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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 "Map nrrd through a bivariate lookup table" |
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static const char *_unrrdu_lut2InfoL = |
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(INFO |
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" (itself represented as a nrrd). The lookup table " |
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"can be 2D, in which case the output " |
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"has the same dimension as the input, or 3D, in which case " |
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"the output has one more dimension than the input, and each " |
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"pair of values is mapped to a scanline (along axis 0) from the " |
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"lookup table. In any case, axis 0 of the input must have length two.\n " |
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"* Uses nrrdApply2DLut"); |
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int |
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unrrdu_lut2Main(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, *nlut, *nout, *ntmp[2]; |
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airArray *mop; |
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int typeOut, rescale[2], pret, blind8BitRange; |
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double min[2], max[2]; |
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NrrdRange *range[2]={NULL,NULL}; |
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unsigned int mapAxis, rai; |
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hestOptAdd(&opt, "m,map", "lut", airTypeOther, 1, 1, &nlut, NULL, |
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"lookup table to map input nrrd through", |
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NULL, NULL, nrrdHestNrrd); |
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hestOptAdd(&opt, "r,rescale", "bool bool", airTypeBool, 2, 2, rescale, |
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"false false", |
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"rescale one or both of the input values from the " |
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"input range to the lut domain. The lut domain is either " |
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"explicitly defined by the axis min,max along axis 0 or 1, " |
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"or, it is implicitly defined as zero to the length of that axis " |
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"minus one."); |
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hestOptAdd(&opt, "min,minimum", "min0 min1", airTypeDouble, 2, 2, min, |
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"nan nan", |
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"Low ends of input range. Defaults to lowest values " |
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"found in input nrrd. Explicitly setting this is useful " |
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"only with rescaling (\"-r\")"); |
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hestOptAdd(&opt, "max,maximum", "max0 max1", airTypeDouble, 2, 2, max, |
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"nan nan", |
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"High end of input range. Defaults to highest values " |
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"found in input nrrd. Explicitly setting this is useful " |
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"only with rescaling (\"-r\")"); |
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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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"Explicitly setting this is useful only with rescaling (\"-r\")"); |
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hestOptAdd(&opt, "t,type", "type", airTypeOther, 1, 1, &typeOut, "default", |
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"specify the type (\"int\", \"float\", etc.) of the " |
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"output nrrd. " |
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"By default (not using this option), the output type " |
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"is the lut's type.", |
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NULL, NULL, &unrrduHestMaybeTypeCB); |
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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_lut2InfoL); |
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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 (!( nin->dim > 1 && 2 == nin->axis[0].size )) { |
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char stmp[AIR_STRLEN_SMALL]; |
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fprintf(stderr, "%s: input nrrd dim must be > 1, and axis[0].size " |
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"must be 2 (not %s)\n", me, |
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airSprintSize_t(stmp, nin->axis[0].size)); |
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airMopError(mop); |
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return 1; |
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} |
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mapAxis = nlut->dim - 2; |
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if (!(0 == mapAxis || 1 == mapAxis)) { |
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fprintf(stderr, "%s: dimension of lut should be 2 or 3, not %d", |
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me, nlut->dim); |
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airMopError(mop); |
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return 1; |
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} |
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/* see comment in rmap.c */ |
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for (rai=0; rai<=1; rai++) { |
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if (!( AIR_EXISTS(nlut->axis[mapAxis + rai].min) && |
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AIR_EXISTS(nlut->axis[mapAxis + rai].max) )) { |
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rescale[rai] = AIR_TRUE; |
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} |
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if (rescale[rai]) { |
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ntmp[rai] = nrrdNew(); |
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airMopAdd(mop, ntmp[rai], AIR_CAST(airMopper, nrrdNuke), airMopAlways); |
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if (nrrdSlice(ntmp[rai], nin, 0, rai)) { |
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airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways); |
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fprintf(stderr, "%s: trouble slicing input value %u:\n%s", |
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me, rai, err); |
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airMopError(mop); |
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return 1; |
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} |
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range[rai] = nrrdRangeNew(min[rai], max[rai]); |
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airMopAdd(mop, range[rai], (airMopper)nrrdRangeNix, airMopAlways); |
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nrrdRangeSafeSet(range[rai], ntmp[rai], blind8BitRange); |
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} |
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} |
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if (nrrdTypeDefault == typeOut) { |
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typeOut = nlut->type; |
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} |
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if (nrrdApply2DLut(nout, nin, 0, range[0], range[1], nlut, typeOut, |
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rescale[0], rescale[1])) { |
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airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways); |
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fprintf(stderr, "%s: trouble applying 2-D LUT:\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(lut2, INFO); |