, self.y, self.dx, self.dy
67   
68    def load_data(self, data):
69        """ Return plottable"""
70        #load data
71        data.x = self.x
72        data.y = self.y
73        data.dx = self.dx
74        data.dy = self.dy
75        #Load its View class
76        #plottable.reset_view()
77       
78   
79if __name__ == "__main__": 
80    load = Load()
81    load.set_filename("testdata_line.txt")
82    print load.get_filename() 
83    load.set_values()
84    print load.get_values()
85   
86           
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