e2ctf2eman1

usage: prog [options]
	
Converts EMAN2 CTF model to the EMAN1 CTF model as well as possible.
Outputs CTF parameters to ctfparm.txt file in the current directory.

To use, run this program in the directory containing your EMAN2DB directory.
It is recommended that you specify a structure factor file (--sf=<file>). 

Always manually check/refine output, since the EMAN1 and EMAN2 CTF
models are not completely compatible.

Option	Type	Description
--version	None	show program's version number and exit
--first	int	First image to include in the plot.
--last	int	Last image to include in the plot.
--sf	str	The name of a file containing a structure factor curve.
--noisemin	float	Minimum resolution to examine for determining the noise parameters.
--noisemax	float	Maximum resolution to examine for determining the noise parameters.
--ac	float	Set amplitude contrast (percentage, default=10).
--bf	float	Set constant B-factor (as defined in EMAN1) for all images.
--df	None	Calculate defocus from entire CCD frame.
--dfmin	float	Set minimum possible defocus value (positive is underfocus).
--dfmax	float	Set maximum possible defocus value (positive is underfocus).
--dfval	float	Set constant defocus for all images (positive is underfocus).
--ctfcoverage	None	Create a map showing the integrated SNR for the combined data.
--debug	None	Show debugging messages.
--ppid	int	Set the PID of the parent process, used for cross platform PPID