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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 "seek.h" |
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#include "privateSeek.h" |
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const int |
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seekPresent = 42; |
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seekContext * |
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seekContextNew(void) { |
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seekContext *sctx; |
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unsigned int fi; |
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sctx = (seekContext *)calloc(1, sizeof(seekContext)); |
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if (sctx) { |
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sctx->verbose = 0; |
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sctx->ninscl = NULL; |
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sctx->gctx = NULL; |
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sctx->pvl = NULL; |
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sctx->type = seekTypeUnknown; |
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sctx->sclvItem = -1; |
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sctx->normItem = -1; |
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sctx->gradItem = -1; |
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sctx->evalItem = -1; |
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sctx->evecItem = -1; |
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sctx->stngItem = -1; |
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sctx->hessItem = -1; |
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sctx->lowerInside = AIR_FALSE; |
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sctx->normalsFind = AIR_FALSE; |
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sctx->strengthUse = AIR_FALSE; |
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sctx->strengthSign = 1; |
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sctx->isovalue = AIR_NAN; |
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sctx->evalDiffThresh = 1.0; /* roughly reasonable for uchar data; |
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* really should depend on dynamic range */ |
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sctx->strength = 0.0; |
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ELL_3V_SET(sctx->samples, 0, 0, 0); |
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/* these two magic values assume a certain level of surface smoothness, |
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which certainly does not apply to all cases */ |
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sctx->facesPerVoxel = 2.15; |
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sctx->vertsPerVoxel = 1.15; |
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/* this should be larger so that we don't waste time from airArrayLenIncr |
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constantly re-allocating, when the isosurface is rough; better |
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solution is to use multiplicatively scaled dynamic array. But caller |
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can also change this value on a per-context basis. */ |
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sctx->pldArrIncr = 2048; |
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sctx->nin = NULL; |
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sctx->flag = AIR_CAST(int *, calloc(flagLast, sizeof(int))); |
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for (fi=flagUnknown+1; fi<flagLast; fi++) { |
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sctx->flag[fi] = AIR_FALSE; |
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} |
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sctx->baseDim = 0; |
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sctx->_shape = gageShapeNew(); |
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sctx->shape = NULL; |
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sctx->nsclDerived = nrrdNew(); |
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sctx->sclvAns = NULL; |
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sctx->normAns = NULL; |
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sctx->gradAns = NULL; |
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sctx->evalAns = NULL; |
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sctx->evecAns = NULL; |
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sctx->stngAns = NULL; |
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sctx->hessAns = NULL; |
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sctx->reverse = AIR_FALSE; |
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ELL_3M_IDENTITY_SET(sctx->txfNormal); |
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sctx->spanSize = 300; |
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sctx->nspanHist = nrrdNew(); |
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sctx->range = nrrdRangeNew(AIR_NAN, AIR_NAN); |
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sctx->sx = 0; |
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sctx->sy = 0; |
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sctx->sz = 0; |
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ELL_4M_IDENTITY_SET(sctx->txfIdx); |
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sctx->nvidx = nrrdNew(); |
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sctx->nsclv = nrrdNew(); |
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sctx->ngrad = nrrdNew(); |
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sctx->neval = nrrdNew(); |
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sctx->nevec = nrrdNew(); |
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sctx->nflip = nrrdNew(); |
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sctx->nstng = nrrdNew(); |
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sctx->nhess = nrrdNew(); |
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sctx->nt = nrrdNew(); |
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sctx->nfacevidx = nrrdNew(); |
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sctx->nedgealpha = nrrdNew(); |
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sctx->nedgenorm = nrrdNew(); |
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sctx->nedgeicoord = nrrdNew(); |
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sctx->nfacecoord = nrrdNew(); |
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sctx->nfacenorm = nrrdNew(); |
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sctx->nfaceicoord = nrrdNew(); |
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sctx->npairs = nrrdNew(); |
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sctx->ngradcontext = nrrdNew(); |
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sctx->nhesscontext = nrrdNew(); |
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sctx->ntcontext = nrrdNew(); |
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sctx->nstngcontext = nrrdNew(); |
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sctx->ntreated = nrrdNew(); |
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sctx->vidx = NULL; |
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sctx->sclv = NULL; |
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sctx->grad = NULL; |
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sctx->eval = NULL; |
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sctx->evec = NULL; |
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sctx->flip = NULL; |
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sctx->stng = NULL; |
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sctx->voxNum = 0; |
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sctx->vertNum = 0; |
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sctx->faceNum = 0; |
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sctx->strengthSeenMax = AIR_NAN; |
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sctx->time = AIR_NAN; |
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} |
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return sctx; |
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} |
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seekContext * |
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seekContextNix(seekContext *sctx) { |
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if (sctx) { |
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airFree(sctx->flag); |
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sctx->flag = NULL; |
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sctx->_shape = gageShapeNix(sctx->_shape); |
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sctx->nsclDerived = nrrdNuke(sctx->nsclDerived); |
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sctx->nspanHist = nrrdNuke(sctx->nspanHist); |
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sctx->range = nrrdRangeNix(sctx->range); |
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sctx->nvidx = nrrdNuke(sctx->nvidx); |
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sctx->nsclv = nrrdNuke(sctx->nsclv); |
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sctx->ngrad = nrrdNuke(sctx->ngrad); |
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sctx->neval = nrrdNuke(sctx->neval); |
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sctx->nevec = nrrdNuke(sctx->nevec); |
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sctx->nflip = nrrdNuke(sctx->nflip); |
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sctx->nstng = nrrdNuke(sctx->nstng); |
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sctx->nhess = nrrdNuke(sctx->nhess); |
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sctx->nt = nrrdNuke(sctx->nt); |
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sctx->nfacevidx = nrrdNuke(sctx->nfacevidx); |
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sctx->nedgealpha = nrrdNuke(sctx->nedgealpha); |
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sctx->nedgenorm = nrrdNuke(sctx->nedgenorm); |
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sctx->nedgeicoord = nrrdNuke(sctx->nedgeicoord); |
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sctx->nfacecoord = nrrdNuke(sctx->nfacecoord); |
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sctx->nfacenorm = nrrdNuke(sctx->nfacenorm); |
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sctx->nfaceicoord = nrrdNuke(sctx->nfaceicoord); |
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sctx->npairs = nrrdNuke(sctx->npairs); |
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sctx->ngradcontext = nrrdNuke(sctx->ngradcontext); |
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sctx->nhesscontext = nrrdNuke(sctx->nhesscontext); |
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sctx->ntcontext = nrrdNuke(sctx->ntcontext); |
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sctx->nstngcontext = nrrdNuke(sctx->nstngcontext); |
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sctx->ntreated = nrrdNuke(sctx->ntreated); |
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airFree(sctx); |
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} |
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return NULL; |
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} |
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