lsst.daf.butlerUtils.cameraMapper Namespace Reference

Classes
class	CameraMapper

Functions
def	exposureFromImage

Function Documentation

def lsst.daf.butlerUtils.cameraMapper.exposureFromImage

(

image

)

Generate an exposure from a DecoratedImage or similar
@param[in] image Image of interest
@return (lsst.afw.image.Exposure) Exposure containing input image

Definition at line 838 of file cameraMapper.py.

def exposureFromImage(image):
    """Generate an exposure from a DecoratedImage or similar
    @param[in] image Image of interest
    @return (lsst.afw.image.Exposure) Exposure containing input image
    """
    if isinstance(image, afwImage.DecoratedImageU) or isinstance(image, afwImage.DecoratedImageI) or \
        isinstance(image, afwImage.DecoratedImageF) or isinstance(image, afwImage.DecoratedImageD):
        exposure = afwImage.makeExposure(afwImage.makeMaskedImage(image.getImage()))
    else:
        exposure = image
    md = image.getMetadata()
    exposure.setMetadata(md)
    wcs = afwImage.makeWcs(md)
    exposure.setWcs(wcs)
    wcsMetadata = wcs.getFitsMetadata()
    for kw in wcsMetadata.paramNames():
        md.remove(kw)

    return exposure