r653: *** empty log message ***

[ctsim.git] / libctsim / imagefile.cpp

diff --git a/libctsim/imagefile.cpp b/libctsim/imagefile.cpp
index bab87bdeff5ab0fa4486a66f629089e85efd4d91..356e48904e3f3e5591d285c746beb6c75b82c4be 100644 (file)
--- a/libctsim/imagefile.cpp
+++ b/libctsim/imagefile.cpp
@@ -9,7 +9,7 @@
 **  This is part of the CTSim program
 **  Copyright (c) 1983-2001 Kevin Rosenberg
 **
-**  $Id: imagefile.cpp,v 1.42 2001/03/21 21:45:31 kevin Exp $
+**  $Id: imagefile.cpp,v 1.44 2001/03/30 22:09:09 kevin Exp $
 **
 **  This program is free software; you can redistribute it and/or modify
 **  it under the terms of the GNU General Public License (version 2) as
@@ -1185,7 +1185,7 @@ ImageFile::magnitude (ImageFile& result) const
       if (isComplex()) 
         vRealResult[ix][iy] = ::sqrt (vReal[ix][iy] * vReal[ix][iy] + vImag[ix][iy] * vImag[ix][iy]);
       else
-        vRealResult[ix][iy] = vReal[ix][iy];
+        vRealResult[ix][iy] = ::fabs(vReal[ix][iy]);
     }
     
     if (result.isComplex())
@@ -1815,7 +1815,7 @@ ImageFile::writeImagePNG (const char* const outfile, int bitdepth, int nxcell, i
   
   png_init_io(png_ptr, fp);
   
-  png_set_IHDR (png_ptr, info_ptr, nx * nxcell, ny * nycell, bitdepth, PNG_COLOR_TYPE_GRAY, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_DEFAULT);
+  png_set_IHDR (png_ptr, info_ptr, nx * nxcell, ny * nycell, bitdepth, PNG_COLOR_TYPE_GRAY, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
   
   png_write_info(png_ptr, info_ptr);
   for (int irow = ny - 1; irow >= 0; irow--) {