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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 "Select subset of slices along an axis" |
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static const char *_unrrdu_sselectInfoL = |
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(INFO ". The choice to keep or nix a slice is determined by whether the " |
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"values in a given 1-D line of values is above or below a given " |
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"threshold.\n " |
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"* Uses nrrdSliceSelect"); |
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int |
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unrrdu_sselectMain(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 *err; |
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Nrrd *nin, *noutAbove, *noutBelow, *nline; |
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unsigned int axis; |
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double thresh; |
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int pret; |
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airArray *mop; |
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char *outS[2]; |
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OPT_ADD_NIN(nin, "input nrrd"); |
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OPT_ADD_AXIS(axis, "axis to slice along"); |
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hestOptAdd(&opt, "s,selector", "nline", airTypeOther, 1, 1, &nline, NULL, |
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"the 1-D nrrd of values to compare with threshold", |
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NULL, NULL, nrrdHestNrrd); |
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hestOptAdd(&opt, "th", "thresh", airTypeDouble, 1, 1, &thresh, |
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NULL, "threshold on selector line"); |
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hestOptAdd(&opt, "o,output", "above below", airTypeString, 2, 2, |
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outS, "- x", |
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"outputs for slices corresponding to values " |
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"above (first) and below (second) given threshold. " |
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"Use \"x\" to say that no output is desired."); |
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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_sselectInfoL); |
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PARSE(); |
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airMopAdd(mop, opt, (airMopper)hestParseFree, airMopAlways); |
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if (!strcmp(outS[0], "x") && !strcmp(outS[1], "x")) { |
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fprintf(stderr, "%s: need to save either above or below slices " |
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"(can't use \"x\" for both)\n", me); |
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airMopError(mop); |
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return 1; |
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} |
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if (strcmp(outS[0], "x")) { |
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noutAbove = nrrdNew(); |
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airMopAdd(mop, noutAbove, (airMopper)nrrdNuke, airMopAlways); |
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} else { |
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noutAbove = NULL; |
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} |
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if (strcmp(outS[1], "x")) { |
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noutBelow = nrrdNew(); |
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airMopAdd(mop, noutBelow, (airMopper)nrrdNuke, airMopAlways); |
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} else { |
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noutBelow = NULL; |
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} |
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if (nrrdSliceSelect(noutAbove, noutBelow, nin, axis, |
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nline, thresh)) { |
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airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways); |
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fprintf(stderr, "%s: error selecting slices:\n%s", me, err); |
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airMopError(mop); |
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return 1; |
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} |
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if (noutAbove) { |
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SAVE(outS[0], noutAbove, NULL); |
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} |
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if (noutBelow) { |
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SAVE(outS[1], noutBelow, NULL); |
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} |
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airMopOkay(mop); |
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return 0; |
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} |
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UNRRDU_CMD(sselect, INFO); |