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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 "Recover floating point values from quantized data" |
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static const char *_unrrdu_unquantizeInfoL = |
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(INFO ". Uses the oldMin and oldMax fields in the Nrrd of quantized values " |
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"to regenerate approximate versions of the original unquantized values. " |
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"Can also override these with \"-min\" and \"-max\".\n " |
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"* Uses nrrdUnquantize"); |
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int |
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unrrdu_unquantizeMain(int argc, const char **argv, const char *me, |
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hestParm *hparm) { |
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hestOpt *opt = NULL; |
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char *out, *err; |
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Nrrd *nin, *nout; |
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int dbl, pret; |
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double oldMin, oldMax; |
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airArray *mop; |
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/* mandatory arg so that "unu unquantize" produces usage info */ |
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hestOptAdd(&opt, "i,input", "nin", airTypeOther, 1, 1, &nin, NULL, |
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"input nrrd. That this argument is required instead of " |
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"optional, as with most unu commands, is a quirk caused by the " |
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"need to have \"unu unquantize\" generate usage info, combined " |
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"with the fact that all the other arguments have sensible " |
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"defaults", |
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NULL, NULL, nrrdHestNrrd); |
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hestOptAdd(&opt, "min,minimum", "value", airTypeDouble, 1, 1, &oldMin, "nan", |
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"Lowest value prior to quantization. Defaults to " |
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"nin->oldMin if it exists, otherwise 0.0"); |
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hestOptAdd(&opt, "max,maximum", "value", airTypeDouble, 1, 1, &oldMax, "nan", |
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"Highest value prior to quantization. Defaults to " |
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"nin->oldMax if it exists, otherwise 1.0"); |
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hestOptAdd(&opt, "double", NULL, airTypeBool, 0, 0, &dbl, NULL, |
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"Use double for output type, instead of float"); |
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OPT_ADD_NOUT(out, "output nrrd"); |
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mop = airMopNew(); |
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airMopAdd(mop, opt, (airMopper)hestOptFree, airMopAlways); |
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✓✗ |
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USAGE(_unrrdu_unquantizeInfoL); |
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PARSE(); |
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airMopAdd(mop, opt, (airMopper)hestParseFree, airMopAlways); |
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nout = nrrdNew(); |
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airMopAdd(mop, nout, (airMopper)nrrdNuke, airMopAlways); |
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if (AIR_EXISTS(oldMin)) |
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nin->oldMin = oldMin; |
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if (AIR_EXISTS(oldMax)) |
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nin->oldMax = oldMax; |
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if (nrrdUnquantize(nout, nin, dbl ? nrrdTypeDouble : nrrdTypeFloat)) { |
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airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways); |
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fprintf(stderr, "%s: error unquantizing nrrd:\n%s", me, err); |
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airMopError(mop); |
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return 1; |
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} |
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SAVE(out, nout, NULL); |
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airMopOkay(mop); |
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return 0; |
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} |
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UNRRDU_CMD(unquantize, INFO); |