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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 "Collapse scanlines to scalars along some axis" |
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static const char *_unrrdu_projectInfoL = |
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(INFO |
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". The scanline is reduced to a single scalar by " |
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"\"measuring\" all the values in the scanline " |
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"with some measure. The output nrrd has dimension " |
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"one less than input (except when the input is itself 1-D); " |
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"the output type depends on " |
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"the measure in a non-trivial way, or it can be set explicitly " |
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"with the \"-t\" option. To save the overhead of multiple input data " |
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"reads if projections along different axes are needed, you can give " |
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"multiple axes to \"-a\" (and a matching number of output filenames " |
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"to \"-o\"), as well as multiple measures to \"-m\" (and possibly a " |
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"specific type to \"-t\" to permit their joining on fastest axis).\n " |
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"* Uses nrrdProject, and nrrdJoin if multiple measures"); |
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int |
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unrrdu_projectMain(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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Nrrd **nslice; |
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unsigned int *axis, axisLen, outLen, measrLen, outIdx, measrIdx; |
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int *measr, pret, type; |
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airArray *mop; |
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hestOptAdd(&opt, "a,axis", "axis", airTypeUInt, 1, -1, &axis, NULL, |
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"axis or axes to project along", &axisLen); |
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hestOptAdd(&opt, "m,measure", "measr", airTypeEnum, 1, -1, &measr, NULL, |
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"How to \"measure\" a scanline, by summarizing all its values " |
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"with a single scalar. Multiple measures will be joined along " |
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"fastest axis if output, but you may need to set output type " |
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"explicitly via \"-t\" so that the join works. " |
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NRRD_MEASURE_DESC, &measrLen, nrrdMeasure); |
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hestOptAdd(&opt, "t,type", "type", airTypeOther, 1, 1, &type, "default", |
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"type to use for output. By default (not using this option), " |
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"the output type is determined auto-magically", |
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NULL, NULL, &unrrduHestMaybeTypeCB); |
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OPT_ADD_NIN(nin, "input nrrd"); |
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hestOptAdd(&opt, "o,output", "nout", airTypeString, 1, -1, &out, "-", |
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"one or more output nrrd filenames. Number of names here " |
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"has to match number of axes specified.", &outLen); |
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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_projectInfoL); |
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PARSE(); |
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airMopAdd(mop, opt, (airMopper)hestParseFree, airMopAlways); |
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if (axisLen != outLen) { |
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fprintf(stderr, "%s: got %u \"-a\" axes but %u \"-o\" outputs\n", me, |
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axisLen, outLen); |
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airMopError(mop); |
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return 1; |
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} |
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if (measrLen > 1) { |
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nslice = AIR_CALLOC(measrLen, Nrrd *); |
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airMopAdd(mop, nslice, airFree, airMopAlways); |
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for (measrIdx=0; measrIdx<measrLen; measrIdx++) { |
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nslice[measrIdx] = nrrdNew(); |
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airMopAdd(mop, nslice[measrIdx], (airMopper)nrrdNuke, airMopAlways); |
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} |
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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 (outIdx=0; outIdx<outLen; outIdx++) { |
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if (measrLen > 1) { |
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/* first project into slices */ |
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for (measrIdx=0; measrIdx<measrLen; measrIdx++) { |
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if (nrrdProject(nslice[measrIdx], nin, axis[outIdx], |
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measr[measrIdx], type)) { |
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airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways); |
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fprintf(stderr, "%s: error projecting nrrd %u/%u:\n%s", |
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me, outIdx, measrIdx, 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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/* then join slices into output */ |
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if (nrrdJoin(nout, (const Nrrd *const*)nslice, measrLen, 0, AIR_TRUE)) { |
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airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways); |
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fprintf(stderr, "%s: error joining nrrd %u; will have to use \"-t\" " |
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"option to make sure all projections have same type:\n%s", |
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me, outIdx, err); |
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airMopError(mop); |
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return 1; |
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} |
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} else { |
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if (nrrdProject(nout, nin, axis[outIdx], measr[0], type)) { |
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airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways); |
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fprintf(stderr, "%s: error projecting nrrd %u:\n%s", me, outIdx, 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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SAVE(out[outIdx], nout, 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(project, INFO); |