Esempio n. 1
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    def runDataRef(self, sensorRef):
        r"""Load the post instrument signature removal image

        \param[in]  sensorRef        sensor-level butler data reference

        \return     postIsrExposure  exposure to be passed to processCcdExposure
        """
        inputExposure = sensorRef.get("eimage", immediate=True)

        # eimages are int, but computation needs to be done on floating point values
        inputExposure = inputExposure.convertF()

        if self.config.doAddNoise:
            self.addNoise(inputExposure)

        if self.config.doSetVariance:
            self.setVariance(inputExposure)

        if self.config.maskEdgeBorder > 0:
            self.maskEdges(inputExposure)

        # eimages are transposed relative to the read direction.
        # Transpose the image to do interpolation in the serial direction
        mi = inputExposure.getMaskedImage()
        mi = isr.transposeMaskedImage(mi)

        # We may need to ingest the results of the processing and
        # ingestProcessed.py expects some specific header cards.
        # Set the header cards to values appropriate for an image
        # that has not been read out.
        md = inputExposure.getMetadata()
        md.add('RDNOISE', 0.)
        md.add('SATURATE', self.config.sat_val)
        md.add('GAINEFF', 1.)
        # Mask saturation
        isr.makeThresholdMask(
            maskedImage=mi,
            threshold=self.config.sat_val,
            growFootprints=0,
            maskName='SAT')
        # Interpolate
        isr.interpolateFromMask(
            maskedImage=mi,
            fwhm=self.config.interp_size,
            growFootprints=0,
            maskName='SAT',
        )
        inputExposure.setMaskedImage(isr.transposeMaskedImage(mi))
        return pipeBase.Struct(exposure=inputExposure)
Esempio n. 2
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    def runDataRef(self, sensorRef):
        """Load the post instrument signature removal image

        \param[in]  sensorRef        sensor-level butler data reference

        \return     postIsrExposure  exposure to be passed to processCcdExposure
        """
        inputExposure = sensorRef.get("eimage", immediate=True)

        # eimages are int, but computation needs to be done on floating point values
        inputExposure = inputExposure.convertF()

        if self.config.doAddNoise:
            self.addNoise(inputExposure)

        if self.config.doSetVariance:
            self.setVariance(inputExposure)

        if self.config.maskEdgeBorder > 0:
            self.maskEdges(inputExposure)

        # eimages are transposed relative to the read direction.
        # Transpose the image to do interpolation in the serial direction
        mi = inputExposure.getMaskedImage()
        mi = isr.transposeMaskedImage(mi)

        # We may need to ingest the results of the processing and
        # ingestProcessed.py expects some specific header cards.
        # Set the header cards to values appropriate for an image
        # that has not been read out.
        md = inputExposure.getMetadata()
        md.add('RDNOISE', 0.)
        md.add('SATURATE', self.config.sat_val)
        md.add('GAINEFF', 1.)
        # Mask saturation
        isr.makeThresholdMask(
            maskedImage=mi,
            threshold=self.config.sat_val,
            growFootprints=0,
            maskName='SAT')
        # Interpolate
        isr.interpolateFromMask(
            maskedImage=mi,
            fwhm=self.config.interp_size,
            growFootprints=self.config.growSaturationFootprintSize,
            maskName='SAT',
        )
        inputExposure.setMaskedImage(isr.transposeMaskedImage(mi))
        return pipeBase.Struct(exposure=inputExposure)
 def test_transposeMaskedImage(self):
     """Expect height and width to be exchanged.
     """
     transposed = ipIsr.transposeMaskedImage(self.mi)
     self.assertEqual(transposed.getImage().getBBox().getHeight(),
                      self.mi.getImage().getBBox().getWidth())
     self.assertEqual(transposed.getImage().getBBox().getWidth(),
                      self.mi.getImage().getBBox().getHeight())
Esempio n. 4
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 def test_transposeMaskedImage(self):
     """Expect height and width to be exchanged.
     """
     transposed = ipIsr.transposeMaskedImage(self.mi)
     self.assertEqual(transposed.getImage().getBBox().getHeight(),
                      self.mi.getImage().getBBox().getWidth())
     self.assertEqual(transposed.getImage().getBBox().getWidth(),
                      self.mi.getImage().getBBox().getHeight())