| 1 | """ |
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| 2 | Adapters for fitting module |
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| 3 | """ |
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| 4 | import copy |
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| 5 | import numpy |
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| 6 | import math |
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| 7 | from sas.sascalc.data_util.uncertainty import Uncertainty |
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| 8 | |
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| 9 | from sas.qtgui.Plotting.Plottables import PlottableData1D |
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| 10 | from sas.qtgui.Plotting.Plottables import PlottableData2D |
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| 11 | |
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| 12 | from sas.sascalc.dataloader.data_info import Data1D as LoadData1D |
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| 13 | from sas.sascalc.dataloader.data_info import Data2D as LoadData2D |
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| 14 | |
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| 15 | |
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| 16 | class Data1D(PlottableData1D, LoadData1D): |
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| 17 | """ |
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| 18 | """ |
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| 19 | def __init__(self, x=None, y=None, dx=None, dy=None): |
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| 20 | """ |
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| 21 | """ |
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| 22 | if x is None: |
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| 23 | x = [] |
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| 24 | if y is None: |
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| 25 | y = [] |
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| 26 | PlottableData1D.__init__(self, x, y, dx, dy) |
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| 27 | LoadData1D.__init__(self, x, y, dx, dy) |
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| 28 | self.id = None |
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| 29 | self.list_group_id = [] |
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| 30 | self.group_id = None |
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| 31 | self.is_data = True |
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| 32 | self.path = None |
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| 33 | self.xtransform = None |
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| 34 | self.ytransform = None |
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| 35 | self.title = "" |
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| 36 | self.scale = None |
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| 37 | |
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| 38 | def copy_from_datainfo(self, data1d): |
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| 39 | """ |
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| 40 | copy values of Data1D of type DataLaoder.Data_info |
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| 41 | """ |
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| 42 | self.x = copy.deepcopy(data1d.x) |
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| 43 | self.y = copy.deepcopy(data1d.y) |
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| 44 | self.dy = copy.deepcopy(data1d.dy) |
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| 45 | |
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| 46 | if hasattr(data1d, "dx"): |
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| 47 | self.dx = copy.deepcopy(data1d.dx) |
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| 48 | if hasattr(data1d, "dxl"): |
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| 49 | self.dxl = copy.deepcopy(data1d.dxl) |
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| 50 | if hasattr(data1d, "dxw"): |
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| 51 | self.dxw = copy.deepcopy(data1d.dxw) |
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| 52 | |
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| 53 | self.xaxis(data1d._xaxis, data1d._xunit) |
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| 54 | self.yaxis(data1d._yaxis, data1d._yunit) |
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| 55 | self.title = data1d.title |
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| 56 | |
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| 57 | def __str__(self): |
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| 58 | """ |
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| 59 | print data |
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| 60 | """ |
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| 61 | _str = "%s\n" % LoadData1D.__str__(self) |
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| 62 | |
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| 63 | return _str |
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| 64 | |
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| 65 | def _perform_operation(self, other, operation): |
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| 66 | """ |
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| 67 | """ |
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| 68 | # First, check the data compatibility |
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| 69 | dy, dy_other = self._validity_check(other) |
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| 70 | result = Data1D(x=[], y=[], dx=None, dy=None) |
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| 71 | result.clone_without_data(length=len(self.x), clone=self) |
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| 72 | result.copy_from_datainfo(data1d=self) |
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| 73 | if self.dxw == None: |
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| 74 | result.dxw = None |
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| 75 | else: |
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| 76 | result.dxw = numpy.zeros(len(self.x)) |
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| 77 | if self.dxl == None: |
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| 78 | result.dxl = None |
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| 79 | else: |
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| 80 | result.dxl = numpy.zeros(len(self.x)) |
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| 81 | |
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| 82 | for i in range(len(self.x)): |
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| 83 | result.x[i] = self.x[i] |
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| 84 | if self.dx is not None and len(self.x) == len(self.dx): |
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| 85 | result.dx[i] = self.dx[i] |
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| 86 | if self.dxw is not None and len(self.x) == len(self.dxw): |
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| 87 | result.dxw[i] = self.dxw[i] |
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| 88 | if self.dxl is not None and len(self.x) == len(self.dxl): |
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| 89 | result.dxl[i] = self.dxl[i] |
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| 90 | |
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| 91 | a = Uncertainty(self.y[i], dy[i]**2) |
