SkyPixDimension¶
- class lsst.daf.butler.SkyPixDimension(system: SkyPixSystem, level: int)¶
Bases:
Dimension
Special dimension for sky pixelizations.
A special
Dimension
subclass for hierarchical pixelizations of the sky at a particular level.Unlike most other dimensions, skypix dimension records are not stored in the database, as these records only contain an integer pixel ID and a region on the sky, and each of these can be computed directly from the other.
- Parameters:
- system
SkyPixSystem
Pixelization system this dimension belongs to.
- level
int
Integer level of this pixelization (smaller numbers are coarser grids).
- system
Attributes Summary
Extended description of this dimension element.
Whether this element should have its own table in the database.
Return the implied dimensions.
Additional metadata fields included in this element's table.
Return unique string identifier for this endpoint (
str
).Return the required dimensions.
Return the relationship families to which this endpoint belongs.
Descriptions of unique identifiers for this dimension.
Methods Summary
hasTable
()Indicate if this element is associated with a table.
Attributes Documentation
- documentation¶
- has_own_table¶
- implied¶
- metadata_columns¶
- name¶
- required¶
- topology¶
- unique_keys¶
Methods Documentation