r203: *** empty log message ***

[ctsim.git] / man / pjrec.1

diff --git a/man/pjrec.1 b/man/pjrec.1
new file mode 100644 (file)
index 0000000..ec54cfd
--- /dev/null
+++ b/man/pjrec.1
@@ -0,0 +1,155 @@
+.\"  -*- NROFF -*-
+.TH pjrec 1
+
+.SH NAME
+pjrec - reconstruction from raysum projections
+
+.SH SYNOPSIS
+.B pjrec projection-file image-file nx-image ny-image [OPTIONS]
+
+.SH DESCRIPTION
+\fIpjrec\fP takes projection data from \fIraysum-file\P and produces an
+(IF) image file \fIimage-file\fP, of size \fInx-image\fP by
+\fIny-image\fP pixels, containing the reconstructed image.  
+
+.SH OPTIONS
+\fIpjrec\fP accepts the following options, which control the
+reconstruction algorithm:
+.TP 12
+.B \-\-interp        
+Interpolation method during backprojection
+.RS
+.TP
+.B nearest     
+Nearest neighbor interpolation
+.TP
+.B linear      
+Linear interpolation
+.RE
+.TP 12
+.B \-\-preinterpolate  
+Preinterpolation factor (default = 1).  Used only with frequency-based 
+filtering
+.TP 12
+.B \-\-filter       
+Filter name
+.RS
+.TP 15
+.B abs_bandlimit 
+Abs * Bandlimiting (default)
+.TP 15
+.B abs_sinc      
+Abs * Sinc
+.TP 15
+.B abs_cosine    
+Abs * Cosine
+.TP 15
+.B abs_hamming   
+Abs * Hamming
+.TP 15
+.B shepp         
+Shepp-Logan
+.TP 15
+.B bandlimit     
+Bandlimiting
+.TP 15
+.B sinc          
+Sinc
+.TP 15
+.B cosine        
+Cosine
+.TP 15
+.B triangle      
+Triangle
+.TP 15
+.B hamming       
+Hamming
+.RE
+.TP 12
+.B \-\-filter-method  
+Filter method before backprojections
+.RS
+.TP 15
+.B convolution      
+Spatial filtering (default)
+.TP 15
+.B fourier          
+Frequency filtering with discete fourier
+.TP 15
+.B fourier_table    
+Frequency filtering with table lookup fourier
+.TP 15
+.B fft              
+Fast Fourier Transform
+.RE
+.TP 12
+.B \-\-zeropad n   
+Set zeropad level (default = 0).  set n to number of powers to two to pad
+.TP 12
+.B \-\-filter-generation  
+Filter Generation mode
+.RS
+.TP 12
+.B direct       
+Use direct filter in spatial or frequency domain (default)
+.TP 12
+.B inverse_fourier  
+Use inverse fourier transform of inverse filter
+.RE
+.TP 12
+.B \-\-backproj    
+Backprojection Method
+.RS
+.TP
+.B trig        
+Trigometric functions at every point
+.TP
+.B table       
+Trigometric functions with precalculated table
+.TP
+.B diff        
+Difference method
+.TP
+.B diff2       
+Optimized difference method (default)
+.TP
+.B idiff2      
+Optimized difference method with integer math
+.TP
+.B idiff3      
+Highly-optimized difference method with integer math
+.RE
+.TP 12
+.B \-\-filter-param 
+Alpha level for Hamming filter
+.TP 12
+.B \-\-trace        
+Set tracing to level:
+.RS
+.TP 12
+.B none        
+No tracing (default)
+.TP 12
+.B console     
+Text level tracing
+.TP 12
+.B phantom     
+Trace phantom
+.TP 12
+.B proj        
+Trace allrays
+.TP 12
+.B plot        
+Trace plotting
+.TP 12
+.B clipping    
+Trace clipping
+.RE
+.TP 12
+.B \-\-verbose      Turn on verbose mode
+.TP 12
+.B \-\-debug        Turn on debug mode
+.TP 12
+.B \-\-version      Print version
+.TP 12
+.B \-\-help         Print a terse help message