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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 "Calculate structure tensors from a scalar field" |
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static const char *_tend_stenInfoL = |
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(INFO |
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". Not a diffusion tensor, but it is symmetric and positive-definate."); |
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int |
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tend_stenMain(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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int iScale, dScale, dsmp; |
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Nrrd *nin, *nout; |
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char *outS; |
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hestOptAdd(&hopt, "ds", "diff. scale", airTypeInt, 1, 1, &dScale, "1", |
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"differentiation scale, in pixels: the radius of the " |
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"kernel used for differentation to compute gradient vectors"); |
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hestOptAdd(&hopt, "is", "int. scale", airTypeInt, 1, 1, &iScale, "2", |
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"integration scale, in pixels: the radius of the " |
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"kernel used for blurring outer products of gradients " |
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"in order compute structure tensors"); |
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hestOptAdd(&hopt, "df", "downsample factor", airTypeInt, 1, 1, &dsmp, "1", |
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"the factor by which to downsample when creating volume of " |
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"structure tensors"); |
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hestOptAdd(&hopt, "i", "nin", airTypeOther, 1, 1, &nin, "-", |
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"input scalar volume", |
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NULL, NULL, nrrdHestNrrd); |
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hestOptAdd(&hopt, "o", "nout", airTypeString, 1, 1, &outS, "-", |
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"output filename"); |
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mop = airMopNew(); |
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airMopAdd(mop, hopt, (airMopper)hestOptFree, airMopAlways); |
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✓✗ |
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USAGE(_tend_stenInfoL); |
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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 (gageStructureTensor(nout, nin, dScale, iScale, dsmp)) { |
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airMopAdd(mop, err=biffGetDone(GAGE), airFree, airMopAlways); |
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fprintf(stderr, "%s: trouble calculating structure tensors:\n%s\n", |
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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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} |
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TEND_CMD(sten, INFO); |
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