ignore2d
- sherpa.astro.ui.ignore2d(val=None)
Exclude a spatial region from all data sets.
Select a spatial region to exclude in the fit. The filter is applied to all data sets.
- Parameters
val (str, optional) – A region specification as a string or the name of a file containing a region filter. The coordinates system of the filter is taken from the coordinate setting of the data sets (
set_coord
). IfNone
, then all points are included.
See also
ignore2d_id
Exclude a spatial region from a data set.
ignore2d_image
Select the region to exclude from the image viewer.
notice2d
Include a spatial region from all data sets.
notice2d_id
Include a spatial region of a data set.
notice2d_image
Select the region to include from the image viewer.
set_coord
Set the coordinate system to use for image analysis.
Notes
The region syntax is described in the
notice2d
function.Examples
Exclude points that fall within the two regions:
>>> ignore2d('ellipse(200,300,40,30,-34)') >>> ignore2d('box(40,100,30,40)')
Use a region file called ‘reg.fits’, by using either:
>>> ignore2d('reg.fits')
or
>>> ignore2d('region(reg.fits)')
Exclude all points.
>>> ignore2d()