r7950: minor efficiency change

[ctsim.git] / man / pjrec.1

diff --git a/man/pjrec.1 b/man/pjrec.1
index 2c9fc92a6a3e14dc76c8caa438c55a6fb99cb13e..1af490b8245c2ea60d9924494f8f8315d821861f 100644 (file)
--- a/man/pjrec.1
+++ b/man/pjrec.1
@@ -1,34 +1,34 @@
-.\"  -*- nroff -*-
-.Dd May 2, 2002
-.Dt PJREC 1
-.Os
-.Sh NAME
-.Nm pjrec
-.Nd reconstruction image from projections
-.Sh SYNOPSIS
-.Nm pjrec projection-file image-file nx-image ny-image [OPTIONS]
-.Sh DESCRIPTION
-.Nm 
-takes projection data from \fIprojection-file\fP 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
-.Nm accepts the following options, which control the
+.\" -*- NROFF -*-
+.\" 
+.TH "pjrec" "1" "" "Kevin Rosenberg" "Engineering"
+.SH "NAME"
+pjrec \- reconstruction from 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
 reconstruction algorithm:
 .TP 12
 .B \-\-interp        
 Interpolation method during backprojection
 .RS

-.TP
+.TP 

 .B nearest     
 Nearest neighbor interpolation
 .B nearest     
 Nearest neighbor interpolation

-.TP
+.TP 

 .B linear      
 Linear interpolation
 .RE
 .TP 12
 .B \-\-preinterpolate  
 .B linear      
 Linear interpolation
 .RE
 .TP 12
 .B \-\-preinterpolate  

-Preinterpolation factor (default = 1).  Used only with frequency-based 
+Preinterpolation factor (default = 1).  Used only with frequency\-based 

 filtering
 .TP 12
 .B \-\-filter       
 filtering
 .TP 12
 .B \-\-filter       


@@ -48,7 +48,7 @@ Abs * Cosine
 Abs * Hamming
 .TP 15
 .B shepp         
 Abs * Hamming
 .TP 15
 .B shepp         

-Shepp-Logan
+Shepp\-Logan

 .TP 15
 .B bandlimit     
 Bandlimiting
 .TP 15
 .B bandlimit     
 Bandlimiting


@@ -66,7 +66,7 @@ Triangle
 Hamming
 .RE
 .TP 12
 Hamming
 .RE
 .TP 12

-.B \-\-filter-method  
+.B \-\-filter\-method  

 Filter method before backprojections
 .RS
 .TP 15
 Filter method before backprojections
 .RS
 .TP 15


@@ -86,7 +86,7 @@ Fast Fourier Transform
 .B \-\-zeropad n   
 Set zeropad level (default = 0).  set n to number of powers to two to pad
 .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  
+.B \-\-filter\-generation  

 Filter Generation mode
 .RS
 .TP 12
 Filter Generation mode
 .RS
 .TP 12


@@ -100,27 +100,27 @@ Use inverse fourier transform of inverse filter
 .B \-\-backproj    
 Backprojection Method
 .RS
 .B \-\-backproj    
 Backprojection Method
 .RS

-.TP
+.TP 

 .B trig        
 Trigometric functions at every point
 .B trig        
 Trigometric functions at every point

-.TP
+.TP 

 .B table       
 Trigometric functions with precalculated table
 .B table       
 Trigometric functions with precalculated table

-.TP
+.TP 

 .B diff        
 Difference method
 .B diff        
 Difference method

-.TP
+.TP 

 .B diff2       
 Optimized difference method (default)
 .B diff2       
 Optimized difference method (default)

-.TP
+.TP 

 .B idiff2      
 Optimized difference method with integer math
 .B idiff2      
 Optimized difference method with integer math

-.TP
+.TP 

 .B idiff3      
 .B idiff3      

-Highly-optimized difference method with integer math
+Highly\-optimized difference method with integer math

 .RE
 .TP 12
 .RE
 .TP 12

-.B \-\-filter-param 
+.B \-\-filter\-param 

 Alpha level for Hamming filter
 .TP 12
 .B \-\-trace        
 Alpha level for Hamming filter
 .TP 12
 .B \-\-trace        


@@ -142,12 +142,12 @@ Text level tracing
 .TP 12
 .B \-\-help         Print a terse help message
 
 .TP 12
 .B \-\-help         Print a terse help message
 

-.SH AUTHORS
+.SH "AUTHORS"

 Kevin Rosenberg, M.D. <kevin@ctsim.org>
 
 Kevin Rosenberg, M.D. <kevin@ctsim.org>
 

-.SH HISTORY
-CTSim was begun in 1983 using MS-DOS and an EGA display adapter. In
+.SH "HISTORY"
+CTSim was begun in 1983 using MS\-DOS and an EGA display adapter. In

 1999 it was ported to GNU/Linux and later ported to Microsoft Windows.
 
 1999 it was ported to GNU/Linux and later ported to Microsoft Windows.
 

-.SH SEE ALSO
+.SH "SEE ALSO"

 .BR ctsim (1), ifinfo (1), if1 (1), if2 (1), ifexport (1), phm2pj (1), phm2if (1), pj2if (1), pjinfo (1)
 .BR ctsim (1), ifinfo (1), if1 (1), if2 (1), ifexport (1), phm2pj (1), phm2if (1), pj2if (1), pjinfo (1)