webbpsf_ext.webbpsf_ext_core.nrc_mask_trans¶
- webbpsf_ext.webbpsf_ext_core.nrc_mask_trans(image_mask, x, y)[source]¶
Compute the amplitude transmission appropriate for a BLC for some given pixel spacing corresponding to the supplied Wavefront.
Based on the Krist et al. SPIE paper on NIRCam coronagraph design
Note : To get the actual transmission, these values should be squared.