Editing for clarity and to produce pictures
Start of making pictures
Confusions noted, more functions explained in p_renderOI.  Much more to be done
Comments
Merge branch 'lens' into lens-bw
Starting to move files for clarity
Removed backup files ~
Substantially simplified for readability.  Next step will be pulling out functions.  Then integrating more completely with oiCompute in ray trace mode
Illustrate converting PBRT to scene radiance
Preparing for rtPSF structure
Preparing for adding centroid calculation to psfCamera
make file
Eliminated stray startup file
Andy paper advanced
Merge branch 'lens-bw' of https://github.com/ydnality/Scene3D into lens-bw
Making lenses and validating paper
Illustrate effect of distance on blur
comments, not working for dgauss, though
Small edit for efficiency
COmments mainly, though I added a check on wave dimensions in p_renderOI script.