updateVariance¶
- lsst.ip.isr.updateVariance(maskedImage, gain, readNoise)¶
Set the variance plane based on the image plane.
- Parameters:
- maskedImage
lsst.afw.image.MaskedImage
Image to process. The variance plane is modified.
- gainscalar
The amplifier gain in electrons/ADU.
- readNoisescalar
The amplifier read nmoise in ADU/pixel.
- maskedImage