autolens/model/profiles/mass_profiles.py
def deflections_from_grid(self, grid, **kwargs):
        """
        Calculate the deflection angles at a given set of arc-second gridded coordinates.

        Parameters
        ----------
        grid : grids.RegularGrid
            The grid of (y,x) arc-second coordinates the deflection angles are computed on.
        """

        eta = np.multiply(1. / self.scale_radius, self.grid_to_grid_radii(grid))

        deflection_grid = np.zeros(grid.shape[0])

        for i in range(grid.shape[0]):
            deflection_grid[i] = np.multiply(4. * self.kappa_s * self.scale_radius, self.deflection_func_sph(eta[i]))

        return self.grid_to_grid_cartesian(grid, deflection_grid)
def deflections_from_grid(self, grid, **kwargs):
        """
        Calculate the deflection angles at a given set of arc-second gridded coordinates.

        Parameters
        ----------
        grid : grids.RegularGrid
            The grid of (y,x) arc-second coordinates the deflection angles are computed on.
        """

        eta = np.multiply(1. / self.scale_radius, self.grid_to_grid_radii(grid))

        deflection_grid = np.zeros(grid.shape[0])

        for i in range(grid.shape[0]):
            deflection_grid[i] = np.multiply(4. * self.kappa_s * self.scale_radius, self.deflection_func_sph(eta[i]))

        return self.grid_to_grid_cartesian(grid, deflection_grid)
Calculate the deflection angles at a given set of arc-second gridded coordinates.

        Parameters
        ----------
        grid : grids.RegularGrid
            The grid of (y,x) arc-second coordinates the deflection angles are computed on.