CircleSkyRegion¶

class regions.CircleSkyRegion(center, radius, meta=None, visual=None)[source]¶

A circle defined using sky coordinates.

Parameters:	center : `SkyCoord` Center position radius : `Quantity` Radius in angular units meta : `RegionMeta` object, optional A dictionary which stores the meta attributes of this region. visual : `RegionVisual` object, optional A dictionary which stores the visual meta attributes of this region.

Attributes Summary

`center`	Descriptor class for `SkyRegion` which takes a scalar `SkyCoord` object.
`radius`	Descriptor class for `SkyRegion` which takes a scalar `Quantity` object.

Methods Summary

to_pixel(wcs) Returns the equivalent region defined in pixel coordinates.

Attributes Documentation

center¶: Descriptor class for SkyRegion which takes a scalar SkyCoord object.

radius¶: Descriptor class for SkyRegion which takes a scalar Quantity object.

Methods Documentation

to_pixel(wcs)[source]¶

Returns the equivalent region defined in pixel coordinates.

Parameters:	wcs : `WCS` instance The world coordinate system transformation to assume
Returns:	pixel_region : `PixelRegion` object.