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| 92 | if isinstance(other, Data1D): |
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| 93 | b = Uncertainty(other.y[i], dy_other[i]**2) |
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| 94 | if other.dx is not None: |
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| 95 | result.dx[i] *= self.dx[i] |
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| 96 | result.dx[i] += (other.dx[i]**2) |
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| 97 | result.dx[i] /= 2 |
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| 98 | result.dx[i] = math.sqrt(result.dx[i]) |
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| 99 | if result.dxl is not None and other.dxl is not None: |
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| 100 | result.dxl[i] *= self.dxl[i] |
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| 101 | result.dxl[i] += (other.dxl[i]**2) |
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| 102 | result.dxl[i] /= 2 |
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| 103 | result.dxl[i] = math.sqrt(result.dxl[i]) |
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| 104 | else: |
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| 105 | b = other |
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| 106 | |
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| 107 | output = operation(a, b) |
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| 108 | result.y[i] = output.x |
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| 109 | result.dy[i] = math.sqrt(math.fabs(output.variance)) |
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| 110 | return result |
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| 111 | |
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| 112 | def _perform_union(self, other): |
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| 113 | """ |
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| 114 | """ |
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| 115 | # First, check the data compatibility |
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| 116 | self._validity_check_union(other) |
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| 117 | result = Data1D(x=[], y=[], dx=None, dy=None) |
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| 118 | tot_length = len(self.x) + len(other.x) |
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| 119 | result = self.clone_without_data(length=tot_length, clone=result) |
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| 120 | if self.dy == None or other.dy is None: |
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| 121 | result.dy = None |
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| 122 | else: |
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| 123 | result.dy = numpy.zeros(tot_length) |
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| 124 | if self.dx == None or other.dx is None: |
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| 125 | result.dx = None |
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| 126 | else: |
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| 127 | result.dx = numpy.zeros(tot_length) |
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| 128 | if self.dxw == None or other.dxw is None: |
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| 129 | result.dxw = None |
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| 130 | else: |
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| 131 | result.dxw = numpy.zeros(tot_length) |
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| 132 | if self.dxl == None or other.dxl is None: |
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| 133 | result.dxl = None |
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| 134 | else: |
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| 135 | result.dxl = numpy.zeros(tot_length) |
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| 136 | |
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| 137 | result.x = numpy.append(self.x, other.x) |
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| 138 | #argsorting |
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| 139 | ind = numpy.argsort(result.x) |
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| 140 | result.x = result.x[ind] |
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| 141 | result.y = numpy.append(self.y, other.y) |
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| 142 | result.y = result.y[ind] |
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| 143 | if result.dy != None: |
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| 144 | result.dy = numpy.append(self.dy, other.dy) |
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| 145 | result.dy = result.dy[ind] |
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| 146 | if result.dx is not None: |
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| 147 | result.dx = numpy.append(self.dx, other.dx) |
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| 148 | result.dx = result.dx[ind] |
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| 149 | if result.dxw is not None: |
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| 150 | result.dxw = numpy.append(self.dxw, other.dxw) |
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| 151 | result.dxw = result.dxw[ind] |
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| 152 | if result.dxl is not None: |
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| 153 | result.dxl = numpy.append(self.dxl, other.dxl) |
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| 154 | result.dxl = result.dxl[ind] |
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| 155 | return result |
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| 156 | |
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| 157 | class Data2D(PlottableData2D, LoadData2D): |
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| 158 | """ |
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| 159 | """ |
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| 160 | def __init__(self, image=None, err_image=None, |
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| 161 | qx_data=None, qy_data=None, q_data=None, |
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| 162 | mask=None, dqx_data=None, dqy_data=None, |
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| 163 | xmin=None, xmax=None, ymin=None, ymax=None, |
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| 164 | zmin=None, zmax=None): |
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| 165 | """ |
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| 166 | """ |
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| 167 | PlottableData2D.__init__(self, image=image, err_image=err_image, |
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| 168 | xmin=xmin, xmax=xmax, ymin=ymin, ymax=ymax, |
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| 169 | zmin=zmin, zmax=zmax, qx_data=qx_data, |
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| 170 | qy_data=qy_data) |
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| 171 | |
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| 172 | LoadData2D.__init__(self, data=image, err_data=err_image, |
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| 173 | qx_data=qx_data, qy_data=qy_data, |
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| 174 | dqx_data=dqx_data, dqy_data=dqy_data, |
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| 175 | q_data=q_data, mask=mask) |
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| 176 | self.id = None |
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| 177 | self.list_group_id = [] |
