GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: src/unrrdu/dice.c Lines: 14 70 20.0 %
Date: 2017-05-26 Branches: 1 40 2.5 %

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 "unrrdu.h"
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#include "privateUnrrdu.h"
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#define INFO "Save all slices along one axis into separate files"
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static const char *_unrrdu_diceInfoL =
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(INFO
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 ". Calls \"unu slice\" for each position "
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 "along the indicated axis, and saves out a different "
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 "file for each sample along that axis.\n "
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 "* Uses repeated calls to nrrdSlice and nrrdSave");
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int
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unrrdu_diceMain(int argc, const char **argv, const char *me,
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                hestParm *hparm) {
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2
  hestOpt *opt = NULL;
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1
  char *base, *err, fnout[AIR_STRLEN_MED], /* file name out */
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    fffname[AIR_STRLEN_MED],  /* format for filename */
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    *ftmpl;                   /* format template */
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  Nrrd *nin, *nout;
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  int pret, fit;
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  unsigned int axis, start, pos, top, size, sanity;
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  airArray *mop;
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  OPT_ADD_AXIS(axis, "axis to slice along");
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1
  OPT_ADD_NIN(nin, "input nrrd");
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1
  hestOptAdd(&opt, "s,start", "start", airTypeUInt, 1, 1, &start, "0",
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             "integer value to start numbering with");
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1
  hestOptAdd(&opt, "ff,format", "form", airTypeString, 1, 1, &ftmpl, "",
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             "a printf-style format to use for generating all "
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             "filenames.  Use this to override the number of characters "
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             "used to represent the slice position, or the file format "
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             "of the output, e.g. \"-ff %03d.ppm\" for 000.ppm, "
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             "001.ppm, etc. By default (not using this option), slices "
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             "are saved in NRRD format (or PNM or PNG where possible) "
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             "with shortest possible filenames.");
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  /* the fact that we're using unsigned int instead of size_t is
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     its own kind of sanity check */
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1
  hestOptAdd(&opt, "l,limit", "max#", airTypeUInt, 1, 1, &sanity, "9999",
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             "a sanity check on how many slice files should be saved "
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             "out, to prevent accidentally dicing the wrong axis "
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             "or the wrong array. Can raise this value if needed.");
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1
  hestOptAdd(&opt, "o,output", "prefix", airTypeString, 1, 1, &base, NULL,
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             "output filename prefix (excluding info set via \"-ff\"), "
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             "basically to set path of output files (so be sure to end "
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             "with \"/\".");
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  mop = airMopNew();
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1
  airMopAdd(mop, opt, (airMopper)hestOptFree, airMopAlways);
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  USAGE(_unrrdu_diceInfoL);
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  PARSE();
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  airMopAdd(mop, opt, (airMopper)hestParseFree, airMopAlways);
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  if (!( axis < nin->dim )) {
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    fprintf(stderr, "%s: given axis (%u) outside range [0,%u]\n",
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            me, axis, nin->dim-1);
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    airMopError(mop);
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    return 1;
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  }
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  if (nin->axis[axis].size > sanity) {
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    char stmp[AIR_STRLEN_SMALL];
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    fprintf(stderr, "%s: axis %u size %s > sanity limit %u; "
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            "increase via \"-l\"\n", me,
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            axis, airSprintSize_t(stmp, nin->axis[axis].size), sanity);
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    airMopError(mop);
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    return 1;
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  }
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  size = AIR_UINT(nin->axis[axis].size);
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  /* HEY: this should use nrrdSaveMulti(), and if there's additional
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     smarts here, they should be moved into nrrdSaveMulti() */
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  if (airStrlen(ftmpl)) {
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    if (!( _nrrdContainsPercentThisAndMore(ftmpl, 'd')
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           || _nrrdContainsPercentThisAndMore(ftmpl, 'u') )) {
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      fprintf(stderr, "%s: given filename format \"%s\" doesn't seem to "
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              "have the converstion specification to print an integer\n",
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              me, ftmpl);
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      airMopError(mop);
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      return 1;
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    }
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    sprintf(fffname, "%%s%s", ftmpl);
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  } else {
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    unsigned int dignum=0, tmps;
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    tmps = top = start + size - 1;
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    do {
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      dignum++;
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      tmps /= 10;
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    } while (tmps);
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    /* sprintf the number of digits into the string that will be used
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       to sprintf the slice number into the filename */
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    sprintf(fffname, "%%s%%0%uu.nrrd", dignum);
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  }
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  nout = nrrdNew();
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  airMopAdd(mop, nout, (airMopper)nrrdNuke, airMopAlways);
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  for (pos=0; pos<size; pos++) {
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    if (nrrdSlice(nout, nin, axis, pos)) {
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      airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways);
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      fprintf(stderr, "%s: error slicing nrrd:%s\n", me, err);
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      airMopError(mop);
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      return 1;
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    }
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    if (0 == pos && !airStrlen(ftmpl)) {
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      /* See if these slices would be better saved as PNG or PNM images.
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         Altering the file name will tell nrrdSave() to use a different
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         file format.  We wait till now to check this so that we can
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         work from the actual slice */
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      if (nrrdFormatPNG->fitsInto(nout, nrrdEncodingRaw, AIR_FALSE)) {
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        strcpy(fffname + strlen(fffname) - 4, "png");
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      } else {
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        fit = nrrdFormatPNM->fitsInto(nout, nrrdEncodingRaw, AIR_FALSE);
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        if (2 == fit) {
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          strcpy(fffname + strlen(fffname) - 4, "pgm");
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        } else if (3 == fit) {
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          strcpy(fffname + strlen(fffname) - 4, "ppm");
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        }
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      }
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    }
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    sprintf(fnout, fffname, base, pos+start);
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    if (nrrdStateVerboseIO > 0) {
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      fprintf(stderr, "%s: %s ...\n", me, fnout);
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    }
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    if (nrrdSave(fnout, nout, NULL)) {
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      airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways);
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      fprintf(stderr, "%s: error writing nrrd to \"%s\":%s\n",
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              me, fnout, err);
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      airMopError(mop);
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      return 1;
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    }
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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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UNRRDU_CMD(dice, INFO);