dlosUniform

Workspace.dlosUniform(self: pyarts.arts._Workspace, dlos: Optional[Union[pyarts.arts.WorkspaceVariable, pyarts.arts.Matrix]] = self.dlos, dlos_weight_vector: Optional[Union[pyarts.arts.WorkspaceVariable, pyarts.arts.Vector]] = self.dlos_weight_vector, width: Union[pyarts.arts.WorkspaceVariable, pyarts.arts.Numeric], npoints: Union[pyarts.arts.WorkspaceVariable, pyarts.arts.Index], crop_circular: Optional[Union[pyarts.arts.WorkspaceVariable, pyarts.arts.Index]] = 0, verbosity: Optional[Union[pyarts.arts.WorkspaceVariable, pyarts.arts.Verbosity]] = self.verbosity) → None

Gives dlos a rectangular coverage, with uniform spacing.

The directions described by dlos are uniform with respect to relative zenith and azimuth (and thus are NOT uniform in solid angle). The same angular grid is applied in both angular dimensions. With width = 1 and npoints = 5, the angular grids both are [-0.4, -0.2, 0, 0.2, 0.4].

The inner loop in is the zenith direction. That is, first comes all relative zenith angles for first relative azimuth angle etc.

For default settings, the resulting number of dlos-directions is npoints * npoints.

If GIN crop_circular is true, dlos-es at a radius outside of width/2 are removed. The resulting number of directions then approaches pi * npoints * npoints / 4, for high values of npoints. There is no effect of crop_circular for npoints=2, while for npoints=3 the corner points are removed (despite being inside the radius limit) and the number of directions becomes five.

Author(s): Patrick Eriksson

Parameters:

  • dlos (Matrix, optional) – A set of relative angles. See dlos, defaults to self.dlos [OUT]

  • dlos_weight_vector (Vector, optional) – A weight associated with each direction dlos. See dlos_weight_vector, defaults to self.dlos_weight_vector [OUT]

  • width (Numeric) – The full width, in each dimension, in degrees. [IN]

  • npoints (Index) – Number of points over the width, in each dimension (>1). [IN]

  • crop_circular (Index, optional) – Set to 1, to crop dlos-es to obtain a pseudo-circular pattern. Defaults to 0 [IN]

  • verbosity (Verbosity) – ARTS verbosity. See verbosity, defaults to self.verbosity [IN]