GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: src/ten/tendNorm.c Lines: 16 30 53.3 %
Date: 2017-05-26 Branches: 1 22 4.5 %

Line Branch Exec Source
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/*
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  Teem: Tools to process and visualize scientific data and images             .
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  Copyright (C) 2013, 2012, 2011, 2010, 2009  University of Chicago
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  Copyright (C) 2008, 2007, 2006, 2005  Gordon Kindlmann
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  Copyright (C) 2004, 2003, 2002, 2001, 2000, 1999, 1998  University of Utah
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  This library is free software; you can redistribute it and/or
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  modify it under the terms of the GNU Lesser General Public License
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  (LGPL) as published by the Free Software Foundation; either
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  version 2.1 of the License, or (at your option) any later version.
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  The terms of redistributing and/or modifying this software also
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  include exceptions to the LGPL that facilitate static linking.
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  This library is distributed in the hope that it will be useful,
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  but WITHOUT ANY WARRANTY; without even the implied warranty of
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  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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  Lesser General Public License for more details.
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  You should have received a copy of the GNU Lesser General Public License
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  along with this library; if not, write to Free Software Foundation, Inc.,
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  51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
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*/
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#include "ten.h"
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#include "privateTen.h"
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#define INFO "Normalize tensor size"
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static const char *_tend_normInfoL =
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  (INFO
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   ". This operates on the eigenvalues of the tensor, and allows "
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   "normalizing some user-defined weighting (\"-w\") of the eigenvalues by "
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   "some user-defined amount (\"-a\").");
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int
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tend_normMain(int argc, const char **argv, const char *me,
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              hestParm *hparm) {
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  int pret;
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  hestOpt *hopt = NULL;
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  char *perr, *err;
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  airArray *mop;
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  Nrrd *nin, *nout;
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  char *outS;
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  float amount, target;
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  double weight[3];
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  hestOptAdd(&hopt, "w", "w0 w1 w2", airTypeDouble, 3, 3, weight, NULL,
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             "relative weights to put on major, medium, and minor "
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             "eigenvalue when performing normalization (internally "
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             "rescaled to have a 1.0 L1 norm). These weightings determine "
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             "the tensors's \"size\".");
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  hestOptAdd(&hopt, "a", "amount", airTypeFloat, 1, 1, &amount, "1.0",
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             "how much of the normalization to perform");
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  hestOptAdd(&hopt, "t", "target", airTypeFloat, 1, 1, &target, "1.0",
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             "target size, post normalization");
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  hestOptAdd(&hopt, "i", "nin", airTypeOther, 1, 1, &nin, "-",
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             "input diffusion tensor volume", NULL, NULL, nrrdHestNrrd);
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  hestOptAdd(&hopt, "o", "nout", airTypeString, 1, 1, &outS, "-",
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             "output image (floating point)");
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  mop = airMopNew();
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  airMopAdd(mop, hopt, (airMopper)hestOptFree, airMopAlways);
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  USAGE(_tend_normInfoL);
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  PARSE();
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  airMopAdd(mop, hopt, (airMopper)hestParseFree, airMopAlways);
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  nout = nrrdNew();
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  airMopAdd(mop, nout, (airMopper)nrrdNuke, airMopAlways);
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  if (tenSizeNormalize(nout, nin, weight, amount, target)) {
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    airMopAdd(mop, err=biffGetDone(TEN), airFree, airMopAlways);
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    fprintf(stderr, "%s: trouble:\n%s\n", me, err);
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    airMopError(mop); return 1;
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  }
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  if (nrrdSave(outS, nout, NULL)) {
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    airMopAdd(mop, err=biffGetDone(NRRD), airFree, airMopAlways);
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    fprintf(stderr, "%s: trouble writing:\n%s\n", me, err);
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    airMopError(mop); return 1;
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  }
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  airMopOkay(mop);
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  return 0;
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1
}
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TEND_CMD(norm, INFO);