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| 178 | self.group_id = None |
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| 179 | self.is_data = True |
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| 180 | self.path = None |
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| 181 | self.xtransform = None |
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| 182 | self.ytransform = None |
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| 183 | self.title = "" |
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| 184 | self.scale = None |
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| 185 | |
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| 186 | def copy_from_datainfo(self, data2d): |
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| 187 | """ |
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| 188 | copy value of Data2D of type DataLoader.data_info |
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| 189 | """ |
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| 190 | self.data = copy.deepcopy(data2d.data) |
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| 191 | self.qx_data = copy.deepcopy(data2d.qx_data) |
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| 192 | self.qy_data = copy.deepcopy(data2d.qy_data) |
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| 193 | self.q_data = copy.deepcopy(data2d.q_data) |
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| 194 | self.mask = copy.deepcopy(data2d.mask) |
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| 195 | self.err_data = copy.deepcopy(data2d.err_data) |
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| 196 | self.x_bins = copy.deepcopy(data2d.x_bins) |
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| 197 | self.y_bins = copy.deepcopy(data2d.y_bins) |
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| 198 | if data2d.dqx_data is not None: |
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| 199 | self.dqx_data = copy.deepcopy(data2d.dqx_data) |
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| 200 | if data2d.dqy_data is not None: |
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| 201 | self.dqy_data = copy.deepcopy(data2d.dqy_data) |
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| 202 | self.xmin = data2d.xmin |
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| 203 | self.xmax = data2d.xmax |
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| 204 | self.ymin = data2d.ymin |
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| 205 | self.ymax = data2d.ymax |
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| 206 | if hasattr(data2d, "zmin"): |
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| 207 | self.zmin = data2d.zmin |
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| 208 | if hasattr(data2d, "zmax"): |
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| 209 | self.zmax = data2d.zmax |
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| 210 | self.xaxis(data2d._xaxis, data2d._xunit) |
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| 211 | self.yaxis(data2d._yaxis, data2d._yunit) |
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| 212 | self.title = data2d.title |
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| 213 | |
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| 214 | def __str__(self): |
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| 215 | """ |
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| 216 | print data |
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| 217 | """ |
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| 218 | _str = "%s\n" % LoadData2D.__str__(self) |
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| 219 | return _str |
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| 220 | |
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| 221 | def _perform_operation(self, other, operation): |
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| 222 | """ |
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| 223 | Perform 2D operations between data sets |
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| 224 | |
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| 225 | :param other: other data set |
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| 226 | :param operation: function defining the operation |
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| 227 | |
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| 228 | """ |
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| 229 | # First, check the data compatibility |
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| 230 | dy, dy_other = self._validity_check(other) |
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| 231 | result = Data2D(image=None, qx_data=None, qy_data=None, |
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| 232 | q_data=None, err_image=None, xmin=None, xmax=None, |
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| 233 | ymin=None, ymax=None, zmin=None, zmax=None) |
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| 234 | result.clone_without_data(len(self.data)) |
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| 235 | result.copy_from_datainfo(data2d=self) |
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| 236 | result.xmin = self.xmin |
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| 237 | result.xmax = self.xmax |
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| 238 | result.ymin = self.ymin |
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| 239 | result.ymax = self.ymax |
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| 240 | if self.dqx_data == None or self.dqy_data == None: |
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| 241 | result.dqx_data = None |
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| 242 | result.dqy_data = None |
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| 243 | else: |
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| 244 | result.dqx_data = numpy.zeros(len(self.data)) |
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| 245 | result.dqy_data = numpy.zeros(len(self.data)) |
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| 246 | for i in range(numpy.size(self.data)): |
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| 247 | result.data[i] = self.data[i] |
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| 248 | if self.err_data is not None and \ |
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| 249 | numpy.size(self.data) == numpy.size(self.err_data): |
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| 250 | result.err_data[i] = self.err_data[i] |
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| 251 | if self.dqx_data is not None: |
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| 252 | result.dqx_data[i] = self.dqx_data[i] |
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| 253 | if self.dqy_data is not None: |
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| 254 | result.dqy_data[i] = self.dqy_data[i] |
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| 255 | result.qx_data[i] = self.qx_data[i] |
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| 256 | result.qy_data[i] = self.qy_data[i] |
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| 257 | result.q_data[i] = self.q_data[i] |
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| 258 | result.mask[i] = self.mask[i] |
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| 259 | |
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| 260 | a = Uncertainty(self.data[i], dy[i]**2) |
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| 261 | if isinstance(other, Data2D): |
