示例#1
0
    def _perform_operation(self, other, operation):
        """
        """
        # First, check the data compatibility
        dy, dy_other = self._validity_check(other)
        result = self.clone_without_data(len(self.x))
        result.copy_from_datainfo(data1d=self)
        if self.dxw == None:
            result.dxw = None
        else:
            result.dxw = numpy.zeros(len(self.x))
        if self.dxl == None:
            result.dxl = None
        else:
            result.dxl = numpy.zeros(len(self.x))

        for i in range(numpy.size(self.x)):
            result.x[i] = self.x[i]
            if self.dx is not None and len(self.x) == len(self.dx):
                result.dx[i] = self.dx[i]
            if self.dxw is not None and len(self.x) == len(self.dxw):
                result.dxw[i] = self.dxw[i]
            if self.dxl is not None and len(self.x) == len(self.dxl):
                result.dxl[i] = self.dxl[i]
            
            a = Uncertainty(self.y[i], dy[i]**2)
            if isinstance(other, Data1D):
                b = Uncertainty(other.y[i], dy_other[i]**2)
                if other.dx is not None:
                    result.dx[i] *= self.dx[i]
                    result.dx[i] += (other.dx[i]**2)
                    result.dx[i] /= 2
                    result.dx[i] = math.sqrt(result.dx[i])
                if result.dxl is not None and other.dxl is not None:
                    result.dxl[i] *= self.dxl[i]
                    other.dxl[i] += (other.dxl[i]**2)
                    result.dxl[i] /= 2
                    result.dxl[i] = math.sqrt(result.dxl[i])
                if result.dxw is not None and self.dxw is not None:
                    result.dxw[i] *= self.dxw[i]
                    other.dxw[i] += (other.dxw[i]**2)
                    result.dxw[i] /= 2
                    result.dxw[i] = math.sqrt(result.dxw[i])
            else:
                b = other
            
            output = operation(a, b)
            result.y[i] = output.x
            result.dy[i] = math.sqrt(math.fabs(output.variance))
        return result
示例#2
0
    def _perform_operation(self, other, operation):
        """
        Perform 2D operations between data sets

        :param other: other data set
        :param operation: function defining the operation
        """
        # First, check the data compatibility
        dy, dy_other = self._validity_check(other)
        result = self.clone_without_data(np.size(self.data))
        if self.dqx_data is None or self.dqy_data is None:
            result.dqx_data = None
            result.dqy_data = None
        else:
            result.dqx_data = np.zeros(len(self.data))
            result.dqy_data = np.zeros(len(self.data))
        for i in range(np.size(self.data)):
            result.data[i] = self.data[i]
            if (self.err_data is not None
                    and np.size(self.data) == np.size(self.err_data)):
                result.err_data[i] = self.err_data[i]
            if self.dqx_data is not None:
                result.dqx_data[i] = self.dqx_data[i]
            if self.dqy_data is not None:
                result.dqy_data[i] = self.dqy_data[i]
            result.qx_data[i] = self.qx_data[i]
            result.qy_data[i] = self.qy_data[i]
            result.q_data[i] = self.q_data[i]
            result.mask[i] = self.mask[i]

            a = Uncertainty(self.data[i], dy[i]**2)
            if isinstance(other, Data2D):
                b = Uncertainty(other.data[i], dy_other[i]**2)
                if other.dqx_data is not None and result.dqx_data is not None:
                    result.dqx_data[i] *= self.dqx_data[i]
                    result.dqx_data[i] += (other.dqx_data[i]**2)
                    result.dqx_data[i] /= 2
                    result.dqx_data[i] = math.sqrt(result.dqx_data[i])
                if other.dqy_data is not None and result.dqy_data is not None:
                    result.dqy_data[i] *= self.dqy_data[i]
                    result.dqy_data[i] += (other.dqy_data[i]**2)
                    result.dqy_data[i] /= 2
                    result.dqy_data[i] = math.sqrt(result.dqy_data[i])
            else:
                b = other
            output = operation(a, b)
            result.data[i] = output.x
            result.err_data[i] = math.sqrt(math.fabs(output.variance))
        return result
示例#3
0
 def _perform_operation(self, other, operation):
     """
     Perform 2D operations between data sets
     
     :param other: other data set
     :param operation: function defining the operation
     
     """
     # First, check the data compatibility
     dy, dy_other = self._validity_check(other)
     result = Data2D(image=None, qx_data=None, qy_data=None,
                      q_data=None, err_image=None, xmin=None, xmax=None,
                      ymin=None, ymax=None, zmin=None, zmax=None)
     result.clone_without_data(len(self.data))
     result.copy_from_datainfo(data2d=self)
     result.xmin = self.xmin
     result.xmax = self.xmax
     result.ymin = self.ymin
     result.ymax = self.ymax
     if self.dqx_data == None or self.dqy_data == None:
         result.dqx_data = None
         result.dqy_data = None
     else:
         result.dqx_data = numpy.zeros(len(self.data))
         result.dqy_data = numpy.zeros(len(self.data))
     for i in range(numpy.size(self.data)):
         result.data[i] = self.data[i]
         if self.err_data is not None and \
             numpy.size(self.data) == numpy.size(self.err_data):
             result.err_data[i] = self.err_data[i]    
         if self.dqx_data is not None:
             result.dqx_data[i] = self.dqx_data[i]
         if self.dqy_data is not None:
             result.dqy_data[i] = self.dqy_data[i]
         result.qx_data[i] = self.qx_data[i]
         result.qy_data[i] = self.qy_data[i]
         result.q_data[i] = self.q_data[i]
         result.mask[i] = self.mask[i]
         
         a = Uncertainty(self.data[i], dy[i]**2)
         if isinstance(other, Data2D):
             b = Uncertainty(other.data[i], dy_other[i]**2)
             if other.dqx_data is not None and \
                     result.dqx_data is not None:
                 result.dqx_data[i] *= self.dqx_data[i]
                 result.dqx_data[i] += (other.dqx_data[i]**2)
                 result.dqx_data[i] /= 2
                 result.dqx_data[i] = math.sqrt(result.dqx_data[i])     
             if other.dqy_data is not None and \
                     result.dqy_data is not None:
                 result.dqy_data[i] *= self.dqy_data[i]
                 result.dqy_data[i] += (other.dqy_data[i]**2)
                 result.dqy_data[i] /= 2
                 result.dqy_data[i] = math.sqrt(result.dqy_data[i])
         else:
             b = other
         
         output = operation(a, b)
         result.data[i] = output.x
         result.err_data[i] = math.sqrt(math.fabs(output.variance))
     return result