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def | __init__ (self, nSide, ident, nest, patchInnerDimensions, patchBorder, ctrCoord, tractOverlap, wcs) |
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def | getSequentialPatchIndex (self, patchInfo) |
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def | getPatchIndexPair (self, sequentialIndex) |
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def | findPatch (self, coord) |
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def | findPatchList (self, coordList) |
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def | getBBox (self) |
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def | getCtrCoord (self) |
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def | getId (self) |
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def | getNumPatches (self) |
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def | getPatchBorder (self) |
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def | getPatchInfo (self, index) |
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def | getPatchInnerDimensions (self) |
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def | getTractOverlap (self) |
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def | getVertexList (self) |
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def | getInnerSkyPolygon (self) |
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def | getOuterSkyPolygon (self) |
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def | getWcs (self) |
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def | __str__ (self) |
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def | __repr__ (self) |
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def | __iter__ (self) |
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def | __len__ (self) |
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def | __getitem__ (self, index) |
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def | contains (self, coord) |
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Tract for the HealpixSkyMap
Definition at line 66 of file healpixSkyMap.py.
◆ __init__()
def lsst.skymap.healpixSkyMap.HealpixTractInfo.__init__ |
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self, |
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nSide, |
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ident, |
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nest, |
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patchInnerDimensions, |
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patchBorder, |
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ctrCoord, |
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tractOverlap, |
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wcs |
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◆ __getitem__()
def lsst.skymap.tractInfo.TractInfo.__getitem__ |
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self, |
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index |
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inherited |
◆ __iter__()
def lsst.skymap.tractInfo.TractInfo.__iter__ |
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self | ) |
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◆ __len__()
def lsst.skymap.tractInfo.TractInfo.__len__ |
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self | ) |
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◆ __repr__()
def lsst.skymap.tractInfo.TractInfo.__repr__ |
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self | ) |
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◆ __str__()
def lsst.skymap.tractInfo.TractInfo.__str__ |
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self | ) |
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◆ contains()
def lsst.skymap.tractInfo.TractInfo.contains |
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self, |
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coord |
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Does this tract contain the coordinate?
Definition at line 408 of file tractInfo.py.
◆ findPatch()
def lsst.skymap.tractInfo.TractInfo.findPatch |
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self, |
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coord |
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Find the patch containing the specified coord.
Parameters
----------
coord : `lsst.geom.SpherePoint`
ICRS sky coordinate to search for.
Returns
-------
result : `lsst.skymap.PatchInfo`
PatchInfo of patch whose inner bbox contains the specified coord
Raises
------
LookupError
If coord is not in tract or we cannot determine the
pixel coordinate (which likely means the coord is off the tract).
Definition at line 203 of file tractInfo.py.
◆ findPatchList()
def lsst.skymap.tractInfo.TractInfo.findPatchList |
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self, |
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coordList |
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inherited |
Find patches containing the specified list of coords.
Parameters
----------
coordList : `list` of `lsst.geom.SpherePoint`
ICRS sky coordinates to search for.
Returns
-------
result : `list` of `lsst.skymap.PatchInfo`
List of PatchInfo for patches that contain, or may contain, the
specified region. The list will be empty if there is no overlap.
Notes
-----
**Warning:**
- This may give incorrect answers on regions that are larger than a
tract.
- This uses a naive algorithm that may find some patches that do not
overlap the region (especially if the region is not a rectangle
aligned along patch x,y).
Definition at line 233 of file tractInfo.py.
◆ getBBox()
def lsst.skymap.tractInfo.TractInfo.getBBox |
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self | ) |
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Get bounding box of tract (as an geom.Box2I)
Definition at line 278 of file tractInfo.py.
◆ getCtrCoord()
def lsst.skymap.tractInfo.TractInfo.getCtrCoord |
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self | ) |
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Get ICRS sky coordinate of center of tract
(as an lsst.geom.SpherePoint)
Definition at line 283 of file tractInfo.py.
◆ getId()
def lsst.skymap.tractInfo.TractInfo.getId |
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self | ) |
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◆ getInnerSkyPolygon()
def lsst.skymap.tractInfo.TractInfo.getInnerSkyPolygon |
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self | ) |
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Get inner on-sky region as a sphgeom.ConvexPolygon.
Definition at line 368 of file tractInfo.py.
◆ getNumPatches()
def lsst.skymap.tractInfo.TractInfo.getNumPatches |
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self | ) |
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Get the number of patches in x, y.
Returns
-------
result : `tuple` of `int`
The number of patches in x, y
Definition at line 294 of file tractInfo.py.
◆ getOuterSkyPolygon()
def lsst.skymap.tractInfo.TractInfo.getOuterSkyPolygon |
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self | ) |
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Get outer on-sky region as a sphgeom.ConvexPolygon
Definition at line 374 of file tractInfo.py.
◆ getPatchBorder()
def lsst.skymap.tractInfo.TractInfo.getPatchBorder |
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self | ) |
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◆ getPatchIndexPair()
def lsst.skymap.tractInfo.TractInfo.getPatchIndexPair |
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self, |
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sequentialIndex |
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◆ getPatchInfo()
def lsst.skymap.tractInfo.TractInfo.getPatchInfo |
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self, |
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index |
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Return information for the specified patch.
Parameters
----------
index : `tuple` of `int`
Index of patch, as a pair of ints;
or a sequential index as returned by getSequentialPatchIndex;
negative values are not supported.
Returns
-------
result : `lsst.skymap.PatchInfo`
The patch info for that index.
Raises
------
IndexError
If index is out of range.
Definition at line 307 of file tractInfo.py.
◆ getPatchInnerDimensions()
def lsst.skymap.tractInfo.TractInfo.getPatchInnerDimensions |
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self | ) |
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Get dimensions of inner region of the patches (all are the same)
Definition at line 348 of file tractInfo.py.
◆ getSequentialPatchIndex()
def lsst.skymap.tractInfo.TractInfo.getSequentialPatchIndex |
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self, |
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patchInfo |
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Return a single integer that uniquely identifies the given patch
within this tract.
Definition at line 189 of file tractInfo.py.
◆ getTractOverlap()
def lsst.skymap.tractInfo.TractInfo.getTractOverlap |
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self | ) |
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Get minimum overlap of adjacent sky tracts.
Definition at line 353 of file tractInfo.py.
◆ getVertexList()
def lsst.skymap.tractInfo.TractInfo.getVertexList |
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self | ) |
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Get list of ICRS sky coordinates of vertices that define the
boundary of the inner region.
Notes
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**warning:** this is not a deep copy.
Definition at line 358 of file tractInfo.py.
◆ getWcs()
def lsst.skymap.tractInfo.TractInfo.getWcs |
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self | ) |
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inherited |
Get WCS of tract.
Returns
-------
wcs : `lsst.afw.geom.SkyWcs`
The WCS of this tract
Definition at line 379 of file tractInfo.py.
The documentation for this class was generated from the following file: