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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 "Replace each scanline along an axis with its histogram" |
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static const char *_unrrdu_histaxInfoL = |
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(INFO |
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".\n " |
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"* Uses nrrdHistoAxis"); |
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int |
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unrrdu_histaxMain(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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char *minStr, *maxStr; |
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int type, pret, blind8BitRange; |
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unsigned int axis, bins; |
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airArray *mop; |
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NrrdRange *range; |
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OPT_ADD_AXIS(axis, "axis to histogram along"); |
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hestOptAdd(&opt, "b,bin", "bins", airTypeUInt, 1, 1, &bins, NULL, |
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"# of bins in histogram"); |
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OPT_ADD_TYPE(type, "output type", "uchar"); |
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/* HEY copy and paste from unrrdu/quantize.c */ |
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hestOptAdd(&opt, "min,minimum", "value", airTypeString, 1, 1, |
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&minStr, "nan", |
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"The value to map to zero, given explicitly as a regular number, " |
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"*or*, if the number is given with a \"" NRRD_MINMAX_PERC_SUFF |
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"\" suffix, this " |
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"minimum is specified in terms of the percentage of samples in " |
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"input that are lower. " |
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"\"0" NRRD_MINMAX_PERC_SUFF "\" means the " |
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"lowest input value is used, " |
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"\"1" NRRD_MINMAX_PERC_SUFF "\" means that the " |
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"1% of the lowest values are all mapped to zero. " |
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"By default (not using this option), the lowest input value is " |
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"used."); |
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hestOptAdd(&opt, "max,maximum", "value", airTypeString, 1, 1, |
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&maxStr, "nan", |
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"The value to map to the highest unsigned integral value, given " |
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"explicitly as a regular number, " |
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"*or*, if the number is given with " |
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"a \"" NRRD_MINMAX_PERC_SUFF "\" suffix, " |
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"this maximum is specified " |
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"in terms of the percentage of samples in input that are higher. " |
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"\"0" NRRD_MINMAX_PERC_SUFF "\" means the highest input value is " |
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"used, which is also the default " |
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"behavior (same as not using this option)."); |
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hestOptAdd(&opt, "blind8", "bool", airTypeBool, 1, 1, &blind8BitRange, |
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nrrdStateBlind8BitRange ? "true" : "false", |
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"Whether to know the range of 8-bit data blindly " |
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"(uchar is always [0,255], signed char is [-128,127])."); |
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OPT_ADD_NIN(nin, "input nrrd"); |
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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_histaxInfoL); |
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PARSE(); |
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airMopAdd(mop, opt, (airMopper)hestParseFree, airMopAlways); |
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range = nrrdRangeNew(AIR_NAN, AIR_NAN); |
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airMopAdd(mop, range, (airMopper)nrrdRangeNix, airMopAlways); |
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nout = nrrdNew(); |
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airMopAdd(mop, nout, (airMopper)nrrdNuke, airMopAlways); |
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if (nrrdRangePercentileFromStringSet(range, nin, minStr, maxStr, |
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10*bins /* HEY magic */, |
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blind8BitRange) |
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|| nrrdHistoAxis(nout, nin, range, axis, bins, type)) { |
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airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways); |
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fprintf(stderr, "%s: error doing axis histogramming:\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(histax, INFO); |