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| 262 | b = Uncertainty(other.data[i], dy_other[i]**2) |
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| 263 | if other.dqx_data is not None and \ |
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| 264 | result.dqx_data is not None: |
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| 265 | result.dqx_data[i] *= self.dqx_data[i] |
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| 266 | result.dqx_data[i] += (other.dqx_data[i]**2) |
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| 267 | result.dqx_data[i] /= 2 |
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| 268 | result.dqx_data[i] = math.sqrt(result.dqx_data[i]) |
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| 269 | if other.dqy_data is not None and \ |
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| 270 | result.dqy_data is not None: |
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| 271 | result.dqy_data[i] *= self.dqy_data[i] |
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| 272 | result.dqy_data[i] += (other.dqy_data[i]**2) |
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| 273 | result.dqy_data[i] /= 2 |
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| 274 | result.dqy_data[i] = math.sqrt(result.dqy_data[i]) |
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| 275 | else: |
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| 276 | b = other |
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| 277 | |
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| 278 | output = operation(a, b) |
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| 279 | result.data[i] = output.x |
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| 280 | result.err_data[i] = math.sqrt(math.fabs(output.variance)) |
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| 281 | return result |
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| 282 | |
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| 283 | def _perform_union(self, other): |
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| 284 | """ |
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| 285 | Perform 2D operations between data sets |
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| 286 | |
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| 287 | :param other: other data set |
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| 288 | :param operation: function defining the operation |
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| 289 | |
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| 290 | """ |
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| 291 | # First, check the data compatibility |
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| 292 | self._validity_check_union(other) |
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| 293 | result = Data2D(image=None, qx_data=None, qy_data=None, |
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| 294 | q_data=None, err_image=None, xmin=None, xmax=None, |
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| 295 | ymin=None, ymax=None, zmin=None, zmax=None) |
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| 296 | length = len(self.data) |
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| 297 | tot_length = length + len(other.data) |
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| 298 | result.clone_without_data(tot_length) |
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| 299 | result.xmin = self.xmin |
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| 300 | result.xmax = self.xmax |
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| 301 | result.ymin = self.ymin |
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| 302 | result.ymax = self.ymax |
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| 303 | if self.dqx_data == None or self.dqy_data == None or \ |
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| 304 | other.dqx_data == None or other.dqy_data == None : |
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| 305 | result.dqx_data = None |
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| 306 | result.dqy_data = None |
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| 307 | else: |
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| 308 | result.dqx_data = numpy.zeros(len(self.data) + \ |
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| 309 | numpy.size(other.data)) |
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| 310 | result.dqy_data = numpy.zeros(len(self.data) + \ |
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| 311 | numpy.size(other.data)) |
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| 312 | |
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| 313 | result.data = numpy.append(self.data, other.data) |
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| 314 | result.qx_data = numpy.append(self.qx_data, other.qx_data) |
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| 315 | result.qy_data = numpy.append(self.qy_data, other.qy_data) |
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| 316 | result.q_data = numpy.append(self.q_data, other.q_data) |
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| 317 | result.mask = numpy.append(self.mask, other.mask) |
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| 318 | if result.err_data is not None: |
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| 319 | result.err_data = numpy.append(self.err_data, other.err_data) |
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| 320 | if self.dqx_data is not None: |
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| 321 | result.dqx_data = numpy.append(self.dqx_data, other.dqx_data) |
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| 322 | if self.dqy_data is not None: |
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| 323 | result.dqy_data = numpy.append(self.dqy_data, other.dqy_data) |
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| 324 | |
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| 325 | return result |
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| 326 | |
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| 327 | def check_data_validity(data): |
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| 328 | """ |
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| 329 | Return True is data is valid enough to compute chisqr, else False |
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| 330 | """ |
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| 331 | flag = True |
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| 332 | if data is not None: |
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| 333 | if issubclass(data.__class__, Data2D): |
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| 334 | if (data.data is None) or (len(data.data) == 0)\ |
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| 335 | or (len(data.err_data) == 0): |
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| 336 | flag = False |
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| 337 | else: |
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| 338 | if (data.y is None) or (len(data.y) == 0): |
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| 339 | flag = False |
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| 340 | if not data.is_data: |
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| 341 | flag = False |
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| 342 | else: |
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| 343 | flag = False |
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| 344 | return flag |
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