lsst.afw.geom¶
Using lsst.afw.geom¶
Contributing¶
lsst.afw.geom
is developed at https://github.com/lsst/afw.
You can find Jira issues for this module under the afw component.
Python API reference¶
lsst.afw.geom Package¶
Functions¶
calculateSipWcsHeader (wcs, order, bbox, spacing) |
Generate a SIP WCS header approximating a given SkyWcs |
computePixelToDistortedPixel (…) |
Compute the transform pixelToDistortedPixel , which applies optical distortion specified by focalPlaneToFieldAngle . |
createTrivialWcsMetadata (wcsName, xy0) |
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deleteBasicWcsMetadata (metadata, wcsName) |
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getCdMatrixFromMetadata (metadata) |
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getImageXY0FromMetadata (metadata, wcsName, strip) |
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getIntermediateWorldCoordsToSky (wcs, simplify) |
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getPixelToIntermediateWorldCoords (wcs, simplify) |
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getSipMatrixFromMetadata (metadata, name) |
Extract a SIP matrix from FITS TAN-SIP WCS metadata. |
hasSipMatrix (metadata, name) |
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linearizeTransform (original, point) |
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makeCdMatrix (scale, orientation, flipX) |
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makeFlippedWcs (wcs, flipLR, flipTB, center) |
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makeHpxWcs (hips_order, pixel[, shift_order]) |
Make a SkyWcs object with HEALPix grid projection (HPX). |
makeIdentityTransform () |
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makeModifiedWcs (pixelTransform, wcs, …) |
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makeRadialTransform (*args, **kwargs) |
Overloaded function. |
makeSimpleWcsMetadata (crpix, crval, …) |
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makeSipMatrixMetadata (matrix, n]], name) |
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makeSkyWcs (*args, **kwargs) |
Overloaded function. |
makeTanSipMetadata (*args, **kwargs) |
Overloaded function. |
makeTanSipWcs (*args, **kwargs) |
Overloaded function. |
makeTransform (affine) |
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makeWcsPairTransform (src, dst) |
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transformFromString (data) |
Read a Transform from a string that was saved using Transform.writeString |
wcsAlmostEqualOverBBox (wcs0, wcs1, bbox[, …]) |
Test if two WCS are almost equal over a grid of pixel positions. |
Classes¶
AffineTransformConfig |
A Config representing an affine Transform . |
Ellipse |
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GenericEndpoint |
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IdentityTransformConfig |
A Config representing a Transform that does nothing. |
MultiTransformConfig |
A Config representing a chain of consecutive Transforms . |
OneTransformConfig |
A Config representing a single Transform in a compound Transform . |
Point2Endpoint |
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Polygon |
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Quadrupole |
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RadialTransformConfig |
A Config representing a radially symmetric Transform . |
SipApproximation |
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SkyWcs |
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Span |
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SpanIterator |
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SpanSet |
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SpherePointEndpoint |
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Stencil |
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TransformConfig |
Config that identifies Transforms by keyword. |
TransformGenericToGeneric |
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TransformGenericToPoint2 |
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TransformGenericToSpherePoint |
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TransformPoint2ToGeneric |
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TransformPoint2ToPoint2 |
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TransformPoint2ToSpherePoint |
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TransformSpherePointToGeneric |
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TransformSpherePointToPoint2 |
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TransformSpherePointToSpherePoint |
Class Inheritance Diagram¶
lsst.afw.geom.testUtils Module¶
Functions¶
makeSipIwcToPixel (metadata) |
Make an IWC to pixel transform with SIP distortion from FITS-WCS metadata |
makeSipPixelToIwc (metadata) |
Make a pixel to IWC transform with SIP distortion from FITS-WCS metadata |